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5b8e5319affc977d24b8ce7edd295907e969e217
Analyze and fix the following issue in the Linux kernel code: MAINTAINERS: repair a malformed T: entry in IDMAPPED MOUNTS
Problem Details: The T: entries shall be composed of a SCM tree type (git, hg, quilt, stgit or topgit) and location. Add the SCM tree type to the T: entry and reorder the file entries in alphabetical order. Fixes: ddc84c90538e ("MAINTAINERS: update idmapping tree") Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.co...
```diff diff --git a/MAINTAINERS b/MAINTAINERS index 8d5bc223f305..2c2e54e2cd67 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -9871,10 +9871,10 @@ M: Christian Brauner <brauner@kernel.org> M: Seth Forshee <sforshee@kernel.org> L: linux-fsdevel@vger.kernel.org S: Maintained -T: git://git.kernel.org/pub/scm/linux/kern...
d0dcd0ce8437ee8b99b123e8580e918542ac488c
Analyze and fix the following issue in the Linux kernel code: dt-bindings: yamllint: Require a space after a comment '#'
Problem Details: Enable yamllint to check the preferred commenting style of requiring a space after a comment character '#'. Fix the cases in the tree which have a warning with this enabled. Most cases just need a space after the '#'. A couple of cases with comments which were not intended to be comments are revealed. ...
```diff diff --git a/Documentation/devicetree/bindings/.yamllint b/Documentation/devicetree/bindings/.yamllint index 214abd3ec440..4abe9f0a1d46 100644 --- a/Documentation/devicetree/bindings/.yamllint +++ b/Documentation/devicetree/bindings/.yamllint @@ -19,7 +19,7 @@ rules: colons: {max-spaces-before: 0, max-spaces...
e2f2a39452c43b64ea3191642a2661cb8d03827a
Analyze and fix the following issue in the Linux kernel code: block, bfq: fix uaf for 'stable_merge_bfqq'
Problem Details: Before commit fd571df0ac5b ("block, bfq: turn bfqq_data into an array in bfq_io_cq"), process reference is read before bfq_put_stable_ref(), and it's safe if bfq_put_stable_ref() put the last reference, because process reference will be 0 and 'stable_merge_bfqq' won't be accessed in this case. However,...
```diff diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index 8a8d4441519c..d9ed3108c17a 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -2854,11 +2854,11 @@ bfq_setup_stable_merge(struct bfq_data *bfqd, struct bfq_queue *bfqq, { int proc_ref = min(bfqq_process_refs(bfqq), bfqq_process_re...
af0f46e5b9a462aaa1d76e82781a5316f03828eb
Analyze and fix the following issue in the Linux kernel code: ASoC: da7219: Initialize jack_det_mutex
Problem Details: The following traceback is reported if mutex debugging is enabled. DEBUG_LOCKS_WARN_ON(lock->magic != lock) WARNING: CPU: 0 PID: 17 at kernel/locking/mutex.c:950 __mutex_lock_common+0x31c/0x11d4 Modules linked in: CPU: 0 PID: 17 Comm: kworker/0:1 Not tainted 5.10.172-lockdep-21846-g849884cfca5a #1 fd2...
```diff diff --git a/sound/soc/codecs/da7219-aad.c b/sound/soc/codecs/da7219-aad.c index 4a4f09f924bc..e3d398b8f54e 100644 --- a/sound/soc/codecs/da7219-aad.c +++ b/sound/soc/codecs/da7219-aad.c @@ -968,6 +968,8 @@ int da7219_aad_init(struct snd_soc_component *component) INIT_WORK(&da7219_aad->hptest_work, da7219_aad...
9ca6705d9d609441d34f8b853e1e4a6369b3b171
Analyze and fix the following issue in the Linux kernel code: SUNRPC: Fix a server shutdown leak
Problem Details: Fix a race where kthread_stop() may prevent the threadfn from ever getting called. If that happens the svc_rqst will not be cleaned up. Fixes: ed6473ddc704 ("NFSv4: Fix callback server shutdown") Signed-off-by: Benjamin Coddington <bcodding@redhat.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> Si...
```diff diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index 1fd3f5e57285..fea7ce8fba14 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -798,6 +798,7 @@ svc_start_kthreads(struct svc_serv *serv, struct svc_pool *pool, int nrservs) static int svc_stop_kthreads(struct svc_serv *serv, struct svc_pool *pool, in...
e0489f6e221f5ddee6cb3bd51b992b790c5fa4b9
Analyze and fix the following issue in the Linux kernel code: mtd: core: fix error path for nvmem provider
Problem Details: If mtd_otp_nvmem_add() fails, the partitions won't be removed because there is simply no call to del_mtd_partitions(). Unfortunately, add_mtd_partitions() will print all partitions to the kernel console. If mtd_otp_nvmem_add() returns -EPROBE_DEFER this would print the partitions multiple times to the ...
```diff diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index c38a13cb8d5e..0bc9676fe029 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -1023,10 +1023,14 @@ int mtd_device_parse_register(struct mtd_info *mtd, const char * const *types, mtd_set_dev_defaults(mtd); + ret = mtd_otp_nvmem...
8bd1d24e6ca3c599dd455b0e1b22f77bab8290eb
Analyze and fix the following issue in the Linux kernel code: mtd: core: fix nvmem error reporting
Problem Details: The master MTD will only have an associated device if CONFIG_MTD_PARTITIONED_MASTER is set, thus we cannot use dev_err() on mtd->dev. Instead use the parent device which is the physical flash memory. Fixes: 4b361cfa8624 ("mtd: core: add OTP nvmem provider support") Cc: stable@vger.kernel.org Signed-of...
```diff diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 8fc66cda4a09..c38a13cb8d5e 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -939,6 +939,7 @@ static int mtd_nvmem_fact_otp_reg_read(void *priv, unsigned int offset, static int mtd_otp_nvmem_add(struct mtd_info *mtd) { + struct...
1cd9ceaa5282ff10ea20a7fbadde5a476a1cc99e
Analyze and fix the following issue in the Linux kernel code: mtd: core: provide unique name for nvmem device, take two
Problem Details: Commit c048b60d39e1 ("mtd: core: provide unique name for nvmem device") tries to give the nvmem device a unique name, but fails badly if the mtd device doesn't have a "struct device" associated with it, i.e. if CONFIG_MTD_PARTITIONED_MASTER is not set. This will result in the name "(null)-user-otp", wh...
```diff diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 0feacb9fbdac..8fc66cda4a09 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -888,8 +888,8 @@ static struct nvmem_device *mtd_otp_nvmem_register(struct mtd_info *mtd, /* OTP nvmem will be registered on the physical device */ ...
b0ca200077b3872056e6a8291c9a50f803658c2a
Analyze and fix the following issue in the Linux kernel code: netfilter: nat: fix indentation of function arguments
Problem Details: A couple of arguments to a function call are incorrectly indented. Fix them. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Florian Westphal <fw@strlen.de>
```diff diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c index e29e4ccb5c5a..ce829d434f13 100644 --- a/net/netfilter/nf_nat_core.c +++ b/net/netfilter/nf_nat_core.c @@ -549,8 +549,8 @@ get_unique_tuple(struct nf_conntrack_tuple *tuple, if (range->flags & NF_NAT_RANGE_PROTO_SPECIFIED) { if (...
e5d015a114dad6a50c22cf282007f7d92086df46
Analyze and fix the following issue in the Linux kernel code: netfilter: conntrack: fix typo
Problem Details: There's a spelling mistake in a comment. Fix it. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Florian Westphal <fw@strlen.de>
```diff diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 7250082e7de5..004c54132a3b 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -1294,7 +1294,7 @@ dying: } EXPORT_SYMBOL_GPL(__nf_conntrack_confirm); -/* Returns true if a connectio...
a7f1a2f43e683c8ffca691d45f2cb32c052158fa
Analyze and fix the following issue in the Linux kernel code: netfilter: bridge: check len before accessing more nh data
Problem Details: In the while loop of br_nf_check_hbh_len(), similar to ip6_parse_tlv(), before accessing 'nh[off + 1]', it should add a check 'len < 2'; and before parsing IPV6_TLV_JUMBO, it should add a check 'optlen > len', in case of overflows. Signed-off-by: Xin Long <lucien.xin@gmail.com> Reviewed-by: Simon Horm...
```diff diff --git a/net/bridge/br_netfilter_ipv6.c b/net/bridge/br_netfilter_ipv6.c index afd1c718b683..8be3c5c8b925 100644 --- a/net/bridge/br_netfilter_ipv6.c +++ b/net/bridge/br_netfilter_ipv6.c @@ -50,54 +50,49 @@ static int br_nf_check_hbh_len(struct sk_buff *skb) u32 pkt_len; if (!pskb_may_pull(skb, off + ...
cdd28833100c18a469c85a1cc3de9f6bbbe6caa0
Analyze and fix the following issue in the Linux kernel code: net: microchip: sparx5: fix deletion of existing DSCP mappings
Problem Details: Fix deletion of existing DSCP mappings in the APP table. Adding and deleting DSCP entries are replicated per-port, since the mapping table is global for all ports in the chip. Whenever a mapping for a DSCP value already exists, the old mapping is deleted first. However, it is only deleted for the spec...
