bisecting cause commit starting from 15bc20c6af4ceee97a1f90b43c0e386643c071b4 building syzkaller on 816e0689d7d9d8321f8bf360740f0e516aee15ca testing commit 15bc20c6af4ceee97a1f90b43c0e386643c071b4 with gcc (GCC) 8.1.0 kernel signature: 51320d066e7b03b7ba2942845172a6c878730c4dccd507f309ba5170d4bb9ad2 run #0: crashed: WARNING in snd_pcm_plugin_build_mulaw run #1: crashed: WARNING in snd_pcm_plugin_build_mulaw run #2: crashed: WARNING in snd_pcm_plugin_build_mulaw run #3: crashed: WARNING in snd_pcm_plugin_build_mulaw run #4: crashed: WARNING in snd_pcm_plugin_build_mulaw run #5: crashed: WARNING in corrupted run #6: crashed: WARNING in snd_pcm_plugin_build_mulaw run #7: crashed: WARNING in snd_pcm_plugin_build_mulaw run #8: crashed: WARNING in snd_pcm_plugin_build_mulaw run #9: crashed: WARNING in corrupted testing release v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.1.0 kernel signature: 6d3092753c811bb58ca1d5d6fee293bb238e5604159342b5643a2c1181d0a754 all runs: crashed: WARNING in snd_pcm_plugin_build_mulaw testing release v5.7 testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 with gcc (GCC) 8.1.0 kernel signature: 1d6c2d62995b572d00625bb2d3dfbd8b6072ab48555273fa0f03d6becff43124 all runs: crashed: WARNING in snd_pcm_plugin_build_mulaw testing release v5.6 testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48 with gcc (GCC) 8.1.0 kernel signature: c590b519e282d49715ea70ba39543c39da97ed1fae2f2604a15b5fb47d813b75 all runs: OK # git bisect start 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 7111951b8d4973bda27ff663f2cf18b663d15b48 Bisecting: 7542 revisions left to test after this (roughly 13 steps) [50a5de895dbe5df947b3a695777db5b2c313e065] Merge tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma testing commit 50a5de895dbe5df947b3a695777db5b2c313e065 with gcc (GCC) 8.1.0 kernel signature: 1b38a3a9bc0e1f5b0a445b9b037f1d3ab3165ad403fd688d160a9697ad9c1d4e all runs: OK # git bisect good 50a5de895dbe5df947b3a695777db5b2c313e065 Bisecting: 3742 revisions left to test after this (roughly 12 steps) [d38c07afc356ddebaa3ed8ecb3f553340e05c969] Merge tag 'powerpc-5.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux testing commit d38c07afc356ddebaa3ed8ecb3f553340e05c969 with gcc (GCC) 8.1.0 kernel signature: 9f5d2d368ce05eee9896abe7389087a1457bd5e41cf24a653ba9f03e9c8c8085 all runs: OK # git bisect good d38c07afc356ddebaa3ed8ecb3f553340e05c969 Bisecting: 1871 revisions left to test after this (roughly 11 steps) [cf01699ee220c38099eb3e43ce3d10690c8b7060] tools/vm: fix cross-compile build testing commit cf01699ee220c38099eb3e43ce3d10690c8b7060 with gcc (GCC) 8.1.0 kernel signature: 2f0b29279cbad511d0bbc7f72e17d35736c1fed9e4eb6c93401aa3af9801fb26 all runs: crashed: WARNING in snd_pcm_plugin_build_mulaw # git bisect bad cf01699ee220c38099eb3e43ce3d10690c8b7060 Bisecting: 944 revisions left to test after this (roughly 10 steps) [9744b923d50810bb489e49bfe89d0b4d5c84be31] Merge tag 'iomap-5.7-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux testing commit 9744b923d50810bb489e49bfe89d0b4d5c84be31 with gcc (GCC) 8.1.0 kernel signature: 65388c5a24d069bb093325068bd1548622f5d0a750c2867254ecd8b33be27d66 all runs: OK # git bisect good 9744b923d50810bb489e49bfe89d0b4d5c84be31 Bisecting: 479 revisions left to test after this (roughly 9 steps) [31af27c7cc9f675d93a135dca99e6413f9096f1d] io_uring: don't count rqs failed after current one testing commit 31af27c7cc9f675d93a135dca99e6413f9096f1d with gcc (GCC) 8.1.0 kernel signature: 073fe3a4b44e020270f7e40926347e7093cc490fd545216a08de36ec6c8f9c69 all runs: crashed: WARNING in snd_pcm_plugin_build_mulaw # git bisect bad 31af27c7cc9f675d93a135dca99e6413f9096f1d Bisecting: 233 revisions left to test after this (roughly 8 steps) [8df2a0a6da450b0fc28f1fed110817c1d98b84c2] Merge tag 'block-5.7-2020-04-10' of git://git.kernel.dk/linux-block testing commit 