syzbot

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WARNING: CPU: 1 PID: 112 at fs/jfs/jfs_dmap.c:2867 dbAdjTree+0x448/0x4d0 fs/jfs/jfs_dmap.c:2867
Modules linked in:
CPU: 1 PID: 112 Comm: jfsCommit Not tainted 6.6.100-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:2867
Code: e8 cd 0f e0 fe e9 5a ff ff ff e8 23 ca 88 fe eb 05 e8 1c ca 88 fe 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 08 ca 88 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:ffffc90002d07ac8 EFLAGS: 00010293
RAX: ffffffff82fccb78 RBX: ffff888076053010 RCX: ffff888019333c00
RDX: 0000000000000000 RSI: 0000000000000155 RDI: 0000000000020056
RBP: 0000000000020056 R08: ffffea0001d814c7 R09: 1ffffd40003b0298
R10: dffffc0000000000 R11: fffff940003b0299 R12: ffff888076053018
R13: dffffc0000000000 R14: 0000000000000004 R15: 0000000000000155
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c003c49000 CR3: 000000000cb30000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 dbJoin+0x238/0x300 fs/jfs/jfs_dmap.c:2835
 dbFreeBits+0x4e2/0xdb0 fs/jfs/jfs_dmap.c:2332
 dbFreeDmap fs/jfs/jfs_dmap.c:2081 [inline]
 dbFree+0x332/0x650 fs/jfs/jfs_dmap.c:398
 txFreeMap+0x7ff/0xde0 fs/jfs/jfs_txnmgr.c:2534
 txUpdateMap+0x306/0x890 fs/jfs/jfs_txnmgr.c:-1
 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]
 jfs_lazycommit+0x42b/0xa60 fs/jfs/jfs_txnmgr.c:2732
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>