Locker's tblock: ffffc900031a14a0: 00000004 0000072c 00001002 00000000
Tlock: ffffc900034c2288: 00030000 80018000 1dfa2d68 ffff8880
Tlock: ffffc900034c2298: 4ed7d240 ffff8880 02140000 07002000
Tlock: ffffc900034c22a8: 01040107 00000000 00000000 00000000
Tlock: ffffc900034c22b8: 00000000 00000000 00000000 00000000
Tlock: ffffc900034c22c8: 00000000 00000000
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:835!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 8456 Comm: syz.8.314 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:txLock+0x1c7a/0x1cc0 fs/jfs/jfs_txnmgr.c:835
Code: 48 c7 c6 c0 9d 6a 8b ba 01 00 00 00 b9 10 00 00 00 41 b8 04 00 00 00 4c 8b 4c 24 30 6a 00 6a 48 e8 fb 7b 46 01 48 83 c4 10 90 <0f> 0b e8 9f 79 74 fe 4c 89 ff 48 c7 c6 e0 a5 6a 8b e8 b0 1e d9 fd
RSP: 0018:ffffc900051470e0 EFLAGS: 00010282
RAX: c1c755112dd85000 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc9000f556000 RSI: 000000000001a8e6 RDI: 000000000001a8e7
RBP: ffffc90005147218 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1017124923 R12: 0000000000000010
R13: dffffc0000000000 R14: 1ffff92000698451 R15: ffffc900034c228a
FS:  00007f8fce1616c0(0000) GS:ffff888126695000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30c19ff8 CR3: 000000005937e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 dtSplitRoot+0x36f/0x16c0 fs/jfs/jfs_dtree.c:1927
 dtSplitUp fs/jfs/jfs_dtree.c:993 [inline]
 dtInsert+0xf19/0x5f10 fs/jfs/jfs_dtree.c:871
 jfs_create+0x75b/0xb10 fs/jfs/namei.c:138
 lookup_open fs/namei.c:4483 [inline]
 open_last_lookups fs/namei.c:4583 [inline]
 path_openat+0x13b4/0x38a0 fs/namei.c:4827
 do_file_open+0x23e/0x4a0 fs/namei.c:4859
 do_sys_openat2+0x113/0x200 fs/open.c:1366
 do_sys_open fs/open.c:1372 [inline]
 __do_sys_openat fs/open.c:1388 [inline]
 __se_sys_openat fs/open.c:1383 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1383
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8fd036c629
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8fce161028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f8fd05e6270 RCX: 00007f8fd036c629
RDX: 000000000000275a RSI: 0000200000000200 RDI: ffffffffffffff9c
RBP: 00007f8fd0402b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8fd05e6308 R14: 00007f8fd05e6270 R15: 00007ffd84a36688
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txLock+0x1c7a/0x1cc0 fs/jfs/jfs_txnmgr.c:835
Code: 48 c7 c6 c0 9d 6a 8b ba 01 00 00 00 b9 10 00 00 00 41 b8 04 00 00 00 4c 8b 4c 24 30 6a 00 6a 48 e8 fb 7b 46 01 48 83 c4 10 90 <0f> 0b e8 9f 79 74 fe 4c 89 ff 48 c7 c6 e0 a5 6a 8b e8 b0 1e d9 fd
RSP: 0018:ffffc900051470e0 EFLAGS: 00010282
RAX: c1c755112dd85000 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc9000f556000 RSI: 000000000001a8e6 RDI: 000000000001a8e7
RBP: ffffc90005147218 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1017124923 R12: 0000000000000010
R13: dffffc0000000000 R14: 1ffff92000698451 R15: ffffc900034c228a
FS:  00007f8fce1616c0(0000) GS:ffff888126695000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30c19ff8 CR3: 000000005937e000 CR4: 00000000003526f0