------------[ cut here ]------------
WARNING: CPU: 1 PID: 115 at fs/jfs/jfs_dmap.c:2863 dbAdjTree+0x454/0x4e0 fs/jfs/jfs_dmap.c:2863
Modules linked in:
CPU: 1 UID: 0 PID: 115 Comm: jfsCommit Not tainted 6.15.0-rc5-syzkaller-00300-g3ce9925823c7 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:dbAdjTree+0x454/0x4e0 fs/jfs/jfs_dmap.c:2863
Code: 5a ff ff ff e8 3d 23 86 fe eb 05 e8 36 23 86 fe 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d e9 fe 93 d6 fd cc e8 1d 23 86 fe 90 <0f> 0b 90 eb e1 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c e1 fb ff ff
RSP: 0018:ffffc90002de7a28 EFLAGS: 00010293
RAX: ffffffff8339ad13 RBX: ffff88802f837010 RCX: ffff88801dbb3c00
RDX: 0000000000000000 RSI: 0000000000000155 RDI: 000000005ff20056
RBP: 000000005ff20056 R08: ffffea0000be0dc7 R09: 1ffffd400017c1b8
R10: dffffc0000000000 R11: fffff9400017c1b9 R12: ffff88802f837018
R13: dffffc0000000000 R14: 0000000000000004 R15: 0000000000000155
FS:  0000000000000000(0000) GS:ffff8881261cb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30018ff8 CR3: 0000000033397000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 dbJoin+0x238/0x300 fs/jfs/jfs_dmap.c:2831
 dbFreeBits+0x4e1/0xdb0 fs/jfs/jfs_dmap.c:2328
 dbFreeDmap fs/jfs/jfs_dmap.c:2077 [inline]
 dbFree+0x336/0x650 fs/jfs/jfs_dmap.c:394
 txFreeMap+0x7ff/0xde0 fs/jfs/jfs_txnmgr.c:2534
 txUpdateMap+0x308/0x9c0 fs/jfs/jfs_txnmgr.c:-1
 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]
 jfs_lazycommit+0x43f/0xa90 fs/jfs/jfs_txnmgr.c:2733
 kthread+0x711/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x4e/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>