```diff diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_dcb.c b/drivers/net/ethernet/microchip/sparx5/sparx5_dcb.c index 871a3e62f852..2d763664dcda 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_dcb.c +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_dcb.c @@ -249,6 +249,21 @@ static int sparx5_dc...
ea9dd2e5c6d12c8b65ce7514c8359a70eeaa0e70
Analyze and fix the following issue in the Linux kernel code: octeontx2-af: Unlock contexts in the queue context cache in case of fault detection
Problem Details: NDC caches contexts of frequently used queue's (Rx and Tx queues) contexts. Due to a HW errata when NDC detects fault/poision while accessing contexts it could go into an illegal state where a cache line could get locked forever. To makesure all cache lines in NDC are available for optimum performance ...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h index 389663a13d1d..ef721caeac49 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h @@ -884,6 +884,9 @@ int rvu_cpt_lf_teardown(struct rv...
ecf729f93bd5a2117ef82d1e281bfc780c643e36
Analyze and fix the following issue in the Linux kernel code: emulex/benet: clean up some inconsistent indenting
Problem Details: No functional modification involved. drivers/net/ethernet/emulex/benet/be_cmds.c:1120 be_cmd_pmac_add() warn: inconsistent indenting. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4396 Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba....
```diff diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c index 08ec84cd21c0..61adcebeef01 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.c +++ b/drivers/net/ethernet/emulex/benet/be_cmds.c @@ -135,7 +135,8 @@ static int be_mcc_notify(struct be_adapter *adapt...
ce7ca794712f186da99719e8b4e97bd5ddbb04c3
Analyze and fix the following issue in the Linux kernel code: net/smc: fix fallback failed while sendmsg with fastopen
Problem Details: Before determining whether the msg has unsupported options, it has been prematurely terminated by the wrong status check. For the application, the general usages of MSG_FASTOPEN likes fd = socket(...) /* rather than connect */ sendto(fd, data, len, MSG_FASTOPEN) Hence, We need to check the flag befo...
```diff diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c index a4cccdfdc00a..ff6dd86bdc9f 100644 --- a/net/smc/af_smc.c +++ b/net/smc/af_smc.c @@ -2657,16 +2657,14 @@ static int smc_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) { struct sock *sk = sock->sk; struct smc_sock *smc; - int rc = -EPIPE; +...
a402f1e35313fc7ce2ca60f543c4402c2c7c3544
Analyze and fix the following issue in the Linux kernel code: fork: allow CLONE_NEWTIME in clone3 flags
Problem Details: Currently, calling clone3() with CLONE_NEWTIME in clone_args->flags fails with -EINVAL. This is because CLONE_NEWTIME intersects with CSIGNAL. However, CSIGNAL was deprecated when clone3 was introduced in commit 7f192e3cd316 ("fork: add clone3"), allowing re-use of that part of clone flags. Fix this b...
```diff diff --git a/kernel/fork.c b/kernel/fork.c index f68954d05e89..d8cda4c6de6c 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -2936,7 +2936,7 @@ static bool clone3_args_valid(struct kernel_clone_args *kargs) * - make the CLONE_DETACHED bit reusable for clone3 * - make the CSIGNAL bits reusable for clone3 ...
493924519b1fe3faab13ee621a43b0d0939abab1
Analyze and fix the following issue in the Linux kernel code: netfilter: nft_redir: correct value of inet type `.maxattrs`
Problem Details: `nft_redir_inet_type.maxattrs` was being set, presumably because of a cut-and-paste error, to `NFTA_MASQ_MAX`, instead of `NFTA_REDIR_MAX`. Fixes: 63ce3940f3ab ("netfilter: nft_redir: add inet support") Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Reviewed-by: Florian Westphal <fw@strlen.de> Signe...
```diff diff --git a/net/netfilter/nft_redir.c b/net/netfilter/nft_redir.c index dbc642f5d32a..67cec56bc84a 100644 --- a/net/netfilter/nft_redir.c +++ b/net/netfilter/nft_redir.c @@ -236,7 +236,7 @@ static struct nft_expr_type nft_redir_inet_type __read_mostly = { .name = "redir", .ops = &nft_redir_inet_ops, .p...
1f617b6b4c7a3d5ea7a56abb83a4c27733b60c2f
Analyze and fix the following issue in the Linux kernel code: netfilter: nft_redir: correct length for loading protocol registers
Problem Details: The values in the protocol registers are two bytes wide. However, when parsing the register loads, the code currently uses the larger 16-byte size of a `union nf_inet_addr`. Change it to use the (correct) size of a `union nf_conntrack_man_proto` instead. Fixes: d07db9884a5f ("netfilter: nf_tables: i...
```diff diff --git a/net/netfilter/nft_redir.c b/net/netfilter/nft_redir.c index 5f7739987559..dbc642f5d32a 100644 --- a/net/netfilter/nft_redir.c +++ b/net/netfilter/nft_redir.c @@ -48,7 +48,7 @@ static int nft_redir_init(const struct nft_ctx *ctx, unsigned int plen; int err; - plen = sizeof_field(struct nf_nat_...
ec2c5917eb858428b2083d1c74f445aabbe8316b
Analyze and fix the following issue in the Linux kernel code: netfilter: nft_masq: correct length for loading protocol registers
Problem Details: The values in the protocol registers are two bytes wide. However, when parsing the register loads, the code currently uses the larger 16-byte size of a `union nf_inet_addr`. Change it to use the (correct) size of a `union nf_conntrack_man_proto` instead. Fixes: 8a6bf5da1aef ("netfilter: nft_masq: su...
```diff diff --git a/net/netfilter/nft_masq.c b/net/netfilter/nft_masq.c index e55e455275c4..9544c2f16998 100644 --- a/net/netfilter/nft_masq.c +++ b/net/netfilter/nft_masq.c @@ -43,7 +43,7 @@ static int nft_masq_init(const struct nft_ctx *ctx, const struct nft_expr *expr, const struct nlattr * const tb[]) {...
068d82e75d537b444303b8c449a11e51ea659565
Analyze and fix the following issue in the Linux kernel code: netfilter: nft_nat: correct length for loading protocol registers
Problem Details: The values in the protocol registers are two bytes wide. However, when parsing the register loads, the code currently uses the larger 16-byte size of a `union nf_inet_addr`. Change it to use the (correct) size of a `union nf_conntrack_man_proto` instead. Fixes: d07db9884a5f ("netfilter: nf_tables: i...
```diff diff --git a/net/netfilter/nft_nat.c b/net/netfilter/nft_nat.c index 047999150390..5c29915ab028 100644 --- a/net/netfilter/nft_nat.c +++ b/net/netfilter/nft_nat.c @@ -226,7 +226,7 @@ static int nft_nat_init(const struct nft_ctx *ctx, const struct nft_expr *expr, priv->flags |= NF_NAT_RANGE_MAP_IPS; } - p...
03e1d60e177eedbd302b77af4ea5e21b5a7ade31
Analyze and fix the following issue in the Linux kernel code: watch_queue: fix IOC_WATCH_QUEUE_SET_SIZE alloc error paths
Problem Details: The watch_queue_set_size() allocation error paths return the ret value set via the prior pipe_resize_ring() call, which will always be zero. As a result, IOC_WATCH_QUEUE_SET_SIZE callers such as "keyctl watch" fail to detect kernel wqueue->notes allocation failures and proceed to KEYCTL_WATCH_KEY, wit...
```diff diff --git a/kernel/watch_queue.c b/kernel/watch_queue.c index a6f9bdd956c3..f10f403104e7 100644 --- a/kernel/watch_queue.c +++ b/kernel/watch_queue.c @@ -273,6 +273,7 @@ long watch_queue_set_size(struct pipe_inode_info *pipe, unsigned int nr_notes) if (ret < 0) goto error; + ret = -ENOMEM; pages = kca...
8f3c307b580a4a6425896007325bddefc36e8d91
Analyze and fix the following issue in the Linux kernel code: soc: ti: pm33xx: Fix refcount leak in am33xx_pm_probe
Problem Details: wkup_m3_ipc_get() takes refcount, which should be freed by wkup_m3_ipc_put(). Add missing refcount release in the error paths. Fixes: 5a99ae0092fe ("soc: ti: pm33xx: AM437X: Add rtc_only with ddr in self-refresh support") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Link: https://lore.kernel.org/r...
```diff diff --git a/drivers/soc/ti/pm33xx.c b/drivers/soc/ti/pm33xx.c index ce09c42eaed2..f04c21157904 100644 --- a/drivers/soc/ti/pm33xx.c +++ b/drivers/soc/ti/pm33xx.c @@ -527,7 +527,7 @@ static int am33xx_pm_probe(struct platform_device *pdev) ret = am33xx_pm_alloc_sram(); if (ret) - return ret; + goto err_...
5f1732a8683c1da8faaa90d6ffc3bd6d33013a58
Analyze and fix the following issue in the Linux kernel code: soc: ti: k3-ringacc: Add try_module_get() to k3_dmaring_request_dual_ring()
Problem Details: When the k3 ring accelerator driver has been modified to add module build support, try_module_get() and module_put() have been added to update the module refcnt. One code path has not been updated and it has introduced an issue where the refcnt is decremented by module_put() in k3_ringacc_ring_free() w...
```diff diff --git a/drivers/soc/ti/k3-ringacc.c b/drivers/soc/ti/k3-ringacc.c index e01e4d815230..8f131368a758 100644 --- a/drivers/soc/ti/k3-ringacc.c +++ b/drivers/soc/ti/k3-ringacc.c @@ -406,6 +406,11 @@ static int k3_dmaring_request_dual_ring(struct k3_ringacc *ringacc, int fwd_id, mutex_lock(&ringacc->req_loc...
ff447886e675979d66b2bc01810035d3baea1b3a
Analyze and fix the following issue in the Linux kernel code: ALSA: hda: Match only Intel devices with CONTROLLER_IN_GPU()
Problem Details: CONTROLLER_IN_GPU() is clearly intended to match only Intel devices, but previously it checked only the PCI Device ID, not the Vendor ID, so it could match devices from other vendors that happened to use the same Device ID. Update CONTROLLER_IN_GPU() so it matches only Intel devices. Fixes: 535115b5f...
