kernel panic: Kernel stack overflow

kernel panic: Kernel stack overflow

Status: auto-obsoleted due to no activity on 2023/09/16 13:05
Subsystems: riscv
[Documentation on labels]
Reported-by: syzbot+3f3bba96295371282a99@syzkaller.appspotmail.com
First crash: 901d, last: 901d

▶ ▼ Similar bugs (2)

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	kernel panic: Kernel stack overflow (2) riscv	2	C			29351	428d	713d	0/29	auto-obsoleted due to no activity on 2024/12/12 15:13
upstream	kernel panic: Kernel stack overflow (3) riscv	2				48	97d	346d	0/29	auto-obsoleted due to no activity on 2025/11/14 04:17

Sample crash report:

 s11: ff6000004050bd40 t3 : fffffffff3f3f300 t4 : ffffffff801349ac
 t5 : 1fe4000000a44048 t6 : ff20000005220e98
status: 0000000000000100 badaddr: ff2000000521fff0 cause: 000000000000000f
Kernel panic - not syncing: Kernel stack overflow
CPU: 0 PID: 17066 Comm: syz-executor.1 Not tainted 6.4.0-rc1-syzkaller-00012-gb104dbedbe61 #0
Hardware name: riscv-virtio,qemu (DT)
Call Trace:
[<ffffffff8000aa96>] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:121
[<ffffffff834dd8b4>] show_stack+0x34/0x40 arch/riscv/kernel/stacktrace.c:127
[<ffffffff8351d78e>] __dump_stack lib/dump_stack.c:88 [inline]
[<ffffffff8351d78e>] dump_stack_lvl+0xe0/0x14c lib/dump_stack.c:106
[<ffffffff8351d816>] dump_stack+0x1c/0x24 lib/dump_stack.c:113
[<ffffffff834de0de>] panic+0x27c/0x662 kernel/panic.c:340
[<ffffffff8000a706>] walk_stackframe+0x0/0x2fe arch/riscv/kernel/traps.c:390
[<ffffffff8013387c>] mark_lock+0x16c/0xe1a kernel/locking/lockdep.c:4620
SMP: stopping secondary CPUs
Rebooting in 86400 seconds..

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2023/06/18 13:05	git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes	b104dbedbe61	f3921d4d	.config	console log	report			info	[disk image (non-bootable)] [vmlinux] [kernel image]	ci-qemu2-riscv64	kernel panic: Kernel stack overflow

* ~~Struck through~~ repros no longer work on HEAD.