8df2a0a6da450b0fc28f1fed110817c1d98b84c2 with gcc (GCC) 8.1.0 kernel signature: 0dfaa33a456e57c931c7e8994c88fceaa7d3539c803c4b937354781c0d195164 all runs: OK # git bisect good 8df2a0a6da450b0fc28f1fed110817c1d98b84c2 Bisecting: 114 revisions left to test after this (roughly 7 steps) [21c5b3c6d7579944d21ff268f241d6bec425a9b4] Merge tag 'drm-next-2020-04-10' of git://anongit.freedesktop.org/drm/drm testing commit 21c5b3c6d7579944d21ff268f241d6bec425a9b4 with gcc (GCC) 8.1.0 kernel signature: 1c2a0bf8d2c724358b46fc7d3db2fc031049c7960b379553fa1305bc2bef2b80 all runs: crashed: WARNING in snd_pcm_plugin_build_mulaw # git bisect bad 21c5b3c6d7579944d21ff268f241d6bec425a9b4 Bisecting: 77 revisions left to test after this (roughly 6 steps) [93f3321f650c5e700478ee8ed2e118d8255095cd] Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi testing commit 93f3321f650c5e700478ee8ed2e118d8255095cd with gcc (GCC) 8.1.0 kernel signature: 805f513b363abad1d2fc4db4c4add2e19a2b460fb7b9c68618829978b02ff1e7 all runs: OK # git bisect good 93f3321f650c5e700478ee8ed2e118d8255095cd Bisecting: 38 revisions left to test after this (roughly 5 steps) [4aafdf688360bacd4b48c87e9a3d0c208baf31c4] Merge tag 'sound-fix-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound testing commit 4aafdf688360bacd4b48c87e9a3d0c208baf31c4 with gcc (GCC) 8.1.0 kernel signature: a92195b5dcb8c2f873c108398673257560a897b3b2ee4eed0478b88c3ce7cf33 all runs: crashed: WARNING in snd_pcm_plugin_build_mulaw # git bisect bad 4aafdf688360bacd4b48c87e9a3d0c208baf31c4 Bisecting: 19 revisions left to test after this (roughly 4 steps) [c515291d312760ff0ad1d4431f0fb29be5d0ef45] ASoC: Intel: atom: Fix uninitialized variable compiler warning testing commit c515291d312760ff0ad1d4431f0fb29be5d0ef45 with gcc (GCC) 8.1.0 kernel signature: 09680c9c92f70630323dc59109ccf46d9492be293632154c383636f0b54eefc3 all runs: crashed: WARNING in snd_pcm_plugin_build_mulaw # git bisect bad c515291d312760ff0ad1d4431f0fb29be5d0ef45 Bisecting: 8 revisions left to test after this (roughly 3 steps) [7f95581187a2d5a401dc4a7b9428bb6c12db5b74] Merge series "ASoC: Intel: boards: Remove ignore_suspend flag from SSP0 dai link" from Cezary Rojewski : testing commit 7f95581187a2d5a401dc4a7b9428bb6c12db5b74 with gcc (GCC) 8.1.0 kernel signature: 4f4cc67618c8b1d65ba5ddaba292f559ae0c8af6e3c777e25a38662b64e8345b all runs: crashed: WARNING in snd_pcm_plugin_build_mulaw # git bisect bad 7f95581187a2d5a401dc4a7b9428bb6c12db5b74 Bisecting: 4 revisions left to test after this (roughly 2 steps) [a99661531e129f41f356bcbf6f57aee3695b6940] ASoC: Intel: haswell: Remove ignore_suspend flag from SSP0 dai link testing commit a99661531e129f41f356bcbf6f57aee3695b6940 with gcc (GCC) 8.1.0 kernel signature: 779221839e1b4043d4120eb8194fb9c16f2e91d614b830bc8fa3cf9b5b890af4 all runs: crashed: WARNING in snd_pcm_plugin_build_mulaw # git bisect bad a99661531e129f41f356bcbf6f57aee3695b6940 Bisecting: 2 revisions left to test after this (roughly 1 step) [76385a665ff5cfdf0a6dda43ec9bce7e7d5387d3] ASoC: bcm: Fix pointer cast warning testing commit 76385a665ff5cfdf0a6dda43ec9bce7e7d5387d3 with gcc (GCC) 8.1.0 kernel signature: 30661b58fa3f01b42ed47ab845b401a94831d9e9a9ff895cbc8a083f3f9e1873 all runs: crashed: WARNING in snd_pcm_plugin_build_mulaw # git bisect bad 76385a665ff5cfdf0a6dda43ec9bce7e7d5387d3 Bisecting: 0 revisions left to test after this (roughly 0 steps) [f3ca3f5b0966cfc2737178cca8a7a65b09991898] dt-bindings: sound: cs42l51: Remove unneeded I2C unit name testing commit f3ca3f5b0966cfc2737178cca8a7a65b09991898 with gcc (GCC) 8.1.0 kernel signature: 348ecfc04a414db5b10468129db382083846bcd760bf9459f84773e3787d6ed3 all runs: crashed: WARNING in snd_pcm_plugin_build_mulaw # git bisect bad f3ca3f5b0966cfc2737178cca8a7a65b09991898 f3ca3f5b0966cfc2737178cca8a7a65b09991898 is the first bad commit commit f3ca3f5b0966cfc2737178cca8a7a65b09991898 Author: Fabio Estevam Date: Fri Mar 27 12:57:21 2020 -0300 dt-bindings: sound: cs42l51: Remove unneeded I2C unit name The following warning is seen with 'make dt_binding_check': Documentation/devicetree/bindings/sound/cirrus,cs42l51.example.dts:18.15-34.11: Warning (unit_address_vs_reg): /example-0/i2c@0: node has a unit name, but no reg or ranges property Fix it by removing the unneeded i2c unit name. Signed-off-by: Fabio Estevam Acked-by: Rob Herring Link: https://lore.kernel.org/r/20200327155721.7596-1-festevam@gmail.com Signed-off-by: Mark Brown Documentation/devicetree/bindings/sound/cirrus,cs42l51.yaml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) parent commit 3d2cdb854659851d991f5b8e97e847e3fd240625 wasn't tested testing commit 3d2cdb854659851d991f5b8e97e847e3fd240625 with gcc (GCC) 8.1.0 kernel signature: f6c4f7e6539b1637d60247b6b9eabce89797e766e71b746774e37fa4cbe2715f culprit signature: 348ecfc04a414db5b10468129db382083846bcd760bf9459f84773e3787d6ed3 parent signature: f6c4f7e6539b1637d60247b6b9eabce89797e766e71b746774e37fa4cbe2715f revisions tested: 18, total time: 3h38m18.516553248s (build: 1h52m28.528554141s, test: 1h44m6.657226938s) first bad commit: f3ca3f5b0966cfc2737178cca8a7a65b09991898 dt-bindings: sound: cs42l51: Remove unneeded I2C unit name recipients (to): ["broonie@kernel.org" "festevam@gmail.com" "robh@kernel.org"] recipients (cc): [] crash: WARNING in snd_pcm_plugin_build_mulaw ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8486 at sound/core/oss/mulaw.c:332 snd_pcm_plugin_build_mulaw+0x59c/0x710 sound/core/oss/mulaw.c:318 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 8486 Comm: syz-executor.3 Not tainted 5.6.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x128/0x182 lib/dump_stack.c:118 panic+0x22a/0x4e3 kernel/panic.c:221 __warn.cold.10+0x25/0x26 kernel/panic.c:582 report_bug+0x1ad/0x270 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x123/0x210 arch/x86/kernel/traps.c:267 do_invalid_op+0x31/0x40 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:snd_pcm_plugin_build_mulaw+0x59c/0x710 sound/core/oss/mulaw.c:332 Code: 00 e9 e8 fe ff ff 0f 0b b8 fa ff ff ff e9 29 ff ff ff 0f 0b b8 fa ff ff ff e9 1d ff ff ff 0f 0b b8 fa ff ff ff e9 11 ff ff ff <0f> 0b b8 fa ff ff ff e9 05 ff ff ff 48 89 34 24 e8 af 08 2c fc 48 RSP: 0018:ffffc900047a79c0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffffc900047a7ae0 RCX: 0000000000000000 RDX: 0000000000000003 RSI: ffffc900047a7b20 RDI: ffffffff8805bc2b RBP: 1ffff920008f4f3a R08: ffffc900047a7b20 R09: ffffc900047a7ae0 R10: ffffc900047a7aa0 R11: ffff8880ae8383db R12: ffffc900047a7aa0 R13: ffffc900047a7ae0 R14: ffff88809a383800 R15: ffffffff856f08e0 snd_pcm_plug_format_plugins+0x8e4/0xc80 sound/core/oss/pcm_plugin.c:490 snd_pcm_oss_change_params_locked+0x12e5/0x2f10 sound/core/oss/pcm_oss.c:955 snd_pcm_oss_change_params+0x4e/0x90 sound/core/oss/pcm_oss.c:1087 snd_pcm_oss_make_ready+0x7e/0x120 sound/core/oss/pcm_oss.c:1146 snd_pcm_oss_sync.isra.31+0x263/0x6d0 sound/core/oss/pcm_oss.c:1641 snd_pcm_oss_release+0x1cf/0x240 sound/core/oss/pcm_oss.c:2545 __fput+0x256/0x780 fs/file_table.c:280 task_work_run+0x103/0x180 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x23d/0x2d0 arch/x86/entry/common.c:164 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline] syscall_return_slowpath arch/x86/entry/common.c:278 [inline] do_syscall_64+0x52a/0x620 arch/x86/entry/common.c:304 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x416f01 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007ffc27fac5b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000416f01 RDX: 0000000000000000 RSI: 0000000001190358 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 00007ffc27fac6a0 R11: 0000000000000293 R12: 0000000001190358 R13: 000000000000e2bc R14: ffffffffffffffff R15: 000000000118d08c Kernel Offset: disabled Rebooting in 86400 seconds..