```diff diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 81c4a45254ff..77a592f21947 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -328,14 +328,15 @@ enum { #define needs_eld_notify_link(chip) false #endif -#define CONTROLLER_IN_GPU(pci) (((pci)->device == 0x0a0c) ...
a86e79e3015f5dd8e1b01ccfa49bd5c6e41047a1
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/realtek: Fix the speaker output on Samsung Galaxy Book2 Pro
Problem Details: Samsung Galaxy Book2 Pro (13" 2022 NP930XED-KA1DE) with codec SSID 144d:c868 requires the same workaround for enabling the speaker amp like other Samsung models with ALC298 code. Signed-off-by: Hamidreza H. Fard <nitocris@posteo.net> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/2023030...
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 5d530b489c48..f09a1d7c1b18 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -9540,6 +9540,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x144d, 0xc830, "Samsung Galax...
7bb62340951a9af20235a3bde8c98e2e292915df
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/realtek: fix speaker, mute/micmute LEDs not work on a HP platform
Problem Details: There is a HP platform needs ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED quirk to make mic-mute/audio-mute/speaker working. Signed-off-by: Jeremy Szu <jeremy.szu@canonical.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20230307135317.37621-1-jeremy.szu@canonical.com Signed-off-by: Takash...
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 3c629f4ae080..5d530b489c48 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -9447,6 +9447,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x8b8a, "HP", ALC236_F...
3c92792da8506a295afb6d032b4476e46f979725
Analyze and fix the following issue in the Linux kernel code: ext4: Fix deadlock during directory rename
Problem Details: As lockdep properly warns, we should not be locking i_rwsem while having transactions started as the proper lock ordering used by all directory handling operations is i_rwsem -> transaction start. Fix the lock ordering by moving the locking of the directory earlier in ext4_rename(). Reported-by: syzbo...
```diff diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index e8f429330f3c..7cc3918e2f18 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -3813,10 +3813,20 @@ static int ext4_rename(struct user_namespace *mnt_userns, struct inode *old_dir, return retval; } + /* + * We need to protect against old.inode dire...
ce756daa36e1ba271bb3334267295e447aa57a5c
Analyze and fix the following issue in the Linux kernel code: scsi: mpi3mr: Fix expander node leak in mpi3mr_remove()
Problem Details: Add a missing resource clean up in .remove. Fixes: e22bae30667a ("scsi: mpi3mr: Add expander devices to STL") Signed-off-by: Tomas Henzl <thenzl@redhat.com> Link: https://lore.kernel.org/r/20230302234336.25456-7-thenzl@redhat.com Acked-by: Sathya Prakash Veerichetty <sathya.prakash@broadcom.com> Signe...
```diff diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h index 40f238fa80cc..364fb1b5e45a 100644 --- a/drivers/scsi/mpi3mr/mpi3mr.h +++ b/drivers/scsi/mpi3mr/mpi3mr.h @@ -1393,4 +1393,6 @@ void mpi3mr_flush_drv_cmds(struct mpi3mr_ioc *mrioc); void mpi3mr_flush_cmds_for_unrecovered_controller(st...
c798304470cab88723d895726d17fcb96472e0e9
Analyze and fix the following issue in the Linux kernel code: scsi: mpi3mr: Fix memory leaks in mpi3mr_init_ioc()
Problem Details: Don't allocate memory again when IOC is being reinitialized. Fixes: fe6db6151565 ("scsi: mpi3mr: Handle offline FW activation in graceful manner") Signed-off-by: Tomas Henzl <thenzl@redhat.com> Link: https://lore.kernel.org/r/20230302234336.25456-6-thenzl@redhat.com Acked-by: Sathya Prakash Veerichett...
```diff diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c index 0736e6a59e81..a565817aa56d 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -3837,29 +3837,34 @@ retry_init: mpi3mr_print_ioc_info(mrioc); - dprint_init(mrioc, "allocating config page ...
d4caa1a4255cc44be56bcab3db2c97c632e6cc10
Analyze and fix the following issue in the Linux kernel code: scsi: mpi3mr: Fix sas_hba.phy memory leak in mpi3mr_remove()
Problem Details: Free mrioc->sas_hba.phy at .remove. Fixes: 42fc9fee116f ("scsi: mpi3mr: Add helper functions to manage device's port") Signed-off-by: Tomas Henzl <thenzl@redhat.com> Link: https://lore.kernel.org/r/20230302234336.25456-5-thenzl@redhat.com Acked-by: Sathya Prakash Veerichetty <sathya.prakash@broadcom.c...
```diff diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index 2ad03b993f05..2e546c80d98c 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -5128,6 +5128,12 @@ static void mpi3mr_remove(struct pci_dev *pdev) } spin_unlock_irqrestore(&mrioc->sas_node_...
d0f3c3728da8af76dfe435f7f0cfa2b9d9e43ef0
Analyze and fix the following issue in the Linux kernel code: scsi: mpi3mr: Fix mpi3mr_hba_port memory leak in mpi3mr_remove()
Problem Details: Free mpi3mr_hba_port at .remove. Fixes: 42fc9fee116f ("scsi: mpi3mr: Add helper functions to manage device's port") Signed-off-by: Tomas Henzl <thenzl@redhat.com> Link: https://lore.kernel.org/r/20230302234336.25456-4-thenzl@redhat.com Acked-by: Sathya Prakash Veerichetty <sathya.prakash@broadcom.com>...
```diff diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index a794cc8a1c0b..2ad03b993f05 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -5078,6 +5078,7 @@ static void mpi3mr_remove(struct pci_dev *pdev) struct workqueue_struct *wq; unsigned long ...
7d2b02172b6a2ae6aecd7ef6480b9c4bf3dc59f4
Analyze and fix the following issue in the Linux kernel code: scsi: mpi3mr: Fix config page DMA memory leak
Problem Details: A fix for: DMA-API: pci 0000:83:00.0: device driver has pending DMA allocations while released from device [count=1] Fixes: 32d457d5a2af ("scsi: mpi3mr: Add framework to issue config requests") Signed-off-by: Tomas Henzl <thenzl@redhat.com> Link: https://lore.kernel.org/r/20230302234336.25456-3-thenz...
```diff diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c index 514ccf29cd7f..0736e6a59e81 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -4382,7 +4382,11 @@ void mpi3mr_free_mem(struct mpi3mr_ioc *mrioc) mrioc->admin_req_base, mrioc->admin_req_...
f305a7b6ca21a665e8d0cf70b5936991a298c93c
Analyze and fix the following issue in the Linux kernel code: scsi: mpi3mr: Fix throttle_groups memory leak
Problem Details: Add a missing kfree(). Fixes: f10af057325c ("scsi: mpi3mr: Resource Based Metering") Signed-off-by: Tomas Henzl <thenzl@redhat.com> Link: https://lore.kernel.org/r/20230302234336.25456-2-thenzl@redhat.com Acked-by: Sathya Prakash Veerichetty <sathya.prakash@broadcom.com> Signed-off-by: Martin K. Peter...
```diff diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c index 29acf6111db3..514ccf29cd7f 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -4389,6 +4389,9 @@ void mpi3mr_free_mem(struct mpi3mr_ioc *mrioc) mrioc->pel_seqnum_virt = NULL; } + kfree(...
d3c57724f1569311e4b81e98fad0931028b9bdcd
Analyze and fix the following issue in the Linux kernel code: scsi: mpt3sas: Fix NULL pointer access in mpt3sas_transport_port_add()
Problem Details: Port is allocated by sas_port_alloc_num() and rphy is allocated by either sas_end_device_alloc() or sas_expander_alloc(), all of which may return NULL. So we need to check the rphy to avoid possible NULL pointer access. If sas_rphy_add() returned with failure, rphy is set to NULL. We would access the ...
```diff diff --git a/drivers/scsi/mpt3sas/mpt3sas_transport.c b/drivers/scsi/mpt3sas/mpt3sas_transport.c index e5ecd6ada6cd..e8a4750f6ec4 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_transport.c +++ b/drivers/scsi/mpt3sas/mpt3sas_transport.c @@ -785,7 +785,7 @@ mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER *ioc, u16 h...
c3d79fda250ac5df73d089f08311eb87138b04f3
Analyze and fix the following issue in the Linux kernel code: fpga: m10bmc-sec: Fix rsu_send_data() to return FW_UPLOAD_ERR_HW_ERROR
Problem Details: rsu_send_data() should return FW_UPLOAD_ERR_* error codes instead of normal -Exxxx codes. Convert <0 return from ->rsu_status() to FW_UPLOAD_ERR_HW_ERROR. Fixes: 001a734a55d0 ("fpga: m10bmc-sec: Make rsu status type specific") Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Reviewed-by: R...
```diff diff --git a/drivers/fpga/intel-m10-bmc-sec-update.c b/drivers/fpga/intel-m10-bmc-sec-update.c index f0acedc80182..d7e2f9f461bc 100644 --- a/drivers/fpga/intel-m10-bmc-sec-update.c +++ b/drivers/fpga/intel-m10-bmc-sec-update.c @@ -474,7 +474,7 @@ static enum fw_upload_err rsu_send_data(struct m10bmc_sec *sec) ...
7fc1f5c28ae4c615ccc5346f39a7bf4c4e0900ac
Analyze and fix the following issue in the Linux kernel code: ext4: Fix comment about the 64BIT feature
Problem Details: 64BIT is part of the incompatible feature set, update the comment accordingly. Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Link: https://lore.kernel.org/r/20230301133842.671821-1-tudor.ambarus@linaro.org Signed-off-by: Theodore Ts'o <tytso@m...
