syzbot


kernel panic: corrupted stack end in snd_pcm_oss_write

Status: moderation: reported on 2024/06/03 10:22
Subsystems: sound
[Documentation on labels]
Reported-by: syzbot+58d2db0010d5af5512f6@syzkaller.appspotmail.com
First crash: 15d, last: 15d

Sample crash report:
Kernel panic - not syncing: corrupted stack end detected inside scheduler
CPU: 1 PID: 3637 Comm: syz-executor.1 Not tainted 6.10.0-rc1-syzkaller-00027-g4a4be1ad3a6e #0
Hardware name: linux,dummy-virt (DT)
Call trace:
 dump_backtrace+0x94/0xec arch/arm64/kernel/stacktrace.c:317
 show_stack+0x18/0x24 arch/arm64/kernel/stacktrace.c:324
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x38/0x90 lib/dump_stack.c:114
 dump_stack+0x18/0x24 lib/dump_stack.c:123
 panic+0x39c/0x3d0 kernel/panic.c:347
 schedule_debug kernel/sched/core.c:5962 [inline]
 schedule+0x0/0x104 kernel/sched/core.c:6628
 preempt_schedule_irq+0x3c/0x80 kernel/sched/core.c:7067
 arm64_preempt_schedule_irq arch/arm64/kernel/entry-common.c:301 [inline]
 __el1_irq arch/arm64/kernel/entry-common.c:539 [inline]
 el1_interrupt+0x4c/0x64 arch/arm64/kernel/entry-common.c:551
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:556
 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:594
 cvt_s16_to_native sound/core/oss/mulaw.c:164 [inline]
 mulaw_decode+0x104/0x1e8 sound/core/oss/mulaw.c:195
 mulaw_transfer sound/core/oss/mulaw.c:275 [inline]
 mulaw_transfer+0x58/0x6c sound/core/oss/mulaw.c:248
 snd_pcm_plug_write_transfer+0xcc/0x1a4 sound/core/oss/pcm_plugin.c:630
 snd_pcm_oss_write2+0xb8/0x1ac sound/core/oss/pcm_oss.c:1374
 snd_pcm_oss_write1 sound/core/oss/pcm_oss.c:1440 [inline]
 snd_pcm_oss_write+0x290/0x340 sound/core/oss/pcm_oss.c:2796
 vfs_write+0xd0/0x368 fs/read_write.c:588
 ksys_write+0x70/0x104 fs/read_write.c:643
 __do_sys_write fs/read_write.c:655 [inline]
 __se_sys_write fs/read_write.c:652 [inline]
 __arm64_sys_write+0x1c/0x28 fs/read_write.c:652
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x48/0x118 arch/arm64/kernel/syscall.c:48
 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:152
 el0_svc+0x34/0xf8 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x100/0x12c arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:598
SMP: stopping secondary CPUs
Kernel Offset: disabled
CPU features: 0x00,00000006,8f17bd7c,1767f6bf
Memory Limit: none
Rebooting in 86400 seconds..

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/05/30 10:15 upstream 4a4be1ad3a6e 34889ee3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte kernel panic: corrupted stack end in snd_pcm_oss_write
* Struck through repros no longer work on HEAD.