------------[ cut here ]------------
WARNING: CPU: 0 PID: 104 at fs/jfs/jfs_dmap.c:2878 dbAdjTree+0x476/0x580 fs/jfs/jfs_dmap.c:2878
Modules linked in:
CPU: 0 UID: 0 PID: 104 Comm: jfsCommit Not tainted 6.13.0-rc3-syzkaller-00136-g8faabc041a00 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:dbAdjTree+0x476/0x580 fs/jfs/jfs_dmap.c:2878
Code: 1c 6f fe eb 0c e8 ca 1c 6f fe eb 05 e8 c3 1c 6f fe 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 ab 1c 6f fe 90 <0f> 0b 90 eb e2 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c be fb ff ff 48
RSP: 0000:ffffc900018afa50 EFLAGS: 00010293
RAX: ffffffff83305745 RBX: 0000000000000155 RCX: ffff88801f92a440
RDX: 0000000000000000 RSI: 0000000000000155 RDI: 0000000000020056
RBP: ffff888043833018 R08: ffffffff83305327 R09: 1ffffd400021c198
R10: dffffc0000000000 R11: fffff9400021c199 R12: 0000000000020056
R13: 0000000000000004 R14: dffffc0000000000 R15: ffff888043833010
FS:  0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056250004a618 CR3: 000000004324c000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dbJoin+0x255/0x310 fs/jfs/jfs_dmap.c:2846
 dbFreeBits+0x4db/0xd90 fs/jfs/jfs_dmap.c:2343
 dbFreeDmap fs/jfs/jfs_dmap.c:2092 [inline]
 dbFree+0x35b/0x680 fs/jfs/jfs_dmap.c:409
 txFreeMap+0x96a/0xd50 fs/jfs/jfs_txnmgr.c:2515
 txUpdateMap+0x342/0xb10
 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]
 jfs_lazycommit+0x49a/0xb80 fs/jfs/jfs_txnmgr.c:2733
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>