------------[ cut here ]------------ WARNING: CPU: 1 PID: 116 at fs/jfs/jfs_dmap.c:2863 dbAdjTree+0x454/0x4e0 fs/jfs/jfs_dmap.c:2863 Modules linked in: CPU: 1 UID: 0 PID: 116 Comm: jfsCommit Not tainted 6.15.0-rc5-syzkaller-00353-gcd802e7e5f1e #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:dbAdjTree+0x454/0x4e0 fs/jfs/jfs_dmap.c:2863 Code: 5a ff ff ff e8 3d 4d 88 fe eb 05 e8 36 4d 88 fe 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 1d 4d 88 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: 0000:ffffc90002de7a28 EFLAGS: 00010293 RAX: ffffffff83378163 RBX: ffff888060558010 RCX: ffff88801f728000 RDX: 0000000000000000 RSI: 0000000000000155 RDI: 0000000000020056 RBP: 0000000000020056 R08: ffffea0001815607 R09: 1ffffd4000302ac0 R10: dffffc0000000000 R11: fffff94000302ac1 R12: ffff888060558018 R13: dffffc0000000000 R14: 0000000000000004 R15: 0000000000000155 FS: 0000000000000000(0000) GS:ffff8881261fb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0941a3e000 CR3: 000000003339c000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: dbJoin+0x238/0x300 fs/jfs/jfs_dmap.c:2831 dbFreeBits+0x4e1/0xdb0 fs/jfs/jfs_dmap.c:2328 dbFreeDmap fs/jfs/jfs_dmap.c:2077 [inline] dbFree+0x336/0x650 fs/jfs/jfs_dmap.c:394 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+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245