------------[ cut here ]------------ WARNING: CPU: 0 PID: 4610 at fs/btrfs/extent-tree.c:872 lookup_inline_extent_backref+0x8c1/0x13e0 Modules linked in: CPU: 0 PID: 4610 Comm: syz-executor.3 Not tainted 6.2.0-rc5-syzkaller-00221-gab072681eabe #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:lookup_inline_extent_backref+0x8c1/0x13e0 fs/btrfs/extent-tree.c:872 Code: 98 00 00 00 0f 87 2e 0b 00 00 e8 aa 76 04 fe 4c 8b 6c 24 28 eb 3d 83 7d 28 00 4c 8b 6c 24 28 0f 84 b0 04 00 00 e8 8f 76 04 fe <0f> 0b 41 bc fb ff ff ff e9 f3 05 00 00 e8 7d 76 04 fe e9 ca 05 00 RSP: 0018:ffffc9000338ee40 EFLAGS: 00010287 RAX: ffffffff83876591 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc9000e9c4000 RSI: 0000000000005cc9 RDI: 0000000000005cca RBP: ffffc9000338eff0 R08: ffffffff838760e0 R09: ffffed10067fcc08 R10: ffffed10067fcc08 R11: 1ffff110067fcc07 R12: dffffc0000000000 R13: ffff888042312f20 R14: ffffc9000338ef60 R15: ffff888033fe6000 FS: 00007f7367e6d700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0dd1eb0000 CR3: 000000002e7ae000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: insert_inline_extent_backref+0xcc/0x260 fs/btrfs/extent-tree.c:1159 __btrfs_inc_extent_ref+0x108/0x5d0 fs/btrfs/extent-tree.c:1462 run_delayed_tree_ref fs/btrfs/extent-tree.c:1679 [inline] run_one_delayed_ref fs/btrfs/extent-tree.c:1706 [inline] btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:1955 [inline] __btrfs_run_delayed_refs+0x10c1/0x2340 fs/btrfs/extent-tree.c:2018 btrfs_run_delayed_refs+0x312/0x480 fs/btrfs/extent-tree.c:2149 qgroup_account_snapshot+0xce/0x330 fs/btrfs/transaction.c:1551 create_pending_snapshot+0x1153/0x25c0 fs/btrfs/transaction.c:1824 create_pending_snapshots+0x1a8/0x1e0 fs/btrfs/transaction.c:1894 btrfs_commit_transaction+0x12c1/0x3340 fs/btrfs/transaction.c:2351 create_snapshot+0x4aa/0x7e0 fs/btrfs/ioctl.c:844 btrfs_mksubvol+0x71e/0x880 fs/btrfs/ioctl.c:994 btrfs_mksnapshot+0xb5/0xf0 fs/btrfs/ioctl.c:1040 __btrfs_ioctl_snap_create+0x339/0x450 fs/btrfs/ioctl.c:1293 btrfs_ioctl_snap_create+0x121/0x180 fs/btrfs/ioctl.c:1320 btrfs_ioctl+0x15c/0xc10 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f736708c0c9 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:00007f7367e6d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f73671ac050 RCX: 00007f736708c0c9 RDX: 00000000200000c0 RSI: 0000000050009401 RDI: 0000000000000008 RBP: 00007f73670e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffebfe6f3ff R14: 00007f7367e6d300 R15: 0000000000022000