syzbot


kernel panic: Kernel stack overflow (3)

Status: moderation: reported on 2024/12/19 12:36
Subsystems: riscv
[Documentation on labels]
Reported-by: syzbot+6717f57b746ce7465bfc@syzkaller.appspotmail.com
First crash: 6d01h, last: 6d01h
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel panic: Kernel stack overflow (2) riscv C 29351 78d 364d 0/28 auto-obsoleted due to no activity on 2024/12/12 15:13
upstream kernel panic: Kernel stack overflow riscv 1 552d 548d 0/28 auto-obsoleted due to no activity on 2023/09/16 13:05

Sample crash report:
 s11: 0000000000000000 t3 : 1fe40000003da064 t4 : ffe3ffff003da094
 t5 : ffe3ffff003da095 t6 : ff20000001ed0551
status: 0000000200000120 badaddr: ff20000001ecfff0 cause: 000000000000000f
Kernel panic - not syncing: Kernel stack overflow
CPU: 1 UID: 0 PID: 7157 Comm: syz.2.846 Not tainted 6.13.0-rc2-syzkaller-g21f1b85c8912 #0
Hardware name: riscv-virtio,qemu (DT)
Call Trace:
[<ffffffff80071bae>] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:130
[<ffffffff8000325c>] show_stack+0x30/0x3c arch/riscv/kernel/stacktrace.c:136
[<ffffffff8005e1d6>] __dump_stack lib/dump_stack.c:94 [inline]
[<ffffffff8005e1d6>] dump_stack_lvl+0x110/0x1a6 lib/dump_stack.c:120
[<ffffffff8005e288>] dump_stack+0x1c/0x24 lib/dump_stack.c:129
[<ffffffff80003e62>] panic+0x38c/0x86e kernel/panic.c:354
[<ffffffff80071372>] handle_bad_stack+0xd4/0xfc arch/riscv/kernel/traps.c:427
[<ffffffff8619a71a>] put_dec+0x22/0xae lib/vsprintf.c:292
SMP: stopping secondary CPUs

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/12/15 12:38 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 21f1b85c8912 7cbfbb3a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 kernel panic: Kernel stack overflow
2024/12/15 12:37 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 21f1b85c8912 7cbfbb3a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 kernel panic: Kernel stack overflow
2024/12/15 12:32 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 21f1b85c8912 7cbfbb3a .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.