syzbot


kernel panic: corrupted stack end in sys_clock_nanosleep

Status: upstream: reported C repro on 2024/05/28 12:14
Subsystems: kernel
[Documentation on labels]
Reported-by: syzbot+5262420a20b007a770ca@syzkaller.appspotmail.com
First crash: 28d, last: 22d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [kernel?] kernel panic: corrupted stack end in sys_clock_nanosleep 0 (1) 2024/05/28 12:14
Last patch testing requests (2)
Created Duration User Patch Repo Result
2024/06/14 02:59 25m retest repro upstream OK log
2024/06/14 02:59 26m retest repro upstream OK log

Sample crash report:
Kernel panic - not syncing: corrupted stack end detected inside scheduler
CPU: 0 PID: 3188 Comm: syz-executor423 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
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x34/0x104 kernel/sched/core.c:6837
 do_nanosleep.constprop.0+0x7c/0x138 kernel/time/hrtimer.c:2028
 hrtimer_nanosleep+0xa4/0x114 kernel/time/hrtimer.c:2081
 common_nsleep+0x44/0x6c kernel/time/posix-timers.c:1350
 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1396 [inline]
 __se_sys_clock_nanosleep kernel/time/posix-timers.c:1373 [inline]
 __arm64_sys_clock_nanosleep+0xcc/0x144 kernel/time/posix-timers.c:1373
 __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 (4):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/05/30 20:36 upstream 4a4be1ad3a6e 34889ee3 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte kernel panic: corrupted stack end in sys_clock_nanosleep
2024/05/24 12:09 upstream 6d69b6c12fce 8f98448e .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte kernel panic: corrupted stack end in sys_clock_nanosleep
2024/05/31 02:56 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 sys_clock_nanosleep
2024/05/29 10:02 upstream e0cce98fe279 34889ee3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte kernel panic: corrupted stack end in sys_clock_nanosleep
* Struck through repros no longer work on HEAD.