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c7f15dd3f0e9f1d12d1ae21f0bbd61302ef3abcf
Analyze and fix the following issue in the Linux kernel code: x86/smpboot: Remove unnecessary barrier()
Problem Details: Peter stumbled over the barrier() after the invocation of smp_callin() in start_secondary(): "...this barrier() and it's comment seem weird vs smp_callin(). That function ends with an atomic bitop (it has to, at the very least it must not be weaker than store-release) but also has an explicit ...
```diff diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 466e83a54572..f5f43284b4a0 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -238,8 +238,6 @@ static void notrace start_secondary(void *unused) x86_cpuinit.early_percpu_clock_init(); smp_callin(); - /* otherwi...
d904942aeaa6a6fe493f2825048613ee46c0e991
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: Simplify the calculation of variables
Problem Details: ./sound/soc/sof/pcm.c:372:27-29: WARNING !A || A && B is equivalent to !A || B. Reported-by: Abaci Robot <abaci@linux.alibaba.com Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4938 Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com Reviewed-by: Peter Ujfalusi <peter.ujfalusi@linux.in...
```diff diff --git a/sound/soc/sof/pcm.c b/sound/soc/sof/pcm.c index 567db32173a8..d14e7fd2c2ee 100644 --- a/sound/soc/sof/pcm.c +++ b/sound/soc/sof/pcm.c @@ -369,7 +369,7 @@ static int sof_pcm_trigger(struct snd_soc_component *component, case SNDRV_PCM_TRIGGER_PAUSE_PUSH: case SNDRV_PCM_TRIGGER_STOP: /* invoke ...
cedd0bdc166001fef26da475143ba4ebaf230261
Analyze and fix the following issue in the Linux kernel code: fs: fix incorrect fmode_t casts
Problem Details: Use __FMODE_NONOTIFY instead of FMODE_NONOTIFY to fixes the following sparce warnings: fs/overlayfs/file.c:48:37: sparse: warning: restricted fmode_t degrades to integer fs/overlayfs/file.c:128:13: sparse: warning: restricted fmode_t degrades to integer fs/open.c:1159:21: sparse: warning: restricted fm...
```diff diff --git a/fs/open.c b/fs/open.c index d8b87caaa1c2..fa5d53282dfe 100644 --- a/fs/open.c +++ b/fs/open.c @@ -1148,7 +1148,7 @@ inline struct open_how build_open_how(int flags, umode_t mode) inline int build_open_flags(const struct open_how *how, struct open_flags *op) { u64 flags = how->flags; - u64 strip...
45f3c2f83a089a1f21ea089e07e3118b87116cab
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: Intel: fix DAI number mismatch
Problem Details: The number of DAIs was based on a Kconfig option and the declaration on another. Fix before changing the dependencies. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com Reviewed-by: Rander Wang <rander.wang@intel.com R...
```diff diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h index c4befacde23e..65832a38bffa 100644 --- a/sound/soc/sof/intel/hda.h +++ b/sound/soc/sof/intel/hda.h @@ -414,7 +414,7 @@ (HDA_DSP_BDL_SIZE / sizeof(struct sof_intel_dsp_bdl)) /* Number of DAIs */ -#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) +...
f0c8d83ab1a3532ebeb1a89acb649be01657aed8
Analyze and fix the following issue in the Linux kernel code: ASoC: Intel: sof_sdw: start set codec init function with an adr index
Problem Details: Currently, set_codec_init_func always start with link->adr_d[0] because we assumed all adr_d on the same link are the same devices. The assumption is no longer valid when different devices on the same sdw link are supported. Fixes: c8db7b50128b ("ASoC: Intel: sof_sdw: support different devices on the ...
```diff diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c index 0841e28d1256..e97cc769a11c 100644 --- a/sound/soc/intel/boards/sof_sdw.c +++ b/sound/soc/intel/boards/sof_sdw.c @@ -910,17 +910,20 @@ static int create_codec_dai_name(struct device *dev, static int set_codec_init_func(struct...
0db94947c9d3da16aa31d152b7d26fab78b02cb9
Analyze and fix the following issue in the Linux kernel code: ASoC: Intel: sof_sdw: remove SOF_SDW_TGL_HDMI for MeteorLake devices
Problem Details: Topologies support three HDMI links on MeteorLake devices only. Fixes: 18489174e4fb ("ASoC: intel: sof_sdw: add RT711 SDCA card for MTL platform") Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com Reviewed-by: Ranjani Sr...
```diff diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c index c845a5cf7f4d..5ab1df4cc927 100644 --- a/sound/soc/intel/boards/sof_sdw.c +++ b/sound/soc/intel/boards/sof_sdw.c @@ -413,7 +413,7 @@ static const struct dmi_system_id sof_sdw_quirk_table[] = { .matches = { DMI_MATCH(DMI...
476d942e50d4f22d8621a18612dd6cfbf0a5d1d9
Analyze and fix the following issue in the Linux kernel code: ASoC: ak4118: Update to use new component control notify helper
Problem Details: Update the driver to use the new ASoC core control notify helper. This also fixes a bug where the control would not be found if the CODEC was given a name prefix. Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com Link: https://lore.kernel.org/r/20230512122838.243002-4-ckeepax@opensource.cir...
```diff diff --git a/sound/soc/codecs/ak4118.c b/sound/soc/codecs/ak4118.c index ebcdc412e39c..e34e5533765c 100644 --- a/sound/soc/codecs/ak4118.c +++ b/sound/soc/codecs/ak4118.c @@ -264,8 +264,6 @@ static irqreturn_t ak4118_irq_handler(int irq, void *data) struct ak4118_priv *ak4118 = data; struct snd_soc_componen...
ace9ed54bd874f2c63723b13b1747f6463e2587e
Analyze and fix the following issue in the Linux kernel code: ASoC: soc-component: Add notify control helper function
Problem Details: Add a function to allow ASoC drivers to easily notify an ALSA control change. This function will automatically add any component naming prefix into the control name. Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com Link: https://lore.kernel.org/r/20230512122838.243002-3-ckeepax@opensource....
```diff diff --git a/include/sound/soc-component.h b/include/sound/soc-component.h index 0814ed143864..0b47603c9db2 100644 --- a/include/sound/soc-component.h +++ b/include/sound/soc-component.h @@ -454,6 +454,10 @@ int snd_soc_component_force_enable_pin_unlocked( struct snd_soc_component *component, const char *pi...
1c0d023c8c2f7c56750a3d58207b263a39d39554
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: topology: Fix tuples array allocation
Problem Details: The memory allocated for the tuples array assumes that there's 1 instance of all tokens already. So for those tokens that have multiple instances in topology, we need to exclude the initial instance that has already been accounted for. Fixes: 4fdef47a44d6 ("ASoC: SOF: ipc4-topology: Add new tokens for...
```diff diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c index b80566570512..f160dc454b44 100644 --- a/sound/soc/sof/topology.c +++ b/sound/soc/sof/topology.c @@ -1265,7 +1265,7 @@ static int sof_widget_parse_tokens(struct snd_soc_component *scomp, struct snd_s if (num_sets > 1) { struct snd_sof_...
1e4fe75e9746be8e40c57132bb3fba1ce3dd24af
Analyze and fix the following issue in the Linux kernel code: ASoC: dt-bindings: mediatek,mt8188-afe: correct clock name
Problem Details: The original clock names are different from the list in driver code. Correct the mismatched binding names in the patch. Because no mt8188 upstream dts exists, it doesn't affect the existing dts file. Fixes: 692d25b67e10 ("ASoC: dt-bindings: mediatek,mt8188-afe: add audio afe document") Signed-off-by:...
```diff diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml index 82ccb32f08f2..9e877f0d19fb 100644 --- a/Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml +++ b/Documentation/devicetree/bindings/sound/mediatek,m...
1168f095417643f663caa341211e117db552989f
Analyze and fix the following issue in the Linux kernel code: jffs2: reduce stack usage in jffs2_build_xattr_subsystem()
Problem Details: Use kcalloc() for allocation/flush of 128 pointers table to reduce stack usage. Function now returns -ENOMEM or 0 on success. stackusage Before: ./fs/jffs2/xattr.c:775 jffs2_build_xattr_subsystem 1208 dynamic,bounded After: ./fs/jffs2/xattr.c:775 jffs2_build_xattr_subsystem 192 dynamic,bou...
```diff diff --git a/fs/jffs2/build.c b/fs/jffs2/build.c index 837cd55fd4c5..6ae9d6fefb86 100644 --- a/fs/jffs2/build.c +++ b/fs/jffs2/build.c @@ -211,7 +211,10 @@ static int jffs2_build_filesystem(struct jffs2_sb_info *c) ic->scan_dents = NULL; cond_resched(); } - jffs2_build_xattr_subsystem(c); + ret = jffs2_...
55650b2fddb958e42036c5b07ed82983ce532865
Analyze and fix the following issue in the Linux kernel code: fs/open.c: Fix W=1 kernel doc warnings
Problem Details: fs/open.c: In functions 'setattr_vfsuid' and 'setattr_vfsgid': warning: Function parameter or member 'attr' not described - Fix warning by removing kernel-doc for these as they are static inline functions and not required to be exposed via kernel-doc. fs/open.c: warning: Excess function paramete...
```diff diff --git a/fs/open.c b/fs/open.c index 4478adcc4f3a..d8b87caaa1c2 100644 --- a/fs/open.c +++ b/fs/open.c @@ -700,10 +700,7 @@ SYSCALL_DEFINE2(chmod, const char __user *, filename, umode_t, mode) return do_fchmodat(AT_FDCWD, filename, mode); } -/** - * setattr_vfsuid - check and set ia_fsuid attribute - *...
d1e4632b304c594d6f0d4cb7581350e5a6fc33b7
Analyze and fix the following issue in the Linux kernel code: octeontx2-pf: mcs: Remove unneeded semicolon
Problem Details: ./drivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c:242:2-3: Unneeded semicolon ./drivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c:476:2-3: Unneeded semicolon Reported-by: Abaci Robot <abaci@linux.alibaba.com> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4947 Signed-off-by: Ya...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c index 8eaa50d0f668..b59532cf53ce 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c @@ -239,7 +23...
df0acdc59b094cdaef19b1c8d83c9721082bab7b
Analyze and fix the following issue in the Linux kernel code: net: phylink: fix ksettings_set() ethtool call
Problem Details: While testing a Fiberstore SFP-10G-T module (which uses 10GBASE-R with rate adaption) in a Clearfog platform (which can't do that) it was found that the PHYs advertisement was not limited according to the hosts capabilities when using ethtool to change it. Fix this by ensuring that we mask the adverti...
