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d8990b5a4d065f38f35d69bcd627ec5a7f8330ca
Analyze and fix the following issue in the Linux kernel code: scsi: target: iscsit: Free cmds before session free
Problem Details: Commands from recovery entries are freed after session has been closed. That leads to use-after-free at command free or NPE with such call trace: Time2Retain timer expired for SID: 1, cleaning up iSCSI session. BUG: kernel NULL pointer dereference, address: 0000000000000140 RIP: 0010:sbitmap_queue_cle...
```diff diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 83b007141229..26634dbea9b8 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -4529,6 +4529,9 @@ int iscsit_close_session(struct iscsit_session *sess, bool can_sleep) iscsit_...
395cee83d02de3073211b04fc85724f4abc663ad
Analyze and fix the following issue in the Linux kernel code: scsi: target: iscsit: Stop/wait on cmds during conn close
Problem Details: This fixes a bug added in commit f36199355c64 ("scsi: target: iscsi: Fix cmd abort fabric stop race"). If we have multiple sessions to the same se_device we can hit a race where a LUN_RESET on one session cleans up the se_cmds from under another session which is being closed. This results in the closi...
```diff diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 11115c207844..83b007141229 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -4245,6 +4245,16 @@ static void iscsit_release_commands_from_conn(struct iscsit_conn *conn) isc...
2ab3991b0b9b57affd26ab116c6e1aab5c1bf8c3
Analyze and fix the following issue in the Linux kernel code: KVM: selftests: Assert that both XTILE{CFG,DATA} are XSAVE-enabled
Problem Details: Assert that both XTILE{CFG,DATA} are written and read back via XSETBV and XGETBV respectively. The original check in amx_test only ensures at least one of the XTILE bits are set, XTILECFG or XTILEDATA, when it really should be checking that both are set. Fixes: bf70636d9443 ("selftest: kvm: Add amx s...
```diff diff --git a/tools/testing/selftests/kvm/x86_64/amx_test.c b/tools/testing/selftests/kvm/x86_64/amx_test.c index 6f788e6d8a8d..e9d31f443192 100644 --- a/tools/testing/selftests/kvm/x86_64/amx_test.c +++ b/tools/testing/selftests/kvm/x86_64/amx_test.c @@ -161,7 +161,7 @@ static void init_regs(void) xcr0 = __xg...
7e1075f050782c4d1249ebb15f63836bc2a94a97
Analyze and fix the following issue in the Linux kernel code: KVM: selftests: Assert that XTILE is XSAVE-enabled
Problem Details: Assert that XTILE is XSAVE-enabled. check_xsave_supports_xtile() doesn't actually check anything since its return value is not used. Add the intended assert. Opportunistically, move the assert to a more appropriate location: immediately after XSETBV and remove check_xsave_supports_xtile(). Fixes: 5dc...
```diff diff --git a/tools/testing/selftests/kvm/x86_64/amx_test.c b/tools/testing/selftests/kvm/x86_64/amx_test.c index e6bc6cd108dc..6f788e6d8a8d 100644 --- a/tools/testing/selftests/kvm/x86_64/amx_test.c +++ b/tools/testing/selftests/kvm/x86_64/amx_test.c @@ -115,11 +115,6 @@ static inline void check_cpuid_xsave(voi...
bec357a4af5579a60eaba6d42f7d3662d4323767
Analyze and fix the following issue in the Linux kernel code: KVM: selftests: Fix an error in comment of amx_test
Problem Details: After the execution of __tilerelease(), AMX component will be in INIT state. Therefore, execution of XSAVEC saving the AMX state into memory will cause the xstate_bv[18] cleared in xheader. However, the xcomp_bv[18] will remain set. Fix the error in comment. Also, update xsavec() to XSAVEC because xcom...
```diff diff --git a/tools/testing/selftests/kvm/x86_64/amx_test.c b/tools/testing/selftests/kvm/x86_64/amx_test.c index 59e0a573652d..c59d7ff0b01d 100644 --- a/tools/testing/selftests/kvm/x86_64/amx_test.c +++ b/tools/testing/selftests/kvm/x86_64/amx_test.c @@ -190,7 +190,10 @@ static void __attribute__((__flatten__))...
8264e85560e5fae942ca42aae1df7daeb5aaa30e
Analyze and fix the following issue in the Linux kernel code: KVM: selftests: Adjust VM's initial stack address to align with SysV ABI spec
Problem Details: Align the guest stack to match calling sequence requirements in section "The Stack Frame" of the System V ABI AMD64 Architecture Processor Supplement, which requires the value (%rsp + 8), NOT %rsp, to be a multiple of 16 when control is transferred to the function entry point. I.e. in a normal function...
```diff diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/testing/selftests/kvm/lib/x86_64/processor.c index c39a4353ba19..c09cd151fbe0 100644 --- a/tools/testing/selftests/kvm/lib/x86_64/processor.c +++ b/tools/testing/selftests/kvm/lib/x86_64/processor.c @@ -5,6 +5,7 @@ * Copyright (C) 2018, G...
d93523877e6f3e34de749dcaef385e5df5d884fd
Analyze and fix the following issue in the Linux kernel code: scsi: hpsa: Remove unused variable transMethod
Problem Details: The variable transMethod is not used. Delete it. drivers/scsi/hpsa.c:9478:16: warning: variable 'transMethod' set but not used. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4554 Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> L...
```diff diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index fec7e17747f7..2f2b46a95102 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -9475,8 +9475,6 @@ static void hpsa_free_performant_mode(struct ctlr_info *h) static int hpsa_put_ctlr_into_performant_mode(struct ctlr_info *h) { u32 trans_s...
4dfb02d5cae80289384c4d3c6ddfbd92d30aced9
Analyze and fix the following issue in the Linux kernel code: xfs: fix mismerged tracepoints
Problem Details: At some point in between sending this patch to the list and merging it into for-next, the tracepoints got all mixed up because I've over-reliant on automated tools not sucking. The end result is that the tracepoints are all wrong, so fix them. Signed-off-by: Darrick J. Wong <djwong@kernel.org>
```diff diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index badc213384a4..203f16c48c19 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -3413,7 +3413,7 @@ xfs_alloc_vextent_start_ag( args->agno = NULLAGNUMBER; args->agbno = NULLAGBLOCK; - trace_xfs_alloc_vextent_first...
55fbae05476df65e5eee8be54f61d0257af0240b
Analyze and fix the following issue in the Linux kernel code: bpf: Check IS_ERR for the bpf_map_get() return value
Problem Details: This patch fixes a mistake in checking NULL instead of checking IS_ERR for the bpf_map_get() return value. It also fixes the return value in link_update_map() from -EINVAL to PTR_ERR(*_map). Reported-by: syzbot+71ccc0fe37abb458406b@syzkaller.appspotmail.com Fixes: 68b04864ca42 ("bpf: Create links for...
```diff diff --git a/kernel/bpf/bpf_struct_ops.c b/kernel/bpf/bpf_struct_ops.c index 6401deca3b56..d3f0a4825fa6 100644 --- a/kernel/bpf/bpf_struct_ops.c +++ b/kernel/bpf/bpf_struct_ops.c @@ -871,8 +871,8 @@ int bpf_struct_ops_link_create(union bpf_attr *attr) int err; map = bpf_map_get(attr->link_create.map_fd); ...
491eafce1a51c457701351a4bf40733799745314
Analyze and fix the following issue in the Linux kernel code: smb3: fix unusable share after force unmount failure
Problem Details: If user does forced unmount ("umount -f") while files are still open on the share (as was seen in a Kubernetes example running on SMB3.1.1 mount) then we were marking the share as "TID_EXITING" in umount_begin() which caused all subsequent operations (except write) to fail ... but unfortunately when um...
```diff diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index cbcf210d56e4..ac9034fce409 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -731,13 +731,16 @@ static void cifs_umount_begin(struct super_block *sb) spin_lock(&tcon->tc_lock); if ((tcon->tc_count > 1) || (tcon->status == TID_EXITING)) { /* we ...
be4fde79812f02914e350bde0bc4cfeae8429378
Analyze and fix the following issue in the Linux kernel code: cifs: fix dentry lookups in directory handle cache
Problem Details: Get rid of any prefix paths in @path before lookup_positive_unlocked() as it will call ->lookup() which already adds those prefix paths through build_path_from_dentry(). This has caused a performance regression when mounting shares with a prefix path where readdir(2) would end up retrying several time...
```diff diff --git a/fs/cifs/cached_dir.c b/fs/cifs/cached_dir.c index 71fabb4c09a4..bfc964b36c72 100644 --- a/fs/cifs/cached_dir.c +++ b/fs/cifs/cached_dir.c @@ -99,6 +99,23 @@ path_to_dentry(struct cifs_sb_info *cifs_sb, const char *path) return dentry; } +static const char *path_no_prefix(struct cifs_sb_info *c...
7e0e76d99079be13c9961dde7c93b2d1ee665af4
Analyze and fix the following issue in the Linux kernel code: smb3: lower default deferred close timeout to address perf regression
Problem Details: Performance tests with large number of threads noted that the change of the default closetimeo (deferred close timeout between when close is done by application and when client has to send the close to the server), to 5 seconds from 1 second, significantly degraded perf in some cases like this (in the ...
```diff diff --git a/fs/cifs/fs_context.h b/fs/cifs/fs_context.h index 1b8d4e27f831..3de00e7127ec 100644 --- a/fs/cifs/fs_context.h +++ b/fs/cifs/fs_context.h @@ -286,5 +286,5 @@ extern void smb3_update_mnt_flags(struct cifs_sb_info *cifs_sb); * max deferred close timeout (jiffies) - 2^30 */ #define SMB3_MAX_DCLOS...
c24bb1a87dc3f2d77d410eaac2c6a295961bf50e
Analyze and fix the following issue in the Linux kernel code: cifs: fix missing unload_nls() in smb2_reconnect()
Problem Details: Make sure to unload_nls() @nls_codepage if we no longer need it. Fixes: bc962159e8e3 ("cifs: avoid race conditions with parallel reconnects") Signed-off-by: Paulo Alcantara (SUSE) <pc@manguebit.com> Cc: Shyam Prasad N <sprasad@microsoft.com> Signed-off-by: Steve French <stfrench@microsoft.com>
```diff diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index a9fb95b7ef82..20af1af34fa5 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -144,7 +144,7 @@ smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon, struct TCP_Server_Info *server) { int rc = 0; - struct nls_table *nls_codepage; +...
f6887a71bdd2f0dcba9b8180dd2223cfa8637e85
Analyze and fix the following issue in the Linux kernel code: ASoC: hdac_hdmi: use set_stream() instead of set_tdm_slots()
Problem Details: hdac_hdmi was not updated to use set_stream() instead of set_tdm_slots() in the original commit so HDMI no longer produces audio. Cc: stable@vger.kernel.org Link: https://lore.kernel.org/regressions/CAJD_bPKQdtaExvVEKxhQ47G-ZXDA=k+gzhMJRHLBe=mysPnuKA@mail.gmail.com/ Fixes: 636110411ca7 ("ASoC: Intel/S...
