syzbot


kernel BUG in LogSyncRelease

Status: upstream: reported on 2022/12/05 09:14
Reported-by: syzbot+e3f67d10138647b6effa@syzkaller.appspotmail.com
First crash: 63d, last: 63d

Sample crash report:
read_mapping_page failed!
BUG at fs/jfs/jfs_txnmgr.c:2790 assert(mp->nohomeok)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:2790!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 17148 Comm: syz-executor.2 Not tainted 6.1.0-rc7-syzkaller-33097-ge3cb714fb489 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : LogSyncRelease+0x120/0x240 fs/jfs/jfs_txnmgr.c:2790
lr : LogSyncRelease+0x120/0x240 fs/jfs/jfs_txnmgr.c:2790
sp : ffff80001366b9d0
x29: ffff80001366b9d0 x28: ffff80000efd4000 x27: 0000000000000000
x26: 0000000000003cc8 x25: ffff00011c6c5e60 x24: ffff80000efd4308
x23: ffff80000efd4000 x22: 000000000000000d x21: ffff80000d5a8b88
x20: 0000000000000000 x19: ffff00011c6c5e60 x18: 000000000000ba7e
x17: ffff80000c0cd83c x16: ffff80000dbe6158 x15: ffff00010eb99a40
x14: 0000000000000000 x13: 00000000ffffffff x12: ffff00010eb99a40
x11: ff808000081c4d64 x10: 0000000000000000 x9 : 878bda7d75e5d900
x8 : 878bda7d75e5d900 x7 : ffff80000816678c x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0001fefbecd0 x1 : 0000000100000000 x0 : 0000000000000034
Call trace:
 LogSyncRelease+0x120/0x240 fs/jfs/jfs_txnmgr.c:2790
 txAbort+0xf0/0x260 fs/jfs/jfs_txnmgr.c:2616
 txCommit+0x348/0x1824 fs/jfs/jfs_txnmgr.c:1349
 jfs_mkdir+0x450/0x490 fs/jfs/namei.c:290
 vfs_mkdir+0x1f8/0x2b0 fs/namei.c:4036
 do_mkdirat+0xe4/0x22c fs/namei.c:4061
 __do_sys_mkdirat fs/namei.c:4076 [inline]
 __se_sys_mkdirat fs/namei.c:4074 [inline]
 __arm64_sys_mkdirat+0x40/0x54 fs/namei.c:4074
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x140 arch/arm64/kernel/syscall.c:197
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584
Code: 91097021 912ee063 52815cc2 94cbe7d5 (d4210000) 
---[ end trace 0000000000000000 ]---

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-upstream-gce-arm64 2022/12/03 16:01 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e3cb714fb489 e080de16 .config console log report info [disk image] [vmlinux] [kernel image] kernel BUG in LogSyncRelease
* Struck through repros no longer work on HEAD.