```diff diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index a4111f1be375..e237949deee6 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -2225,6 +2225,10 @@ int phylink_ethtool_ksettings_set(struct phylink *pl, ASSERT_RTNL(); + /* Mask out unsupported advertisements */...
35a089b5d793d2bfd2cc7cfa6104545184de2ce7
Analyze and fix the following issue in the Linux kernel code: tipc: check the bearer min mtu properly when setting it by netlink
Problem Details: Checking the bearer min mtu with tipc_udp_mtu_bad() only works for IPv4 UDP bearer, and IPv6 UDP bearer has a different value for the min mtu. This patch checks with encap_hlen + TIPC_MIN_BEARER_MTU for min mtu, which works for both IPv4 and IPv6 UDP bearer. Note that tipc_udp_mtu_bad() is still used ...
```diff diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c index 0e9a29e1536b..53881406e200 100644 --- a/net/tipc/bearer.c +++ b/net/tipc/bearer.c @@ -1151,8 +1151,8 @@ int __tipc_nl_bearer_set(struct sk_buff *skb, struct genl_info *info) return -EINVAL; } #ifdef CONFIG_TIPC_MEDIA_UDP - if (tipc_udp_mtu_bad...
56077b56cd3fb78e1c8619e29581ba25a5c55e86
Analyze and fix the following issue in the Linux kernel code: tipc: do not update mtu if msg_max is too small in mtu negotiation
Problem Details: When doing link mtu negotiation, a malicious peer may send Activate msg with a very small mtu, e.g. 4 in Shuang's testing, without checking for the minimum mtu, l->mtu will be set to 4 in tipc_link_proto_rcv(), then n->links[bearer_id].mtu is set to 4294967228, which is a overflow of '4 - INT_H_SIZE - ...
```diff diff --git a/net/tipc/link.c b/net/tipc/link.c index b3ce24823f50..2eff1c7949cb 100644 --- a/net/tipc/link.c +++ b/net/tipc/link.c @@ -2200,7 +2200,7 @@ static int tipc_link_proto_rcv(struct tipc_link *l, struct sk_buff *skb, struct tipc_msg *hdr = buf_msg(skb); struct tipc_gap_ack_blks *ga = NULL; bool r...
b48a18644046c9bc0667493a147dfa01e8241eab
Analyze and fix the following issue in the Linux kernel code: net: mdio: i2c: fix rollball accessors
Problem Details: Commit 87e3bee0f247 ("net: mdio: i2c: Separate C22 and C45 transactions") separated the non-rollball bus accessors, but left the rollball accessors as is. As rollball accessors are clause 45, this results in the rollball protocol being completely non-functional. Fix this. Fixes: 87e3bee0f247 ("net: md...
```diff diff --git a/drivers/net/mdio/mdio-i2c.c b/drivers/net/mdio/mdio-i2c.c index 1e0c206d0f2e..da2001ea1f99 100644 --- a/drivers/net/mdio/mdio-i2c.c +++ b/drivers/net/mdio/mdio-i2c.c @@ -291,7 +291,8 @@ static int i2c_rollball_mii_cmd(struct mii_bus *bus, int bus_addr, u8 cmd, return i2c_transfer_rollball(i2c, ms...
5306623a9826aa7d63b32c6a3803c798a765474d
Analyze and fix the following issue in the Linux kernel code: virtio_net: Fix error unwinding of XDP initialization
Problem Details: When initializing XDP in virtnet_open(), some rq xdp initialization may hit an error causing net device open failed. However, previous rqs have already initialized XDP and enabled NAPI, which is not the expected behavior. Need to roll back the previous rq initialization to avoid leaks in error unwindin...
```diff diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index a12ae26db0e2..56ca1d270304 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1868,6 +1868,38 @@ static int virtnet_poll(struct napi_struct *napi, int budget) return received; } +static void virtnet_disable_queue_p...
6ead9c98cafcbc6992cf35f0ca393df2c03e3316
Analyze and fix the following issue in the Linux kernel code: net: fec: remove the xdp_return_frame when lack of tx BDs
Problem Details: In the implementation, the sent_frame count does not increment when transmit errors occur. Therefore, bq_xmit_all() will take care of returning the XDP frames. Fixes: 26312c685ae0 ("net: fec: correct the counting of XDP sent frames") Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com> Reviewed-by: Hora...
```diff diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 241df41d500f..577d94821b3e 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -3798,7 +3798,6 @@ static int fec_enet_txq_xmit_frame(struct fec_enet_priv...
5896f2d363d5cfb7510856c90d5e0ed934a1d340
Analyze and fix the following issue in the Linux kernel code: drm/i915/hdcp: Check if media_gt exists
Problem Details: Check if media_gt exists if we are using gsc cs --v2 -correct typo [Ankit] -assign gsc variable if gt exists [Ankit] --v3 -declare gsc and gt variables in if block [Ankit] --v4 -add fixes tag [Ankit] Fixes: 883631771038 ("drm/i915/mtl: Add HDCP GSC interface") Cc: Tomas Winkler <tomas.winkler@intel...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index 650232c4892b..b183efab04a1 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -204,8 +204,6 @@ bool intel_hdcp2_capable(struct intel_connector *connecto...
c642256b91770e201519d037a91f255a617a4602
Analyze and fix the following issue in the Linux kernel code: vfs: Replace all non-returning strlcpy with strscpy
Problem Details: strlcpy() reads the entire source buffer first. This read may exceed the destination size limit. This is both inefficient and can lead to linear read overflows if a source string is not NUL-terminated [1]. In an effort to remove strlcpy() completely [2], replace strlcpy() here with strscpy(). No return...
```diff diff --git a/fs/char_dev.c b/fs/char_dev.c index 13deb45f1ec6..950b6919fb87 100644 --- a/fs/char_dev.c +++ b/fs/char_dev.c @@ -150,7 +150,7 @@ __register_chrdev_region(unsigned int major, unsigned int baseminor, cd->major = major; cd->baseminor = baseminor; cd->minorct = minorct; - strlcpy(cd->name, name,...
c83b49383b595be50647f0c764a48c78b5f3c4f8
Analyze and fix the following issue in the Linux kernel code: net: nsh: Use correct mac_offset to unwind gso skb in nsh_gso_segment()
Problem Details: As the call trace shows, skb_panic was caused by wrong skb->mac_header in nsh_gso_segment(): invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 3 PID: 2737 Comm: syz Not tainted 6.3.0-next-20230505 #1 RIP: 0010:skb_panic+0xda/0xe0 call Trace: skb_push+0x91/0xa0 nsh_gso_segment+0x4f3/0x570 skb_mac...
```diff diff --git a/net/nsh/nsh.c b/net/nsh/nsh.c index e9ca007718b7..0f23e5e8e03e 100644 --- a/net/nsh/nsh.c +++ b/net/nsh/nsh.c @@ -77,13 +77,12 @@ static struct sk_buff *nsh_gso_segment(struct sk_buff *skb, netdev_features_t features) { struct sk_buff *segs = ERR_PTR(-EINVAL); + u16 mac_offset = skb-...
38f1755a3e59a3f88e33030f8e4ee0421de2f05a
Analyze and fix the following issue in the Linux kernel code: fs: use correct __poll_t type
Problem Details: Fix the following sparse warnings by using __poll_t instead of unsigned type. fs/eventpoll.c:541:9: sparse: warning: restricted __poll_t degrades to integer fs/eventfd.c:67:17: sparse: warning: restricted __poll_t degrades to integer Signed-off-by: Min-Hua Chen <minhuadotchen@gmail.com> Message-Id: <...
```diff diff --git a/fs/eventfd.c b/fs/eventfd.c index 95850a13ce8d..6c06a527747f 100644 --- a/fs/eventfd.c +++ b/fs/eventfd.c @@ -43,7 +43,7 @@ struct eventfd_ctx { int id; }; -__u64 eventfd_signal_mask(struct eventfd_ctx *ctx, __u64 n, unsigned mask) +__u64 eventfd_signal_mask(struct eventfd_ctx *ctx, __u64 n, _...
6986f05b557bf1efea5bac8dbdffb7ee89d0cf77
Analyze and fix the following issue in the Linux kernel code: drm/i915/hdcp: Check if media_gt exists
Problem Details: Check if media_gt exists if we are using gsc cs --v2 -correct typo [Ankit] -assign gsc variable if gt exists [Ankit] --v3 -declare gsc and gt variables in if block [Ankit] --v4 -add fixes tag [Ankit] Fixes: 883631771038 ("drm/i915/mtl: Add HDCP GSC interface") Cc: Tomas Winkler <tomas.winkler@intel...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index 650232c4892b..b183efab04a1 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -204,8 +204,6 @@ bool intel_hdcp2_capable(struct intel_connector *connecto...
436eeae0411acdfc54521ddea80ee76d4ae8a7ea
Analyze and fix the following issue in the Linux kernel code: tee: amdtee: Add return_origin to 'struct tee_cmd_load_ta'
Problem Details: After TEE has completed processing of TEE_CMD_ID_LOAD_TA, set proper value in 'return_origin' argument passed by open_session() call. To do so, add 'return_origin' field to the structure tee_cmd_load_ta. The Trusted OS shall update return_origin as part of TEE processing. This change to 'struct tee_cm...
```diff diff --git a/drivers/tee/amdtee/amdtee_if.h b/drivers/tee/amdtee/amdtee_if.h index ff48c3e47375..e2014e21530a 100644 --- a/drivers/tee/amdtee/amdtee_if.h +++ b/drivers/tee/amdtee/amdtee_if.h @@ -118,16 +118,18 @@ struct tee_cmd_unmap_shared_mem { /** * struct tee_cmd_load_ta - load Trusted Application (TA)...