```diff diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c index ed4f7cdda04f..8b6b76029694 100644 --- a/sound/soc/codecs/hdac_hdmi.c +++ b/sound/soc/codecs/hdac_hdmi.c @@ -436,23 +436,28 @@ static int hdac_hdmi_setup_audio_infoframe(struct hdac_device *hdev, return 0; } -static int hdac_hdmi...
3edf091d5c1241fa191a1d860a3930411fc81d79
Analyze and fix the following issue in the Linux kernel code: Documentation: core-api: update kernel-doc reference to kmod.c
Problem Details: Commit d6f819908f8aac ("module: fold usermode helper kmod into modules directory") moves kmod helper implementation (kmod.c) to kernel/module/ directory but forgets to update its reference on kernel api doc, hence: WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -sphinx-version 2.4.4 -ex...
```diff diff --git a/Documentation/core-api/kernel-api.rst b/Documentation/core-api/kernel-api.rst index 62f961610773..e27728596008 100644 --- a/Documentation/core-api/kernel-api.rst +++ b/Documentation/core-api/kernel-api.rst @@ -223,7 +223,7 @@ Module Support Module Loading -------------- -.. kernel-doc:: kernel/...
33c951f62920d144ca89daa0560180a49afb6f1e
Analyze and fix the following issue in the Linux kernel code: module: already_uses() - reduce pr_debug output volume
Problem Details: already_uses() is unnecessarily chatty. `modprobe i915` yields 491 messages like: [ 64.108744] i915 uses drm! This is a normal situation, and isn't worth all the log entries. NOTE: I've preserved the "does not use %s" messages, which happens less often, but does happen. Its not clear to me wha...
```diff diff --git a/kernel/module/main.c b/kernel/module/main.c index 1d587e5e9cc6..5cc21083af04 100644 --- a/kernel/module/main.c +++ b/kernel/module/main.c @@ -564,10 +564,8 @@ static int already_uses(struct module *a, struct module *b) struct module_use *use; list_for_each_entry(use, &b->source_list, source_l...
66a2301edf313d630c2ece4f3721c5b3402653ee
Analyze and fix the following issue in the Linux kernel code: module: add section-size to move_module pr_debug
Problem Details: move_module() pr_debug's "Final section addresses for $modname". Add section addresses to the message, for anyone looking at these. no functional changes. Signed-off-by: Jim Cromie <jim.cromie@gmail.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
```diff diff --git a/kernel/module/main.c b/kernel/module/main.c index 6567d5a156ae..1d587e5e9cc6 100644 --- a/kernel/module/main.c +++ b/kernel/module/main.c @@ -2281,8 +2281,8 @@ static int move_module(struct module *mod, struct load_info *info) * minted official memory area. */ shdr->sh_addr = (unsigned l...
b10addf37bbcaee66672eb54c15532266c8daea6
Analyze and fix the following issue in the Linux kernel code: module: add symbol-name to pr_debug Absolute symbol
Problem Details: The pr_debug("Absolute symbol" ..) reports value, (which is usually 0), but not the name, which is more informative. So add it. no functional changes Signed-off-by: Jim Cromie <jim.cromie@gmail.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
```diff diff --git a/kernel/module/main.c b/kernel/module/main.c index 3bea679837e0..6567d5a156ae 100644 --- a/kernel/module/main.c +++ b/kernel/module/main.c @@ -1394,8 +1394,8 @@ static int simplify_symbols(struct module *mod, const struct load_info *info) case SHN_ABS: /* Don't need to do anything */ - pr...
73042934e4a30d9f45ff9cb0b3b029a01dbe7130
Analyze and fix the following issue in the Linux kernel code: can: m_can: Remove repeated check for is_peripheral
Problem Details: Merge both if-blocks to fix this. Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Link: https://lore.kernel.org/all/20230315110546.2518305-2-msp@baylibre.com Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
```diff diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index 8e83d6963d85..563625a701fc 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -1592,10 +1592,8 @@ static int m_can_close(struct net_device *dev) cdev->tx_skb = NULL; destroy_workqueue(cdev->tx_w...
3dffd4755f41c4d603f1ae8533c7c8b04ed7f334
Analyze and fix the following issue in the Linux kernel code: arm64: defconfig: Enable Virtio RNG driver as built in
Problem Details: Modern versions of FVP_Base_RevC-2xAEMvA contain a Virtio RNG device, use of which can dramatically speed up the time taken for Linux to initialize its CRNG, from 10s of seconds in some cases, to instant. This improves the debug cycle significantly. However, there are 2 barriers to getting people to u...
```diff diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 6e123de3a9cf..0657fa46b71d 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -463,6 +463,8 @@ CONFIG_VIRTIO_CONSOLE=y CONFIG_IPMI_HANDLER=m CONFIG_IPMI_DEVICE_INTERFACE=m CONFIG_IPMI_SI=m +CONFIG_HW_R...
e57430d2483506f046e39bf8c61159dde88aede2
Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: sm8450: fix pcie1 gpios properties name
Problem Details: Add the final "s" to the pgio properties and fix the invalid "enable" name to the correct "wake", checked against the HDK8450 schematics. Fixes: bc6588bc25fb ("arm64: dts: qcom: sm8450: add PCIe1 root device") Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Signed-off-by: Bjorn Andersson <an...
```diff diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi index 16a1fbb2b9da..08381fd3729d 100644 --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi @@ -1915,8 +1915,8 @@ phys = <&pcie1_lane>; phy-names = "pciephy"; - perst-gpio = <&t...
c98a56395e7854f7975dd8539d0563e0ac7d060e
Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: sm8450: remove invalid power-domain-names in pcie nodes
Problem Details: Fixes the following DT bindings check error: pci@1c00000: Unevaluated properties are not allowed ('power-domain-names' were unexpected) Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20230323-topic-sm8450-...
```diff diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi index d8f18e07383d..16a1fbb2b9da 100644 --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi @@ -1798,7 +1798,6 @@ reset-names = "pci"; power-domains = <&gcc PCIE_0_GDSC>; - powe...
59513714f6659409adf717b0f85e0a6e35480a01
Analyze and fix the following issue in the Linux kernel code: net: wangxun: Fix vector length of interrupt cause
Problem Details: There is 64-bit interrupt cause register for txgbe. Fix to clear upper 32 bits. Fixes: 3f703186113f ("net: libwx: Add irq flow functions") Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Link: https://lore.kernel.org/r/20230322103632.132011-1-jiawenw...
```diff diff --git a/drivers/net/ethernet/wangxun/libwx/wx_type.h b/drivers/net/ethernet/wangxun/libwx/wx_type.h index 77d8d7f1707e..97e2c1e13b80 100644 --- a/drivers/net/ethernet/wangxun/libwx/wx_type.h +++ b/drivers/net/ethernet/wangxun/libwx/wx_type.h @@ -222,7 +222,7 @@ #define WX_PX_INTA 0x110 ...
2a8ec611ac2feef30716066e031a32004e5664d0
Analyze and fix the following issue in the Linux kernel code: tools/memory-model: Use "grep -E" instead of "egrep"
Problem Details: The latest version of grep claims the egrep is now obsolete so the build now contains warnings that look like: egrep: warning: egrep is obsolescent; using grep -E fix this up by moving the related file to use "grep -E" instead. sed -i "s/egrep/grep -E/g" `grep egrep -rwl tools/memory-model` Here a...
```diff diff --git a/tools/memory-model/scripts/checkghlitmus.sh b/tools/memory-model/scripts/checkghlitmus.sh index cedd0290b73f..d3dfb321259f 100755 --- a/tools/memory-model/scripts/checkghlitmus.sh +++ b/tools/memory-model/scripts/checkghlitmus.sh @@ -36,13 +36,13 @@ fi # Create a list of the specified litmus tests...
719bef0cbe7be11a1be3ad30a11cb33959a5435a
Analyze and fix the following issue in the Linux kernel code: tools/memory-model: Use "-unroll 0" to keep --hw runs finite
Problem Details: Litmus tests involving atomic operations produce LL/SC loops on a number of architectures, and unrolling these loops can result in excessive verification times or even stack overflows. This commit therefore uses the "-unroll 0" herd7 argument to avoid unrolling, on the grounds that additional passes t...
```diff diff --git a/tools/memory-model/scripts/runlitmus.sh b/tools/memory-model/scripts/runlitmus.sh index dfdb1f00fcc0..94608d4b6502 100755 --- a/tools/memory-model/scripts/runlitmus.sh +++ b/tools/memory-model/scripts/runlitmus.sh @@ -75,6 +75,6 @@ then cp $T/$hwlitmusfile.jingle7.out $LKMM_DESTDIR/$hwlitmus.err ...
df0f675065bf003c4f182941f62b01b06be97182
Analyze and fix the following issue in the Linux kernel code: tools/memory-model: Add checktheselitmus.sh to run specified litmus tests
Problem Details: This commit adds a checktheselitmus.sh script that runs the litmus tests specified on the command line. This is useful for verifying fixes to specific litmus tests. Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
```diff diff --git a/tools/memory-model/scripts/README b/tools/memory-model/scripts/README index 0e29a52044c1..cc2c4e5be9ec 100644 --- a/tools/memory-model/scripts/README +++ b/tools/memory-model/scripts/README @@ -27,6 +27,14 @@ checklitmushist.sh checklitmus.sh Check a single litmus test against its "Result:" ex...
