syzbot

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lp >= size || lp < 0
WARNING: fs/jfs/jfs_dmap.c:2962 at dbAdjTree+0x2fa/0x3f0 fs/jfs/jfs_dmap.c:2962, CPU#1: jfsCommit/117
Modules linked in:
CPU: 1 UID: 0 PID: 117 Comm: jfsCommit Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:dbAdjTree+0x2fa/0x3f0 fs/jfs/jfs_dmap.c:2962
Code: 00 00 0f 82 8c fe ff ff 48 89 d6 48 c7 c7 60 66 e4 8e 48 89 14 24 e8 f5 dc 93 fd 48 8b 14 24 e9 70 fe ff ff e8 17 ef 64 fe 90 <0f> 0b 90 e8 0e ef 64 fe 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f
RSP: 0018:ffffc90002e2f578 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000155 RCX: ffffffff83a3a429
RDX: ffff88801f3fbd80 RSI: ffffffff83a3a6a9 RDI: ffff88801f3fbd80
RBP: ffff88807346e010 R08: 0000000000000004 R09: 0000000000000155
R10: 0000000000020056 R11: 0000000000000000 R12: 0000000000020056
R13: 0000000000000004 R14: ffff88807346e010 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff888124471000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd87b261a0 CR3: 000000000e596000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 dbJoin+0x24b/0x2b0 fs/jfs/jfs_dmap.c:2930
 dbFreeBits+0x170/0x8d0 fs/jfs/jfs_dmap.c:2427
 dbFreeDmap+0x62/0x1c0 fs/jfs/jfs_dmap.c:2176
 dbFree+0x266/0x550 fs/jfs/jfs_dmap.c:485
 txFreeMap+0x2d3/0xe10 fs/jfs/jfs_txnmgr.c:2517
 xtTruncate+0x24fe/0x2e20 fs/jfs/jfs_xtree.c:2481
 jfs_free_zero_link+0x262/0x4c0 fs/jfs/namei.c:760
 jfs_evict_inode+0x40a/0x4a0 fs/jfs/inode.c:159
 evict+0x3c2/0xad0 fs/inode.c:841
 iput_final fs/inode.c:1960 [inline]
 iput.part.0+0x605/0xf50 fs/inode.c:2009
 iput+0x35/0x40 fs/inode.c:1975
 txUpdateMap+0x8bc/0xb00 fs/jfs/jfs_txnmgr.c:2369
 txLazyCommit fs/jfs/jfs_txnmgr.c:2666 [inline]
 jfs_lazycommit+0x5be/0xab0 fs/jfs/jfs_txnmgr.c:2735
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>