syzbot


kernel panic: corrupted stack end in do_idle (2)

Status: moderation: reported on 2025/05/28 20:47
Subsystems: kernel
[Documentation on labels]
Reported-by: syzbot+ea36d04a4d0cf12c7d4e@syzkaller.appspotmail.com
First crash: 5d13h, last: 5d13h
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel panic: corrupted stack end in do_idle kernel 11 262d 296d 0/28 auto-obsoleted due to no activity on 2024/12/19 09:40

Sample crash report:
Kernel panic - not syncing: corrupted stack end detected inside scheduler
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc7-syzkaller #0 PREEMPT 
Hardware name: ARM-Versatile Express
Call trace: 
[<802019e4>] (dump_backtrace) from [<80201ae0>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:00000000 r6:828227fc r5:00000000 r4:82257fc8
[<80201ac8>] (show_stack) from [<8021ff7c>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201ac8>] (show_stack) from [<8021ff7c>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:120)
[<8021ff28>] (dump_stack_lvl) from [<8021ffbc>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r5:00000000 r4:82a70d4c
[<8021ffa4>] (dump_stack) from [<802025f8>] (panic+0x120/0x374 kernel/panic.c:354)
[<802024d8>] (panic) from [<81a54238>] (schedule_debug kernel/sched/core.c:5949 [inline])
[<802024d8>] (panic) from [<81a54238>] (__schedule+0xf54/0xf58 kernel/sched/core.c:6666)
 r3:57ac6e9d r2:00000006 r1:82257fc8 r0:82249694
 r7:8281b4c0
[<81a532e4>] (__schedule) from [<81a54588>] (schedule_idle+0x24/0x68 kernel/sched/core.c:6886)
 r10:00000000 r9:00000000 r8:00000000 r7:8280c650 r6:8281b4c0 r5:8280c610
 r4:8281b4c0
[<81a54564>] (schedule_idle) from [<802bed84>] (do_idle+0x198/0x2c8 kernel/sched/idle.c:353)
 r5:8280c610 r4:00000000
[<802bebec>] (do_idle) from [<802bf1e4>] (cpu_startup_entry+0x30/0x34 kernel/sched/idle.c:423)
 r10:8281aff4 r9:8238013c r8:00000000 r7:8280c5c0 r6:deffc06c r5:82825108
 r4:000000ee
[<802bf1b4>] (cpu_startup_entry) from [<81a51584>] (kernel_init+0x0/0x138 init/main.c:743)
[<81a514a4>] (rest_init) from [<826012a4>] (start_kernel+0x714/0x730 init/main.c:1099)
[<82600b90>] (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
2025/05/24 20:42 upstream b1427432d3b6 ed351ea7 .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.