------------[ cut here ]------------ WARNING: CPU: 0 PID: 134 at fs/jfs/jfs_dmap.c:2873 dbAdjTree+0x41b/0x520 Modules linked in: CPU: 0 PID: 134 Comm: jfsCommit Not tainted 6.1.88-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:dbAdjTree+0x41b/0x520 fs/jfs/jfs_dmap.c:2873 Code: fe eb bd e8 97 b1 84 fe eb 0c e8 90 b1 84 fe eb 05 e8 89 b1 84 fe 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 75 b1 84 fe <0f> 0b eb e8 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 1a fc ff ff 48 89 RSP: 0018:ffffc90002d6fa78 EFLAGS: 00010293 RAX: ffffffff8305ddeb RBX: 0000000000000155 RCX: ffff8880167c3b80 RDX: 0000000000000000 RSI: 0000000000000155 RDI: 0000000000020056 RBP: ffff88807e9b3018 R08: ffffffff8305da27 R09: fffff940003f4d99 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 0000000000000004 R14: ffff88807e9b3010 R15: 0000000000020056 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe3af716018 CR3: 0000000079fe1000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: dbJoin+0x255/0x310 fs/jfs/jfs_dmap.c:2841 dbFreeBits+0x4ef/0xdb0 fs/jfs/jfs_dmap.c:2338 dbFreeDmap fs/jfs/jfs_dmap.c:2087 [inline] dbFree+0x357/0x670 fs/jfs/jfs_dmap.c:409 txFreeMap+0x794/0xd50 fs/jfs/jfs_txnmgr.c:2534 txUpdateMap+0x33e/0x9e0 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline] jfs_lazycommit+0x476/0xb60 fs/jfs/jfs_txnmgr.c:2732 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308