Locker's tblock: ffffc900030d9600: 931c52d0 ffffffff 00000000 00000000
Locker's tblock: ffffc900030d9610: 8b8b7060 ffffffff 00000300 00000000
Locker's tblock: ffffc900030d9620: 030d9620 ffffc900 030d9620 ffffc900
Locker's tblock: ffffc900030d9630: 00000004 0000072c 00001020 00000000
Tlock: ffffc900033fa558: 00050000 80018804 1e30d750 ffff8880
Tlock: ffffc900033fa568: 4071aae0 ffff8880 01140000 07002000
Tlock: ffffc900033fa578: 01000104 00000000 00000000 00000000
Tlock: ffffc900033fa588: 00000000 00000000 00000000 00000000
Tlock: ffffc900033fa598: 00000000 00000000
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:836!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 12323 Comm: syz.5.807 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:txLock+0x1c7a/0x1cc0 fs/jfs/jfs_txnmgr.c:836
Code: 48 c7 c6 c0 76 8b 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 5b 86 49 01 48 83 c4 10 90 <0f> 0b e8 6f 27 6c fe 4c 89 ff 48 c7 c6 e0 7e 8b 8b e8 70 73 cf fd
RSP: 0018:ffffc90003e67540 EFLAGS: 00010282
RAX: 64a211bae1301000 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc90011576000 RSI: 000000000001c373 RDI: 000000000001c374
RBP: ffffc90003e67678 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1017124923 R12: 0000000000000010
R13: dffffc0000000000 R14: 1ffff9200067f4ab R15: ffffc900033fa55a
FS:  00007f05a31456c0(0000) GS:ffff88812627d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd1992e6068 CR3: 0000000076360000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 dtSplitRoot+0x36f/0x16c0 fs/jfs/jfs_dtree.c:1924
 dtSplitUp fs/jfs/jfs_dtree.c:990 [inline]
 dtInsert+0xeea/0x5cd0 fs/jfs/jfs_dtree.c:868
 jfs_mkdir+0x783/0xb00 fs/jfs/namei.c:271
 vfs_mkdir+0x40b/0x630 fs/namei.c:5261
 filename_mkdirat+0x289/0x520 fs/namei.c:5294
 __do_sys_mkdirat fs/namei.c:5315 [inline]
 __se_sys_mkdirat+0x35/0x150 fs/namei.c:5312
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f05a4f0bc47
Code: 00 66 90 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 db f7 ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 b8 02 01 00 00 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:00007f05a3144e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f05a3144ee0 RCX: 00007f05a4f0bc47
RDX: 00000000000001ff RSI: 0000200000000f00 RDI: 00000000ffffff9c
RBP: 0000200000000f40 R08: 0000200000000180 R09: 0000000000000000
R10: 0000200000000f40 R11: 0000000000000246 R12: 0000200000000f00
R13: 00007f05a3144ea0 R14: 0000000000000000 R15: 0000200000000280
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txLock+0x1c7a/0x1cc0 fs/jfs/jfs_txnmgr.c:836
Code: 48 c7 c6 c0 76 8b 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 5b 86 49 01 48 83 c4 10 90 <0f> 0b e8 6f 27 6c fe 4c 89 ff 48 c7 c6 e0 7e 8b 8b e8 70 73 cf fd
RSP: 0018:ffffc90003e67540 EFLAGS: 00010282
RAX: 64a211bae1301000 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc90011576000 RSI: 000000000001c373 RDI: 000000000001c374
RBP: ffffc90003e67678 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1017124923 R12: 0000000000000010
R13: dffffc0000000000 R14: 1ffff9200067f4ab R15: ffffc900033fa55a
FS:  00007f05a31456c0(0000) GS:ffff88812627d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd1992e4890 CR3: 0000000076360000 CR4: 00000000003526f0