[lkp-robot] [bisect done] 16c438ade2 [ 182.078753] WARNING: CPU: 0 PID: 479 at sound/core/pcm_native.c:617 snd_pcm_hw_params
by kernel test robot
Greetings,
0day kernel testing robot got the below dmesg and the first bad commit is
https://github.com/0day-ci/linux/commits/Kyle-Spiers/pcm_native-Remove-VL...
commit 16c438ade2b883466f485f6578432fce7581aa1c
Author: Kyle Spiers <kyle(a)spiers.me>
AuthorDate: Wed Mar 28 15:11:19 2018 -0700
Commit: 0day robot <fengguang.wu(a)intel.com>
CommitDate: Fri Mar 30 07:37:36 2018 +0800
pcm_native: Remove VLA usage
As part of the effort to remove VLAs from the kernel[1], this changes
the allocation of the rstamps array from being on the stack to being
kcalloc()ed. This also allows for the removal of the explicit zeroing
loop.
[1] https://lkml.org/lkml/2018/3/7/621
Signed-off-by: Kyle Spiers <kyle(a)spiers.me>
3eb2ce825e Linux 4.16-rc7
16c438ade2 pcm_native: Remove VLA usage
+-------------------------------------------------------+-----------+------------+
| | v4.16-rc7 | 16c438ade2 |
+-------------------------------------------------------+-----------+------------+
| boot_successes | 1040 | 202 |
| boot_failures | 89 | 6 |
| BUG:kernel_in_stage | 83 | |
| WARNING:at_net/sched/sch_generic.c:#dev_watchdog | 1 | |
| EIP:dev_watchdog | 1 | |
| BUG:kernel_hang_in_test_stage | 2 | |
| BUG:soft_lockup-CPU##stuck_for#s | 1 | |
| EIP:drm_mm_insert_node_in_range | 1 | |
| Kernel_panic-not_syncing:softlockup:hung_tasks | 1 | |
| Mem-Info | 2 | |
| WARNING:at_sound/core/pcm_native.c:#snd_pcm_hw_params | 0 | 6 |
| EIP:snd_pcm_hw_params | 0 | 6 |
+-------------------------------------------------------+-----------+------------+
[main] Setsockopt(1 25 80d3000 41) on fd 380 [8:5:88]
[main] 375 sockets created based on info from socket cachefile.
[main] Generating file descriptors
[main] Added 347 filenames from /dev
[ 182.071265] VFS: Warning: trinity-c0 using old stat() call. Recompile your binary.
[ 182.078753] WARNING: CPU: 0 PID: 479 at sound/core/pcm_native.c:617 snd_pcm_hw_params+0x1e5/0x9ab
[ 182.080170] CPU: 0 PID: 479 Comm: trinity-main Not tainted 4.16.0-rc7-00001-g16c438a #1
[ 182.081213] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
[ 182.082308] EIP: snd_pcm_hw_params+0x1e5/0x9ab
[ 182.082906] EFLAGS: 00010282 CPU: 0
[ 182.083372] EAX: 00000001 EBX: c94c0800 ECX: 00000000 EDX: 00000001
[ 182.084208] ESI: 00000001 EDI: ffffffea EBP: cd1dde00 ESP: cd1dddb4
[ 182.085027] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[ 182.085743] CR0: 80050033 CR2: bff5d72c CR3: 04b9c000 CR4: 000006b0
[ 182.086561] Call Trace:
[ 182.086909] ? snd_pcm_drop+0x4b/0xe6
[ 182.087399] snd_pcm_kernel_ioctl+0x75/0x12d
[ 182.087982] snd_pcm_oss_change_params+0x8de/0xce9
[ 182.088622] snd_pcm_oss_make_ready+0xa2/0xbe
[ 182.089198] snd_pcm_oss_sync+0x61/0x2f1
[ 182.089732] snd_pcm_oss_release+0xb2/0xfb
