------------[ cut here ]------------ lp >= size || lp < 0 WARNING: fs/jfs/jfs_dmap.c:2962 at dbAdjTree+0x454/0x4e0 fs/jfs/jfs_dmap.c:2962, CPU#1: jfsCommit/126 Modules linked in: CPU: 1 UID: 0 PID: 126 Comm: jfsCommit Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:dbAdjTree+0x454/0x4e0 fs/jfs/jfs_dmap.c:2962 Code: 5a ff ff ff e8 cd 2a 70 fe eb 05 e8 c6 2a 70 fe 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 ad 2a 70 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:ffffc90003007588 EFLAGS: 00010293 RAX: ffffffff83546983 RBX: ffff88806059c010 RCX: ffff88801ef1bd80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000020056 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff94000302ce1 R12: ffff88806059c018 R13: dffffc0000000000 R14: 0000000000000004 R15: 0000000000000155 FS: 0000000000000000(0000) GS:ffff888126204000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2d013356b8 CR3: 000000005b1f8000 CR4: 00000000003526f0 Call Trace: dbJoin+0x238/0x300 fs/jfs/jfs_dmap.c:2930 dbFreeBits+0x4e1/0xdb0 fs/jfs/jfs_dmap.c:2427 dbFreeDmap fs/jfs/jfs_dmap.c:2176 [inline] dbFree+0x336/0x650 fs/jfs/jfs_dmap.c:485 txFreeMap+0x9e6/0xde0 fs/jfs/jfs_txnmgr.c:2517 xtTruncate+0xd38/0x2f20 fs/jfs/jfs_xtree.c:2481 jfs_free_zero_link+0x35b/0x4c0 fs/jfs/namei.c:760 jfs_evict_inode+0x363/0x440 fs/jfs/inode.c:159 evict+0x61e/0xb10 fs/inode.c:841 txLazyCommit fs/jfs/jfs_txnmgr.c:2666 [inline] jfs_lazycommit+0x3ef/0xa10 fs/jfs/jfs_txnmgr.c:2735 kthread+0x388/0x470 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