8bc27fa5d7763d376a992a1638475987ed4807e7
Analyze and fix the following issue in the Linux kernel code: docs: uapi: media: ignore new DVB-S2X FEC values
Problem Details: Some new FEC values was added to support DVB-S2X. They're properly documented, but its addition adds some extra warnings to htmldocs build. So, add them to the ignore list. Fixes: 1825788e2a96 ("media: dvb: add missing DVB-S2X FEC parameter values") Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>...
```diff diff --git a/Documentation/userspace-api/media/frontend.h.rst.exceptions b/Documentation/userspace-api/media/frontend.h.rst.exceptions index 8b73fee11a79..dcaf5740de7e 100644 --- a/Documentation/userspace-api/media/frontend.h.rst.exceptions +++ b/Documentation/userspace-api/media/frontend.h.rst.exceptions @@ -1...
35a4b8ce4ac00e940b46b1034916ccb22ce9bdef
Analyze and fix the following issue in the Linux kernel code: powerpc/bpf: populate extable entries only during the last pass
Problem Details: Since commit 85e031154c7c ("powerpc/bpf: Perform complete extra passes to update addresses"), two additional passes are performed to avoid space and CPU time wastage on powerpc. But these extra passes led to WARN_ON_ONCE() hits in bpf_add_extable_entry() as extable entries are populated again, during t...
```diff diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c index e93aefcfb83f..37043dfc1add 100644 --- a/arch/powerpc/net/bpf_jit_comp.c +++ b/arch/powerpc/net/bpf_jit_comp.c @@ -101,6 +101,8 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp) bpf_hdr = jit_data->header; progl...
2ef0785b30bd6549ddbc124979f1b6596e065ae2
Analyze and fix the following issue in the Linux kernel code: drm/exynos: fix g2d_open/close helper function definitions
Problem Details: The empty stub functions are defined as global functions, which causes a warning because of missing prototypes: drivers/gpu/drm/exynos/exynos_drm_g2d.h:37:5: error: no previous prototype for 'g2d_open' drivers/gpu/drm/exynos/exynos_drm_g2d.h:42:5: error: no previous prototype for 'g2d_close' Mark the...
```diff diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.h b/drivers/gpu/drm/exynos/exynos_drm_g2d.h index 74ea3c26dead..1a5ae781b56c 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.h +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.h @@ -34,11 +34,11 @@ static inline int exynos_g2d_exec_ioctl(struct drm_device *dev, v...
50552fa6ec91531634f29f9f89e09195ba5bfbbc
Analyze and fix the following issue in the Linux kernel code: dt-bindings: vendor-prefixes: Add Emtop
Problem Details: Add vendor prefix for Emtop Embedded Solutions (https://www.emtop-tech.com/) Signed-off-by: Himanshu Bhavani <himanshu.bhavani@siliconsignals.io> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
```diff diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index 82d39ab0231b..5990366bff0c 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -388,6 +388,8 @@ patte...
b8b23fbe93b34e595a7b0f31b4ed22400c47ec07
Analyze and fix the following issue in the Linux kernel code: arm64: dts: colibri-imx8x: delete adc1 and dsp
Problem Details: i.MX8, i.MX8X, i.MX8XP and i.MX8XL SOC device trees are all based on imx8-ss-*.dtsi files. For i.MX8X and i.MX8XP these device trees should be updated with some peripherals removed or updated, similar to i.MX8XL (imx8dxl-ss-*.dtsi files). However, it looks like only i.MX8 and i.MX8XL are up to date, bu...
```diff diff --git a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi b/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi index b0d6f632622c..49d105eb4769 100644 --- a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi @@ -769,3 +769,10 @@ fsl,pins = <IMX8QXP_SCU_B...
34e5c0cd55af7258d819cb203da7d202bae3b97d
Analyze and fix the following issue in the Linux kernel code: arm64: dts: colibri-imx8x: fix iris pinctrl configuration
Problem Details: Remove GPIO3_IO10 from Iris carrier board pinctrl configuration, this is already defined in the SOM dtsi since this is a standard SOM functionality (wake-up button). Duplicating it leads to the following error message imx8qxp-pinctrl scu:pinctrl: pin IMX8QXP_QSPI0A_DATA1 already requested Fixes: aefb...
```diff diff --git a/arch/arm64/boot/dts/freescale/imx8x-colibri-iris.dtsi b/arch/arm64/boot/dts/freescale/imx8x-colibri-iris.dtsi index 5f30c88855e7..f8953067bc3b 100644 --- a/arch/arm64/boot/dts/freescale/imx8x-colibri-iris.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8x-colibri-iris.dtsi @@ -48,8 +48,7 @@ <IMX...
a346d4dc74d94ac3c197283d0a7ec673a59a0674
Analyze and fix the following issue in the Linux kernel code: arm64: dts: colibri-imx8x: fix eval board pin configuration
Problem Details: Fix pinctrl groups to have SODIMM 75 only in one group. Remove configuration of the pin at SoM level because it is normally used as CSI_MCLK at camera interface connector. Without this fix it is not possible, without redefining iomuxc pinctrl, to use CSI_MCLK signal and leads to the following error mes...
```diff diff --git a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi b/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi index 7cad79102e1a..6f88c11f16e1 100644 --- a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi @@ -365,7 +365,7 @@ &iomuxc { pinctrl-names = ...
07bb2e368820a4de9b4b586691e143976b74ea44
Analyze and fix the following issue in the Linux kernel code: arm64: dts: imx8mp: Fix video clock parents
Problem Details: There are a few clocks whose parents are set in mipi_dsi and lcdif nodes, but these clocks are used by the media_blk_ctrl power domain. This may cause an issue when re-parenting, because the media_blk_ctrl may start the clocks before the reparent is done resulting in a disp_pixel clock having the wron...
```diff diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index f81391993354..428c60462e3d 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -1211,13 +1211,6 @@ <&clk IMX8MP_CLK_MEDIA_APB_ROOT>, <&clk ...
ce7c014937c442be677963848c7db62eccd94eac
Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: sc8280xp: Flush RSC sleep & wake votes
Problem Details: The rpmh driver will cache sleep and wake votes until the cluster power-domain is about to enter idle, to avoid unnecessary writes. So associate the apps_rsc with the cluster pd, so that it can be notified about this event. Without this, only AMC votes are being commited. Signed-off-by: Bjorn Anderss...
```diff diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi index 9fb0c7bcbfdf..c2e6345a4041 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi +++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi @@ -3986,6 +3986,7 @@ qcom,tcs-config = <ACTIVE_TCS 2>, <SLEEP_TCS 3>, <WA...
40d5835998705c28b985b1325114114c6007546e
Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: sa8775p: pmic: remove the PON modes
Problem Details: On this PMIC, the PON peripheral does not provide passing reboot modes over HLOS. They must be passed over SDAM. Remove the reboot-mode properties as we'll provide a proper SDAM node in a later commit. Fixes: d2d9a592746c ("arm64: dts: qcom: sa8775p: add the Power On device node") Signed-off-by: Parik...
```diff diff --git a/arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi b/arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi index 7602cca47bae..5abdc239d3a6 100644 --- a/arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi +++ b/arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi @@ -108,8 +108,6 @@ compatible = "qcom,pmk8350-pon"; reg = <0...
3395d36e6805786c26d13188735bc796b9d7a7c9
Analyze and fix the following issue in the Linux kernel code: soc: qcom: rpmh-rsc: drop redundant unsigned >=0 comparision
Problem Details: Unsigned int "minor" is always >= 0 as reported by Smatch: drivers/soc/qcom/rpmh-rsc.c:1076 rpmh_rsc_probe() warn: always true condition '(drv->ver.minor >= 0) => (0-u32max >= 0)' Fixes: 88704a0cd719 ("soc: qcom: rpmh-rsc: Support RSC v3 minor versions") Signed-off-by: Krzysztof Kozlowski <krzyszto...
```diff diff --git a/drivers/soc/qcom/rpmh-rsc.c b/drivers/soc/qcom/rpmh-rsc.c index f93544f6d796..0dd4363ebac8 100644 --- a/drivers/soc/qcom/rpmh-rsc.c +++ b/drivers/soc/qcom/rpmh-rsc.c @@ -1073,7 +1073,7 @@ static int rpmh_rsc_probe(struct platform_device *pdev) drv->ver.minor = rsc_id & (MINOR_VER_MASK << MINOR_VE...
3530167c6fe8001de6c026a3058eaca4c8a5329f
Analyze and fix the following issue in the Linux kernel code: soc: qcom: icc-bwmon: fix incorrect error code passed to dev_err_probe()
Problem Details: Pass to dev_err_probe() PTR_ERR from actual dev_pm_opp_find_bw_floor() call which failed, instead of previous ret which at this point is 0. Failure of dev_pm_opp_find_bw_floor() would result in prematurely ending the probe with success. Fixes smatch warnings: drivers/soc/qcom/icc-bwmon.c:776 bwmon_...
```diff diff --git a/drivers/soc/qcom/icc-bwmon.c b/drivers/soc/qcom/icc-bwmon.c index fd58c5b69897..f65bfeca7ed6 100644 --- a/drivers/soc/qcom/icc-bwmon.c +++ b/drivers/soc/qcom/icc-bwmon.c @@ -773,12 +773,12 @@ static int bwmon_probe(struct platform_device *pdev) bwmon->max_bw_kbps = UINT_MAX; opp = dev_pm_opp_fi...
9f34baf67e4d08908fd94ff29c825bb673295336
Analyze and fix the following issue in the Linux kernel code: spi: dw: Round of n_bytes to power of 2
Problem Details: n_bytes variable in the driver represents the number of bytes per word that needs to be sent/copied to fifo. Bits/word can be between 8 and 32 bits from the client but in memory they are a power of 2, same is mentioned in spi.h header: " * @bits_per_word: Data transfers involve one or more words; word...
```diff diff --git a/drivers/spi/spi-dw-core.c b/drivers/spi/spi-dw-core.c index ae3108c70f50..7778b19bcb6c 100644 --- a/drivers/spi/spi-dw-core.c +++ b/drivers/spi/spi-dw-core.c @@ -426,7 +426,10 @@ static int dw_spi_transfer_one(struct spi_controller *master, int ret; dws->dma_mapped = 0; - dws->n_bytes = DIV_R...
a0eb7be22c0f934d1fe7e1131f174ef5bc59d3f9
Analyze and fix the following issue in the Linux kernel code: spi: spi-cadence: Only overlap FIFO transactions in slave mode
Problem Details: Commit b1b90514eaa3 ("spi: spi-cadence: Add support for Slave mode") updated the code to trigger the IRQ when the FIFO was half empty, overlapping filling more data into the FIFO and sending what is left. This appears to cause regressions on the Zynq 7000, for transactions longer than the FIFO size, be...
