------------[ cut here ]------------ WARNING: CPU: 0 PID: 114 at fs/jfs/jfs_dmap.c:2875 dbAdjTree fs/jfs/jfs_dmap.c:2875 [inline] WARNING: CPU: 0 PID: 114 at fs/jfs/jfs_dmap.c:2875 dbJoin+0xc17/0xd40 fs/jfs/jfs_dmap.c:2843 Modules linked in: CPU: 0 PID: 114 Comm: jfsCommit Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:dbAdjTree fs/jfs/jfs_dmap.c:2875 [inline] RIP: 0010:dbJoin+0xc17/0xd40 fs/jfs/jfs_dmap.c:2843 Code: ff e8 9d e2 82 fe eb 0c e8 96 e2 82 fe eb 05 e8 8f e2 82 fe 31 c0 48 83 c4 68 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 79 e2 82 fe <0f> 0b eb e6 44 89 e9 80 e1 07 38 c1 0f 8c 1d f4 ff ff 4c 89 ef e8 RSP: 0018:ffffc90002d47ae8 EFLAGS: 00010293 RAX: ffffffff8304a8d7 RBX: 0000000000000155 RCX: ffff888018b90000 RDX: 0000000000000000 RSI: 0000000000000155 RDI: 0000000000020056 RBP: 0000000000000004 R08: ffffea0001f10007 R09: 1ffffd40003e2000 R10: dffffc0000000000 R11: fffff940003e2001 R12: dffffc0000000000 R13: ffff88807c400020 R14: 0000000000020056 R15: 0000000000000004 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3b5e28aa90 CR3: 000000005ee4c000 CR4: 00000000003506f0 Call Trace: dbFreeBits+0x49f/0xd60 fs/jfs/jfs_dmap.c:2340 dbFreeDmap fs/jfs/jfs_dmap.c:2089 [inline] dbFree+0x320/0x640 fs/jfs/jfs_dmap.c:398 txFreeMap+0x7ff/0xde0 fs/jfs/jfs_txnmgr.c:2535 txUpdateMap+0x324/0x8b0 fs/jfs/jfs_txnmgr.c:-1 txLazyCommit fs/jfs/jfs_txnmgr.c:2665 [inline] jfs_lazycommit+0x439/0xaa0 fs/jfs/jfs_txnmgr.c:2733 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293