Locker's tblock: ffffc90003171630: 00000004 0000072c 00001001 00000000
Tlock: ffffc90003492168: 00010004 202088c4 33e0a4e0 ffff8880
Tlock: ffffc90003492178: 62562ae0 ffff8880 01140000 05000010
Tlock: ffffc90003492188: 00000001 0000072c 00000000 00000000
Tlock: ffffc90003492198: 00000000 00000000 00000000 00000000
Tlock: ffffc900034921a8: 00000000 00000000
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:836!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 6845 Comm: syz.6.142 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 80 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 fb cb 49 01 48 83 c4 10 90 <0f> 0b e8 df f9 6b fe 4c 89 ff 48 c7 c6 e0 88 8b 8b e8 b0 43 cf fd
RSP: 0018:ffffc90002aff560 EFLAGS: 00010286
RAX: e6dfe7275ff79c00 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc9000fb69000 RSI: 000000000001affa RDI: 000000000001affb
RBP: ffffc90002aff698 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1017104923 R12: 0000000000000010
R13: dffffc0000000000 R14: 1ffff9200069242d R15: ffffc9000349216a
FS:  00007fa8a2f646c0(0000) GS:ffff888126170000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555584558a68 CR3: 00000000632ec000 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_mknod+0x6bd/0x9d0 fs/jfs/namei.c:1413
 vfs_mknod+0x44e/0x620 fs/namei.c:5120
 filename_mknodat+0x3cf/0x670 fs/namei.c:-1
 __do_sys_mknod fs/namei.c:5207 [inline]
 __se_sys_mknod+0x3a/0x150 fs/namei.c:5204
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0x560 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa8a4d4ce59
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:00007fa8a2f64028 EFLAGS: 00000246 ORIG_RAX: 0000000000000085
RAX: ffffffffffffffda RBX: 00007fa8a4fc6180 RCX: 00007fa8a4d4ce59
RDX: 000000000000070d RSI: 0000000000002000 RDI: 0000200000000240
RBP: 00007fa8a4de2d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa8a4fc6218 R14: 00007fa8a4fc6180 R15: 00007ffea980eb18
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txLock+0x1c7a/0x1cc0 fs/jfs/jfs_txnmgr.c:836
Code: 48 c7 c6 c0 80 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 fb cb 49 01 48 83 c4 10 90 <0f> 0b e8 df f9 6b fe 4c 89 ff 48 c7 c6 e0 88 8b 8b e8 b0 43 cf fd
RSP: 0018:ffffc90002aff560 EFLAGS: 00010286
RAX: e6dfe7275ff79c00 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc9000fb69000 RSI: 000000000001affa RDI: 000000000001affb
RBP: ffffc90002aff698 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1017104923 R12: 0000000000000010
R13: dffffc0000000000 R14: 1ffff9200069242d R15: ffffc9000349216a
FS:  00007fa8a2f646c0(0000) GS:ffff888126170000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555584558a68 CR3: 00000000632ec000 CR4: 00000000003526f0