```diff diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c index b0ccb138e356..ff02d8104131 100644 --- a/drivers/spi/spi-cadence.c +++ b/drivers/spi/spi-cadence.c @@ -438,14 +438,15 @@ static int cdns_transfer_one(struct spi_controller *ctlr, xspi->tx_bytes = transfer->len; xspi->rx_bytes = transfer...
a84c11e16dc2cc1faad2e688f8c12beeb369d80c
Analyze and fix the following issue in the Linux kernel code: spi: spi-cadence: Avoid read of RX FIFO before its ready
Problem Details: Recent changes to cdns_spi_irq introduced some issues. Firstly, when writing the end of a longer transaction, the code in cdns_spi_irq will write data into the TX FIFO, then immediately fall into the if (!xspi->tx_bytes) path and attempt to read data from the RX FIFO. However this required waiting for...
```diff diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c index ac85d5562212..b0ccb138e356 100644 --- a/drivers/spi/spi-cadence.c +++ b/drivers/spi/spi-cadence.c @@ -304,13 +304,11 @@ static int cdns_spi_setup_transfer(struct spi_device *spi, * cdns_spi_fill_tx_fifo - Fills the TX FIFO with as many b...
d67dada3e2524514b09496b9ee1df22d4507a280
Analyze and fix the following issue in the Linux kernel code: regulator: pca9450: Fix BUCK2 enable_mask
Problem Details: This fixes a copy & paste error. No functional change intended, BUCK1_ENMODE_MASK equals BUCK2_ENMODE_MASK. Fixes: 0935ff5f1f0a ("regulator: pca9450: add pca9450 pmic driver") Originally-from: Robin Gong <yibin.gong@nxp.com Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com Reviewed-by: F...
```diff diff --git a/drivers/regulator/pca9450-regulator.c b/drivers/regulator/pca9450-regulator.c index 87a746dcb516..e75dd92f86ca 100644 --- a/drivers/regulator/pca9450-regulator.c +++ b/drivers/regulator/pca9450-regulator.c @@ -264,7 +264,7 @@ static const struct pca9450_regulator_desc pca9450a_regulators[] = { ...
41c5305cc3d827d2ea686533777a285176ae01a0
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: topology: Fix logic for copying tuples
Problem Details: Topology could have more instances of the tokens being searched for than the number of sets that need to be copied. Stop copying token after the limit of number of token instances has been reached. This worked before only by chance as we had allocated more size for the tuples array than the number of a...
```diff diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c index d3d536b0a8f5..b80566570512 100644 --- a/sound/soc/sof/topology.c +++ b/sound/soc/sof/topology.c @@ -586,6 +586,10 @@ static int sof_copy_tuples(struct snd_sof_dev *sdev, struct snd_soc_tplg_vendor_ if (*num_copied_tuples == tuples_size)...
a93d2afd3f77a7331271a0f25c6a11003db69b3c
Analyze and fix the following issue in the Linux kernel code: ASoC: mediatek: mt8186: Fix use-after-free in driver remove path
Problem Details: When devm runs function in the "remove" path for a device it runs them in the reverse order. That means that if you have parts of your driver that aren't using devm or are using "roll your own" devm w/ devm_add_action_or_reset() you need to keep that in mind. The mt8186 audio driver didn't quite get t...
```diff diff --git a/sound/soc/mediatek/mt8186/mt8186-afe-clk.c b/sound/soc/mediatek/mt8186/mt8186-afe-clk.c index a6b4f29049bb..539e3a023bc4 100644 --- a/sound/soc/mediatek/mt8186/mt8186-afe-clk.c +++ b/sound/soc/mediatek/mt8186/mt8186-afe-clk.c @@ -644,9 +644,3 @@ int mt8186_init_clock(struct mtk_base_afe *afe) r...
4708449eafe60742334606168926985798c9c9b8
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: ipc3-topology: Make sure that only one cmd is sent in dai_config
Problem Details: The commands in sof_ipc_dai_config.flags are encoded as bits: 1 (bit0) - hw_params 2 (bit1) - hw_free 4 (bit2) - pause These are commands, they cannot be combined as one would assume, for example 3 (bit0 | bit1) is invalid. This can happen right at the second start of a stream as at the end of the fi...
```diff diff --git a/sound/soc/sof/ipc3-topology.c b/sound/soc/sof/ipc3-topology.c index fc1eb8e2de2c..ba4ef290b634 100644 --- a/sound/soc/sof/ipc3-topology.c +++ b/sound/soc/sof/ipc3-topology.c @@ -2103,10 +2103,13 @@ static int sof_ipc3_dai_config(struct snd_sof_dev *sdev, struct snd_sof_widget * * For the case of...
bc424273c74c1565c459c8f2a6ed95caee368d0a
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: sof-client-probes: fix pm_runtime imbalance in error handling
Problem Details: When an error occurs, we need to make sure the device can pm_runtime suspend instead of keeping it active. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com Signe...
```diff diff --git a/sound/soc/sof/sof-client-probes.c b/sound/soc/sof/sof-client-probes.c index fff126808bc0..8d9e9d5f40e4 100644 --- a/sound/soc/sof/sof-client-probes.c +++ b/sound/soc/sof/sof-client-probes.c @@ -218,12 +218,7 @@ static ssize_t sof_probes_dfs_points_read(struct file *file, char __user *to, ret = ...
da0fe8fd515a471d373acc3682bfb5522cca4d55
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: pcm: fix pm_runtime imbalance in error handling
Problem Details: When an error occurs, we need to make sure the device can pm_runtime suspend instead of keeping it active. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com Signe...
```diff diff --git a/sound/soc/sof/pcm.c b/sound/soc/sof/pcm.c index 567db32173a8..d0ab6f390734 100644 --- a/sound/soc/sof/pcm.c +++ b/sound/soc/sof/pcm.c @@ -643,16 +643,17 @@ static int sof_pcm_probe(struct snd_soc_component *component) "%s/%s", plat_data->tplg_filename_prefix, pla...
3de975862f985f1c9e225a0d13aa3d501373f7c3
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: debug: conditionally bump runtime_pm counter on exceptions
Problem Details: When a firmware IPC error happens during a pm_runtime suspend, we ignore the error and suspend anyways. However, the code unconditionally increases the runtime_pm counter. This results in a confusing configuration where the code will suspend, resume but never suspend again due to the use of pm_runtime_...
```diff diff --git a/sound/soc/sof/debug.c b/sound/soc/sof/debug.c index b42b5982cbbc..d547318e0d32 100644 --- a/sound/soc/sof/debug.c +++ b/sound/soc/sof/debug.c @@ -438,8 +438,8 @@ void snd_sof_handle_fw_exception(struct snd_sof_dev *sdev, const char *msg) /* should we prevent DSP entering D3 ? */ if (!sdev->ip...
9643456ec3c48adfe535c56f659ab705365f4572
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: Intel: hda-mlink: initialize instance_offset member
Problem Details: We defined the values but never initialized it for SoundWire/SSP, fix this miss. A Fixes: tag is not provided as instance_offset was not used so far, so nothing was really broken. This patch is only required for the SoundWire support in the following patch. Signed-off-by: Pierre-Louis Bossart <pierre...
```diff diff --git a/sound/soc/sof/intel/hda-mlink.c b/sound/soc/sof/intel/hda-mlink.c index c540b1d75451..2d0c5d5914b1 100644 --- a/sound/soc/sof/intel/hda-mlink.c +++ b/sound/soc/sof/intel/hda-mlink.c @@ -140,6 +140,7 @@ static int hdaml_lnk_enum(struct device *dev, struct hdac_ext2_link *h2link, switch (h2link->...
af8c32b1a3d55f9b42294aee7e7c7eca85ee3bd2
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: Intel: hda-mlink: fix base_ptr computation
Problem Details: The base_ptr value needs to be derived from the remap_addr pointer, not the ml_addr. This base_ptr was used only in debug logs that were so far not contributed upstream so the issue was not detected. It needs to be fixed for SoundWire support on LunarLake. Fixes: 17c9b6ec35c0 ("ASoC: SOF: Intel: hda-m...
```diff diff --git a/sound/soc/sof/intel/hda-mlink.c b/sound/soc/sof/intel/hda-mlink.c index cfa43d93cbd0..7f5d0ea4abeb 100644 --- a/sound/soc/sof/intel/hda-mlink.c +++ b/sound/soc/sof/intel/hda-mlink.c @@ -96,7 +96,7 @@ struct hdac_ext2_link { */ static int hdaml_lnk_enum(struct device *dev, struct hdac_ext2_link...
7430dea49410de3d154fb87f931d079a0a643b1a
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: Intel: hda-mlink: fix sublink refcounting
Problem Details: In hindsight it was a very bad idea to use the same refcount for Extended and 'legacy' HDaudio multi-links. The existing solution only powers-up the first sublink, which causes SoundWire and SSP tests to fail when more than one DAI is used concurrently. Solving this problem requires per-sublink refcoun...
```diff diff --git a/sound/soc/sof/intel/hda-mlink.c b/sound/soc/sof/intel/hda-mlink.c index 775582ab7494..6d0145c30afe 100644 --- a/sound/soc/sof/intel/hda-mlink.c +++ b/sound/soc/sof/intel/hda-mlink.c @@ -19,6 +19,9 @@ #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_MLINK) +/* worst-case number of sublinks is used for sub...
bc97139ff13598fa5becf6b582ef99ab428c03ef
Analyze and fix the following issue in the Linux kernel code: power: supply: rt9467: Fix passing zero to 'dev_err_probe'
Problem Details: Fix passing zero to 'dev_err_probe()' in 'rt9467_request_interrupt()' Fixes: 6f7f70e3a8dd ("power: supply: rt9467: Add Richtek RT9467 charger driver") Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <error27@gmail.com> Link: https://lore.kernel.org/r/202305111228.bHLWU6bq-lkp...
