------------[ cut here ]------------ WARNING: CPU: 0 PID: 112 at fs/jfs/jfs_dmap.c:2875 dbAdjTree+0x310/0x400 fs/jfs/jfs_dmap.c:2875 Modules linked in: CPU: 0 UID: 0 PID: 112 Comm: jfsCommit Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:dbAdjTree+0x310/0x400 fs/jfs/jfs_dmap.c:2875 Code: e8 b5 90 75 fe 0f b6 14 24 38 da 0f 85 89 fe ff ff 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 76 96 75 fe e8 71 96 75 fe 90 <0f> 0b 90 eb e2 e8 d6 fb da fe e9 20 fe ff ff e8 cc fb da fe e9 47 RSP: 0018:ffffc90002d975b8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000020056 RCX: ffffffff8345f250 RDX: ffff88801f3a5a00 RSI: ffffffff8345f4df RDI: 0000000000000004 RBP: ffff888031b5e010 R08: 0000000000000004 R09: 0000000000000155 R10: 0000000000020056 R11: 0000000000000000 R12: 0000000000000155 R13: 0000000000020056 R14: 0000000000000004 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8881246bc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c365f4f CR3: 00000000263b0000 CR4: 0000000000350ef0 Call Trace: dbJoin+0x24b/0x2b0 fs/jfs/jfs_dmap.c:2843 dbFreeBits+0x15f/0x8f0 fs/jfs/jfs_dmap.c:2340 dbFreeDmap+0x62/0x1b0 fs/jfs/jfs_dmap.c:2089 dbFree+0x266/0x550 fs/jfs/jfs_dmap.c:398 txFreeMap+0x7c5/0xef0 fs/jfs/jfs_txnmgr.c:2515 xtTruncate+0x224d/0x2ca0 fs/jfs/jfs_xtree.c:2481 jfs_free_zero_link+0x36d/0x4e0 fs/jfs/namei.c:759 jfs_evict_inode+0x422/0x4b0 fs/jfs/inode.c:153 evict+0x3e6/0x920 fs/inode.c:810 iput_final fs/inode.c:1897 [inline] iput fs/inode.c:1923 [inline] iput+0x521/0x880 fs/inode.c:1909 txUpdateMap+0x995/0xb70 fs/jfs/jfs_txnmgr.c:2367 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline] jfs_lazycommit+0x5f9/0xb30 fs/jfs/jfs_txnmgr.c:2733 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x5d7/0x6f0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245