```diff diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 6479146140d2..9dec84fff826 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -1387,7 +1387,7 @@ struct ext4_super_block { __le32 s_first_meta_bg; /* First metablock block group */ __le32 s_mkfs_time; /* When the filesystem was created */ __le32 s_jnl_b...
c993799baf9c5861f8df91beb80e1611b12efcbd
Analyze and fix the following issue in the Linux kernel code: ext4: fix another off-by-one fsmap error on 1k block filesystems
Problem Details: Apparently syzbot figured out that issuing this FSMAP call: struct fsmap_head cmd = { .fmh_count = ...; .fmh_keys = { { .fmr_device = /* ext4 dev */, .fmr_physical = 0, }, { .fmr_device = /* ext4 dev */, .fmr_physical = 0, }, }, ... }; ret = ioctl(fd, FS_IOC_GETFSMAP, &cmd); Produces this cras...
```diff diff --git a/fs/ext4/fsmap.c b/fs/ext4/fsmap.c index 4493ef0c715e..cdf9bfe10137 100644 --- a/fs/ext4/fsmap.c +++ b/fs/ext4/fsmap.c @@ -486,6 +486,8 @@ static int ext4_getfsmap_datadev(struct super_block *sb, keys[0].fmr_physical = bofs; if (keys[1].fmr_physical >= eofs) keys[1].fmr_physical = eofs - 1; ...
c9f62c8b2dbf7240536c0cc9a4529397bb8bf38e
Analyze and fix the following issue in the Linux kernel code: ext4: fix RENAME_WHITEOUT handling for inline directories
Problem Details: A significant number of xfstests can cause ext4 to log one or more warning messages when they are run on a test file system where the inline_data feature has been enabled. An example: "EXT4-fs warning (device vdc): ext4_dirblock_csum_set:425: inode #16385: comm fsstress: No space for directory leaf ...
```diff diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 270fbcba75b6..e8f429330f3c 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -1595,11 +1595,10 @@ static struct buffer_head *__ext4_find_entry(struct inode *dir, int has_inline_data = 1; ret = ext4_find_inline_entry(dir, fname, res_dir, &...
ffec85d53d0f39ee4680a2cf0795255e000e1feb
Analyze and fix the following issue in the Linux kernel code: ext4: fix cgroup writeback accounting with fs-layer encryption
Problem Details: When writing a page from an encrypted file that is using filesystem-layer encryption (not inline encryption), ext4 encrypts the pagecache page into a bounce page, then writes the bounce page. It also passes the bounce page to wbc_account_cgroup_owner(). That's incorrect, because the bounce page is a ...
```diff diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index beaec6d81074..1e4db96a04e6 100644 --- a/fs/ext4/page-io.c +++ b/fs/ext4/page-io.c @@ -409,7 +409,8 @@ static void io_submit_init_bio(struct ext4_io_submit *io, static void io_submit_add_bh(struct ext4_io_submit *io, struct inode *inode, - ...
dd52a61da0dd8bab8b90e808f0e5ad507b61ad6d
Analyze and fix the following issue in the Linux kernel code: mm/damon/paddr: fix folio_nr_pages() after folio_put() in damon_pa_mark_accessed_or_deactivate()
Problem Details: damon_pa_mark_accessed_or_deactivate() is accessing a folio via folio_nr_pages() after folio_put() for the folio has invoked. Fix it. Link: https://lkml.kernel.org/r/20230304193949.296391-3-sj@kernel.org Fixes: f70da5ee8fe1 ("mm/damon: convert damon_pa_mark_accessed_or_deactivate() to use folios") Si...
```diff diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index 49b267b03305..dd9c33fbe805 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -280,8 +280,8 @@ static inline unsigned long damon_pa_mark_accessed_or_deactivate( folio_mark_accessed(folio); else folio_deactivate(folio); - folio_put(folio); ...
751688b8be9049f558f86982966ecaa61a9cbedf
Analyze and fix the following issue in the Linux kernel code: mm/damon/paddr: fix folio_size() call after folio_put() in damon_pa_young()
Problem Details: Patch series "mm/damon/paddr: Fix folio-use-after-put bugs". There are two folio accesses after folio_put() in mm/damon/paddr.c file. Fix those. This patch (of 2): damon_pa_young() is accessing a folio via folio_size() after folio_put() for the folio has invoked. Fix it. Link: https://lkml.kerne...
```diff diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index 6c655d9b5639..49b267b03305 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -130,7 +130,6 @@ static bool damon_pa_young(unsigned long paddr, unsigned long *folio_sz) accessed = false; else accessed = true; - folio_put(folio); goto out;...
90410bcf873cf05f54a32183afff0161f44f9715
Analyze and fix the following issue in the Linux kernel code: ocfs2: fix data corruption after failed write
Problem Details: When buffered write fails to copy data into underlying page cache page, ocfs2_write_end_nolock() just zeroes out and dirties the page. This can leave dirty page beyond EOF and if page writeback tries to write this page before write succeeds and expands i_size, page gets into inconsistent state where p...
```diff diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 1d65f6ef00ca..0394505fdce3 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -1977,11 +1977,26 @@ int ocfs2_write_end_nolock(struct address_space *mapping, } if (unlikely(copied < len) && wc->w_target_page) { + loff_t new_isize; + if (!PageUptod...
2ef7dbb269902bde34c82f027806992195d1d1ee
Analyze and fix the following issue in the Linux kernel code: migrate_pages: try migrate in batch asynchronously firstly
Problem Details: When we have locked more than one folios, we cannot wait the lock or bit (e.g., page lock, buffer head lock, writeback bit) synchronously. Otherwise deadlock may be triggered. This make it hard to batch the synchronous migration directly. This patch re-enables batching synchronous migration via tryi...
```diff diff --git a/mm/migrate.c b/mm/migrate.c index b61abe529107..db3f154446af 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1112,9 +1112,8 @@ static void migrate_folio_done(struct folio *src, /* Obtain the lock on page, remove all ptes. */ static int migrate_folio_unmap(new_page_t get_new_page, free_page_t put...
a21d2133215b58fbf254ea2bb77eb3143ffedf60
Analyze and fix the following issue in the Linux kernel code: migrate_pages: move split folios processing out of migrate_pages_batch()
Problem Details: To simplify the code logic and reduce the line number. Link: https://lkml.kernel.org/r/20230303030155.160983-3-ying.huang@intel.com Fixes: 5dfab109d519 ("migrate_pages: batch _unmap and _move") Signed-off-by: "Huang, Ying" <ying.huang@intel.com> Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>...
```diff diff --git a/mm/migrate.c b/mm/migrate.c index f348e0a7b1df..b61abe529107 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1616,9 +1616,10 @@ static int migrate_hugetlbs(struct list_head *from, new_page_t get_new_page, static int migrate_pages_batch(struct list_head *from, new_page_t get_new_page, free_page...
fb3592c41a4427601f9643b2a84e55bb99f5cd7c
Analyze and fix the following issue in the Linux kernel code: migrate_pages: fix deadlock in batched migration
Problem Details: Patch series "migrate_pages: fix deadlock in batched synchronous migration", v2. Two deadlock bugs were reported for the migrate_pages() batching series. Thanks Hugh and Pengfei. Analysis shows that if we have locked some other folios except the one we are migrating, it's not safe in general to wait...
```diff diff --git a/mm/migrate.c b/mm/migrate.c index 98f1c11197a8..f348e0a7b1df 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1112,7 +1112,7 @@ static void migrate_folio_done(struct folio *src, /* Obtain the lock on page, remove all ptes. */ static int migrate_folio_unmap(new_page_t get_new_page, free_page_t put...
071ca76d2c1dddc6bf2f4917a016207e00bcc8e3
Analyze and fix the following issue in the Linux kernel code: mailmap: correct Dikshita Agarwal's Qualcomm email address
Problem Details: I recently sent a patch to map Dikshita's old CAF address to his current one @ Qualcomm. It turned out however, that he has two of them, with the @quicinc.com one meant for upstream contributions. Fix it. Link: https://lkml.kernel.org/r/20230301110012.1290379-1-konrad.dybcio@linaro.org Signed-off-by...
```diff diff --git a/.mailmap b/.mailmap index 7581773e1e16..16b195032269 100644 --- a/.mailmap +++ b/.mailmap @@ -121,7 +121,7 @@ Dengcheng Zhu <dzhu@wavecomp.com> <dengcheng.zhu@gmail.com> Dengcheng Zhu <dzhu@wavecomp.com> <dengcheng.zhu@imgtec.com> Dengcheng Zhu <dzhu@wavecomp.com> <dengcheng.zhu@mips.com> <dev.k...
42b2af2c9b7eede8ef21d0943f84d135e21a32a3
Analyze and fix the following issue in the Linux kernel code: mm/userfaultfd: propagate uffd-wp bit when PTE-mapping the huge zeropage
Problem Details: Currently, we'd lose the userfaultfd-wp marker when PTE-mapping a huge zeropage, resulting in the next write faults in the PMD range not triggering uffd-wp events. Various actions (partial MADV_DONTNEED, partial mremap, partial munmap, partial mprotect) could trigger this. However, most importantly, ...
```diff diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 4fc43859e59a..032fb0ef9cd1 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2037,7 +2037,7 @@ static void __split_huge_zero_page_pmd(struct vm_area_struct *vma, { struct mm_struct *mm = vma->vm_mm; pgtable_t pgtable; - pmd_t _pmd; + pmd_t _pmd,...
63cf584203f3367c8b073d417c8e5cbbfc450506
Analyze and fix the following issue in the Linux kernel code: mm: teach mincore_hugetlb about pte markers
Problem Details: By checking huge_pte_none(), we incorrectly classify PTE markers as "present". Instead, check huge_pte_none_mostly(), classifying PTE markers the same as if the PTE were completely blank. PTE markers, unlike other kinds of swap entries, don't reference any physical page and don't indicate that a phys...