[ 182.090276] __fput+0x18a/0x2d0
[ 182.090710] ____fput+0x8/0xa
[ 182.091113] task_work_run+0x71/0x98
[ 182.091598] do_exit+0x821/0x1162
[ 182.092061] do_group_exit+0x114/0x114
[ 182.092560] SyS_exit_group+0x11/0x11
[ 182.093060] do_int80_syscall_32+0x9e/0x1e6
[ 182.093620] entry_INT80_32+0x33/0x33
[ 182.094106] EIP: 0xb7f051b2
[ 182.094483] EFLAGS: 00000292 CPU: 0
[ 182.094962] EAX: ffffffda EBX: 00000000 ECX: 0000002d EDX: b7efd8ac
[ 182.095784] ESI: 00000001 EDI: 00000002 EBP: bff5ff08 ESP: bff5fe28
[ 182.096619] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b
[ 182.097323] Code: 89 c6 c1 ee 1f 31 c9 89 c7 89 f2 6a 00 b8 b8 7c 29 c4 e8 6a 6a 84 fe 8b 04 b5 30 6f 89 c4 40 85 ff 89 04 b5 30 6f 89 c4 59 79 02 <0f> 0b 6a 00 31 c9 b8 a0 7c 29 c4 89 f2 e8 44 6a 84 fe 8b 04 b5
[ 182.099882] ---[ end trace f0c2874d6c935aa6 ]---
[main] Added 33467 filenames from /proc
# HH:MM RESULT GOOD BAD GOOD_BUT_DIRTY DIRTY_NOT_BAD
git bisect start aa73c3c3bc5b5229f8701082ae77df73c653fe92 3eb2ce825ea1ad89d20f7a3b5780df850e4be274 --
git bisect good 7a89bd79861212f36943e4b3588dd0fe40363e54 # 13:42 G 61 0 0 66 Merge 'linux-review/Thomas-Petazzoni/PCI-aardvark-misc-fixes-and-improvements/20180330-112534' into devel-catchup-201803301225
git bisect bad 8c9c0320a1d3195ebca752d6f2ecc248844a34ca # 14:07 B 32 1 0 0 Merge 'kvm/next' into devel-catchup-201803301225
git bisect bad 9030b9fd8b14211e9bd74d1c85656068469286fa # 14:33 B 33 1 0 0 Merge 'linux-review/Colin-King/drm-nouveau-bios-init-fix-spelling-mistake-CONDITON-CONDITION/20180330-041101' into devel-catchup-201803301225
git bisect bad 875b4a9d53feed96d8238c6a6a7c400de29e97db # 15:01 B 43 2 0 0 Merge 'linux-review/Kyle-Spiers/pcm_native-Remove-VLA-usage/20180330-073734' into devel-catchup-201803301225
git bisect good 64135f20d85f0ccb0646a96bba2486b9e5da19ab # 15:48 G 196 0 0 0 Merge 'linux-review/Masahiro-Yamada/usb-dwc3-of-simple-use-managed-and-shared-reset-control/20180330-035305' into devel-catchup-201803301225
git bisect bad 16c438ade2b883466f485f6578432fce7581aa1c # 16:13 B 9 1 0 0 pcm_native: Remove VLA usage
# first bad commit: [16c438ade2b883466f485f6578432fce7581aa1c] pcm_native: Remove VLA usage
git bisect good 3eb2ce825ea1ad89d20f7a3b5780df850e4be274 # 17:50 G 587 0 0 94 Linux 4.16-rc7
# extra tests on HEAD of linux-devel/devel-catchup-201803301225
git bisect bad aa73c3c3bc5b5229f8701082ae77df73c653fe92 # 17:50 B 31 3 0 9 0day head guard for 'devel-catchup-201803301225'
# extra tests on tree/branch linux-review/Kyle-Spiers/pcm_native-Remove-VLA-usage/20180330-073734
git bisect bad 16c438ade2b883466f485f6578432fce7581aa1c # 17:58 B 198 7 0 0 pcm_native: Remove VLA usage
# extra tests with first bad commit reverted
git bisect good d0581a691078d00301d27b22ccc744b9134680f6 # 18:44 G 197 0 0 0 Revert "pcm_native: Remove VLA usage"
---
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