syzbot


kernel panic: corrupted stack end in do_idle

Status: moderation: reported on 2024/05/29 05:01
Subsystems: kernel
[Documentation on labels]
Reported-by: syzbot+d6a7ff9066d29d3b4f4f@syzkaller.appspotmail.com
First crash: 21d, last: 21d

Sample crash report:
Kernel panic - not syncing: corrupted stack end detected inside scheduler
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.9.0-syzkaller #0
Hardware name: ARM-Versatile Express
Call trace: 
[<818d5778>] (dump_backtrace) from [<818d5874>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:00000000 r6:82622d44 r5:00000000 r4:81fe1590
[<818d585c>] (show_stack) from [<818f2e84>] (__dump_stack lib/dump_stack.c:88 [inline])
[<818d585c>] (show_stack) from [<818f2e84>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:114)
[<818f2e30>] (dump_stack_lvl) from [<818f2ec4>] (dump_stack+0x18/0x1c lib/dump_stack.c:123)
 r5:00000000 r4:8285fd18
[<818f2eac>] (dump_stack) from [<818d631c>] (panic+0x120/0x358 kernel/panic.c:347)
[<818d61fc>] (panic) from [<818f7a6c>] (schedule_debug kernel/sched/core.c:5962 [inline])
[<818d61fc>] (panic) from [<818f7a6c>] (__schedule+0xbd4/0xbd8 kernel/sched/core.c:6628)
 r3:57ac6e9d r2:8260001c r1:81fe1590 r0:81fd4eac
 r7:824b6440
[<818f6e98>] (__schedule) from [<818f7fe4>] (schedule_idle+0x24/0x68 kernel/sched/core.c:6863)
 r10:00000000 r9:00000000 r8:00000000 r7:8260c5f8 r6:8261ad80 r5:8260c5d0
 r4:8261ad80
[<818f7fc0>] (schedule_idle) from [<8029b7b0>] (do_idle+0x19c/0x2cc kernel/sched/idle.c:360)
 r5:8260c5d0 r4:00000000
[<8029b614>] (do_idle) from [<8029bc14>] (cpu_startup_entry+0x30/0x34 kernel/sched/idle.c:430)
 r10:8261a8b0 r9:820f7964 r8:8260c580 r7:00000000 r6:deffc061 r5:82625cbc
 r4:000000ec
[<8029bbe4>] (cpu_startup_entry) from [<818f51d0>] (kernel_init+0x0/0x138 init/main.c:747)
[<818f50f0>] (rest_init) from [<82401398>] (start_kernel+0x75c/0x778 init/main.c:1103)
[<82400c3c>] (start_kernel) from [<00000000>] (0x0)
Rebooting in 86400 seconds..

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/05/25 04:56 upstream 02c438bbfffe a10a183e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 kernel panic: corrupted stack end in do_idle
* Struck through repros no longer work on HEAD.