syzbot


kernel panic: corrupted stack end in sys_nanosleep

Status: auto-closed as invalid on 2020/10/18 17:41
Subsystems: kernel
[Documentation on labels]
Reported-by: syzbot+5ab48e3c61e6bd00478a@syzkaller.appspotmail.com
First crash: 1382d, last: 1382d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel panic: corrupted stack end in sys_nanosleep (2) kernel 2 1099d 1081d 0/26 auto-closed as invalid on 2021/07/27 23:30

Sample crash report:
Kernel panic - not syncing: corrupted stack end detected inside scheduler
CPU: 1 PID: 16415 Comm: syz-executor.0 Not tainted 5.8.0-rc6-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+0x18f/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:231
 schedule_debug kernel/sched/core.c:3969 [inline]
 __schedule+0x2245/0x2250 kernel/sched/core.c:4114
 schedule+0xd0/0x2a0 kernel/sched/core.c:4290
 freezable_schedule include/linux/freezer.h:172 [inline]
 do_nanosleep+0x222/0x650 kernel/time/hrtimer.c:1879
 hrtimer_nanosleep+0x1f6/0x430 kernel/time/hrtimer.c:1932
 __do_sys_nanosleep kernel/time/hrtimer.c:1966 [inline]
 __se_sys_nanosleep kernel/time/hrtimer.c:1953 [inline]
 __x64_sys_nanosleep+0x1dc/0x260 kernel/time/hrtimer.c:1953
 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:384
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45a701
Code: Bad RIP value.
RSP: 002b:00007ffcf191b2d0 EFLAGS: 00000293 ORIG_RAX: 0000000000000023
RAX: ffffffffffffffda RBX: 000000000006cf55 RCX: 000000000045a701
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffcf191b2e0
RBP: 0000000000000001 R08: 00000000b93c7f23 R09: 00000000b93c7f27
R10: 00007ffcf191b3e0 R11: 0000000000000293 R12: 000000000078bf00
R13: 000000000078c900 R14: ffffffffffffffff R15: 000000000078bfac
Kernel Offset: disabled

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/07/20 17:41 upstream 5714ee50bb43 4285ffa3 .config console log report ci-upstream-kasan-gce-root
* Struck through repros no longer work on HEAD.