```diff diff --git a/mm/mincore.c b/mm/mincore.c index cd69b9db0081..d359650b0f75 100644 --- a/mm/mincore.c +++ b/mm/mincore.c @@ -33,7 +33,7 @@ static int mincore_hugetlb(pte_t *pte, unsigned long hmask, unsigned long addr, * Hugepages under user process are always in RAM and never * swapped out, but theoretical...
675dfe1223a69e270b3d52cb0211c8a501455cec
Analyze and fix the following issue in the Linux kernel code: btrfs: fix block group item corruption after inserting new block group
Problem Details: We can often end up inserting a block group item, for a new block group, with a wrong value for the used bytes field. This happens if for the new allocated block group, in the same transaction that created the block group, we have tasks allocating extents from it as well as tasks removing extents from...
```diff diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c index 0eec3084fb00..0ef8b8926bfa 100644 --- a/fs/btrfs/block-group.c +++ b/fs/btrfs/block-group.c @@ -2484,18 +2484,29 @@ static int insert_block_group_item(struct btrfs_trans_handle *trans, struct btrfs_block_group_item bgi; struct btrfs_root *ro...
3ecde2182adbb12b52b777d8fb4a599b43faf4f1
Analyze and fix the following issue in the Linux kernel code: libbpf: Fix theoretical u32 underflow in find_cd() function
Problem Details: Coverity reported a potential underflow of the offset variable used in the find_cd() function. Switch to using a signed 64 bit integer for the representation of offset to make sure we can never underflow. Fixes: 1eebcb60633f ("libbpf: Implement basic zip archive parsing support") Signed-off-by: Daniel...
```diff diff --git a/tools/lib/bpf/zip.c b/tools/lib/bpf/zip.c index 8458c2dd0e3b..f561aa07438f 100644 --- a/tools/lib/bpf/zip.c +++ b/tools/lib/bpf/zip.c @@ -168,9 +168,8 @@ static int try_parse_end_of_cd(struct zip_archive *archive, __u32 offset) static int find_cd(struct zip_archive *archive) { + int64_t limit, ...
4e347bdf44c1fd4296a7b9657a2c0e1bd900fa50
Analyze and fix the following issue in the Linux kernel code: tools/x86/kcpuid: Fix avx512bw and avx512lvl fields in Fn00000007
Problem Details: Leaf Fn00000007 contains avx512bw at bit 26 and avx512vl at bit 28. This is incorrect per the SDM. Correct avx512bw to be bit 30 and avx512lvl to be bit 31. Fixes: c6b2f240bf8d ("tools/x86: Add a kcpuid tool to show raw CPU features") Signed-off-by: Terry Bowman <terry.bowman@amd.com> Signed-off-by: B...
```diff diff --git a/tools/arch/x86/kcpuid/cpuid.csv b/tools/arch/x86/kcpuid/cpuid.csv index 4f1c4b0c29e9..9914bdf4fc9e 100644 --- a/tools/arch/x86/kcpuid/cpuid.csv +++ b/tools/arch/x86/kcpuid/cpuid.csv @@ -184,8 +184,8 @@ 7, 0, EBX, 27, avx512er, AVX512 Exponent Reciproca instr 7, 0, EBX, 28, avx...
7d834b4d1ab66c48e8c0810fdeadaabb80fa2c81
Analyze and fix the following issue in the Linux kernel code: nfc: change order inside nfc_se_io error path
Problem Details: cb_context should be freed on the error path in nfc_se_io as stated by commit 25ff6f8a5a3b ("nfc: fix memory leak of se_io context in nfc_genl_se_io"). Make the error path in nfc_se_io unwind everything in reverse order, i.e. free the cb_context after unlocking the device. Suggested-by: Krzysztof Koz...
```diff diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c index 348bf561bc9f..b9264e730fd9 100644 --- a/net/nfc/netlink.c +++ b/net/nfc/netlink.c @@ -1446,8 +1446,8 @@ static int nfc_se_io(struct nfc_dev *dev, u32 se_idx, return rc; error: - kfree(cb_context); device_unlock(&dev->dev); + kfree(cb_context); re...
da1185449c669076276027c600666286124eef9f
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: fix EOF bit reporting
Problem Details: In monitor mode, we try to report the EOF bit on the first MPDU of an A-MPDU (hardware duplicates this bit over all MPDUs, so it's only trustable on the first). However, due to reshuffling in an ealier commit, the toggle_bit != mvm->ampdu_toggle logic can no longer work since mvm->ampdu_toggle is now ...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index 2ea1fbf81d3b..91556d43735a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -1180,6 +1180,7 @@ struct iwl_mvm_rx_phy_data { __le32 d...
8f5c5a790e3025d6eca96bf7ee5e3873dc92373f
Analyze and fix the following issue in the Linux kernel code: ethernet: ice: avoid gcc-9 integer overflow warning
Problem Details: With older compilers like gcc-9, the calculation of the vlan priority field causes a false-positive warning from the byteswap: In file included from drivers/net/ethernet/intel/ice/ice_tc_lib.c:4: drivers/net/ethernet/intel/ice/ice_tc_lib.c: In function 'ice_parse_cls_flower': include/uapi/linux/swab.h...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_tc_lib.c b/drivers/net/ethernet/intel/ice/ice_tc_lib.c index 6b48cbc049c6..76f29a5bf8d7 100644 --- a/drivers/net/ethernet/intel/ice/ice_tc_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_tc_lib.c @@ -1455,8 +1455,8 @@ ice_parse_cls_flower(struct net_device *filter_...
c4a9c8e78aad0fd9b79c9b1e83bab3288a15ce3c
Analyze and fix the following issue in the Linux kernel code: ice: don't ignore return codes in VSI related code
Problem Details: There were few smatch warnings reported by Dan: - ice_vsi_cfg_xdp_txqs can return 0 instead of ret, which is cleaner - return values in ice_vsi_cfg_def were ignored - in ice_vsi_rebuild return value was ignored in case rebuild failed, it was a never reached code, however, rewrite it for clarity. - ic...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index 781475480ff2..0f52ea38b6f3 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -2126,7 +2126,7 @@ int ice_vsi_cfg_xdp_txqs(struct ice_vsi *vsi) ice_for_eac...
fef3f92e8a4214652d8f33f50330dc5a92efbf11
Analyze and fix the following issue in the Linux kernel code: ice: Fix DSCP PFC TLV creation
Problem Details: When creating the TLV to send to the FW for configuring DSCP mode PFC,the PFCENABLE field was being masked with a 4 bit mask (0xF), but this is an 8 bit bitmask for enabled classes for PFC. This means that traffic classes 4-7 could not be enabled for PFC. Remove the mask completely, as it is not nece...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_dcb.c b/drivers/net/ethernet/intel/ice/ice_dcb.c index c557dfc50aad..396e555023aa 100644 --- a/drivers/net/ethernet/intel/ice/ice_dcb.c +++ b/drivers/net/ethernet/intel/ice/ice_dcb.c @@ -1411,7 +1411,7 @@ ice_add_dscp_pfc_tlv(struct ice_lldp_org_tlv *tlv, struct i...
06630fb9fcd761254a8d8b53dd6f859b3ecf3707
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Support umc node harvest config on umc v8_10
Problem Details: Don't need to query error count and error address on harvest umc nodes. v2: Fix code bug, use active_mask instead of harvsest_config and remove unnecessary argument in LOOP macro. v3: Leave adev->gmc.num_umc unchanged. Signed-off-by: Candice Li <candice.li@amd.com> Reviewed-by: Tao Zhou <tao.zhou1...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c index b719852daa07..1a3cb53d2e0d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c @@ -543,6 +543,7 @@ static void amdgpu_discovery_read_from_ha...
e5eef23e267c72521d81f23f7f82d1f523d4a253
Analyze and fix the following issue in the Linux kernel code: drm/display: Don't block HDR_OUTPUT_METADATA on unknown EOTF
Problem Details: The EDID of an HDR display defines EOTFs that are supported by the display and can be set in the HDR metadata infoframe. Userspace is expected to read the EDID and set an appropriate HDR_OUTPUT_METADATA. In drm_parse_hdr_metadata_block the kernel reads the supported EOTFs from the EDID and stores them...
```diff diff --git a/drivers/gpu/drm/display/drm_hdmi_helper.c b/drivers/gpu/drm/display/drm_hdmi_helper.c index 0264abe55278..faf5e9efa7d3 100644 --- a/drivers/gpu/drm/display/drm_hdmi_helper.c +++ b/drivers/gpu/drm/display/drm_hdmi_helper.c @@ -44,10 +44,8 @@ int drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_in...
bf89b7ee52af5a5944fa3539e86089f72475055b
Analyze and fix the following issue in the Linux kernel code: RISC-V: fix taking the text_mutex twice during sifive errata patching
Problem Details: Chris pointed out that some bonehead, *cough* me *cough*, added two mutex_locks() to the SiFive errata patching. The second was meant to have been a mutex_unlock(). This results in errors such as Unable to handle kernel NULL pointer dereference at virtual address 0000000000000030 Oops [#1] Modules li...
```diff diff --git a/arch/riscv/errata/sifive/errata.c b/arch/riscv/errata/sifive/errata.c index da55cb247e89..31d2ebea4286 100644 --- a/arch/riscv/errata/sifive/errata.c +++ b/arch/riscv/errata/sifive/errata.c @@ -111,7 +111,7 @@ void __init_or_module sifive_errata_patch_func(struct alt_entry *begin, mutex_lock(&t...
bc463201f60803fa6bf2741d59441031cd0910e4
Analyze and fix the following issue in the Linux kernel code: interconnect: qcom: rpm: fix probe child-node error handling
Problem Details: Make sure to clean up and release resources properly also in case probe fails when populating child devices. Fixes: e39bf2972c6e ("interconnect: icc-rpm: Support child NoC device probe") Cc: stable@vger.kernel.org # 5.17 Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org> Signed-off-by: Johan H...
