------------[ cut here ]------------ WARNING: CPU: 1 PID: 110 at fs/jfs/jfs_dmap.c:2879 dbAdjTree+0x2d9/0x3d0 fs/jfs/jfs_dmap.c:2879 Modules linked in: CPU: 1 PID: 110 Comm: jfsCommit Not tainted 6.8.0-rc2-syzkaller-g41bccc98fb79 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:dbAdjTree+0x2d9/0x3d0 fs/jfs/jfs_dmap.c:2879 Code: e8 6c e3 8a fe 0f b6 14 24 38 da 0f 85 a1 fe ff ff 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 9d e8 8a fe e8 98 e8 8a fe 90 <0f> 0b 90 eb e2 e8 1d bb e2 fe e9 52 fe ff ff e8 13 bb e2 fe e9 79 RSP: 0018:ffffc90002ca7a88 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000155 RCX: ffffffff82fd3ba9 RDX: ffff88801935d940 RSI: ffffffff82fd3e08 RDI: 0000000000000004 RBP: ffff88802cbb7010 R08: 0000000000000004 R09: 0000000000000155 R10: 0000000000030056 R11: 0000000000000001 R12: 0000000000000004 R13: 0000000000030056 R14: ffff88802cbb7010 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff02812c58 CR3: 000000001b352000 CR4: 0000000000350ef0 Call Trace: dbJoin+0x267/0x2c0 fs/jfs/jfs_dmap.c:2847 dbFreeBits+0x15c/0x8f0 fs/jfs/jfs_dmap.c:2338 dbFreeDmap+0x62/0x1a0 fs/jfs/jfs_dmap.c:2087 dbFree+0x266/0x550 fs/jfs/jfs_dmap.c:409 txFreeMap+0x9a9/0xe60 fs/jfs/jfs_txnmgr.c:2534 txUpdateMap+0x3f1/0xd10 fs/jfs/jfs_txnmgr.c:2330 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline] jfs_lazycommit+0x5e4/0xb20 fs/jfs/jfs_txnmgr.c:2733 kthread+0x2c6/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242