6e6586b01c32cedc4ddb83dc60911428d6d5f6f1
Analyze and fix the following issue in the Linux kernel code: tools/memory-model: Fix scripting --jobs argument
Problem Details: The parseargs.sh regular expression for the --jobs argument incorrectly requires that the number of jobs be at least 10, that is, have at least two digits. This commit therefore adjusts this regular expression to allow single-digit numbers of jobs to be specified. Signed-off-by: Paul E. McKenney <pau...
```diff diff --git a/tools/memory-model/scripts/parseargs.sh b/tools/memory-model/scripts/parseargs.sh index 5f016fc3f3af..25a81ac0dfdf 100755 --- a/tools/memory-model/scripts/parseargs.sh +++ b/tools/memory-model/scripts/parseargs.sh @@ -113,7 +113,7 @@ do LKMM_JOBS="`echo $njobs | sed -e 's/^\([0-9]\+\).*$/\1/'`" ...
e029374ba8483e1c59243a70bf0926f0ca8f54e2
Analyze and fix the following issue in the Linux kernel code: tools/memory-model: Fix checkalllitmus.sh comment
Problem Details: The checkalllitmus.sh runs litmus tests in the litmus-tests directory, not those in the github archive, so this commit updates the comment to reflect this reality. Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
```diff diff --git a/tools/memory-model/scripts/checkalllitmus.sh b/tools/memory-model/scripts/checkalllitmus.sh index 10e14d94acee..54d8da8c338e 100755 --- a/tools/memory-model/scripts/checkalllitmus.sh +++ b/tools/memory-model/scripts/checkalllitmus.sh @@ -30,8 +30,8 @@ else exit 255 fi -# Create any new directo...
2024436d482eca356840a3aec022bad68f72eb25
Analyze and fix the following issue in the Linux kernel code: tools/memory-model: Make judgelitmus.sh handle hardware verifications
Problem Details: This commit makes the judgelitmus.sh script check the --hw argument (AKA the LKMM_HW_MAP_FILE environment variable) and to adjust its judgment for a run where a C-language litmus test has been translated to assembly and the assembly version verified. In this case, the assembly verification output is c...
```diff diff --git a/tools/memory-model/scripts/README b/tools/memory-model/scripts/README index 095c7eb36f9f..0e29a52044c1 100644 --- a/tools/memory-model/scripts/README +++ b/tools/memory-model/scripts/README @@ -43,10 +43,10 @@ initlitmushist.sh judgelitmus.sh - Given a .litmus file and its .litmus.out herd7 ou...
61f615cc36780fab92974c3ec921281ba44fdaa4
Analyze and fix the following issue in the Linux kernel code: tools/memory-model: Fix paulmck email address on pre-existing scripts
Problem Details: Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
```diff diff --git a/tools/memory-model/scripts/checkalllitmus.sh b/tools/memory-model/scripts/checkalllitmus.sh index 3c0c7fbbd223..10e14d94acee 100755 --- a/tools/memory-model/scripts/checkalllitmus.sh +++ b/tools/memory-model/scripts/checkalllitmus.sh @@ -17,7 +17,7 @@ # # Copyright IBM Corporation, 2018 # -# Aut...
e253a403023488f2ade2845d0e1fd8e0e66befea
Analyze and fix the following issue in the Linux kernel code: tools/memory-model: Make judgelitmus.sh detect hard deadlocks
Problem Details: If a litmus test specifies "Result: Never" and if it contains an unconditional ("hard") deadlock, then running checklitmus.sh on it will not flag any errors, despite the fact that there are no executions. This commit therefore updates judgelitmus.sh to complain about tests with no executions that are m...
```diff diff --git a/tools/memory-model/scripts/judgelitmus.sh b/tools/memory-model/scripts/judgelitmus.sh index d40439c7b71e..84c62eee321b 100755 --- a/tools/memory-model/scripts/judgelitmus.sh +++ b/tools/memory-model/scripts/judgelitmus.sh @@ -83,6 +83,14 @@ then fi ret=1 fi +elif grep '^Observation' $LKMM_D...
283771e8eefcbe4a0a84c6a00a0b7a210bbc5846
Analyze and fix the following issue in the Linux kernel code: ASoC: cs35l56: Remove redundant return statement in cs35l56_spi_probe()
Problem Details: We have unreachable 'return ret' statement in cs35l56_spi_probe(), delete it as its dead code.. This is found by static analysis with smatch. Fixes: e49611252900 ("ASoC: cs35l56: Add driver for Cirrus Logic CS35L56") Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com> Reviewed-by: R...
```diff diff --git a/sound/soc/codecs/cs35l56-spi.c b/sound/soc/codecs/cs35l56-spi.c index 80dcf37daae2..4b2084e85f29 100644 --- a/sound/soc/codecs/cs35l56-spi.c +++ b/sound/soc/codecs/cs35l56-spi.c @@ -29,7 +29,6 @@ static int cs35l56_spi_probe(struct spi_device *spi) if (IS_ERR(cs35l56->regmap)) { ret = PTR_ERR(...
2d0ab14634a26e54f8d6d231b47b7ef233e84599
Analyze and fix the following issue in the Linux kernel code: ACPI: resource: Add Medion S17413 to IRQ override quirk
Problem Details: Add DMI info of the Medion S17413 (board M1xA) to the IRQ override quirk table. This fixes the keyboard not working on these laptops. Link: https://bugzilla.kernel.org/show_bug.cgi?id=213031 Signed-off-by: Aymeric Wibo <obiwac@gmail.com> [ rjw: Fixed up white space ] Signed-off-by: Rafael J. Wysocki <...
```diff diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index 7c9125df5a65..7b4801ce62d6 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -400,6 +400,13 @@ static const struct dmi_system_id medion_laptop[] = { DMI_MATCH(DMI_BOARD_NAME, "M17T"), }, }, + { + .ident = "MEDION ...
86e11e30120387cb5c24bdb3a169a2135973a0a8
Analyze and fix the following issue in the Linux kernel code: drm/i915/perf: Wa_14017512683: Disable OAM if media C6 is enabled in BIOS
Problem Details: OAM does not work with media C6 enabled on some steppings of MTL. Disable OAM if we detect that media C6 was enabled in bios. v2: (Ashutosh) - Remove drm_notice from the driver load path - Log a drm_err when opening an OAM stream on affected steppings v3: - Initialize the engine group even if mc6 is ...
```diff diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 18afa76653b7..c035dbb84c9b 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -209,6 +209,7 @@ #include "gt/intel_gt_regs.h" #include "gt/intel_lrc.h" #include "gt/intel_lrc_reg.h" +#in...
1cc064dce4ed0ff111b6d6cb06b3cccf1cba29f5
Analyze and fix the following issue in the Linux kernel code: drm/i915/perf: Add support for OA media units
Problem Details: MTL introduces additional OA units dedicated to media use cases. Add support for programming these OA units by passing the media engine class and instance parameters. UMD specific changes for GPUvis support: https://patchwork.freedesktop.org/patch/522827/?series=114023 https://patchwork.freedesktop.or...
```diff diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index eaf738698149..d796bdf41af9 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -905,6 +905,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, (INTEL_INFO(dev_priv)->has_oa_bpc_reporting...
0dd8316037a2a6d85b2be208bef9991de7b42170
Analyze and fix the following issue in the Linux kernel code: mmc: sdhci-of-esdhc: fix quirk to ignore command inhibit for data
Problem Details: If spec_reg is equal to 'SDHCI_PRESENT_STATE', esdhc_readl_fixup() fixes up register value and returns it immediately. As a result, the further block (spec_reg == SDHCI_PRESENT_STATE) &&(esdhc->quirk_ignore_data_inhibit == true), is never executed. The patch merges the second block into the first ...
```diff diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index 4712adac7f7c..48ca1cf15b19 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -133,6 +133,7 @@ static u32 esdhc_readl_fixup(struct sdhci_host *host, return ret; } } + /* ...
9919d119fbbc913c2459b093eb81fe8197906424
Analyze and fix the following issue in the Linux kernel code: drm/i915/perf: Validate OA sseu config outside switch
Problem Details: Once OA supports media engine class:instance, the engine can only be validated outside the switch since class and instance parameters are separate entities. Since OA sseu config depends on engine class:instance, validate OA sseu config outside the switch. v2: (Ashutosh) - Clarify commit message - Use ...
```diff diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 283a4a3c6862..ebd76b5c9712 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -3940,7 +3940,9 @@ static int read_properties_unlocked(struct i915_perf *perf, u32 n_props, ...
3735040978a43c25a19aa8015ab1a50dffe48f79
Analyze and fix the following issue in the Linux kernel code: drm/i915/mtl: Synchronize i915/BIOS on C6 enabling
Problem Details: If BIOS enables/disables C6, i915 should do the same. Also, retain this value across driver reloads. This is needed only for MTL as of now due to an existing bug in OA which needs C6 disabled for it to function. BIOS behavior is also different across platforms in terms of how C6 is enabled. Signed-off...
```diff diff --git a/drivers/gpu/drm/i915/gt/intel_rc6.c b/drivers/gpu/drm/i915/gt/intel_rc6.c index 6184fcc16987..fe788014b6fa 100644 --- a/drivers/gpu/drm/i915/gt/intel_rc6.c +++ b/drivers/gpu/drm/i915/gt/intel_rc6.c @@ -420,6 +420,21 @@ static void vlv_rc6_enable(struct intel_rc6 *rc6) GEN7_RC_CTL_TO_MODE | VL...
2810ac6c753d17ee2572ffb57fe2382a786a080a
Analyze and fix the following issue in the Linux kernel code: drm/i915/perf: Drop wakeref on GuC RC error
Problem Details: If we fail to adjust the GuC run-control on opening the perf stream, make sure we unwind the wakeref just taken. v2: Retain old goto label names (Ashutosh) v3: Drop bitfield boolean Fixes: 01e742746785 ("drm/i915/guc: Support OA when Wa_16011777198 is enabled") Signed-off-by: Chris Wilson <chris.p.wi...
```diff diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 824a34ec0b83..283a4a3c6862 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -1592,9 +1592,7 @@ static void i915_oa_stream_destroy(struct i915_perf_stream *stream) /* * Wa_1601177719...
e2e63b071b2da53ad6a154e34c387bb064137f74
Analyze and fix the following issue in the Linux kernel code: xfs: clear incore AGFL_RESET state if it's not needed
Problem Details: Prior to commit 7ac2ff8bb371, when we loaded the incore perag structure with information from the AGF header, we would set or clear the pagf_agfl_reset field based on whether or not the AGFL list was misaligned within the block. IOWs, it's an incore state bit that's supposed to cache something in the ...