```diff diff --git a/drivers/interconnect/qcom/icc-rpm.c b/drivers/interconnect/qcom/icc-rpm.c index df3196f72536..91778cfcbc65 100644 --- a/drivers/interconnect/qcom/icc-rpm.c +++ b/drivers/interconnect/qcom/icc-rpm.c @@ -541,8 +541,11 @@ regmap_done: platform_set_drvdata(pdev, qp); /* Populate child NoC devices...
174941ed28a3573db075da46d95b4dcf9d4c49c2
Analyze and fix the following issue in the Linux kernel code: interconnect: qcom: osm-l3: fix registration race
Problem Details: The current interconnect provider registration interface is inherently racy as nodes are not added until the after adding the provider. This can specifically cause racing DT lookups to fail: of_icc_xlate_onecell: invalid index 0 cpu cpu0: error -EINVAL: error finding src node cpu cpu0: dev_pm_opp_o...
```diff diff --git a/drivers/interconnect/qcom/osm-l3.c b/drivers/interconnect/qcom/osm-l3.c index 1bc01ff6e02a..1bafb54f1432 100644 --- a/drivers/interconnect/qcom/osm-l3.c +++ b/drivers/interconnect/qcom/osm-l3.c @@ -158,8 +158,8 @@ static int qcom_osm_l3_remove(struct platform_device *pdev) { struct qcom_osm_l3_i...
9fbd35520f1f7f3cbe1873939a27ad9b009f21f9
Analyze and fix the following issue in the Linux kernel code: interconnect: imx: fix registration race
Problem Details: The current interconnect provider registration interface is inherently racy as nodes are not added until the after adding the provider. This can specifically cause racing DT lookups to fail. Switch to using the new API where the provider is not registered until after it has been fully initialised. Fi...
```diff diff --git a/drivers/interconnect/imx/imx.c b/drivers/interconnect/imx/imx.c index 823d9be9771a..979ed610f704 100644 --- a/drivers/interconnect/imx/imx.c +++ b/drivers/interconnect/imx/imx.c @@ -295,6 +295,9 @@ int imx_icc_register(struct platform_device *pdev, provider->xlate = of_icc_xlate_onecell; provid...
eb59eca0d8ac15f8c1b7f1cd35999455a90292c0
Analyze and fix the following issue in the Linux kernel code: interconnect: fix provider registration API
Problem Details: The current interconnect provider interface is inherently racy as providers are expected to be added before being fully initialised. Specifically, nodes are currently not added and the provider data is not initialised until after registering the provider which can cause racing DT lookups to fail. Add...
```diff diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c index cabb6f5df83e..7a24c1444ace 100644 --- a/drivers/interconnect/core.c +++ b/drivers/interconnect/core.c @@ -1033,44 +1033,68 @@ int icc_nodes_remove(struct icc_provider *provider) EXPORT_SYMBOL_GPL(icc_nodes_remove); /** - * icc_prov...
e0e7089bf9a87bc5e3997422e4e24563424f9018
Analyze and fix the following issue in the Linux kernel code: interconnect: fix icc_provider_del() error handling
Problem Details: The interconnect framework currently expects that providers are only removed when there are no users and after all nodes have been removed. There is currently nothing that guarantees this to be the case and the framework does not do any reference counting, but refusing to remove the provider is never ...
```diff diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c index 5217f449eeec..cabb6f5df83e 100644 --- a/drivers/interconnect/core.c +++ b/drivers/interconnect/core.c @@ -1065,18 +1065,8 @@ EXPORT_SYMBOL_GPL(icc_provider_add); void icc_provider_del(struct icc_provider *provider) { mutex_lock(&ic...
a5904f415e1af72fa8fe6665aa4f554dc2099a95
Analyze and fix the following issue in the Linux kernel code: interconnect: fix mem leak when freeing nodes
Problem Details: The node link array is allocated when adding links to a node but is not deallocated when nodes are destroyed. Fixes: 11f1ceca7031 ("interconnect: Add generic on-chip interconnect API") Cc: stable@vger.kernel.org # 5.1 Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org> Signed-off-by: Johan Hovo...
```diff diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c index 0f392f59b135..5217f449eeec 100644 --- a/drivers/interconnect/core.c +++ b/drivers/interconnect/core.c @@ -850,6 +850,10 @@ void icc_node_destroy(int id) mutex_unlock(&icc_lock); + if (!node) + return; + + kfree(node->links); k...
63355b9884b3d1677de6bd1517cd2b8a9bf53978
Analyze and fix the following issue in the Linux kernel code: cpumask: be more careful with 'cpumask_setall()'
Problem Details: Commit 596ff4a09b89 ("cpumask: re-introduce constant-sized cpumask optimizations") changed cpumask_setall() to use "bitmap_set()" instead of "bitmap_fill()", because bitmap_fill() would explicitly set all the bits of a constant sized small bitmap, and that's exactly what we don't want: we want to only ...
```diff diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index ce8eb7ef2107..63d637d18e79 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -518,14 +518,14 @@ static __always_inline bool cpumask_test_and_clear_cpu(int cpu, struct cpumask * /** * cpumask_setall - set all cpus (< nr_c...
920da947af28638bc94bb0012ce8600ba2d06c0e
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix error checking in amdgpu_read_mm_registers for nv
Problem Details: Properly skip non-existent registers as well. Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2442 Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c index d972025f0d20..855d390c41de 100644 --- a/drivers/gpu/drm/amd/amdgpu/nv.c +++ b/drivers/gpu/drm/amd/amdgpu/nv.c @@ -444,9 +444,10 @@ static int nv_read_register(struct amdgpu_device *adev, u32 se_num, *value = 0; for (i = 0; ...
ba137e64191f313eb0e91eeb9a1a2db1b1d5234f
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix error checking in amdgpu_read_mm_registers for soc21
Problem Details: Properly skip non-existent registers as well. Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2442 Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/soc21.c b/drivers/gpu/drm/amd/amdgpu/soc21.c index 620f7409825d..9df2236007ab 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc21.c +++ b/drivers/gpu/drm/amd/amdgpu/soc21.c @@ -291,9 +291,10 @@ static int soc21_read_register(struct amdgpu_device *adev, u32 se_num, *value = 0;...
f651a7b64cec907bd645dd7ce1739fbbe257bceb
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix error checking in amdgpu_read_mm_registers for soc15
Problem Details: Properly skip non-existent registers as well. Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2442 Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index 7cd17dda32ce..2eddd7f6cd41 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -439,8 +439,9 @@ static int soc15_read_register(struct amdgpu_device *adev, u32 se_num, *value = 0; ...
a2c5dd9ec6409821505e0409814cbbf741ca61d9
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix the warning info when removing amdgpu device
Problem Details: Actually, the drm_dev_enter in psp_cmd_submit_buf does not protect anything. If DRM device is unplugged, it will always check the condition in WARN_ON. So drop drm_dev_enter and drm_dev_exit in psp_cmd_submit_buf. When removing amdgpu, the calling order is as follows: amdgpu_pci_remove drm_dev_unp...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index 4c617faaa7c9..02f948adae72 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -603,27 +603,14 @@ psp_cmd_submit_buf(struct psp_context *psp, struct psp_gf...
bd1b5799545ed838651c618c9fbf8fb8b5feeceb
Analyze and fix the following issue in the Linux kernel code: drm/amd/pm: Add PMFW headers for SMU 13.0.6
Problem Details: Initial version of PMFW interface and message headers for SMU 13.0.6 support. v2: squash in location fixes (Alex) v3: squash in updates (Alex) Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu13_driver_if_v13_0_6.h b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu13_driver_if_v13_0_6.h new file mode 100644 index 000000000000..be596777cd2c --- /dev/null +++ b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu13_driver_if_v13_0_6.h @@ -0,0 +1,141 @@ +/* ...
d37a3929ca0363ed1dce02b2772cd5bc547ca66d
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: register a vga_switcheroo client for MacBooks with apple-gmux
Problem Details: Commit 3840c5bcc245 ("drm/amdgpu: disentangle runtime pm and vga_switcheroo") made amdgpu only register a vga_switcheroo client for GPU's with PX, however AMD GPUs in dual gpu Apple Macbooks do need to register, but don't have PX. Instead of AMD's PX, they use apple-gmux. Use apple_gmux_detect() to id...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index c4a4e2fe6681..9bca7e5547c5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -35,6 +35,7 @@ #include <linux/devcoredump.h> #include <generated/ut...
2820433be2a33beb44b13b367e155cf221f29610
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Ensure vmin and vmax adjust for DCE
Problem Details: [Why & How] In the commit 32953485c558 ("drm/amd/display: Do not update DRR while BW optimizations pending"), a modification was added to avoid adjusting DRR if optimized bandwidth is set. This change was only intended for DCN, but one part of the patch changed the code path for DCE devices and caused ...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 05923593ec66..4ac11f169119 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -404,8 +404,9 @@ bool dc_stream_adjust_vmin_vmax(struct dc *dc, * Don't adj...
ab487ea8910d2a84f851cb87f2cb49adcb5b774b
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: fix typo in dc_dsc_config_options structure
Problem Details: [WHY] There is a typo in dc_dsc_config_options structure [HOW] Fix the typo Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com> Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com> Signed-off-by: Mike Hsieh <Mike.Hsieh@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <ale...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dc_dsc.h b/drivers/gpu/drm/amd/display/dc/dc_dsc.h index 81e62a630d78..0e92a322c2ed 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dsc.h +++ b/drivers/gpu/drm/amd/display/dc/dc_dsc.h @@ -57,7 +57,7 @@ struct dc_dsc_policy { struct dc_dsc_config_options { uint32_t d...
