------------[ cut here ]------------ WARNING: CPU: 1 PID: 113 at fs/jfs/jfs_dmap.c:2867 dbAdjTree+0x453/0x4e0 fs/jfs/jfs_dmap.c:2867 Modules linked in: CPU: 1 UID: 0 PID: 113 Comm: jfsCommit Not tainted 6.16.0-rc4-syzkaller-00324-g1f988d0788f5 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:dbAdjTree+0x453/0x4e0 fs/jfs/jfs_dmap.c:2867 Code: e9 5a ff ff ff e8 1d 6f 81 fe eb 05 e8 16 6f 81 fe 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d e9 93 68 d6 07 cc e8 fd 6e 81 fe <0f> 0b eb e3 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c e3 fb ff ff 4c RSP: 0018:ffffc90002db7988 EFLAGS: 00010293 RAX: ffffffff833de093 RBX: ffff88805fb82010 RCX: ffff88801db95a00 RDX: 0000000000000000 RSI: 0000000000000155 RDI: 0000000000020056 RBP: 0000000000020056 R08: ffffea00017ee087 R09: 1ffffd40002fdc10 R10: dffffc0000000000 R11: fffff940002fdc11 R12: ffff88805fb82018 R13: dffffc0000000000 R14: 0000000000000004 R15: 0000000000000155 FS: 0000000000000000(0000) GS:ffff88812674e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000562b894c9950 CR3: 0000000032306000 CR4: 00000000003526f0 Call Trace: dbJoin+0x238/0x300 fs/jfs/jfs_dmap.c:2835 dbFreeBits+0x4e1/0xdb0 fs/jfs/jfs_dmap.c:2332 dbFreeDmap fs/jfs/jfs_dmap.c:2081 [inline] dbFree+0x336/0x650 fs/jfs/jfs_dmap.c:398 txFreeMap+0x7ff/0xde0 fs/jfs/jfs_txnmgr.c:2534 txUpdateMap+0x308/0x9c0 fs/jfs/jfs_txnmgr.c:-1 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline] jfs_lazycommit+0x43f/0xa90 fs/jfs/jfs_txnmgr.c:2733 kthread+0x711/0x890 kernel/kthread.c:464 ret_from_fork+0x3f5/0x760 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245