```diff diff --git a/drivers/power/supply/rt9467-charger.c b/drivers/power/supply/rt9467-charger.c index 73f744a3155d..ea33693b6977 100644 --- a/drivers/power/supply/rt9467-charger.c +++ b/drivers/power/supply/rt9467-charger.c @@ -1023,7 +1023,7 @@ static int rt9467_request_interrupt(struct rt9467_chg_data *data) for...
a7844528722619d2f97740ae5ec747afff18c4be
Analyze and fix the following issue in the Linux kernel code: dt-bindings: ata: ahci-ceva: Cover all 4 iommus entries
Problem Details: Current only one entry is enabled but IP itself is using 4 different IDs which are already listed in zynqmp.dtsi. sata: ahci@fd0c0000 { compatible = "ceva,ahci-1v84"; ... iommus = <&smmu 0x4c0>, <&smmu 0x4c1>, <&smmu 0x4c2>, <&smmu 0x4c3>; }; Fixes: 8ac47837f0e0 ("arm64: dts: zynqmp: Add missin...
```diff diff --git a/Documentation/devicetree/bindings/ata/ceva,ahci-1v84.yaml b/Documentation/devicetree/bindings/ata/ceva,ahci-1v84.yaml index 9b31f864e071..71364c6081ff 100644 --- a/Documentation/devicetree/bindings/ata/ceva,ahci-1v84.yaml +++ b/Documentation/devicetree/bindings/ata/ceva,ahci-1v84.yaml @@ -32,7 +32,...
5f5486b620cd43b16a1787ef92b9bc21bd72ef2e
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Fix pkg-config call building sign-file
Problem Details: When building sign-file, the call to get the CFLAGS for libcrypto is missing white-space between `pkg-config` and `--cflags`: $(shell $(HOSTPKG_CONFIG)--cflags libcrypto 2> /dev/null) Removing the redirection of stderr, we see: $ make -C tools/testing/selftests/bpf sign-file make: Entering dir...
```diff diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index c49e5403ad0e..28d2c77262be 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -197,7 +197,7 @@ $(OUTPUT)/urandom_read: urandom_read.c urandom_read_aux.c $(OUTPUT)/liburando...
07a27305938559fb35f7a46fb90a5e37728bdee6
Analyze and fix the following issue in the Linux kernel code: SUNRPC: Fix trace_svc_register() call site
Problem Details: The trace event recorded incorrect values for the registered family, protocol, and port because the arguments are in the wrong order. Fixes: b4af59328c25 ("SUNRPC: Trace server-side rpcbind registration events") Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
```diff diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index 43e32129a583..79967b6925bd 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -1052,7 +1052,7 @@ static int __svc_register(struct net *net, const char *progname, #endif } - trace_svc_register(progname, version, protocol, port, family, error); + tr...
948f072ada23e0a504c5e4d7d71d4c83bd0785ec
Analyze and fix the following issue in the Linux kernel code: SUNRPC: always free ctxt when freeing deferred request
Problem Details: Since the ->xprt_ctxt pointer was added to svc_deferred_req, it has not been sufficient to use kfree() to free a deferred request. We may need to free the ctxt as well. As freeing the ctxt is all that ->xpo_release_rqst() does, we repurpose it to explicit do that even when the ctxt is not stored in a...
```diff diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h index 24aa159d29a7..fbc4bd423b35 100644 --- a/include/linux/sunrpc/svc_rdma.h +++ b/include/linux/sunrpc/svc_rdma.h @@ -176,7 +176,7 @@ extern struct svc_rdma_recv_ctxt * extern void svc_rdma_recv_ctxt_put(struct svcxprt_rdma *rdma,...
eb8d3a2c809abd73ab0a060fe971d6b9019aa3c1
Analyze and fix the following issue in the Linux kernel code: SUNRPC: double free xprt_ctxt while still in use
Problem Details: When an RPC request is deferred, the rq_xprt_ctxt pointer is moved out of the svc_rqst into the svc_deferred_req. When the deferred request is revisited, the pointer is copied into the new svc_rqst - and also remains in the svc_deferred_req. In the (rare?) case that the request is deferred a second ti...
```diff diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c index 84e5d7d31481..5fd94f6bdc75 100644 --- a/net/sunrpc/svc_xprt.c +++ b/net/sunrpc/svc_xprt.c @@ -1223,13 +1223,14 @@ static struct cache_deferred_req *svc_defer(struct cache_req *req) dr->daddr = rqstp->rq_daddr; dr->argslen = rqstp->rq_arg.len...
f28701cc24fcfd7f7b2fdd8b87e529b2034314d7
Analyze and fix the following issue in the Linux kernel code: media: dvbdev: fix most coding style issues
Problem Details: As we're doing several changes here, address coding style issues, as reported by checkpatch.pl. Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
```diff diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c index a4b05e366ccc..fb81fa46d92e 100644 --- a/drivers/media/dvb-core/dvbdev.c +++ b/drivers/media/dvb-core/dvbdev.c @@ -61,21 +61,21 @@ static const char * const dnames[] = { #define DVB_MAX_IDS 4 static const u8 minor_type[] = ...
280a8ab81733da8bc442253c700a52c4c0886ffd
Analyze and fix the following issue in the Linux kernel code: media: dvb-core: Fix use-after-free due to race condition at dvb_ca_en50221
Problem Details: If the device node of dvb_ca_en50221 is open() and the device is disconnected, a UAF may occur when calling close() on the device node. The root cause is that wake_up() and wait_event() for dvbdev->wait_queue are not implemented. So implement wait_event() function in dvb_ca_en50221_release() and add ...
```diff diff --git a/drivers/media/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb-core/dvb_ca_en50221.c index b6ca29dfb184..baf64540dc00 100644 --- a/drivers/media/dvb-core/dvb_ca_en50221.c +++ b/drivers/media/dvb-core/dvb_ca_en50221.c @@ -151,6 +151,12 @@ struct dvb_ca_private { /* mutex serializing ioctls */ str...
b87f4ff57db90677f2c52b1c42c900b142231e00
Analyze and fix the following issue in the Linux kernel code: arm64: dts: add NXP i.MX8MM-EVKB support
Problem Details: Add the i.MX8MM-EVKB [1] devicetree support. The EVKB is basically the same device except for the different used PMIC. [1] https://www.nxp.com/design/development-boards/ \ i-mx-evaluation-and-development-boards/ \ evaluation-kit-for-the-i-mx-8m-mini-applications-processor:8MMINILPD4-EVK Sign...
```diff diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile index ef7d17aef58f..0a6a646712a5 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -55,6 +55,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mm-data-modul-edm-sbc.dtb dtb-$(CONFIG_A...
91aa4b3782448a7a13baa8cbcdfd5fd19defcbd9
Analyze and fix the following issue in the Linux kernel code: ARM: dts: imx6qdl-mba6: Add missing pvcie-supply regulator
Problem Details: This worked before by coincidence, as the regulator was probed and enabled before PCI RC probe. But probe order changed since commit 259b93b21a9f ("regulator: Set PROBE_PREFER_ASYNCHRONOUS for drivers that existed in 4.14") and PCIe supply is enabled after RC. Fix this by adding the regulator to RC nod...
```diff diff --git a/arch/arm/boot/dts/imx6qdl-mba6.dtsi b/arch/arm/boot/dts/imx6qdl-mba6.dtsi index 78555a618851..7b7e6c2ad190 100644 --- a/arch/arm/boot/dts/imx6qdl-mba6.dtsi +++ b/arch/arm/boot/dts/imx6qdl-mba6.dtsi @@ -209,6 +209,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pcie>; reset-gpio = <&gpio...
892943d7729bbfb2edeed9e323eba9a5cec21c49
Analyze and fix the following issue in the Linux kernel code: ARM: dts: imx6ull-dhcor: Set and limit the mode for PMIC buck 1, 2 and 3
Problem Details: According to Renesas Electronics (formerly Dialog Semiconductor), the standard AUTO mode of the PMIC DA9061 can lead to stability problems depending on the hardware revision. It is recommended to set a defined mode such as PFM or PWM permanently. So set and limit the mode for buck 1, 2 and 3 to a fixed...
```diff diff --git a/arch/arm/boot/dts/imx6ull-dhcor-som.dtsi b/arch/arm/boot/dts/imx6ull-dhcor-som.dtsi index 5882c7565f64..32a6022625d9 100644 --- a/arch/arm/boot/dts/imx6ull-dhcor-som.dtsi +++ b/arch/arm/boot/dts/imx6ull-dhcor-som.dtsi @@ -8,6 +8,7 @@ #include <dt-bindings/input/input.h> #include <dt-bindings/leds...
f161cea5a20f3aeeb637a88ad1705fc2720b4d58
Analyze and fix the following issue in the Linux kernel code: arm64: dts: imx8mn-var-som: fix PHY detection bug by adding deassert delay
Problem Details: While testing the ethernet interface on a Variscite symphony carrier board using an imx8mn SOM with an onboard ADIN1300 PHY (EC hardware configuration), the ethernet PHY is not detected. The ADIN1300 datasheet indicate that the "Management interface active (t4)" state is reached at most 5ms after the ...
```diff diff --git a/arch/arm64/boot/dts/freescale/imx8mn-var-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-var-som.dtsi index 67072e6c77d5..cbd9d124c80d 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn-var-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn-var-som.dtsi @@ -98,11 +98,17 @@ #address-cells = <1>; ...
2ac6c4a637132b79863426223242e680cc4f8e27
Analyze and fix the following issue in the Linux kernel code: arm64: dts: imx8mn: Fix video clock parents
Problem Details: There are a few clocks whose parents are set in mipi_dsi and mxsfb nodes, but these clocks are used by the disp_blk_ctrl power domain which may cause an issue when re-parenting, resuling in a disp_pixel clock having the wrong parent and wrong rate. Fix this by moving the assigned-clock-parents as asso...
