syzbot

------------[ cut here ]------------
WARNING: CPU: 0 PID: 112 at fs/jfs/jfs_dmap.c:2875 dbAdjTree fs/jfs/jfs_dmap.c:2875 [inline]
WARNING: CPU: 0 PID: 112 at fs/jfs/jfs_dmap.c:2875 dbJoin+0xc17/0xd40 fs/jfs/jfs_dmap.c:2843
Modules linked in:
CPU: 0 PID: 112 Comm: jfsCommit Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:dbAdjTree fs/jfs/jfs_dmap.c:2875 [inline]
RIP: 0010:dbJoin+0xc17/0xd40 fs/jfs/jfs_dmap.c:2843
Code: ff e8 fd 85 83 fe eb 0c e8 f6 85 83 fe eb 05 e8 ef 85 83 fe 31 c0 48 83 c4 68 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 d9 85 83 fe <0f> 0b eb e6 44 89 e9 80 e1 07 38 c1 0f 8c 1d f4 ff ff 4c 89 ef e8
RSP: 0018:ffffc90002cf7690 EFLAGS: 00010293
RAX: ffffffff83035f77 RBX: 0000000000000155 RCX: ffff888018fd8000
RDX: 0000000000000000 RSI: 0000000000000155 RDI: 0000000000020056
RBP: 0000000000000004 R08: ffffea0001dfd287 R09: 1ffffd40003bfa50
R10: dffffc0000000000 R11: fffff940003bfa51 R12: dffffc0000000000
R13: ffff888077f4a020 R14: 0000000000020056 R15: 0000000000000004
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0100f70000 CR3: 0000000026ab5000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 dbFreeBits+0x49f/0xd60 fs/jfs/jfs_dmap.c:2340
 dbFreeDmap fs/jfs/jfs_dmap.c:2089 [inline]
 dbFree+0x320/0x640 fs/jfs/jfs_dmap.c:398
 txFreeMap+0x9e6/0xde0 fs/jfs/jfs_txnmgr.c:2516
 xtTruncate+0xd15/0x2e90 fs/jfs/jfs_xtree.c:2467
 jfs_free_zero_link+0x35c/0x4c0 fs/jfs/namei.c:758
 jfs_evict_inode+0x350/0x430 fs/jfs/inode.c:159
 evict+0x4b7/0x8a0 fs/inode.c:705
 txLazyCommit fs/jfs/jfs_txnmgr.c:2665 [inline]
 jfs_lazycommit+0x439/0xaa0 fs/jfs/jfs_txnmgr.c:2733
 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>