```diff diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index 55ae08a6144c..badc213384a4 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -3045,6 +3045,8 @@ xfs_alloc_read_agf( pag->pagf_refcount_level = be32_to_cpu(agf->agf_refcount_level); if (xfs_agfl_needs_reset(pag...
fcde88af6a783d32e735dd2615528e2bf7a0f533
Analyze and fix the following issue in the Linux kernel code: xfs: pass the correct cursor to xfs_iomap_prealloc_size
Problem Details: In xfs_buffered_write_iomap_begin, @icur is the iext cursor for the data fork and @ccur is the cursor for the cow fork. Pass in whichever cursor corresponds to allocfork, because otherwise the xfs_iext_prev_extent call can use the data fork cursor to walk off the end of the cow fork structure. Best c...
```diff diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 69dbe7814128..285885c308bd 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -1090,9 +1090,12 @@ xfs_buffered_write_iomap_begin( */ if (xfs_has_allocsize(mp)) prealloc_blocks = mp->m_allocsize_blocks; - else + else if (allocfork =...
f6baabdcadd1080893aa5e49e6959cb070244703
Analyze and fix the following issue in the Linux kernel code: KVM: selftests: Fix nsec to sec conversion in demand_paging_test
Problem Details: demand_paging_test uses 1E8 as the denominator to convert nanoseconds to seconds, which is wrong. Use NSEC_PER_SEC instead to fix the issue and make the conversion obvious. Reported-by: James Houghton <jthoughton@google.com> Signed-off-by: Anish Moorthy <amoorthy@google.com> Reviewed-by: Oliver Upton ...
```diff diff --git a/tools/testing/selftests/kvm/demand_paging_test.c b/tools/testing/selftests/kvm/demand_paging_test.c index b0e1fc4de9e2..2439c4043fed 100644 --- a/tools/testing/selftests/kvm/demand_paging_test.c +++ b/tools/testing/selftests/kvm/demand_paging_test.c @@ -194,7 +194,7 @@ static void run_test(enum vm_...
b0d237087c674c43df76c1a0bc2737592f3038f4
Analyze and fix the following issue in the Linux kernel code: KVM: Fix comments that refer to the non-existent install_new_memslots()
Problem Details: Fix stale comments that were left behind when install_new_memslots() was replaced by kvm_swap_active_memslots() as part of the scalable memslots rework. Fixes: a54d806688fe ("KVM: Keep memslots in tree-based structures instead of array-based ones") Signed-off-by: Jun Miao <jun.miao@intel.com> Link: ht...
```diff diff --git a/Documentation/virt/kvm/locking.rst b/Documentation/virt/kvm/locking.rst index 14c4e9fa501d..8c77554e4896 100644 --- a/Documentation/virt/kvm/locking.rst +++ b/Documentation/virt/kvm/locking.rst @@ -21,7 +21,7 @@ The acquisition orders for mutexes are as follows: - kvm->mn_active_invalidate_count e...
779cb5ba64ec7df80675a956c9022929514f517a
Analyze and fix the following issue in the Linux kernel code: drm/i915/dpt: Treat the DPT BO as a framebuffer
Problem Details: Currently i915_gem_object_is_framebuffer() doesn't treat the BO containing the framebuffer's DPT as a framebuffer itself. This means eg. that the shrinker can evict the DPT BO while leaving the actual FB BO bound, when the DPT is allocated from regular shmem. That causes an immediate oops during hiber...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_dpt.c b/drivers/gpu/drm/i915/display/intel_dpt.c index ad1a37b515fb..2a9f40a2b3ed 100644 --- a/drivers/gpu/drm/i915/display/intel_dpt.c +++ b/drivers/gpu/drm/i915/display/intel_dpt.c @@ -301,6 +301,7 @@ intel_dpt_create(struct intel_framebuffer *fb) vm->pte_enco...
5f5ac460dfe7f4e11f99de9870f240e39189cf72
Analyze and fix the following issue in the Linux kernel code: PCI: imx6: Install the fault handler only on compatible match
Problem Details: commit bb38919ec56e ("PCI: imx6: Add support for i.MX6 PCIe controller") added a fault hook to this driver in the probe function. So it was only installed if needed. commit bde4a5a00e76 ("PCI: imx6: Allow probe deferral by reset GPIO") moved it from probe to driver init which installs the hook uncondi...
```diff diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index 55a0405b921d..52906f999f2b 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -1566,6 +1566,13 @@ DECLARE_PCI_FIXUP_CLASS_HEADER(PCI_VENDOR_ID_SYNOPSYS, 0xabcd, static...
72383ed78c1c01d36612ca5c6fdd2f35fd859bbd
Analyze and fix the following issue in the Linux kernel code: wifi: carl9170: Fix multiple -Warray-bounds warnings
Problem Details: GCC (and Clang)[1] does not like having a partially allocated object, since it cannot reason about it for bounds checking. Instead, fully allocate struct carl9170_cmd. Fix the following warnings Seen under GCC 13: drivers/net/wireless/ath/carl9170/cmd.c:125:30: warning: array subscript ‘struct carl917...
```diff diff --git a/drivers/net/wireless/ath/carl9170/cmd.c b/drivers/net/wireless/ath/carl9170/cmd.c index f2b4f537e4c1..b8ed193c0195 100644 --- a/drivers/net/wireless/ath/carl9170/cmd.c +++ b/drivers/net/wireless/ath/carl9170/cmd.c @@ -120,7 +120,7 @@ struct carl9170_cmd *carl9170_cmd_buf(struct ar9170 *ar, { str...
392b6b76fd3940ba9978ecd8fe30d9ed979d3bf7
Analyze and fix the following issue in the Linux kernel code: wifi: ath12k: fix incorrect handling of AMSDU frames
Problem Details: When a data traffic with size greater than 1500 is initiated, say size 65500, it is sent as a set of AMSDUs (3 MSDUs) in a MPDU. These AMSDUs are incorrectly classified as multicast and peer id gets changed, except for first msdu, because of mcast_bcast bit derived from rx_desc for every msdu received...
```diff diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.c b/drivers/net/wireless/ath/ath12k/dp_rx.c index b368494071ea..e78478a5b978 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.c +++ b/drivers/net/wireless/ath/ath12k/dp_rx.c @@ -196,7 +196,8 @@ static void ath12k_dp_rxdesc_set_msdu_len(struct ath12k_base *ab,...
e93bbd65547ea8073b707c9034c3f051f8018614
Analyze and fix the following issue in the Linux kernel code: wifi: ath12k: fix packets are sent in native wifi mode while we set raw mode
Problem Details: Currently, if we set raw mode as encap type, packets are sent in native wifi mode which is default mode. This is caused by no check being present for raw mode in ath12k_dp_tx_get_encap_type function, so it's always going in native wifi mode. Fix, this issue by adding check condition for raw mode. Tes...
```diff diff --git a/drivers/net/wireless/ath/ath12k/dp_tx.c b/drivers/net/wireless/ath/ath12k/dp_tx.c index fd8d850f9818..d3c7c76d6b75 100644 --- a/drivers/net/wireless/ath/ath12k/dp_tx.c +++ b/drivers/net/wireless/ath/ath12k/dp_tx.c @@ -13,6 +13,10 @@ static enum hal_tcl_encap_type ath12k_dp_tx_get_encap_type(struct...
4b50d4205207ab706b3ecd0d122c014845b8e1f0
Analyze and fix the following issue in the Linux kernel code: wifi: ath12k: fill peer meta data during reo_reinject
Problem Details: Firmware expects physical address in the reo entrance ring when MLO is enabled and peer meta data in the queue_addr_lo for the non MLO cases. Current implementation fills the physical address for the non MLO cases and firmware decodes it differently which leads to SOC CSR region access which is not rel...
```diff diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.c b/drivers/net/wireless/ath/ath12k/dp_rx.c index 0adcbcfa0db5..b368494071ea 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.c +++ b/drivers/net/wireless/ath/ath12k/dp_rx.c @@ -3047,10 +3047,14 @@ static int ath12k_dp_rx_h_defrag_reo_reinject(struct ath12k *...
d649c638dc26f3501da510cf7fceb5c15ca54258
Analyze and fix the following issue in the Linux kernel code: RDMA/erdma: Use fixed hardware page size
Problem Details: Hardware's page size is 4096, but the kernel's page size may vary. Driver should use hardware's page size when communicating with hardware. Fixes: 155055771704 ("RDMA/erdma: Add verbs implementation") Link: https://lore.kernel.org/r/20230307102924.70577-2-chengyou@linux.alibaba.com Signed-off-by: Chen...
```diff diff --git a/drivers/infiniband/hw/erdma/erdma_hw.h b/drivers/infiniband/hw/erdma/erdma_hw.h index 4c38d99c73f1..56e0c7a3e8f8 100644 --- a/drivers/infiniband/hw/erdma/erdma_hw.h +++ b/drivers/infiniband/hw/erdma/erdma_hw.h @@ -112,6 +112,10 @@ #define ERDMA_PAGE_SIZE_SUPPORT 0x7FFFF000 +/* Hardware page si...
f455a1bc972cefc4bf2dbf1bf37a36bb51a5f7e7
Analyze and fix the following issue in the Linux kernel code: RDMA/rxe: Make tasks schedule each other
Problem Details: Replace rxe_run_task() by rxe_sched_task() when tasks call each other. These are not performance critical and mainly involve error paths but they run the risk of causing deadlocks. Link: https://lore.kernel.org/r/20230304174533.11296-8-rpearsonhpe@gmail.com Signed-off-by: Ian Ziemba <ian.ziemba@hpe.co...
```diff diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c index 7aa8e90bdfe4..2c70cdcd55dc 100644 --- a/drivers/infiniband/sw/rxe/rxe_comp.c +++ b/drivers/infiniband/sw/rxe/rxe_comp.c @@ -322,7 +322,7 @@ static inline enum comp_state check_ack(struct rxe_qp *qp, qp->comp.psn...
a246aa2e8a6d8919462b7ffe550cbe51d2894152
Analyze and fix the following issue in the Linux kernel code: RDMA/rxe: Remove qp reference counting in tasks
Problem Details: Currently each of the three tasklets requester, completer and responder in the rxe driver take and release a reference to the qp argument at the beginning and end of the subroutines. The caller passing in the qp argument should be responsible for holding a reference to qp so these are not required. Fur...