```diff diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi index bd84db550053..8be8f090e8b8 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi @@ -1069,13 +1069,6 @@ <&clk IMX8MN_CLK_DISP_APB_ROOT>, <&clk I...
b8c75e4a1b325ea0a9433fa8834be97b5836b946
Analyze and fix the following issue in the Linux kernel code: media: dvb-core: Fix kernel WARNING for blocking operation in wait_event*()
Problem Details: Using a semaphore in the wait_event*() condition is no good idea. It hits a kernel WARN_ON() at prepare_to_wait_event() like: do not call blocking ops when !TASK_RUNNING; state=1 set at prepare_to_wait_event+0x6d/0x690 For avoiding the potential deadlock, rewrite to an open-coded loop instead. Un...
```diff diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c index 947b61959b2b..bc6950a5740f 100644 --- a/drivers/media/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb-core/dvb_frontend.c @@ -293,14 +293,22 @@ static int dvb_frontend_get_event(struct dvb_frontend *fe, } if (...
627bb528b086b4136315c25d6a447a98ea9448d3
Analyze and fix the following issue in the Linux kernel code: media: dvb-core: Fix use-after-free due to race at dvb_register_device()
Problem Details: dvb_register_device() dynamically allocates fops with kmemdup() to set the fops->owner. And these fops are registered in 'file->f_ops' using replace_fops() in the dvb_device_open() process, and kfree()d in dvb_free_device(). However, it is not common to use dynamically allocated fops instead of 'stati...
```diff diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c index e9b3ce09e534..a4b05e366ccc 100644 --- a/drivers/media/dvb-core/dvbdev.c +++ b/drivers/media/dvb-core/dvbdev.c @@ -27,6 +27,7 @@ #include <media/tuner.h> static DEFINE_MUTEX(dvbdev_mutex); +static LIST_HEAD(dvbdevfops_list);...
4172385b0c9ac366dcab78eda48c26814b87ed1a
Analyze and fix the following issue in the Linux kernel code: media: dvb-core: Fix use-after-free due on race condition at dvb_net
Problem Details: A race condition may occur between the .disconnect function, which is called when the device is disconnected, and the dvb_device_open() function, which is called when the device node is open()ed. This results in several types of UAFs. The root cause of this is that you use the dvb_device_open() functi...
```diff diff --git a/drivers/media/dvb-core/dvb_net.c b/drivers/media/dvb-core/dvb_net.c index 8a2febf33ce2..8bb8dd34c223 100644 --- a/drivers/media/dvb-core/dvb_net.c +++ b/drivers/media/dvb-core/dvb_net.c @@ -1564,15 +1564,43 @@ static long dvb_net_ioctl(struct file *file, return dvb_usercopy(file, cmd, arg, dvb_ne...
6769a0b7ee0c3b31e1b22c3fadff2bfb642de23f
Analyze and fix the following issue in the Linux kernel code: media: dvb-core: Fix use-after-free on race condition at dvb_frontend
Problem Details: If the device node of dvb_frontend is open() and the device is disconnected, many kinds of UAFs may occur when calling close() on the device node. The root cause of this is that wake_up() for dvbdev->wait_queue is implemented in the dvb_frontend_release() function, but wait_event() is not implemented ...
```diff diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c index cc0a789f09ae..947b61959b2b 100644 --- a/drivers/media/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb-core/dvb_frontend.c @@ -809,15 +809,26 @@ static void dvb_frontend_stop(struct dvb_frontend *fe) dev_dbg(fe->...
ae11c0efaec32fb45130ee9886689f467232eebc
Analyze and fix the following issue in the Linux kernel code: media: mn88443x: fix !CONFIG_OF error by drop of_match_ptr from ID table
Problem Details: The driver will match mostly by DT table (even thought there is regular ID table) so there is little benefit in of_match_ptr (this also allows ACPI matching via PRP0001, even though it might not be relevant here). This also fixes !CONFIG_OF error: drivers/media/dvb-frontends/mn88443x.c:782:34: error...
```diff diff --git a/drivers/media/dvb-frontends/mn88443x.c b/drivers/media/dvb-frontends/mn88443x.c index 1f1753f2ab1a..0782f8377eb2 100644 --- a/drivers/media/dvb-frontends/mn88443x.c +++ b/drivers/media/dvb-frontends/mn88443x.c @@ -798,7 +798,7 @@ MODULE_DEVICE_TABLE(i2c, mn88443x_i2c_id); static struct i2c_driver ...
517a281338322ff8293f988771c98aaa7205e457
Analyze and fix the following issue in the Linux kernel code: media: ttusb-dec: fix memory leak in ttusb_dec_exit_dvb()
Problem Details: Since dvb_frontend_detach() is not called in ttusb_dec_exit_dvb(), which is called when the device is disconnected, dvb_frontend_free() is not finally called. This causes a memory leak just by repeatedly plugging and unplugging the device. Fix this issue by adding dvb_frontend_detach() to ttusb_dec_e...
```diff diff --git a/drivers/media/usb/ttusb-dec/ttusb_dec.c b/drivers/media/usb/ttusb-dec/ttusb_dec.c index 38822cedd93a..c4474d4c44e2 100644 --- a/drivers/media/usb/ttusb-dec/ttusb_dec.c +++ b/drivers/media/usb/ttusb-dec/ttusb_dec.c @@ -1544,8 +1544,7 @@ static void ttusb_dec_exit_dvb(struct ttusb_dec *dec) dvb_dmx...
a4315e5be7020aac9b24a8151caf4bb85224cd0e
Analyze and fix the following issue in the Linux kernel code: media: dvb_ca_en50221: fix a size write bug
Problem Details: The function of "dvb_ca_en50221_write_data" at source/drivers/media /dvb-core/dvb_ca_en50221.c is used for two cases. The first case is for writing APDU data in the function of "dvb_ca_en50221_io_write" at source/drivers/media/dvb-core/ dvb_ca_en50221.c. The second case is for writing the host link buf...
```diff diff --git a/drivers/media/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb-core/dvb_ca_en50221.c index c2d2792227f8..b6ca29dfb184 100644 --- a/drivers/media/dvb-core/dvb_ca_en50221.c +++ b/drivers/media/dvb-core/dvb_ca_en50221.c @@ -187,7 +187,7 @@ static void dvb_ca_en50221_thread_wakeup(struct dvb_ca_private *c...
e6ad6233592593079db5c8fa592c298e51bc1356
Analyze and fix the following issue in the Linux kernel code: media: netup_unidvb: fix irq init by register it at the end of probe
Problem Details: IRQ handler netup_spi_interrupt() takes spinlock spi->lock. The lock is initialized in netup_spi_init(). However, irq handler is registered before initializing the lock. Spinlock dma->lock and i2c->lock suffer from the same problem. Fix this by registering the irq at the end of probe. Link: https://...
```diff diff --git a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c index aaa1d2dedebd..d85bfbb77a25 100644 --- a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c +++ b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c @@ -887,12 +887,7 @@ static int netup_uni...
a3fd1ef27aa686d871cefe207bd6168c4b0cd29e
Analyze and fix the following issue in the Linux kernel code: media: dvb-usb: dw2102: fix uninit-value in su3000_read_mac_address
Problem Details: In su3000_read_mac_address, if i2c_transfer fails to execute two messages, array mac address will not be initialized. Without handling such error, later in function dvb_usb_adapter_dvb_init, proposed_mac is accessed before initialization. Fix this error by returning a negative value if message executi...
```diff diff --git a/drivers/media/usb/dvb-usb/dw2102.c b/drivers/media/usb/dvb-usb/dw2102.c index 0ca764282c76..8747960e6146 100644 --- a/drivers/media/usb/dvb-usb/dw2102.c +++ b/drivers/media/usb/dvb-usb/dw2102.c @@ -946,7 +946,7 @@ static int su3000_read_mac_address(struct dvb_usb_device *d, u8 mac[6]) for (i = 0;...
9ded5bd2a49ce3015b7c936743eec0a0e6e11f0c
Analyze and fix the following issue in the Linux kernel code: media: dvb-usb: digitv: fix null-ptr-deref in digitv_i2c_xfer()
Problem Details: In digitv_i2c_xfer, msg is controlled by user. When msg[i].buf is null and msg[i].len is zero, former checks on msg[i].buf would be passed. Malicious data finally reach digitv_i2c_xfer. If accessing msg[i].buf[0] without sanity check, null ptr deref would happen. We add check on msg[i].len to prevent c...
```diff diff --git a/drivers/media/usb/dvb-usb/digitv.c b/drivers/media/usb/dvb-usb/digitv.c index 2756815a780b..32134be16914 100644 --- a/drivers/media/usb/dvb-usb/digitv.c +++ b/drivers/media/usb/dvb-usb/digitv.c @@ -63,6 +63,10 @@ static int digitv_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num wa...
aa4a447b81b84f69c1a89ad899df157f386d7636
Analyze and fix the following issue in the Linux kernel code: media: dvb-usb-v2: rtl28xxu: fix null-ptr-deref in rtl28xxu_i2c_xfer
Problem Details: In rtl28xxu_i2c_xfer, msg is controlled by user. When msg[i].buf is null and msg[i].len is zero, former checks on msg[i].buf would be passed. Malicious data finally reach rtl28xxu_i2c_xfer. If accessing msg[i].buf[0] without sanity check, null ptr deref would happen. We add check on msg[i].len to preve...
```diff diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c index 795a012d4020..f7884bb56fcc 100644 --- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c +++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c @@ -176,6 +176,10 @@ static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2...
dff919090155fb22679869e8469168f270dcd97f
Analyze and fix the following issue in the Linux kernel code: media: dvb-usb-v2: ce6230: fix null-ptr-deref in ce6230_i2c_master_xfer()
Problem Details: In ce6230_i2c_master_xfer, msg is controlled by user. When msg[i].buf is null and msg[i].len is zero, former checks on msg[i].buf would be passed. Malicious data finally reach ce6230_i2c_master_xfer. If accessing msg[i].buf[0] without sanity check, null ptr deref would happen. We add check on msg[i].le...
