Locker's tblock: ffffc90003079630: 00000000 00000000 00000000 00000000
Tlock: ffffc9000339a168: 00020000 80018804 2ddd5c30 ffff8880
Tlock: ffffc9000339a178: 341b5b28 ffff8880 01140000 07002000
Tlock: ffffc9000339a188: 00000208 00000000 00000000 00000000
Tlock: ffffc9000339a198: 00000000 00000000 00000000 00000000
Tlock: ffffc9000339a1a8: 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: 5944 Comm: syz-executor415 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:txLock+0x1cc3/0x1d10 fs/jfs/jfs_txnmgr.c:836
Code: 48 c7 c6 00 06 ac 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 52 dc 62 01 48 83 c4 10 90 <0f> 0b e8 d6 97 65 fe 4c 89 ef 48 c7 c6 20 0e ac 8b e8 67 83 c7 fd
RSP: 0018:ffffc90003e97640 EFLAGS: 00010282
RAX: c657b5ea0448e700 RBX: dffffc0000000000 RCX: ffff88801e3d0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003e97770 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed10170c4903 R12: 0000000000000010
R13: dffffc0000000000 R14: 1ffff9200067342d R15: ffffc9000339a16a
FS:  00007f606560f6c0(0000) GS:ffff888125c3e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6064e0dff8 CR3: 00000000412e4000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 diWrite+0x444/0x1f60 fs/jfs/jfs_imap.c:654
 txCommit+0x83a/0x54a0 fs/jfs/jfs_txnmgr.c:1257
 jfs_truncate_nolock+0x22f/0x340 fs/jfs/inode.c:407
 jfs_truncate+0xce/0x140 fs/jfs/inode.c:420
 jfs_write_begin+0x6f/0x80 fs/jfs/inode.c:308
 generic_perform_write+0x2ad/0x8b0 mm/filemap.c:4358
 generic_file_write_iter+0xaf/0x330 mm/filemap.c:4501
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61e/0xbb0 fs/read_write.c:687
 ksys_write+0x156/0x270 fs/read_write.c:739
 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: 0033:0x7f606666e35e
Code: 08 0f 85 f5 e2 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 90 41 57 41 56 4d 89 c6 41 55 4d 89 cd 41 54 55 53 48 83 ec 08
RSP: 002b:00007f606560f198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f606560f6c0 RCX: 00007f606666e35e
RDX: 0000000000000001 RSI: 00007f60666b33d1 RDI: 0000000000000004
RBP: 00007f60666b302c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f60666b33d1
R13: 0000000000000000 R14: 00007fff2be0b5c0 R15: 00007fff2be0b6a8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txLock+0x1cc3/0x1d10 fs/jfs/jfs_txnmgr.c:836
Code: 48 c7 c6 00 06 ac 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 52 dc 62 01 48 83 c4 10 90 <0f> 0b e8 d6 97 65 fe 4c 89 ef 48 c7 c6 20 0e ac 8b e8 67 83 c7 fd
RSP: 0018:ffffc90003e97640 EFLAGS: 00010282
RAX: c657b5ea0448e700 RBX: dffffc0000000000 RCX: ffff88801e3d0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003e97770 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed10170c4903 R12: 0000000000000010
R13: dffffc0000000000 R14: 1ffff9200067342d R15: ffffc9000339a16a
FS:  00007f606560f6c0(0000) GS:ffff888125c3e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6064e0dff8 CR3: 00000000412e4000 CR4: 00000000003526f0