syzbot

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WARNING: fs/jfs/jfs_dmap.c:2875 at dbAdjTree+0x454/0x4e0 fs/jfs/jfs_dmap.c:2875, CPU#1: jfsCommit/123
Modules linked in:
CPU: 1 UID: 0 PID: 123 Comm: jfsCommit Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:dbAdjTree+0x454/0x4e0 fs/jfs/jfs_dmap.c:2875
Code: 5a ff ff ff e8 ed b6 81 fe eb 05 e8 e6 b6 81 fe 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 cd b6 81 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:ffffc90003a474c8 EFLAGS: 00010293
RAX: ffffffff833eabf3 RBX: ffff8880270dd010 RCX: ffff88801c71bc80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000020056 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff940001386e9 R12: ffff8880270dd018
R13: dffffc0000000000 R14: 0000000000000004 R15: 0000000000000155
FS:  0000000000000000(0000) GS:ffff888126e03000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005642fbb3a1d0 CR3: 000000000d3a8000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 dbJoin+0x238/0x300 fs/jfs/jfs_dmap.c:2843
 dbFreeBits+0x4e1/0xdb0 fs/jfs/jfs_dmap.c:2340
 dbFreeDmap fs/jfs/jfs_dmap.c:2089 [inline]
 dbFree+0x336/0x650 fs/jfs/jfs_dmap.c:398
 txFreeMap+0x9e6/0xde0 fs/jfs/jfs_txnmgr.c:2516
 xtTruncate+0xcea/0x2e70 fs/jfs/jfs_xtree.c:2481
 jfs_free_zero_link+0x33a/0x4a0 fs/jfs/namei.c:759
 jfs_evict_inode+0x363/0x440 fs/jfs/inode.c:159
 evict+0x5f4/0xae0 fs/inode.c:837
 txLazyCommit fs/jfs/jfs_txnmgr.c:2665 [inline]
 jfs_lazycommit+0x3f1/0xa10 fs/jfs/jfs_txnmgr.c:2734
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>