11efe095dfe0768f5b248b77a84e5aa748f14204
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix no-DCN build
Problem Details: [Why & How] This fixes a couple misplaced CONFIG_DRM_AMD_DC_DCN blocks. Reviewed-by: Sun peng Li <Sunpeng.Li@amd.com> Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com> Signed-off-by: Harry Wentland <harry.wentland@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <a...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index e10ed2935971..19721941b069 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -1...
0db13eae41fcc67f408dbb3dfda59633c4fa03fb
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Add minimum Z8 residency debug option
Problem Details: [Why] Allows finer control and tuning for debug and profiling. [How] Add the debug option into DC. The default remains the same as before for now. Reviewed-by: Jun Lei <Jun.Lei@amd.com> Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com> Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Te...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index c3814f40a102..f1ea9031a191 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -795,6 +795,7 @@ struct dc_debug_options { unsigned int force_odm_combine; //bit vector based on...
c07edf915ece65ce11a765bf4f9f0a1000bb7a33
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix return value check in kfd
Problem Details: This patch fixes a return value check in kfd doorbell handling. This function should return 0(error) only when the ida_simple_get returns < 0(error), return > 0 is a success case. Cc: Felix Kuehling <Felix.Kuehling@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Fixes: 16f0013157bf ("drm/amdkfd:...
```diff diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c index cd4e61bf0493..3ac599f74fea 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c @@ -280,7 +280,7 @@ phys_addr_t kfd_get_process_doorbells(struct kfd_process_...
4d2c09d68de2acec46fb471f5a358627c9dc3885
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: remove dead code
Problem Details: The less than zero comparison of unsigned variable "value" is never true. Remove dead code. Fixes: c3ed0e72c872 ("drm/amdgpu: added a sysfs interface for thermal throttling") Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c index f212cae0353f..0ffe351c1a1d 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c @@ -1738,7 +1738,7 @@ static ssize_t amdgpu_set_apu_thermal_cap(struct device *dev, if (ret) return ...
7bb3956178e5eaeeab5134cf38e0f057bc2344c2
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Simplify same effect if/else blocks
Problem Details: The if / else block code has same effect irrespective of the logical evaluation. Hence, simply the implementation by removing the unnecessary conditional evaluation. While at it, also fix the long line checkpatch complaint. Issue identified using cond_no_effect.cocci Coccinelle semantic patch script. ...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index e3bfc4bb8341..9b821d78aaaa 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -3569,14 +3569,9 @@ static void commit_planes_for_stream(struct dc *dc, /* ...
2c5e0790a1f9a77892599242bb8bf90027e8ccae
Analyze and fix the following issue in the Linux kernel code: drm/amd: Fix initialization mistake for NBIO 7.3.0
Problem Details: The same strapping initialization issue that happened on NBIO 7.5.1 appears to be happening on NBIO 7.3.0. Apply the same fix to 7.3.0 as well. Note: This workaround relies upon the integrated GPU being enabled in BIOS. If the integrated GPU is disabled in BIOS a different workaround will be required....
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c index 4b0d563c6522..4ef1fa4603c8 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c @@ -382,11 +382,6 @@ static void nbio_v7_2_init_registers(struct amdgpu_device *adev) ...
f999adb7acb7d52aa8e8be0dc75f604d41e51e38
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix call trace warning and hang when removing amdgpu device
Problem Details: On GPUs with RAS enabled, below call trace and hang are observed when shutting down device. v2: use DRM device unplugged flag instead of shutdown flag as the check to prevent memory wipe in shutdown stage. [ +0.000000] RIP: 0010:amdgpu_vram_mgr_fini+0x18d/0x1c0 [amdgpu] [ +0.000001] PKRU: 55555554 [ ...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index e3e1ed4314dd..6c7d672412b2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -1315,7 +1315,7 @@ void amdgpu_bo_release_notify(struct ttm_buffer_obj...
9473b6b25b836573d481c5ee6be0f1bd0fca14ff
Analyze and fix the following issue in the Linux kernel code: drm/amdkfd: Fix BO offset for multi-VMA page migration
Problem Details: svm_migrate_ram_to_vram migrates a prange from sys ram to vram. The prange may cross multiple vma. Need remember current dst vram offset in the TTM resource for each migration. v2: squash in warning fix (Alex) Signed-off-by: Xiaogang Chen <Xiaogang.Chen@amd.com> Reviewed-by: Felix Kuehling <Felix.Kue...
```diff diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c index de8ce72344fc..391da6acb3e5 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c @@ -289,7 +289,7 @@ static unsigned long svm_migrate_unsuccessful_pages(struct mi...
5d65cf6ae6aea1a8d533d4499201a13d0068a0dc
Analyze and fix the following issue in the Linux kernel code: locktorture: Add raw_spinlock* torture tests for PREEMPT_RT kernels
Problem Details: In PREEMPT_RT kernels, both spin_lock() and spin_lock_irq() are converted to sleepable rt_spin_lock(). This means that the interrupt related suffixes for spin_lock/unlock(_irq, irqsave/irqrestore) do not affect the CPU's interrupt state. This commit therefore adds raw spin-lock torture tests. This in...
```diff diff --git a/kernel/locking/locktorture.c b/kernel/locking/locktorture.c index 9425aff08936..153ddc4c47ef 100644 --- a/kernel/locking/locktorture.c +++ b/kernel/locking/locktorture.c @@ -55,7 +55,7 @@ torture_param(int, nested_locks, 0, "Number of nested locks (max = 8)"); /* Going much higher trips "BUG: MAX_...
d70e2ecbc726a0ee794b72365730a8dbc9866080
Analyze and fix the following issue in the Linux kernel code: instrumented.h: Fix all kernel-doc format warnings
Problem Details: Fix 26 kernel-doc notation warnings by converting the function documentation to kernel-doc format. Warning example: instrumented.h:155: warning: Function parameter or member 'to' not described in 'instrument_copy_from_user_after' instrumented.h:155: warning: Function parameter or member 'from' not de...
```diff diff --git a/include/linux/instrumented.h b/include/linux/instrumented.h index 501fa8486749..1b608e00290a 100644 --- a/include/linux/instrumented.h +++ b/include/linux/instrumented.h @@ -15,12 +15,11 @@ /** * instrument_read - instrument regular read access + * @v: address of access + * @size: size of acce...
87eae260995577d203a70d72d46976521a5687e1
Analyze and fix the following issue in the Linux kernel code: docs/mm: hugetlbfs_reserv: fix a reference to a file that doesn't exist
Problem Details: kbuild reports: >> Warning: Documentation/mm/hugetlbfs_reserv.rst references a file that doesn't exist: Documentation/mm/hugetlbpage.rst >> Warning: Documentation/translations/zh_CN/mm/hugetlbfs_reserv.rst references a file that doesn't exist: Documentation/mm/hugetlbpage.rst Fix the filename to be '...
```diff diff --git a/Documentation/mm/hugetlbfs_reserv.rst b/Documentation/mm/hugetlbfs_reserv.rst index 3d05d64de9b4..d9c2b0f01dcd 100644 --- a/Documentation/mm/hugetlbfs_reserv.rst +++ b/Documentation/mm/hugetlbfs_reserv.rst @@ -5,10 +5,10 @@ Hugetlbfs Reservation Overview ======== -Huge pages as described at Doc...
3b80a03d455143cc9135dac86722bbdd079daff3
Analyze and fix the following issue in the Linux kernel code: docs/mm: Physical Memory: fix a reference to a file that doesn't exist
Problem Details: kbuild reports: >> Warning: Documentation/mm/physical_memory.rst references a file that doesn't exist: Documentation/admin-guide/mm/memory_hotplug.rst Fix the filename to be 'Documentation/admin-guide/mm/memory-hotplug.rst'. Reported-by: kernel test robot <lkp@intel.com> Link: https://lore.kernel.or...
```diff diff --git a/Documentation/mm/physical_memory.rst b/Documentation/mm/physical_memory.rst index f9d7ea4b9dca..1bc888d36ea1 100644 --- a/Documentation/mm/physical_memory.rst +++ b/Documentation/mm/physical_memory.rst @@ -66,7 +66,7 @@ one of the types described below. also populated on boot using one of ``kern...
9a9a8fe26751334b7739193a94eba741073b8a55
Analyze and fix the following issue in the Linux kernel code: drm/ttm: Fix a NULL pointer dereference
Problem Details: The LRU mechanism may look up a resource in the process of being removed from an object. The locking rules here are a bit unclear but it looks currently like res->bo assignment is protected by the LRU lock, whereas bo->resource is protected by the object lock, while *clearing* of bo->resource is also p...
```diff diff --git a/drivers/gpu/drm/ttm/ttm_device.c b/drivers/gpu/drm/ttm/ttm_device.c index e7147e304637..b84f74807ca1 100644 --- a/drivers/gpu/drm/ttm/ttm_device.c +++ b/drivers/gpu/drm/ttm/ttm_device.c @@ -158,7 +158,7 @@ int ttm_device_swapout(struct ttm_device *bdev, struct ttm_operation_ctx *ctx, struct ttm...
74596085796fae0cfce3e42ee46bf4f8acbdac55
Analyze and fix the following issue in the Linux kernel code: docs: Correct missing "d_" prefix for dentry_operations member d_weak_revalidate
Problem Details: The details for struct dentry_operations member d_weak_revalidate is missing a "d_" prefix. Fixes: af96c1e304f7 ("docs: filesystems: vfs: Convert vfs.txt to RST") Signed-off-by: Glenn Washburn <development@efficientek.com> Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org> Link: https://lore.k...
