------------[ cut here ]------------
WARNING: CPU: 0 PID: 275 at fs/jfs/jfs_dmap.c:2950 dbAdjTree+0x448/0x4d0 fs/jfs/jfs_dmap.c:2950
Modules linked in:
CPU: 0 PID: 275 Comm: jfsCommit Not tainted 5.15.186-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:dbAdjTree+0x448/0x4d0 fs/jfs/jfs_dmap.c:2950
Code: e8 3d 71 f2 fe e9 5a ff ff ff e8 63 f8 ac fe eb 05 e8 5c f8 ac fe 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 48 f8 ac fe <0f> 0b eb e8 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ee fb ff ff 4c
RSP: 0018:ffffc90002cffae8 EFLAGS: 00010293
RAX: ffffffff82cacac8 RBX: ffff888059999010 RCX: ffff88801d3e3b80
RDX: 0000000000000000 RSI: 0000000000000155 RDI: 000000005ff20056
RBP: 000000005ff20056 R08: dffffc0000000000 R09: fffff940002cccc9
R10: fffff940002cccc9 R11: 1ffffd40002cccc8 R12: ffff888059999018
R13: dffffc0000000000 R14: 0000000000000004 R15: 0000000000000155
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6ccb831d60 CR3: 000000002a3c2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dbJoin+0x238/0x300 fs/jfs/jfs_dmap.c:2918
 dbFreeBits+0x4e2/0xd80 fs/jfs/jfs_dmap.c:2415
 dbFreeDmap fs/jfs/jfs_dmap.c:2164 [inline]
 dbFree+0x32e/0x640 fs/jfs/jfs_dmap.c:413
 txFreeMap+0x7fb/0xde0 fs/jfs/jfs_txnmgr.c:2568
 txUpdateMap+0x306/0x890 fs/jfs/jfs_txnmgr.c:-1
 txLazyCommit fs/jfs/jfs_txnmgr.c:2698 [inline]
 jfs_lazycommit+0x437/0xb20 fs/jfs/jfs_txnmgr.c:2766
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>