```diff diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c index f7ab0dfe1034..7aa8e90bdfe4 100644 --- a/drivers/infiniband/sw/rxe/rxe_comp.c +++ b/drivers/infiniband/sw/rxe/rxe_comp.c @@ -619,9 +619,6 @@ int rxe_completer(struct rxe_qp *qp) enum comp_state state; int ret; - ...
ad44ac082fdff7ee57fe125432f7d9d7cb610a23
Analyze and fix the following issue in the Linux kernel code: regulator: qcom-rpmh: Revert "regulator: qcom-rpmh: Use PROBE_FORCE_SYNCHRONOUS"
Problem Details: This reverts commit 58973046c1bf ("regulator: qcom-rpmh: Use PROBE_FORCE_SYNCHRONOUS"). Further digging into the problems that prompted the us to switch to synchronous probe showed that the root cause was a missing "rootwait" in the kernel command line arguments. Let's reinstate asynchronous probe. Fi...
```diff diff --git a/drivers/regulator/qcom-rpmh-regulator.c b/drivers/regulator/qcom-rpmh-regulator.c index 903032b2875f..4826d60e5d95 100644 --- a/drivers/regulator/qcom-rpmh-regulator.c +++ b/drivers/regulator/qcom-rpmh-regulator.c @@ -1462,7 +1462,7 @@ MODULE_DEVICE_TABLE(of, rpmh_regulator_match_table); static st...
37b58becc1cee4d591024f2056d7ffa99c6089e0
Analyze and fix the following issue in the Linux kernel code: ASoC: soc-compress: Inherit atomicity from DAI link for Compress FE
Problem Details: After commit bbf7d3b1c4f40 ("ASoC: soc-pcm: align BE 'atomicity' with that of the FE") BE and FE atomicity must match. In the case of Compress PCM there is a mismatch in atomicity between FE and BE and we get errors like this: [ 36.434566] sai1-wm8960-hifi: dpcm_be_connect: FE is atomic but BE is ...
```diff diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c index 554c329ec87f..6e74a6c48986 100644 --- a/sound/soc/soc-compress.c +++ b/sound/soc/soc-compress.c @@ -615,6 +615,9 @@ int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num) return ret; } + /* inherit atomicity from DAI li...
bc962159e8e326af634a506508034a375bf2b858
Analyze and fix the following issue in the Linux kernel code: cifs: avoid race conditions with parallel reconnects
Problem Details: When multiple processes/channels do reconnects in parallel we used to return success immediately negotiate/session-setup/tree-connect, causing race conditions between processes that enter the function in parallel. This caused several errors related to session not found to show up during parallel reconn...
```diff diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index f42cc7077312..c3162ef9c9e9 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -212,31 +212,42 @@ cifs_mark_tcp_ses_conns_for_reconnect(struct TCP_Server_Info *server, cifs_chan_update_iface(ses, server); spin_lock(&ses->chan_lock); - if (...
0146878cf299174ec39cdd2340c19a528794d881
Analyze and fix the following issue in the Linux kernel code: ALSA: pcm: Improved XRUN handling for indirect PCM helpers
Problem Details: As PCM ack callback may handle the XRUN situation gracefully now, change the indirect PCM helpers to give a proper error (-EPIPE). Also, change the pointer callback helpers to deal with the XRUN error properly, too. This requires the PCM core change by the commit 8c721c53dda5 ("ALSA: usb-audio: Fix re...
```diff diff --git a/include/sound/pcm-indirect.h b/include/sound/pcm-indirect.h index 04127686e8d0..98e06ea73b2b 100644 --- a/include/sound/pcm-indirect.h +++ b/include/sound/pcm-indirect.h @@ -44,7 +44,7 @@ snd_pcm_indirect_playback_transfer(struct snd_pcm_substream *substream, if (diff < -(snd_pcm_sframes_t) (run...
a9fb3287211e64b94ceb2b6b4791cc2b829d0d56
Analyze and fix the following issue in the Linux kernel code: RDMA/rxe: Change rxe_dbg to rxe_dbg_dev
Problem Details: Replace the name rxe_dbg with rxe_dbg_dev which better matches the remaining rxe_dbg_xxx macros for debug messages with a rxe device parameter. Reuse the name rxe_dbg for debug messages which do not have a rxe device parameter. Link: https://lore.kernel.org/r/20230303221623.8053-3-rpearsonhpe@gmail.co...
```diff diff --git a/drivers/infiniband/sw/rxe/rxe.c b/drivers/infiniband/sw/rxe/rxe.c index a3f05fdd9fac..d57ba7a5964b 100644 --- a/drivers/infiniband/sw/rxe/rxe.c +++ b/drivers/infiniband/sw/rxe/rxe.c @@ -187,7 +187,7 @@ static int rxe_newlink(const char *ibdev_name, struct net_device *ndev) rxe = rxe_get_dev_from_...
9168d125ea032ad199275193493c13cb077da5cc
Analyze and fix the following issue in the Linux kernel code: RDMA/rxe: Replace exists by rxe in rxe.c
Problem Details: 'exists' looks like a boolean. This patch replaces it by the normal name used for the rxe device, 'rxe', which should be a little less confusing. The second rxe_dbg() message is incorrect since rxe is known to be NULL and this will cause a seg fault if this message were ever sent. Replace it by pr_debu...
```diff diff --git a/drivers/infiniband/sw/rxe/rxe.c b/drivers/infiniband/sw/rxe/rxe.c index 136c2efe3466..a3f05fdd9fac 100644 --- a/drivers/infiniband/sw/rxe/rxe.c +++ b/drivers/infiniband/sw/rxe/rxe.c @@ -175,7 +175,7 @@ int rxe_add(struct rxe_dev *rxe, unsigned int mtu, const char *ibdev_name) static int rxe_newl...
14aed8ea48e2f5c710ab678e1ba32b9f398d40b2
Analyze and fix the following issue in the Linux kernel code: drm/bridge: ps8640: Return NULL immediately when EDID read fail
Problem Details: drm_edid_read returns NULL on error, so feeding it directly into drm_edid_duplicate may lead to NULL pointer dereference. Add a check to guard this. Fixes: 6a17b4d1b52f ("drm/bridge: ps8640: Add a cache for EDID") Signed-off-by: Pin-yen Lin <treapking@chromium.org> Signed-off-by: Douglas Anderson <dia...
```diff diff --git a/drivers/gpu/drm/bridge/parade-ps8640.c b/drivers/gpu/drm/bridge/parade-ps8640.c index cddbfe91f75e..b823e55650b1 100644 --- a/drivers/gpu/drm/bridge/parade-ps8640.c +++ b/drivers/gpu/drm/bridge/parade-ps8640.c @@ -543,6 +543,7 @@ static struct edid *ps8640_bridge_get_edid(struct drm_bridge *bridge,...
7c3650a8007c43bc1a60d8bdb4cdbea3ad9a7dd4
Analyze and fix the following issue in the Linux kernel code: HID: hid-sensor-custom: Fix buffer overrun in device name
Problem Details: On some platforms there are some platform devices created with invalid names. For example: "HID-SENSOR-INT-020b?.39.auto" instead of "HID-SENSOR-INT-020b.39.auto" This string include some invalid characters, hence it will fail to properly load the driver which will handle this custom sensor. Also it i...
```diff diff --git a/drivers/hid/hid-sensor-custom.c b/drivers/hid/hid-sensor-custom.c index 3e3f89e01d81..d85398721659 100644 --- a/drivers/hid/hid-sensor-custom.c +++ b/drivers/hid/hid-sensor-custom.c @@ -940,7 +940,7 @@ hid_sensor_register_platform_device(struct platform_device *pdev, struct hid_sensor_hub_...
1dc40551f206d20b7e46ea7dd538dcdd928451c6
Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: ipq8074-hk10: enable QMP device, not the PHY node
Problem Details: Correct PCIe PHY enablement to refer the QMP device nodes rather than PHY device nodes. QMP nodes have 'status = "disabled"' property in the ipq8074.dtsi, while PHY nodes do not correspond to the actual device and do not have the status property. Fixes: 1ed34da63a37 ("arm64: dts: qcom: Add board suppo...
```diff diff --git a/arch/arm64/boot/dts/qcom/ipq8074-hk10.dtsi b/arch/arm64/boot/dts/qcom/ipq8074-hk10.dtsi index 651a231554e0..1b8379ba87f9 100644 --- a/arch/arm64/boot/dts/qcom/ipq8074-hk10.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq8074-hk10.dtsi @@ -48,11 +48,11 @@ perst-gpios = <&tlmm 61 GPIO_ACTIVE_LOW>; }; -&p...
72630ba422b70ea0874fc90d526353cf71c72488
Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: ipq8074-hk01: enable QMP device, not the PHY node
Problem Details: Correct PCIe PHY enablement to refer the QMP device nodes rather than PHY device nodes. QMP nodes have 'status = "disabled"' property in the ipq8074.dtsi, while PHY nodes do not correspond to the actual device and do not have the status property. Fixes: e8a7fdc505bb ("arm64: dts: ipq8074: qcom: Re-arr...
```diff diff --git a/arch/arm64/boot/dts/qcom/ipq8074-hk01.dts b/arch/arm64/boot/dts/qcom/ipq8074-hk01.dts index ca3f96646b90..5cf07caf4103 100644 --- a/arch/arm64/boot/dts/qcom/ipq8074-hk01.dts +++ b/arch/arm64/boot/dts/qcom/ipq8074-hk01.dts @@ -62,11 +62,11 @@ perst-gpios = <&tlmm 58 GPIO_ACTIVE_LOW>; }; -&pcie_...
ab76c891a687ae871f7e76dbf9bc3a0e32b53423
Analyze and fix the following issue in the Linux kernel code: ASoC: cs35l56: Fix an unsigned comparison which can never be negative
Problem Details: The variable 'rv' is defined as unsigned type, so the following if statement is invalid, we can modify the type of rv to int. if (rv < 0) { dev_err(cs35l56->dev, "irq: failed to get pm_runtime: %d\n", rv); goto err_unlock; } ./sound/soc/codecs/cs35l56.c:333:5-7: WARNING: Unsigned expression compar...
