------------[ cut here ]------------ WARNING: CPU: 1 PID: 121 at fs/jfs/jfs_dmap.c:2875 dbAdjTree+0x454/0x4e0 fs/jfs/jfs_dmap.c:2875 Modules linked in: CPU: 1 UID: 0 PID: 121 Comm: jfsCommit Tainted: G W 6.16.0-syzkaller-11699-g7e161a991ea7 #0 PREEMPT_{RT,(full)} Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:dbAdjTree+0x454/0x4e0 fs/jfs/jfs_dmap.c:2875 Code: 5a ff ff ff e8 4d ac 8a fe eb 05 e8 46 ac 8a fe 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d e9 83 31 c5 07 cc e8 2d ac 8a 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:ffffc9000399f988 EFLAGS: 00010293 RAX: ffffffff8333ae63 RBX: ffff888023715010 RCX: ffff88801e779dc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000020056 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff9400011b8a9 R12: ffff888023715018 R13: dffffc0000000000 R14: 0000000000000004 R15: 0000000000000155 FS: 0000000000000000(0000) GS:ffff8881269cd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000045bdd0 CR3: 0000000042556000 CR4: 00000000003526f0 Call Trace: 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+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+0x3f1/0xa10 fs/jfs/jfs_txnmgr.c:2733 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245