------------[ cut here ]------------
lp >= size || lp < 0
WARNING: fs/jfs/jfs_dmap.c:2962 at dbAdjTree fs/jfs/jfs_dmap.c:2962 [inline], CPU#0: jfsCommit/121
WARNING: fs/jfs/jfs_dmap.c:2962 at dbJoin+0xc33/0xd60 fs/jfs/jfs_dmap.c:2930, CPU#0: jfsCommit/121
Modules linked in:
CPU: 0 UID: 0 PID: 121 Comm: jfsCommit Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:dbAdjTree fs/jfs/jfs_dmap.c:2962 [inline]
RIP: 0010:dbJoin+0xc33/0xd60 fs/jfs/jfs_dmap.c:2930
Code: eb 0c e8 60 df 57 fe eb 05 e8 59 df 57 fe 31 c0 48 83 c4 68 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 3e df 57 fe 90 <0f> 0b 90 eb df 44 89 e9 80 e1 07 38 c1 0f 8c 00 f4 ff ff 4c 89 ef
RSP: 0018:ffffc90002d0fa28 EFLAGS: 00010293
RAX: ffffffff83704d42 RBX: 0000000000000155 RCX: ffff88801ef51f40
RDX: 0000000000000000 RSI: 0000000000000155 RDI: 0000000004000001
RBP: 0000000000000003 R08: ffffea0001d593c7 R09: 1ffffd40003ab278
R10: dffffc0000000000 R11: fffff940003ab279 R12: dffffc0000000000
R13: ffff88807564f020 R14: 0000000004000001 R15: 0000000000000003
FS:  0000000000000000(0000) GS:ffff888124cb7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f53039b26d0 CR3: 000000007341c000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 dbFreeBits+0x4a2/0xd70 fs/jfs/jfs_dmap.c:2427
 dbFreeDmap fs/jfs/jfs_dmap.c:2176 [inline]
 dbFree+0x324/0x650 fs/jfs/jfs_dmap.c:485
 txFreeMap+0x7ff/0xde0 fs/jfs/jfs_txnmgr.c:2536
 txUpdateMap+0x32d/0x9f0 fs/jfs/jfs_txnmgr.c:-1
 txLazyCommit fs/jfs/jfs_txnmgr.c:2666 [inline]
 jfs_lazycommit+0x44c/0xac0 fs/jfs/jfs_txnmgr.c:2735
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>