```diff diff --git a/sound/soc/codecs/cs35l56.c b/sound/soc/codecs/cs35l56.c index 90fc79b5666d..d97b465f0d3c 100644 --- a/sound/soc/codecs/cs35l56.c +++ b/sound/soc/codecs/cs35l56.c @@ -321,7 +321,9 @@ irqreturn_t cs35l56_irq(int irq, void *data) struct cs35l56_private *cs35l56 = data; unsigned int status1 = 0, st...
9369239e8d8b3e91eaa61bca4a546ff7d67bc8bc
Analyze and fix the following issue in the Linux kernel code: EDAC/amd64: Rename f17h_determine_edac_ctl_cap()
Problem Details: ...to match the "umc_" prefix convention. No functional change is intended. Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Link: https://lore.kernel.org/r/20230127170419.1824692-19-yazen.ghannam@amd.com
```diff diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 261a6f662f2a..d116d3ccb309 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -3586,7 +3586,7 @@ static bool umc_ecc_enabled(struct amd64_pvt *pvt) } static inline void -f17h_determine_edac_ctl_cap(struct mem_ctl...
9a97a7f4d7b26cb61cdbb328b9d8982d94c99170
Analyze and fix the following issue in the Linux kernel code: EDAC/amd64: Rework hw_info_{get,put}
Problem Details: The bulk of system-specific information is gathered at init time with hw_info_get(). This function calls a number of helper functions, and many of these helper functions are split between a modern UMC/DF path and a legacy DCT path. Split hw_info_get() into legacy and modern versions. This creates two ...
```diff diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index ac64d27387c8..d2a9793c097e 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -3045,9 +3045,6 @@ log_error: static int reserve_mc_sibling_devs(struct amd64_pvt *pvt, u16 pci_id1, u16 pci_id2) { - if (pvt->umc) - ...
ed623d55eef46d0ca7557b9665b4693931bfb507
Analyze and fix the following issue in the Linux kernel code: EDAC/amd64: Merge struct amd64_family_type into struct amd64_pvt
Problem Details: Future AMD systems will support heterogeneous "AMD Node" types, e.g. CPU and GPU types. Therefore, a global family type shared across all AMD nodes is no longer appropriate. Move struct low_ops routines and members of struct amd64_family_type to struct amd64_pvt. Currently, there are many code branch...
```diff diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index bd0af17a318d..ac64d27387c8 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -13,11 +13,9 @@ module_param(ecc_enable_override, int, 0644); static struct msr __percpu *msrs; -static struct amd64_family_type *fam...
00e4feb8c0476bbde3c8bf4a593e0f82ca9a4df6
Analyze and fix the following issue in the Linux kernel code: EDAC/amd64: Rename debug_display_dimm_sizes()
Problem Details: Use the "dct" and "umc" prefixes for legacy and modern versions respectively. Also, move the "dct" version to avoid a forward declaration, and fixup some checkpatch warnings in the process. Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Link: ...
```diff diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 5b42533f306a..31166f3b391e 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -1291,7 +1291,65 @@ static unsigned long determine_edac_cap(struct amd64_pvt *pvt) return edac_cap; } -static void debug_display_dimm...
2af3b2a631b194a43551ce119cb71559d8f6b54b
Analyze and fix the following issue in the Linux kernel code: mac80211_hwsim: add PMSR report support via virtio
Problem Details: PMSR (a.k.a. peer measurement) is generalized measurement between two devices with Wi-Fi support. And currently FTM (a.k.a. fine time measurement or flight time measurement) is the one and only measurement. Add the necessary functionality to allow mac80211_hwsim to report PMSR result. The result would...
```diff diff --git a/drivers/net/wireless/virtual/mac80211_hwsim.c b/drivers/net/wireless/virtual/mac80211_hwsim.c index f04fb92dde2e..f446d8f6e1f6 100644 --- a/drivers/net/wireless/virtual/mac80211_hwsim.c +++ b/drivers/net/wireless/virtual/mac80211_hwsim.c @@ -752,6 +752,11 @@ struct hwsim_radiotap_ack_hdr { __le16...
083a7e87e1e45506420c96a2fadf2e66da6877e2
Analyze and fix the following issue in the Linux kernel code: crypto: hash - Fix kdoc errors about HASH_ALG_COMMON
Problem Details: The HASH_ALG_COMMON macro cannot be parsed by kdoc so mark it as a normal comment instead of kdoc. Also add HASH_ALG_COMMON as a structure member of shash_alg. Fixes: 0e4e6d7094df ("crypto: hash - Count error stats differently") Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Herb...
```diff diff --git a/include/crypto/hash.h b/include/crypto/hash.h index 2aa61e7679db..1ed674ba8429 100644 --- a/include/crypto/hash.h +++ b/include/crypto/hash.h @@ -41,7 +41,7 @@ struct crypto_istat_hash { #define HASH_ALG_COMMON_STAT #endif -/** +/* * struct hash_alg_common - define properties of message diges...
0dee6cd2a138cf0a31349bae58b512482a7e799a
Analyze and fix the following issue in the Linux kernel code: async_tx: fix kernel-doc notation warnings
Problem Details: Fix kernel-doc warnings by adding "struct" keyword or "enum" keyword. Also fix 2 function parameter descriptions. Change some functions and structs from kernel-doc /** notation to regular /* comment notation. async_pq.c:18: warning: cannot understand function prototype: 'struct page *pq_scribble_page;...
```diff diff --git a/crypto/async_tx/async_pq.c b/crypto/async_tx/async_pq.c index f9cdc5e91664..5e2b2680d7db 100644 --- a/crypto/async_tx/async_pq.c +++ b/crypto/async_tx/async_pq.c @@ -11,8 +11,8 @@ #include <linux/async_tx.h> #include <linux/gfp.h> -/** - * pq_scribble_page - space to hold throwaway P or Q buffe...
203e435844734cfa503cd1755f35db2514db5cca
Analyze and fix the following issue in the Linux kernel code: kernel/smp: Make csdlock_debug= resettable
Problem Details: It is currently possible to set the csdlock_debug_enabled static branch, but not to reset it. This is an issue when several different entities supply kernel boot parameters and also for kernels built with CONFIG_CSD_LOCK_WAIT_DEBUG_DEFAULT=y. Therefore, make the csdlock_debug=0 kernel boot parameter ...
```diff diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index b15198a85acb..5f2ec4b0f927 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -889,12 +889,13 @@ cs89x0_media= [HW,NET] Fo...
c52198601695851622f361d3f16456e9fc857629
Analyze and fix the following issue in the Linux kernel code: locking/csd_lock: Add Kconfig option for csd_debug default
Problem Details: The csd_debug kernel parameter works well, but is inconvenient in cases where it is more closely associated with boot loaders or automation than with a particular kernel version or release. Thererfore, provide a new CSD_LOCK_WAIT_DEBUG_DEFAULT Kconfig option that defaults csd_debug to 1 when selected ...
```diff diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 6221a1d057dd..ce70777f5999 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -893,8 +893,10 @@ handling. When switched on, ...
f102424befd3751386f3e2f2c70c5a1948248622
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: use bullet list for amsdu_mesh_control formats list
Problem Details: Commit fe4a6d2db3ba ("wifi: mac80211: implement support for yet another mesh A-MSDU format") expands amsdu_mesh_control list to multi-line list. However, the expansion triggers Sphinx warning: Documentation/driver-api/80211/mac80211-advanced:214: ./net/mac80211/sta_info.h:628: WARNING: Unexpected inde...
```diff diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index f354d470e174..195b563132d6 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -622,11 +622,13 @@ struct link_sta_info { * taken from HT/VHT capabilities or VHT operating mode notification * @cparams: CoDel parameters for...
d24b2130146b31d2185296dbc08186fb67bb2c71
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: fix NULL deref in iwl_mvm_mld_disable_txq
Problem Details: Check sta pointer for NULL and don't crash if it is. Fixes: 006c152ac9e5 ("wifi: iwlwifi: mvm: add support for the new STA related commands") Reported-by: Dan Carpenter <error27@gmail.com> Link: https://lore.kernel.org/linux-wireless/20230314194113.132873ce015c.I7b12a77e5be066730762e6ceeeaa7190293c3df...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mld-sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/mld-sta.c index d81fc9207ef0..51532b6379e2 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mld-sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mld-sta.c @@ -227,10 +227,15 @@ static int iwl_mvm_mld_disa...
34224133458ca48caf2b57df335e870f1abb7af5
Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Fix IPC buffer header status field value
Problem Details: IPC messages transmitted to the device must be marked as allocated - status field must be set to 1. The VPU driver has IVPU_IPC_HDR_ALLOCATED incorrectly defined. Future VPU firmware versions will reject all IPC messages with invalid status and will not work with a VPU driver that is missing this fix. ...
```diff diff --git a/drivers/accel/ivpu/ivpu_ipc.h b/drivers/accel/ivpu/ivpu_ipc.h index 9838202ecfad..68f5b6668e00 100644 --- a/drivers/accel/ivpu/ivpu_ipc.h +++ b/drivers/accel/ivpu/ivpu_ipc.h @@ -21,7 +21,7 @@ struct ivpu_bo; #define IVPU_IPC_ALIGNMENT 64 #define IVPU_IPC_HDR_FREE 0 -#define IVPU_IPC_HDR_A...
252776b2973ea8c7e2e6db09993e6f33c81b776e
Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Fix VPU clock calculation
Problem Details: The driver calculates the wrong frequency because it ignores the workpoint config and this cause undesired power/performance characteristics. Fix this by using the workpoint config in the freq calculations. Fixes: 35b137630f08 ("accel/ivpu: Introduce a new DRM driver for Intel VPU") Co-developed-by: A...
```diff diff --git a/drivers/accel/ivpu/ivpu_hw_mtl.c b/drivers/accel/ivpu/ivpu_hw_mtl.c index 98c8a4aa25f0..382ec127be8e 100644 --- a/drivers/accel/ivpu/ivpu_hw_mtl.c +++ b/drivers/accel/ivpu/ivpu_hw_mtl.c @@ -29,7 +29,6 @@ #define PLL_REF_CLK_FREQ (50 * 1000000) #define PLL_SIMULATION_FREQ (10 * 1000000...
