------------[ cut here ]------------ WARNING: CPU: 1 PID: 5614 at fs/btrfs/extent-tree.c:872 lookup_inline_extent_backref+0x8e8/0x1460 Modules linked in: CPU: 1 PID: 5614 Comm: syz-executor.3 Not tainted 6.2.0-rc6-syzkaller-00258-gdb27c22251e7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:lookup_inline_extent_backref+0x8e8/0x1460 Code: de e8 7c b3 08 fe 49 39 df 0f 87 81 0b 00 00 e8 5e b1 08 fe eb 30 83 7d 28 00 4c 8b 6c 24 30 0f 84 11 05 00 00 e8 48 b1 08 fe <0f> 0b 41 bc fb ff ff ff e9 52 06 00 00 e8 36 b1 08 fe e9 29 06 00 RSP: 0018:ffffc9000b1c6dc0 EFLAGS: 00010287 RAX: ffffffff838185c8 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc9000b90a000 RSI: 0000000000010626 RDI: 0000000000010627 RBP: ffffc9000b1c6f70 R08: ffffffff83818133 R09: ffffed1005c33c08 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88807e9b5840 R14: ffffc9000b1c6ee0 R15: ffff88802e19e000 FS: 00007fd077e36700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb8af77205b CR3: 000000007ef6f000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: insert_inline_extent_backref+0xd0/0x260 __btrfs_inc_extent_ref+0x10c/0x5f0 __btrfs_run_delayed_refs+0x1302/0x45a0 btrfs_run_delayed_refs+0x2f9/0x480 qgroup_account_snapshot+0xce/0x340 create_pending_snapshot+0x1151/0x25c0 create_pending_snapshots+0x195/0x1d0 btrfs_commit_transaction+0x128b/0x32e0 create_snapshot+0x4a5/0x7e0 btrfs_mksubvol+0x729/0x890 btrfs_mksnapshot+0xb5/0xf0 __btrfs_ioctl_snap_create+0x338/0x450 btrfs_ioctl_snap_create+0x123/0x180 btrfs_ioctl+0xbbc/0xd40 __se_sys_ioctl+0xf1/0x160 do_syscall_64+0x41/0xc0 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fd07708c0c9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd077e36168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fd0771ac120 RCX: 00007fd07708c0c9 RDX: 00000000200000c0 RSI: 0000000050009401 RDI: 0000000000000004 RBP: 00007fd0770e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc1e6a56af R14: 00007fd077e36300 R15: 0000000000022000