syzbot


kernel panic: stack is corrupted in gfs2_block_map

Status: auto-obsoleted due to no activity on 2023/06/06 06:29
Subsystems: arm gfs2
[Documentation on labels]
Reported-by: syzbot+2b5229694171c6846a90@syzkaller.appspotmail.com
First crash: 433d, last: 433d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [gfs2?] kernel panic: stack is corrupted in gfs2_block_map 0 (1) 2022/12/22 05:09
Last patch testing requests (2)
Created Duration User Patch Repo Result
2023/06/06 06:06 22m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci OK log
2023/03/28 05:32 15m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log

Sample crash report:
loop0: detected capacity change from 0 to 125323
gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: gfs2_block_map+0x33c/0x408
CPU: 1 PID: 3073 Comm: syz-executor388 Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call trace:
 dump_backtrace+0x1c4/0x1f0 arch/arm64/kernel/stacktrace.c:156
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:163
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x104/0x16c lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 panic+0x218/0x508 kernel/panic.c:274
 warn_bogus_irq_restore+0x0/0x40 kernel/panic.c:703
 gfs2_block_map+0x33c/0x408
 0x0
SMP: stopping secondary CPUs
Kernel Offset: disabled
CPU features: 0x00000,040e0108,4c017203
Memory Limit: none
Rebooting in 86400 seconds..

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/12/18 05:03 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 05494336 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 kernel panic: stack is corrupted in gfs2_block_map
* Struck through repros no longer work on HEAD.