------------[ cut here ]------------ WARNING: CPU: 1 PID: 31941 at fs/btrfs/extent-tree.c:851 lookup_inline_extent_backref+0x1041/0x14d0 Modules linked in: CPU: 1 PID: 31941 Comm: syz-executor.2 Not tainted 6.6.0-rc1-syzkaller-00115-g9fdfb15a3dbf #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 RIP: 0010:lookup_inline_extent_backref+0x1041/0x14d0 fs/btrfs/extent-tree.c:851 Code: 9c 24 28 01 00 00 bf c0 00 00 00 89 de e8 d7 5f 02 fe 81 fb c0 00 00 00 0f 83 fd 00 00 00 e8 36 5d 02 fe eb 81 e8 2f 5d 02 fe <0f> 0b 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 d7 4b RSP: 0018:ffffc9000b20ee20 EFLAGS: 00010293 RAX: ffffffff838b4661 RBX: 0000000000000000 RCX: ffff88802a6b5940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000b20efd0 R08: ffffffff838b3a6a R09: 0000000000000000 R10: ffffc9000b20eb80 R11: fffff52001641d72 R12: dffffc0000000000 R13: ffff88802512ebb0 R14: ffff88807bb1c000 R15: ffffc9000b20ef40 FS: 00007f2a9f7dd6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020881030 CR3: 000000004b0ba000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: insert_inline_extent_backref+0xda/0x2a0 fs/btrfs/extent-tree.c:1194 __btrfs_inc_extent_ref+0x123/0x5f0 fs/btrfs/extent-tree.c:1494 run_delayed_tree_ref fs/btrfs/extent-tree.c:1713 [inline] run_one_delayed_ref fs/btrfs/extent-tree.c:1740 [inline] btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:1986 [inline] __btrfs_run_delayed_refs+0x1183/0x3fa0 fs/btrfs/extent-tree.c:2047 btrfs_run_delayed_refs+0x2f3/0x480 fs/btrfs/extent-tree.c:2159 qgroup_account_snapshot+0xce/0x360 fs/btrfs/transaction.c:1570 create_pending_snapshot+0x1046/0x29e0 fs/btrfs/transaction.c:1846 create_pending_snapshots+0x195/0x1d0 fs/btrfs/transaction.c:1915 btrfs_commit_transaction+0xf5e/0x3050 fs/btrfs/transaction.c:2388 create_snapshot+0x4a5/0x7e0 fs/btrfs/ioctl.c:845 btrfs_mksubvol+0x5d0/0x750 fs/btrfs/ioctl.c:995 btrfs_mksnapshot+0xb5/0xf0 fs/btrfs/ioctl.c:1041 __btrfs_ioctl_snap_create+0x344/0x460 fs/btrfs/ioctl.c:1294 btrfs_ioctl_snap_create+0x13c/0x190 fs/btrfs/ioctl.c:1321 btrfs_ioctl+0xbbf/0xd40 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl+0xf8/0x170 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2aa807cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2a9f7dd0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f2aa819c120 RCX: 00007f2aa807cae9 RDX: 00000000200000c0 RSI: 0000000050009401 RDI: 000000000000000a RBP: 00007f2aa80c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f2aa819c120 R15: 00007ffd43dfbf58