```diff diff --git a/drivers/media/usb/dvb-usb-v2/ce6230.c b/drivers/media/usb/dvb-usb-v2/ce6230.c index 44540de1a206..d3b5cb4a24da 100644 --- a/drivers/media/usb/dvb-usb-v2/ce6230.c +++ b/drivers/media/usb/dvb-usb-v2/ce6230.c @@ -101,6 +101,10 @@ static int ce6230_i2c_master_xfer(struct i2c_adapter *adap, if (num >...
a6dcefcc08eca1bf4e3d213c97c3cfb75f377935
Analyze and fix the following issue in the Linux kernel code: media: dvb-usb-v2: ec168: fix null-ptr-deref in ec168_i2c_xfer()
Problem Details: In ec168_i2c_xfer, msg is controlled by user. When msg[i].buf is null and msg[i].len is zero, former checks on msg[i].buf would be passed. If accessing msg[i].buf[0] without sanity check, null pointer deref would happen. We add check on msg[i].len to prevent crash. Similar commit: commit 0ed554fd769a ...
```diff diff --git a/drivers/media/usb/dvb-usb-v2/ec168.c b/drivers/media/usb/dvb-usb-v2/ec168.c index 7ed0ab9e429b..0e4773fc025c 100644 --- a/drivers/media/usb/dvb-usb-v2/ec168.c +++ b/drivers/media/usb/dvb-usb-v2/ec168.c @@ -115,6 +115,10 @@ static int ec168_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], ...
858e97d7956d17a2cb56a9413468704a4d5abfe1
Analyze and fix the following issue in the Linux kernel code: media: dvb-usb: az6027: fix three null-ptr-deref in az6027_i2c_xfer()
Problem Details: In az6027_i2c_xfer, msg is controlled by user. When msg[i].buf is null, commit 0ed554fd769a ("media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()") fix the null-ptr-deref bug when msg[i].addr is 0x99. However, null-ptr-deref also happens when msg[i].addr is 0xd0 and 0xc0. We add check on ms...
```diff diff --git a/drivers/media/usb/dvb-usb/az6027.c b/drivers/media/usb/dvb-usb/az6027.c index 7d78ee09be5e..a31c6f82f4e9 100644 --- a/drivers/media/usb/dvb-usb/az6027.c +++ b/drivers/media/usb/dvb-usb/az6027.c @@ -988,6 +988,10 @@ static int az6027_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int n ...
0f5bb36bf9b39a2a96e730bf4455095b50713f63
Analyze and fix the following issue in the Linux kernel code: media: netup_unidvb: fix use-after-free at del_timer()
Problem Details: When Universal DVB card is detaching, netup_unidvb_dma_fini() uses del_timer() to stop dma->timeout timer. But when timer handler netup_unidvb_dma_timeout() is running, del_timer() could not stop it. As a result, the use-after-free bug could happen. The process is shown below: (cleanup routine) ...
```diff diff --git a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c index 8287851b5ffd..aaa1d2dedebd 100644 --- a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c +++ b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c @@ -697,7 +697,7 @@ static void netup_uni...
c290d09a998c810d11cca972810849fe7c2ec711
Analyze and fix the following issue in the Linux kernel code: arm64: dts: freescale: add missing cache properties
Problem Details: As all level 2 and level 3 caches are unified, add required cache-unified properties to fix warnings like: fsl-ls2080a-simu.dtb: l2-cache3: 'cache-unified' is a required property Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
```diff diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi index 678bb0358751..9cbb31191cf9 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi @@ -47,6 +47,7 @@ l2: l2-cache { compatible = "cac...
d2bd947176f855ea5a07fa9cce7bf15b0ce0467f
Analyze and fix the following issue in the Linux kernel code: arm64: dts: imx: add missing cache properties
Problem Details: As all level 2 and level 3 caches are unified, add required cache-unified properties to fix warnings like: imx8dxl-evk.dtb: l2-cache0: 'cache-unified' is a required property Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Acked-by: Peng Fan <peng.fan@nxp.com> Signed-off-by: Shaw...
```diff diff --git a/arch/arm64/boot/dts/freescale/imx8dxl.dtsi b/arch/arm64/boot/dts/freescale/imx8dxl.dtsi index 70fadd79851a..792b7224ca5b 100644 --- a/arch/arm64/boot/dts/freescale/imx8dxl.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8dxl.dtsi @@ -60,6 +60,7 @@ A35_L2: l2-cache0 { compatible = "cache"; ca...
6d81b2f20c191e82a4bd6272e9ef4ec485b35c63
Analyze and fix the following issue in the Linux kernel code: ARM: dts: mba6ulx: add missing vcc supplies to i2c devices
Problem Details: This fixes the warnings: pca953x 3-0020: supply vcc not found, using dummy regulator pca953x 3-0021: supply vcc not found, using dummy regulator pca953x 3-0022: supply vcc not found, using dummy regulator at24 3-0051: supply vcc not found, using dummy regulator Signed-off-by: Alexander Stein <alexande...
```diff diff --git a/arch/arm/boot/dts/mba6ulx.dtsi b/arch/arm/boot/dts/mba6ulx.dtsi index 5bf831b072d6..52684b2dbeb6 100644 --- a/arch/arm/boot/dts/mba6ulx.dtsi +++ b/arch/arm/boot/dts/mba6ulx.dtsi @@ -235,6 +235,7 @@ reg = <0x20>; gpio-controller; #gpio-cells = <2>; + vcc-supply = <&reg_mba6ul_3v3>; }; ...
ac0d46d5e38b3d380f742181ee879561ce6bd2f1
Analyze and fix the following issue in the Linux kernel code: ARM: dts: imx6ul: Add clock and PGC node to GPC
Problem Details: According to fsl,imx-gpc.yaml the General Power Control requires a ipg clock and a Power Gating Control node. So add them to fix the dtbs_check warnings on i.MX6UL boards: gpc@20dc000: 'clocks' is a required property gpc@20dc000: 'clock-names' is a required property gpc@20dc000: 'pgc' is a required pr...
```diff diff --git a/arch/arm/boot/dts/imx6ul.dtsi b/arch/arm/boot/dts/imx6ul.dtsi index 118764c50d92..0174f3edbd16 100644 --- a/arch/arm/boot/dts/imx6ul.dtsi +++ b/arch/arm/boot/dts/imx6ul.dtsi @@ -719,6 +719,18 @@ #interrupt-cells = <3>; interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>; interrupt-parent =...
e9f5cd85f1f931bb7b64031492f7051187ccaac7
Analyze and fix the following issue in the Linux kernel code: ARM: dts: imx: Adjust dma-apbh node name
Problem Details: Currently the dtbs_check generates warnings like this: $nodename:0: 'dma-apbh@110000' does not match '^dma-controller(@.*)?$' So fix all affected dma-apbh node names. Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
```diff diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi index d19508c8f9ed..a3668a0827fc 100644 --- a/arch/arm/boot/dts/imx23.dtsi +++ b/arch/arm/boot/dts/imx23.dtsi @@ -59,7 +59,7 @@ reg = <0x80000000 0x2000>; }; - dma_apbh: dma-apbh@80004000 { + dma_apbh: dma-controller@8000400...
6f9e98849edaa8aefc4030ff3500e41556e83ff7
Analyze and fix the following issue in the Linux kernel code: parisc: Fix encoding of swp_entry due to added SWP_EXCLUSIVE flag
Problem Details: Fix the __swp_offset() and __swp_entry() macros due to commit 6d239fc78c0b ("parisc/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE") which introduced the SWP_EXCLUSIVE flag by reusing the _PAGE_ACCESSED flag. Reported-by: Christoph Biedl <linux-kernel.bfrz@manchmal.in-ulm.de> Tested-by: Christoph Biedl <li...
```diff diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h index e2950f5db7c9..e715df5385d6 100644 --- a/arch/parisc/include/asm/pgtable.h +++ b/arch/parisc/include/asm/pgtable.h @@ -413,12 +413,12 @@ extern void paging_init (void); * For the 64bit version, the offset is extended by ...
29ebbba7d46136cba324264e513a1e964ca16c0a
Analyze and fix the following issue in the Linux kernel code: bpf: Don't EFAULT for {g,s}setsockopt with wrong optlen
Problem Details: With the way the hooks implemented right now, we have a special condition: optval larger than PAGE_SIZE will expose only first 4k into BPF; any modifications to the optval are ignored. If the BPF program doesn't handle this condition by resetting optlen to 0, the userspace will get EFAULT. The intenti...
```diff diff --git a/kernel/bpf/cgroup.c b/kernel/bpf/cgroup.c index a06e118a9be5..14c870595428 100644 --- a/kernel/bpf/cgroup.c +++ b/kernel/bpf/cgroup.c @@ -1826,6 +1826,12 @@ int __cgroup_bpf_run_filter_setsockopt(struct sock *sk, int *level, ret = 1; } else if (ctx.optlen > max_optlen || ctx.optlen < -1) { ...
2220eaf90992c11d888fe771055d4de330385f01
Analyze and fix the following issue in the Linux kernel code: ext4: add bounds checking in get_max_inline_xattr_value_size()
Problem Details: Normally the extended attributes in the inode body would have been checked when the inode is first opened, but if someone is writing to the block device while the file system is mounted, it's possible for the inode table to get corrupted. Add bounds checking to avoid reading beyond the end of allocate...
```diff diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index d3dfc51a43c5..f47adb284e90 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -34,6 +34,7 @@ static int get_max_inline_xattr_value_size(struct inode *inode, struct ext4_xattr_ibody_header *header; struct ext4_xattr_entry *entry; struct ext4_inode...
f4ce24f54d9cca4f09a395f3eecce20d6bec4663
Analyze and fix the following issue in the Linux kernel code: ext4: fix deadlock when converting an inline directory in nojournal mode
Problem Details: In no journal mode, ext4_finish_convert_inline_dir() can self-deadlock by calling ext4_handle_dirty_dirblock() when it already has taken the directory lock. There is a similar self-deadlock in ext4_incvert_inline_data_nolock() for data files which we'll fix at the same time. A simple reproducer demon...
```diff diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index 859bc4e2c9b0..d3dfc51a43c5 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -1175,6 +1175,7 @@ static int ext4_finish_convert_inline_dir(handle_t *handle, ext4_initialize_dirent_tail(dir_block, inode->i_sb->s_blocksize); set_buffer_upt...
4c0b4818b1f636bc96359f7817a2d8bab6370162
Analyze and fix the following issue in the Linux kernel code: ext4: improve error recovery code paths in __ext4_remount()
Problem Details: If there are failures while changing the mount options in __ext4_remount(), we need to restore the old mount options. This commit fixes two problem. The first is there is a chance that we will free the old quota file names before a potential failure leading to a use-after-free. The second problem ad...