```diff diff --git a/Documentation/filesystems/vfs.rst b/Documentation/filesystems/vfs.rst index c53f30251a66..f3b344f0c0a4 100644 --- a/Documentation/filesystems/vfs.rst +++ b/Documentation/filesystems/vfs.rst @@ -1222,7 +1222,7 @@ defined: return -ECHILD and it will be called again in ref-walk mode. -``_weak_re...
dded35acecffe9b6ec881ddd42c6275a38fbfbfc
Analyze and fix the following issue in the Linux kernel code: drm/i915: Fix SKL DDI A digital port .connected()
Problem Details: SKL doesn't have any north DE hotplug stuff. Currently we're trying to read DDI A live state from the BDW north DE bit, instead of the approproate south DE bit. Fix it. And for good measure clear the pointer to the north hpd pin array, so that we'll actually notice if some other place is also using th...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index ad016585f75e..0950bcfea4c0 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -4510,13 +4510,16 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, en...
a98ffd6e333583c9c3f57920c505a37eaf5b2586
Analyze and fix the following issue in the Linux kernel code: drm/i915: Populate dig_port->connected() before connector init
Problem Details: We'll need dig_port->connected() to be there for a HPD live state check during eDP connector probing. Reorder intel_ddi_init() accordingly. g4x_dp_init() is already fine. v2: Fix comment style while at it Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@lin...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 0c58f042cc7e..ad016585f75e 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -4505,23 +4505,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enu...
2b009fa0823c1510700fd17a0780ddd06a460fb4
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: Intel: hda: Unify DAI drv ops for IPC3 and IPC4
Problem Details: Define the post_trigger DMA op for IPC3 and unify the DAI driver ops for IPC3 and IPC4 for HDA DAI's. Also, use the post_trigger op to stop the paused streams properly in the hda_dai_suspend() function. This fixes the suspend while paused case for IPC4 because previously we weren't resetting the pipel...
```diff diff --git a/sound/soc/sof/intel/hda-dai-ops.c b/sound/soc/sof/intel/hda-dai-ops.c index 992c31772593..be109f33715f 100644 --- a/sound/soc/sof/intel/hda-dai-ops.c +++ b/sound/soc/sof/intel/hda-dai-ops.c @@ -277,12 +277,37 @@ static const struct hda_dai_widget_dma_ops hda_ipc4_dma_ops = { .post_trigger = hda_i...
78aedee18a86abb0bb8e31d994467c46656e9b5d
Analyze and fix the following issue in the Linux kernel code: arm64: dts: rockchip: Lower SD card speed on rk3399 Pinebook Pro
Problem Details: MicroSD card slot in the Pinebook Pro is located on a separate daughterboard that's connected to the mainboard using a rather long flat cable. The resulting signal degradation causes many perfectly fine microSD cards not to work in the Pinebook Pro, which is a common source of frustration among the ow...
```diff diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts index 194e48c755f6..54bb0398128f 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts @@ -943,7 +943,7 @@ disable-wp;...
5912b647bd0732ae8c78a6e5b259c82efd177d93
Analyze and fix the following issue in the Linux kernel code: arm64: dts: rockchip: Lower sd speed on rk3566-soquartz
Problem Details: Just like the Quartz64 Model B the previously stated speed of sdr-104 in soquartz is too high for the hardware to reliably communicate with some fast SD cards. Especially on some carrierboards. Lower this to sd-uhs-sdr50 to fix this. Fixes: 5859b5a9c3ac ("arm64: dts: rockchip: add SoQuartz CM4IO dts"...
```diff diff --git a/arch/arm64/boot/dts/rockchip/rk3566-soquartz.dtsi b/arch/arm64/boot/dts/rockchip/rk3566-soquartz.dtsi index ce7165d7f1a1..102e448bc026 100644 --- a/arch/arm64/boot/dts/rockchip/rk3566-soquartz.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3566-soquartz.dtsi @@ -598,7 +598,7 @@ non-removable; pinctr...
94e19f4fbb1efc21cab860723662b3a9228b428f
Analyze and fix the following issue in the Linux kernel code: bus: mhi: ep: Demote unsupported channel error log to debug
Problem Details: Not all MHI endpoints will support all available channels. Most of them support only a selected number of channels based on the implementations. In those cases, it is not needed to print error messages in the endpoint. So let's demote the error log to debug. Reviewed-by: Jeffrey Hugo <quic_jhugo@quici...
```diff diff --git a/drivers/bus/mhi/ep/main.c b/drivers/bus/mhi/ep/main.c index a6a48e515478..600881808982 100644 --- a/drivers/bus/mhi/ep/main.c +++ b/drivers/bus/mhi/ep/main.c @@ -126,7 +126,7 @@ static int mhi_ep_process_cmd_ring(struct mhi_ep_ring *ring, struct mhi_ring_ele /* Check if the channel is supported...
14e05beb10326eeb997ec5ebbf10edf08e85c3f8
Analyze and fix the following issue in the Linux kernel code: wifi: nl80211: convert cfg80211_scan_request allocation to *_size macros
Problem Details: The cfg80211_scan_request structure is followed by a flexible array member as well as several other arrays that are then stored into pointers in the structure. These are allocated currently using a simple sequence of multiplications. Replace the calculations with struct_size(), size_add(), and array_s...
```diff diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 85f714e1af87..0a31b1d2845d 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -9027,7 +9027,7 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) struct nlattr *attr; struct wiphy *wiphy; int er...
2d5bcdcda8799cf21f9ab84598c946dd320207a2
Analyze and fix the following issue in the Linux kernel code: bpf: Increase size of BTF_ID_LIST without CONFIG_DEBUG_INFO_BTF again
Problem Details: After commit 66e3a13e7c2c ("bpf: Add bpf_dynptr_slice and bpf_dynptr_slice_rdwr"), clang builds without CONFIG_DEBUG_INFO_BTF warn: kernel/bpf/verifier.c:10298:24: warning: array index 16 is past the end of the array (that has type 'u32[16]' (aka 'unsigned int[16]')) [-Warray-bounds] ...
```diff diff --git a/include/linux/btf_ids.h b/include/linux/btf_ids.h index 3a4f7cd882ca..00950cc03bff 100644 --- a/include/linux/btf_ids.h +++ b/include/linux/btf_ids.h @@ -204,7 +204,7 @@ extern struct btf_id_set8 name; #else -#define BTF_ID_LIST(name) static u32 __maybe_unused name[16]; +#define BTF_ID_LIST(na...
c22f2ff8724b49dce2ae797e9fbf4bc0fa91112f
Analyze and fix the following issue in the Linux kernel code: drm/sun4i: fix missing component unbind on bind errors
Problem Details: Make sure to unbind all subcomponents when binding the aggregate device fails. Fixes: 9026e0d122ac ("drm: Add Allwinner A10 Display Engine support") Cc: stable@vger.kernel.org # 4.7 Cc: Maxime Ripard <mripard@kernel.org> Signed-off-by: Johan Hovold <johan+linaro@kernel.org> Signed-off-by: Maxime ...
```diff diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c index cc94efbbf2d4..d6c741716167 100644 --- a/drivers/gpu/drm/sun4i/sun4i_drv.c +++ b/drivers/gpu/drm/sun4i/sun4i_drv.c @@ -95,12 +95,12 @@ static int sun4i_drv_bind(struct device *dev) /* drm_vblank_init calls kcalloc, which c...
fd9a2e1d513823e840960cb3bc26d8b7749d4ac2
Analyze and fix the following issue in the Linux kernel code: NFSD: Protect against filesystem freezing
Problem Details: Flole observes this WARNING on occasion: [1210423.486503] WARNING: CPU: 8 PID: 1524732 at fs/ext4/ext4_jbd2.c:75 ext4_journal_check_start+0x68/0xb0 Reported-by: <flole@flole.de> Suggested-by: Jan Kara <jack@suse.cz> Link: https://bugzilla.kernel.org/show_bug.cgi?id=217123 Fixes: 73da852e3831 ("nfsd: ...
```diff diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 21d5209f6e04..ba34a31a7c70 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -1104,7 +1104,9 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct nfsd_file *nf, since = READ_ONCE(file->f_wb_err); if (verf) nfsd_copy_write_verifier(verf, nn)...
428913bce1e67ccb4dae317fd0332545bf8c9233
Analyze and fix the following issue in the Linux kernel code: block: fix wrong mode for blkdev_put() from disk_scan_partitions()
Problem Details: If disk_scan_partitions() is called with 'FMODE_EXCL', blkdev_get_by_dev() will be called without 'FMODE_EXCL', however, follow blkdev_put() is still called with 'FMODE_EXCL', which will cause 'bd_holders' counter to leak. Fix the problem by using the right mode for blkdev_put(). Reported-by: syzbot+...
```diff diff --git a/block/genhd.c b/block/genhd.c index 3ee5577e1586..02d9cfb9e077 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -385,7 +385,7 @@ int disk_scan_partitions(struct gendisk *disk, fmode_t mode) if (IS_ERR(bdev)) ret = PTR_ERR(bdev); else - blkdev_put(bdev, mode); + blkdev_put(bdev, mode & ~F...
20064c47f63e995216e0dfb0a6ea37b653ed534c
Analyze and fix the following issue in the Linux kernel code: spi: Fix cocci warnings
Problem Details: cocci reported warning: !A || A && B is equivalent to !A || B. This fix simplified the condition check to !A || B. Fixes: 76a85704cb91 ("spi: spi-mem: Allow controller supporting mem_ops without exec_op") Reported-by: kernel test robot <lkp@intel.com> Link: https://lore.kernel.org/oe-kbuild-all/202303...
```diff diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 295d02e7f0a8..c725b4bab7af 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -3076,7 +3076,7 @@ static int spi_controller_check_ops(struct spi_controller *ctlr) * If ->mem_ops or ->mem_ops->exec_op is NULL, we request that at least * one of ...