syzbot


kernel panic: corrupted stack end in sys_select

Status: auto-closed as invalid on 2021/06/21 19:29
Subsystems: kernel
[Documentation on labels]
Reported-by: syzbot+dbf34bba497baf62541e@syzkaller.appspotmail.com
First crash: 1098d, last: 1098d

Sample crash report:
Kernel panic - not syncing: corrupted stack end detected inside scheduler
CPU: 0 PID: 8462 Comm: sshd Not tainted 5.12.0-rc8-next-20210422-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x141/0x1d7 lib/dump_stack.c:120
 panic+0x306/0x73d kernel/panic.c:231
 schedule_debug kernel/sched/core.c:4828 [inline]
 __schedule+0x23ac/0x23c0 kernel/sched/core.c:4973
 schedule+0xcf/0x270 kernel/sched/core.c:5158
 schedule_hrtimeout_range_clock+0x195/0x370 kernel/time/hrtimer.c:2157
 poll_schedule_timeout.constprop.0+0x107/0x1e0 fs/select.c:243
 do_select+0x1182/0x16a0 fs/select.c:603
 core_sys_select+0x3c2/0x9c0 fs/select.c:677
 kern_select+0x13d/0x1c0 fs/select.c:718
 __do_sys_select fs/select.c:725 [inline]
 __se_sys_select fs/select.c:722 [inline]
 __x64_sys_select+0xba/0x150 fs/select.c:722
 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fc79acf15e3
Code: 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 29 d1 2b 00 00 75 13 49 89 ca b8 17 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 0b 3f 01 00 48 89 04 24
RSP: 002b:00007ffdba4df918 EFLAGS: 00000246 ORIG_RAX: 0000000000000017
RAX: ffffffffffffffda RBX: 000056389dc9e110 RCX: 00007fc79acf15e3
RDX: 000056389dc9e130 RSI: 000056389dc9e110 RDI: 000000000000000b
RBP: 000056389ccc0a88 R08: 00007ffdba4df9a0 R09: 0000000000000100
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffdba4df97f R14: 000056389ca7bbe7 R15: 0000000000000003
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/04/22 19:29 linux-next c457d9676496 33c28d03 .config console log report info ci-upstream-linux-next-kasan-gce-root kernel panic: corrupted stack end in sys_select
* Struck through repros no longer work on HEAD.