```diff diff --git a/fs/ext4/super.c b/fs/ext4/super.c index c7bc4a2709cc..bc0b4a98b337 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -6617,9 +6617,6 @@ static int __ext4_remount(struct fs_context *fc, struct super_block *sb) } #ifdef CONFIG_QUOTA - /* Release old quota file names */ - for (i = 0; i < EXT4...
4b3cb1d108bfc2aebb0d7c8a52261a53cf7f5786
Analyze and fix the following issue in the Linux kernel code: ext4: improve error handling from ext4_dirhash()
Problem Details: The ext4_dirhash() will *almost* never fail, especially when the hash tree feature was first introduced. However, with the addition of support of encrypted, casefolded file names, that function can most certainly fail today. So make sure the callers of ext4_dirhash() properly check for failures, and ...
```diff diff --git a/fs/ext4/hash.c b/fs/ext4/hash.c index 147b5241dd94..46c3423ddfa1 100644 --- a/fs/ext4/hash.c +++ b/fs/ext4/hash.c @@ -277,7 +277,11 @@ static int __ext4fs_dirhash(const struct inode *dir, const char *name, int len, } default: hinfo->hash = 0; - return -1; + hinfo->minor_hash = 0; + ext4_w...
a44be64bbecb15a452496f60db6eacfee2b59c79
Analyze and fix the following issue in the Linux kernel code: ext4: don't clear SB_RDONLY when remounting r/w until quota is re-enabled
Problem Details: When a file system currently mounted read/only is remounted read/write, if we clear the SB_RDONLY flag too early, before the quota is initialized, and there is another process/thread constantly attempting to create a directory, it's possible to trigger the WARN_ON_ONCE(dquot_initialize_needed(inode))...
```diff diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 425b95a7a0ab..c7bc4a2709cc 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -6387,6 +6387,7 @@ static int __ext4_remount(struct fs_context *fc, struct super_block *sb) struct ext4_mount_options old_opts; ext4_group_t g; int err = 0; + int enable_rw...
fa83c34e3e56b3c672af38059e066242655271b1
Analyze and fix the following issue in the Linux kernel code: ext4: check iomap type only if ext4_iomap_begin() does not fail
Problem Details: When ext4_iomap_overwrite_begin() calls ext4_iomap_begin() map blocks may fail for some reason (e.g. memory allocation failure, bare disk write), and later because "iomap->type ! = IOMAP_MAPPED" triggers WARN_ON(). When ext4 iomap_begin() returns an error, it is normal that the type of iomap->type may ...
```diff diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 3cb774d9e3f1..ce5f21b6c2b3 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3377,7 +3377,7 @@ static int ext4_iomap_overwrite_begin(struct inode *inode, loff_t offset, */ flags &= ~IOMAP_WRITE; ret = ext4_iomap_begin(inode, offset, length, flags,...
4f04351888a83e595571de672e0a4a8b74f4fb31
Analyze and fix the following issue in the Linux kernel code: ext4: avoid a potential slab-out-of-bounds in ext4_group_desc_csum
Problem Details: When modifying the block device while it is mounted by the filesystem, syzbot reported the following: BUG: KASAN: slab-out-of-bounds in crc16+0x206/0x280 lib/crc16.c:58 Read of size 1 at addr ffff888075f5c0a8 by task syz-executor.2/15586 CPU: 1 PID: 15586 Comm: syz-executor.2 Not tainted 6.2.0-rc5-sy...
```diff diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 4037c8611c02..425b95a7a0ab 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -3240,11 +3240,9 @@ static __le16 ext4_group_desc_csum(struct super_block *sb, __u32 block_group, crc = crc16(crc, (__u8 *)gdp, offset); offset += sizeof(gdp->bg_checksum); /...
492888df0c7b42fc0843631168b0021bc4caee84
Analyze and fix the following issue in the Linux kernel code: ext4: fix data races when using cached status extents
Problem Details: When using cached extent stored in extent status tree in tree->cache_es another process holding ei->i_es_lock for reading can be racing with us setting new value of tree->cache_es. If the compiler would decide to refetch tree->cache_es at an unfortunate moment, it could result in a bogus in_range() che...
```diff diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c index 7bc221038c6c..595abb9e7d74 100644 --- a/fs/ext4/extents_status.c +++ b/fs/ext4/extents_status.c @@ -267,14 +267,12 @@ static void __es_find_extent_range(struct inode *inode, /* see if the extent has been cached */ es->es_lblk = es->es_...
00d873c17e29cc32d90ca852b82685f1673acaa5
Analyze and fix the following issue in the Linux kernel code: ext4: avoid deadlock in fs reclaim with page writeback
Problem Details: Ext4 has a filesystem wide lock protecting ext4_writepages() calls to avoid races with switching of journalled data flag or inode format. This lock can however cause a deadlock like: CPU0 CPU1 ext4_writepages() percpu_down_read(sbi->s_writepages_rwsem); ...
```diff diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 7e8f66ba17f4..6948d673bba2 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -1684,6 +1684,30 @@ static inline struct ext4_inode_info *EXT4_I(struct inode *inode) return container_of(inode, struct ext4_inode_info, vfs_inode); } +static inline int ext4_wr...
b87c7cdf2bed4928b899e1ce91ef0d147017ba45
Analyze and fix the following issue in the Linux kernel code: ext4: fix invalid free tracking in ext4_xattr_move_to_block()
Problem Details: In ext4_xattr_move_to_block(), the value of the extended attribute which we need to move to an external block may be allocated by kvmalloc() if the value is stored in an external inode. So at the end of the function the code tried to check if this was the case by testing entry->e_value_inum. However,...
```diff diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index dadad29bd81b..dfc2e223bd10 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -2614,6 +2614,7 @@ static int ext4_xattr_move_to_block(handle_t *handle, struct inode *inode, .in_inode = !!entry->e_value_inum, }; struct ext4_xattr_ibody_header *header ...
463808f237cf73e98a1a45ff7460c2406a150a0b
Analyze and fix the following issue in the Linux kernel code: ext4: remove a BUG_ON in ext4_mb_release_group_pa()
Problem Details: If a malicious fuzzer overwrites the ext4 superblock while it is mounted such that the s_first_data_block is set to a very large number, the calculation of the block group can underflow, and trigger a BUG_ON check. Change this to be an ext4_warning so that we don't crash the kernel. Cc: stable@kernel...
```diff diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index a857db48b383..7b2e36d103cb 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -5047,7 +5047,11 @@ ext4_mb_release_group_pa(struct ext4_buddy *e4b, trace_ext4_mb_release_group_pa(sb, pa); BUG_ON(pa->pa_deleted == 0); ext4_get_group_no_and_offs...
5354b2af34064a4579be8bc0e2f15a7b70f14b5f
Analyze and fix the following issue in the Linux kernel code: ext4: allow ext4_get_group_info() to fail
Problem Details: Previously, ext4_get_group_info() would treat an invalid group number as BUG(), since in theory it should never happen. However, if a malicious attaker (or fuzzer) modifies the superblock via the block device while it is the file system is mounted, it is possible for s_first_data_block to get set to a...
```diff diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index c49e612e3975..c1edde817be8 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -321,6 +321,22 @@ static ext4_fsblk_t ext4_valid_block_bitmap_padding(struct super_block *sb, return (next_zero_bit < bitmap_size ? next_zero_bit : 0); } +struct ext4_gr...
befcc1fce564bdb20ee55be981a355b0a7d0eac5
Analyze and fix the following issue in the Linux kernel code: sfc: fix use-after-free in efx_tc_flower_record_encap_match()
Problem Details: When writing error messages to extack for pseudo collisions, we can't use encap->type as encap has already been freed. Fortunately the same value is stored in local variable em_type, so use that instead. Fixes: 3c9561c0a5b9 ("sfc: support TC decap rules matching on enc_ip_tos") Reported-by: Simon H...
```diff diff --git a/drivers/net/ethernet/sfc/tc.c b/drivers/net/ethernet/sfc/tc.c index da684b4b7211..6dfbdb39f2fe 100644 --- a/drivers/net/ethernet/sfc/tc.c +++ b/drivers/net/ethernet/sfc/tc.c @@ -504,7 +504,7 @@ static int efx_tc_flower_record_encap_match(struct efx_nic *efx, if (em_type != EFX_TC_EM_PSEUDO_MASK...
55720d242052e860b9fde445e302e0425722e7f1
Analyze and fix the following issue in the Linux kernel code: dt-bindings: iio: adc: renesas,rcar-gyroadc: Fix adi,ad7476 compatible value
Problem Details: The conversion to json-schema accidentally dropped the "ad" part prefix from the compatible value. Fixes: 8c41245872e2 ("dt-bindings:iio:adc:renesas,rcar-gyroadc: txt to yaml conversion.") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox...
```diff diff --git a/Documentation/devicetree/bindings/iio/adc/renesas,rcar-gyroadc.yaml b/Documentation/devicetree/bindings/iio/adc/renesas,rcar-gyroadc.yaml index 1c7aee5ed3e0..36dff3250ea7 100644 --- a/Documentation/devicetree/bindings/iio/adc/renesas,rcar-gyroadc.yaml +++ b/Documentation/devicetree/bindings/iio/adc...
09d3bec7009186bdba77039df01e5834788b3f95
Analyze and fix the following issue in the Linux kernel code: iio: dac: mcp4725: Fix i2c_master_send() return value handling
Problem Details: The i2c_master_send() returns number of sent bytes on success, or negative on error. The suspend/resume callbacks expect zero on success and non-zero on error. Adapt the return value of the i2c_master_send() to the expectation of the suspend and resume callbacks, including proper validation of the retu...
```diff diff --git a/drivers/iio/dac/mcp4725.c b/drivers/iio/dac/mcp4725.c index 46bf758760f8..3f5661a3718f 100644 --- a/drivers/iio/dac/mcp4725.c +++ b/drivers/iio/dac/mcp4725.c @@ -47,12 +47,18 @@ static int mcp4725_suspend(struct device *dev) struct mcp4725_data *data = iio_priv(i2c_get_clientdata( to_i2c_clien...