------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:2830!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4384 Comm: syz.0.13 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:LogSyncRelease fs/jfs/jfs_txnmgr.c:2830 [inline]
RIP: 0010:txAbort+0x596/0x5c0 fs/jfs/jfs_txnmgr.c:2656
Code: fe e9 3e ff ff ff e8 f9 e3 a9 fe 48 c7 c7 00 60 42 8a 48 c7 c6 f9 5b 42 8a ba 0e 0b 00 00 48 c7 c1 80 71 42 8a e8 ca 86 c9 06 <0f> 0b e8 d3 e3 a9 fe 48 c7 c7 00 60 42 8a 48 c7 c6 f9 5b 42 8a ba
RSP: 0018:ffffc90003e77278 EFLAGS: 00010246
RAX: 0000000000000034 RBX: 000000000000000a RCX: 75230552adbcc300
RDX: ffffc90004b49000 RSI: 0000000000020786 RDI: 0000000000020787
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed10172067b0
R10: ffffed10172067b0 R11: 1ffff110172067af R12: 000000000000005a
R13: ffff88805ce66d90 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007f9fc26476c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f91309c6000 CR3: 000000001f1d5000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 txCommit+0x44b6/0x51c0 fs/jfs/jfs_txnmgr.c:1355
 jfs_mkdir+0x875/0xa70 fs/jfs/namei.c:290
 vfs_mkdir+0x387/0x570 fs/namei.c:4073
 ovl_do_mkdir fs/overlayfs/overlayfs.h:166 [inline]
 ovl_mkdir_real+0x53/0x1a0 fs/overlayfs/dir.c:146
 ovl_workdir_create+0x293/0x580 fs/overlayfs/super.c:796
 ovl_make_workdir fs/overlayfs/super.c:1376 [inline]
 ovl_get_workdir+0x352/0x11a0 fs/overlayfs/super.c:1526
 ovl_fill_super+0x1925/0x2ae0 fs/overlayfs/super.c:2082
 mount_nodev+0x52/0xe0 fs/super.c:1446
 legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
 vfs_get_tree+0x88/0x270 fs/super.c:1530
 do_new_mount+0x24a/0xa40 fs/namespace.c:3034
 do_mount fs/namespace.c:3377 [inline]
 __do_sys_mount fs/namespace.c:3585 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3562
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f9fc43e0749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9fc2647038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f9fc4636fa0 RCX: 00007f9fc43e0749
RDX: 0000200000000000 RSI: 0000200000000040 RDI: 0000000000000000
RBP: 00007f9fc4464f91 R08: 0000200000000100 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9fc4637038 R14: 00007f9fc4636fa0 R15: 00007ffc8d7790b8
 </TASK>
Modules linked in:
---[ end trace 0b2d071ac0335b8a ]---
RIP: 0010:LogSyncRelease fs/jfs/jfs_txnmgr.c:2830 [inline]
RIP: 0010:txAbort+0x596/0x5c0 fs/jfs/jfs_txnmgr.c:2656
Code: fe e9 3e ff ff ff e8 f9 e3 a9 fe 48 c7 c7 00 60 42 8a 48 c7 c6 f9 5b 42 8a ba 0e 0b 00 00 48 c7 c1 80 71 42 8a e8 ca 86 c9 06 <0f> 0b e8 d3 e3 a9 fe 48 c7 c7 00 60 42 8a 48 c7 c6 f9 5b 42 8a ba
RSP: 0018:ffffc90003e77278 EFLAGS: 00010246
RAX: 0000000000000034 RBX: 000000000000000a RCX: 75230552adbcc300
RDX: ffffc90004b49000 RSI: 0000000000020786 RDI: 0000000000020787
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed10172067b0
R10: ffffed10172067b0 R11: 1ffff110172067af R12: 000000000000005a
R13: ffff88805ce66d90 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007f9fc26476c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efcbe0a4000 CR3: 000000001f1d5000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400