Locker's tblock: ffffc90003121310: 00000004 0000072c 00001000 00000000
Tlock: ffffc900034420d8: 00020004 80018804 1e7644e0 ffff8880
Tlock: ffffc900034420e8: 630c5180 ffff8880 03140000 07002000
Tlock: ffffc900034420f8: 01070206 00000104 00000000 00000000
Tlock: ffffc90003442108: 00000000 00000000 00000000 00000000
Tlock: ffffc90003442118: 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: 5799 Comm: syz.3.4 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:txLock+0x1cc3/0x1d10 fs/jfs/jfs_txnmgr.c:836
Code: 48 c7 c6 c0 f0 8b 8b ba 01 00 00 00 b9 10 00 00 00 41 b8 04 00 00 00 4c 8b 4c 24 08 6a 00 6a 48 e8 92 eb 49 01 48 83 c4 10 90 <0f> 0b e8 d6 ff 65 fe 4c 89 ef 48 c7 c6 e0 f8 8b 8b e8 97 8c c8 fd
RSP: 0000:ffffc90005a67580 EFLAGS: 00010282
RAX: a56c35b697d1df00 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc900112b1000 RSI: 000000000001e6d5 RDI: 000000000001e6d6
RBP: ffffc90005a676c0 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1017104903 R12: 0000000000000010
R13: dffffc0000000000 R14: 1ffff9200068841b R15: ffffc900034420da
FS:  00007f34890b06c0(0000) GS:ffff888126111000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fad0facd000 CR3: 000000003d6b2000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 dtSplitRoot+0x38d/0x1900 fs/jfs/jfs_dtree.c:1924
 dtSplitUp fs/jfs/jfs_dtree.c:990 [inline]
 dtInsert+0xedd/0x5cb0 fs/jfs/jfs_dtree.c:868
 jfs_mknod+0x6b6/0x9d0 fs/jfs/namei.c:1413
 vfs_mknod+0x443/0x610 fs/namei.c:5131
 filename_mknodat+0x3cf/0x670 fs/namei.c:-1
 __do_sys_mknod fs/namei.c:5218 [inline]
 __se_sys_mknod+0x3a/0x150 fs/namei.c:5215
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f348aebce59
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:00007f34890b0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000085
RAX: ffffffffffffffda RBX: 00007f348b136090 RCX: 00007f348aebce59
RDX: 0000000000000706 RSI: 0000000000002000 RDI: 0000200000001280
RBP: 00007f348af52e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f348b136128 R14: 00007f348b136090 R15: 00007ffc8310b058
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txLock+0x1cc3/0x1d10 fs/jfs/jfs_txnmgr.c:836
Code: 48 c7 c6 c0 f0 8b 8b ba 01 00 00 00 b9 10 00 00 00 41 b8 04 00 00 00 4c 8b 4c 24 08 6a 00 6a 48 e8 92 eb 49 01 48 83 c4 10 90 <0f> 0b e8 d6 ff 65 fe 4c 89 ef 48 c7 c6 e0 f8 8b 8b e8 97 8c c8 fd
RSP: 0000:ffffc90005a67580 EFLAGS: 00010282
RAX: a56c35b697d1df00 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc900112b1000 RSI: 000000000001e6d5 RDI: 000000000001e6d6
RBP: ffffc90005a676c0 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1017104903 R12: 0000000000000010
R13: dffffc0000000000 R14: 1ffff9200068841b R15: ffffc900034420da
FS:  00007f34890b06c0(0000) GS:ffff888126111000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb28abea000 CR3: 000000003d6b2000 CR4: 00000000003526f0