3d8b2727d8de4720c6865917dd05249b1f449f34
Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Disable buttress on device removal
Problem Details: Use pci_set_power_state() to disable buttress when device is removed. This is workaround of hardware bug that hangs the system. Additionally not disabling buttress prevents CPU enter deeper Pkg-C states when the driver is unloaded or fail to probe. Fixes: 35b137630f08 ("accel/ivpu: Introduce a new DR...
```diff diff --git a/drivers/accel/ivpu/ivpu_drv.c b/drivers/accel/ivpu/ivpu_drv.c index 70245cf84593..6a320a73e3cc 100644 --- a/drivers/accel/ivpu/ivpu_drv.c +++ b/drivers/accel/ivpu/ivpu_drv.c @@ -569,6 +569,8 @@ err_mmu_gctx_fini: ivpu_mmu_global_context_fini(vdev); err_power_down: ivpu_hw_power_down(vdev); + i...
a8fed6d1e0b9bbea2cbe602831f84a2cff4653e3
Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Fix power down sequence
Problem Details: Remove FPGA workaround on power_down to skip checking for noc quiescent state. Put VPU in reset before powering it down and skip manipulating registers that are reset by the VPU reset. This fixes power down errors where VPU is powered down just after VPU is booted. Fixes: 35b137630f08 ("accel/ivpu: ...
```diff diff --git a/drivers/accel/ivpu/ivpu_hw_mtl.c b/drivers/accel/ivpu/ivpu_hw_mtl.c index 62bfaa9081c4..70ca6de78060 100644 --- a/drivers/accel/ivpu/ivpu_hw_mtl.c +++ b/drivers/accel/ivpu/ivpu_hw_mtl.c @@ -403,11 +403,6 @@ static int ivpu_boot_host_ss_axi_enable(struct ivpu_device *vdev) return ivpu_boot_host_ss...
3ff6edbc17dbab87f705b1da93854ffff3912673
Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Do not use SSID 1
Problem Details: The SSID=1 is used by the firmware as default value in case SSID mapping is not initialized. This allows detecting use of miss-configured memory contexts. The future FW versions may not allow using SSID=1. SSID=65 is valid value, number of contexts are limited by number of available command queues, bu...
```diff diff --git a/drivers/accel/ivpu/ivpu_drv.c b/drivers/accel/ivpu/ivpu_drv.c index d9e311b40348..70245cf84593 100644 --- a/drivers/accel/ivpu/ivpu_drv.c +++ b/drivers/accel/ivpu/ivpu_drv.c @@ -474,8 +474,8 @@ static int ivpu_dev_init(struct ivpu_device *vdev) vdev->hw->ops = &ivpu_hw_mtl_ops; vdev->platform...
6013aa84ee45fd0faa23fc6312a1af60b06d408b
Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Cancel recovery work
Problem Details: Prevent running recovery_work after device is removed. Fixes: 852be13f3bd3 ("accel/ivpu: Add PM support") Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Link: h...
```diff diff --git a/drivers/accel/ivpu/ivpu_drv.c b/drivers/accel/ivpu/ivpu_drv.c index ac06bbfca920..d9e311b40348 100644 --- a/drivers/accel/ivpu/ivpu_drv.c +++ b/drivers/accel/ivpu/ivpu_drv.c @@ -580,6 +580,8 @@ static void ivpu_dev_fini(struct ivpu_device *vdev) ivpu_pm_disable(vdev); ivpu_shutdown(vdev); ivp...
4522ad764d7e99a79de817fcbc682ebcc75d01fe
Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Do not access HW registers after unbind
Problem Details: We should not access hardware after we unbind from the bus. Use drm_dev_enter() / drm_dev_exit() to mark code sections where hardware is accessed (and not already protected by other locks) and drm_dev_unplug() to mark device is gone. Fixes: 35b137630f08 ("accel/ivpu: Introduce a new DRM driver for In...
```diff diff --git a/drivers/accel/ivpu/ivpu_drv.c b/drivers/accel/ivpu/ivpu_drv.c index 231f29bb5025..ac06bbfca920 100644 --- a/drivers/accel/ivpu/ivpu_drv.c +++ b/drivers/accel/ivpu/ivpu_drv.c @@ -8,7 +8,6 @@ #include <linux/pci.h> #include <drm/drm_accel.h> -#include <drm/drm_drv.h> #include <drm/drm_file.h> #...
08570b7c8db6d9185deccf5bcda773bd6f17172f
Analyze and fix the following issue in the Linux kernel code: gpu: host1x: fix uninitialized variable use
Problem Details: The error handling for platform_get_irq() failing no longer works after a recent change, clang now points this out with a warning: drivers/gpu/host1x/dev.c:520:6: error: variable 'syncpt_irq' is uninitialized when used here [-Werror,-Wuninitialized] if (syncpt_irq < 0) ^~~~~~~~~~ ...
```diff diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c index 4872d183d860..aae2efeef503 100644 --- a/drivers/gpu/host1x/dev.c +++ b/drivers/gpu/host1x/dev.c @@ -487,7 +487,6 @@ static int host1x_get_resets(struct host1x *host) static int host1x_probe(struct platform_device *pdev) { struct host1x *...
4170f0ef582c1ff4557276b98fb5fad85c782c1f
Analyze and fix the following issue in the Linux kernel code: fix typos in net/sched/* files
Problem Details: This patch fixes typos in net/sched/* files. Signed-off-by: Taichi Nishimura <awkrail01@gmail.com> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c index 475fe222a855..cc49256d5318 100644 --- a/net/sched/cls_flower.c +++ b/net/sched/cls_flower.c @@ -1057,7 +1057,7 @@ static void fl_set_key_pppoe(struct nlattr **tb, * because ETH_P_PPP_SES was stored in basic.n_proto * which might get overwr...
fa4e7a6fa12b1132340785e14bd439cbe95b7a5a
Analyze and fix the following issue in the Linux kernel code: ALSA: usb-audio: Fix regression on detection of Roland VS-100
Problem Details: It's been reported that the recent kernel can't probe the PCM devices on Roland VS-100 properly, and it turned out to be a regression by the recent addition of the bit shift range check for the format bits. In the old code, we just did bit-shift and it resulted in zero, which is then corrected to the s...
```diff diff --git a/sound/usb/format.c b/sound/usb/format.c index 405dc0bf6678..4b1c5ba121f3 100644 --- a/sound/usb/format.c +++ b/sound/usb/format.c @@ -39,8 +39,12 @@ static u64 parse_audio_format_i_type(struct snd_usb_audio *chip, case UAC_VERSION_1: default: { struct uac_format_type_i_discrete_descriptor *f...
8da3a5598f75cd0361e11b6d74697084380eb4b0
Analyze and fix the following issue in the Linux kernel code: ynl: allow to encode u8 attr
Problem Details: Playing with dpll netlink, I came across following issue: $ sudo ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/dpll.yaml --do pin-set --json '{"id": 0, "pin-idx": 1, "pin-state": 1}' Traceback (most recent call last): File "tools/net/ynl/cli.py", line 52, in <module> main() File "to...
```diff diff --git a/tools/net/ynl/lib/ynl.py b/tools/net/ynl/lib/ynl.py index 90764a83c646..bcb798c7734d 100644 --- a/tools/net/ynl/lib/ynl.py +++ b/tools/net/ynl/lib/ynl.py @@ -334,6 +334,8 @@ class YnlFamily(SpecFamily): attr_payload += self._add_attr(attr['nested-attributes'], subname, subvalue) ...
68e294dcccf965c93d65c4660547794728a4cff0
Analyze and fix the following issue in the Linux kernel code: ext4: improve inode table blocks counting in ext4_num_overhead_clusters
Problem Details: As inode table blocks are contiguous, inode table blocks inside the block_group can be represented as range [itbl_cluster_start, itbl_cluster_last]. Then we can simply account inode table cluters and check cluster overlap with [itbl_cluster_start, itbl_cluster_last] instead of traverse each block of in...
```diff diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index dab46274d591..535a8fb67ae6 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -80,32 +80,56 @@ static inline int ext4_block_in_group(struct super_block *sb, return (actual_group == block_group) ? 1 : 0; } -/* Return the number of clusters used for...
b5aa06bfe9ad13c75d425839ee2aca045e3c688c
Analyze and fix the following issue in the Linux kernel code: ext4: properly handle error of ext4_init_block_bitmap in ext4_read_block_bitmap_nowait
Problem Details: We mark buffer_head of bitmap successfully initialized even error occurs in ext4_init_block_bitmap. Although we will return error, we will get a invalid buffer_head of bitmap from next ext4_read_block_bitmap_nowait which is marked buffer_verified but not successfully initialized actually in previous ex...
```diff diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index 8ff4b9192a9f..10cab743e313 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -474,16 +474,18 @@ ext4_read_block_bitmap_nowait(struct super_block *sb, ext4_group_t block_group, goto out; } err = ext4_init_block_bitmap(sb, bh, block_group, des...
98ccceee3e0637a37e20c1c12a08173663db77e7
Analyze and fix the following issue in the Linux kernel code: ext4: fix comment: "start start" -> "start" in mpage_prepare_extent_to_map()
Problem Details: Signed-off-by: Theodore Ts'o <tytso@mit.edu>
```diff diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 6445b8017a8e..dbcc8b48c7ba 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -2432,7 +2432,7 @@ static int mpage_prepare_extent_to_map(struct mpage_da_data *mpd) mpd->next_page = index; /* * Start a transaction for writeback of journalled data. We ...
b20cf3f89c56b5f6a38b7f76a8128bf9f291bbd3
Analyze and fix the following issue in the Linux kernel code: platform/chrome: cros_ec_chardev: fix kernel data leak from ioctl
Problem Details: It is possible to peep kernel page's data by providing larger `insize` in struct cros_ec_command[1] when invoking EC host commands. Fix it by using zeroed memory. [1]: https://elixir.bootlin.com/linux/v6.2/source/include/linux/platform_data/cros_ec_proto.h#L74 Fixes: eda2e30c6684 ("mfd / platform: c...
```diff diff --git a/drivers/platform/chrome/cros_ec_chardev.c b/drivers/platform/chrome/cros_ec_chardev.c index 0de7c255254e..d6de5a294128 100644 --- a/drivers/platform/chrome/cros_ec_chardev.c +++ b/drivers/platform/chrome/cros_ec_chardev.c @@ -284,7 +284,7 @@ static long cros_ec_chardev_ioctl_xcmd(struct cros_ec_dev...
e6c28a26b799c7640b77daff3e4a67808c74381c
Analyze and fix the following issue in the Linux kernel code: ext4: Fix warnings when freezing filesystem with journaled data
Problem Details: Test generic/390 in data=journal mode often triggers a warning that ext4_do_writepages() tries to start a transaction on frozen filesystem. This happens because although all dirty data is properly written, jbd2 checkpointing code writes data through submit_bh() and as a result only buffer dirty bits ar...
```diff diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 652efb2221bf..6445b8017a8e 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -2410,6 +2410,7 @@ static int mpage_journal_page_buffers(handle_t *handle, static int mpage_prepare_extent_to_map(struct mpage_da_data *mpd) { struct address_space *mapping =...
cbedf1a33970c9b825ae75b81fbd3e88e224a418
Analyze and fix the following issue in the Linux kernel code: Input: i8042 - add TUXEDO devices to i8042 quirk tables for partial fix
Problem Details: A lot of modern Clevo barebones have touchpad and/or keyboard issues after suspend fixable with nomux + reset + noloop + nopnp. Luckily, none of them have an external PS/2 port so this can safely be set for all of them. I'm not entirely sure if every device listed really needs all four quirks, but aft...
```diff diff --git a/drivers/input/serio/i8042-acpipnpio.h b/drivers/input/serio/i8042-acpipnpio.h index fe7ffe30997c..028e45bd050b 100644 --- a/drivers/input/serio/i8042-acpipnpio.h +++ b/drivers/input/serio/i8042-acpipnpio.h @@ -1124,6 +1124,20 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst ...
d0072ca529674c36421023ffe90837a7de9387f3
Analyze and fix the following issue in the Linux kernel code: mm: mmap: remove newline at the end of the trace
Problem Details: We already have newline in TP_printk so remove the redundant newline character at the end of the mmap trace. <...>-345 [006] ..... 95.589290: exit_mmap: mt_mod ... <...>-345 [006] ..... 95.589413: vm_unmapped_area: addr=... <...>-345 [006] ..... 95.589571: vm_unmapped_area: addr...
```diff diff --git a/include/trace/events/mmap.h b/include/trace/events/mmap.h index 216de5f03621..f8d61485de16 100644 --- a/include/trace/events/mmap.h +++ b/include/trace/events/mmap.h @@ -35,7 +35,7 @@ TRACE_EVENT(vm_unmapped_area, __entry->align_offset = info->align_offset; ), - TP_printk("addr=0x%lx err=%ld...
5eb39cde1e2487ba5ec1802dc5e58a77e700d99e
Analyze and fix the following issue in the Linux kernel code: kcsan: avoid passing -g for test
Problem Details: Nathan reported that when building with GNU as and a version of clang that defaults to DWARF5, the assembler will complain with: Error: non-constant .uleb128 is not supported This is because `-g` defaults to the compiler debug info default. If the assembler does not support some of the directives u...
```diff diff --git a/kernel/kcsan/Makefile b/kernel/kcsan/Makefile index 8cf70f068d92..a45f3dfc8d14 100644 --- a/kernel/kcsan/Makefile +++ b/kernel/kcsan/Makefile @@ -16,6 +16,6 @@ obj-y := core.o debugfs.o report.o KCSAN_INSTRUMENT_BARRIERS_selftest.o := y obj-$(CONFIG_KCSAN_SELFTEST) += selftest.o -CFLAGS_kcsan_t...
2e08ca1802441224f5b7cc6bffbb687f7406de95
Analyze and fix the following issue in the Linux kernel code: kfence: avoid passing -g for test
Problem Details: Nathan reported that when building with GNU as and a version of clang that defaults to DWARF5: $ make -skj"$(nproc)" ARCH=riscv CROSS_COMPILE=riscv64-linux-gnu- \ LLVM=1 LLVM_IAS=0 O=build \ mrproper allmodconfig mm/kfence/kfence_test.o /tmp/kfence_test-08a0a0.s: Assembler messages: /tmp/k...
```diff diff --git a/mm/kfence/Makefile b/mm/kfence/Makefile index 0bb95728a784..2de2a58d11a1 100644 --- a/mm/kfence/Makefile +++ b/mm/kfence/Makefile @@ -2,5 +2,5 @@ obj-y := core.o report.o -CFLAGS_kfence_test.o := -g -fno-omit-frame-pointer -fno-optimize-sibling-calls +CFLAGS_kfence_test.o := -fno-omit-frame-po...
1c86a188e03156223a34d09ce290b49bd4dd0403
Analyze and fix the following issue in the Linux kernel code: mm: kfence: fix using kfence_metadata without initialization in show_object()
Problem Details: The variable kfence_metadata is initialized in kfence_init_pool(), then, it is not initialized if kfence is disabled after booting. In this case, kfence_metadata will be used (e.g. ->lock and ->state fields) without initialization when reading /sys/kernel/debug/kfence/objects. There will be a warnin...
```diff diff --git a/mm/kfence/core.c b/mm/kfence/core.c index 5349c37a5dac..79c94ee55f97 100644 --- a/mm/kfence/core.c +++ b/mm/kfence/core.c @@ -726,10 +726,14 @@ static const struct seq_operations objects_sops = { }; DEFINE_SEQ_ATTRIBUTE(objects); -static int __init kfence_debugfs_init(void) +static int kfence_d...
13684e966d46283e0e89b6a4941596dc52b18bf3
Analyze and fix the following issue in the Linux kernel code: lib: dhry: fix unstable smp_processor_id(_) usage
Problem Details: When running the in-kernel Dhrystone benchmark with CONFIG_DEBUG_PREEMPT=y: BUG: using smp_processor_id() in preemptible [00000000] code: bash/938 Fix this by not using smp_processor_id() directly, but instead wrapping the whole benchmark inside a get_cpu()/put_cpu() pair. This makes sure the wh...
```diff diff --git a/lib/dhry_run.c b/lib/dhry_run.c index f9d33efa6d09..f15ac666e9d3 100644 --- a/lib/dhry_run.c +++ b/lib/dhry_run.c @@ -31,6 +31,7 @@ MODULE_PARM_DESC(iterations, static void dhry_benchmark(void) { + unsigned int cpu = get_cpu(); int i, n; if (iterations > 0) { @@ -45,9 +46,10 @@ static voi...
f446883d12b8bfa486f7c98d403054d61d38c989
Analyze and fix the following issue in the Linux kernel code: Revert "kasan: drop skip_kasan_poison variable in free_pages_prepare"
Problem Details: This reverts commit 487a32ec24be819e747af8c2ab0d5c515508086a. should_skip_kasan_poison() reads the PG_skip_kasan_poison flag from page->flags. However, this line of code in free_pages_prepare(): page->flags &= ~PAGE_FLAGS_CHECK_AT_PREP; clears most of page->flags, including PG_skip_kasan_poison, b...
```diff diff --git a/mm/page_alloc.c b/mm/page_alloc.c index ac1fc986af44..7136c36c5d01 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1398,6 +1398,7 @@ static __always_inline bool free_pages_prepare(struct page *page, unsigned int order, bool check_free, fpi_t fpi_flags) { int bad = 0; + bool skip_kasan...
90db9dbedd26ce029f3a0f8d2cbd3a142f452408
Analyze and fix the following issue in the Linux kernel code: kasan, powerpc: don't rename memintrinsics if compiler adds prefixes
Problem Details: With appropriate compiler support [1], KASAN builds use __asan prefixed meminstrinsics, and KASAN no longer overrides memcpy/memset/memmove. If compiler support is detected (CC_HAS_KASAN_MEMINTRINSIC_PREFIX), define memintrinsics normally (do not prefix '__'). On powerpc, KASAN is the only user of __...
```diff diff --git a/arch/powerpc/include/asm/kasan.h b/arch/powerpc/include/asm/kasan.h index 92a968202ba7..365d2720097c 100644 --- a/arch/powerpc/include/asm/kasan.h +++ b/arch/powerpc/include/asm/kasan.h @@ -2,7 +2,7 @@ #ifndef __ASM_KASAN_H #define __ASM_KASAN_H -#ifdef CONFIG_KASAN +#if defined(CONFIG_KASAN) &...
6db504ce55bdbc575723938fc480713c9183f6a2
Analyze and fix the following issue in the Linux kernel code: mm/ksm: fix race with VMA iteration and mm_struct teardown
Problem Details: exit_mmap() will tear down the VMAs and maple tree with the mmap_lock held in write mode. Ensure that the maple tree is still valid by checking ksm_test_exit() after taking the mmap_lock in read mode, but before the for_each_vma() iterator dereferences a destroyed maple tree. Since the maple tree is ...
```diff diff --git a/mm/ksm.c b/mm/ksm.c index ad591b779d53..2b8d30068cbb 100644 --- a/mm/ksm.c +++ b/mm/ksm.c @@ -988,9 +988,15 @@ static int unmerge_and_remove_all_rmap_items(void) mm = mm_slot->slot.mm; mmap_read_lock(mm); + + /* + * Exit right away if mm is exiting to avoid lockdep issue in + * the map...
d035230ec9937a9138921d2a0eeb99496ea7eac0
Analyze and fix the following issue in the Linux kernel code: kselftest: vm: fix unused variable warning
Problem Details: Remove unused variable from the MDWE test. [joey.gouly@arm.com: add commit message] Link: https://lkml.kernel.org/r/20230308190423.46491-4-joey.gouly@arm.com Fixes: 4cf1fe34fd18 ("kselftest: vm: add tests for memory-deny-write-execute") Signed-off-by: Peter Xu <peterx@redhat.com> Signed-off-by: Joey G...
```diff diff --git a/tools/testing/selftests/mm/mdwe_test.c b/tools/testing/selftests/mm/mdwe_test.c index f466a099f1bf..bc91bef5d254 100644 --- a/tools/testing/selftests/mm/mdwe_test.c +++ b/tools/testing/selftests/mm/mdwe_test.c @@ -163,9 +163,8 @@ TEST_F(mdwe, mprotect_WRITE_EXEC) TEST_F(mdwe, mmap_FIXED) { - vo...