RDX: 000000000000275a RSI: 0000000020000280 RDI: 00000000ffffff9c RBP: 00007fff53616f80 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007f0bbcd73818 R14: 0000000000000000 R15: 0000000000000000 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7975 at fs/btrfs/extent-tree.c:10028 btrfs_free_block_groups+0x713/0xc50 fs/btrfs/extent-tree.c:10028 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 7975 Comm: syz-executor146 Not tainted 4.14.294-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x44 kernel/panic.c:547 report_bug+0x208/0x250 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 RIP: 0010:btrfs_free_block_groups+0x713/0xc50 fs/btrfs/extent-tree.c:10028 RSP: 0018:ffff8880958b7b10 EFLAGS: 00010297 RAX: ffff88809834a180 RBX: 0000000000000000 RCX: ffffed10125db613 RDX: 0000000000000000 RSI: ffff888092edb098 RDI: ffff8880b2e72e18 RBP: ffff888092ed9d40 R08: ffffffff8ba5eb0c R09: 0000000000000001 R10: 0000000000000000 R11: ffff88809834a180 R12: ffff8880b2e72ea8 R13: dffffc0000000000 R14: ffff8880b2e72940 R15: 1ffff110125db613 close_ctree+0x33d/0x840 fs/btrfs/disk-io.c:3821 generic_shutdown_super+0x144/0x370 fs/super.c:446 kill_anon_super+0x36/0x90 fs/super.c:1006 btrfs_kill_super+0x49/0x540 fs/btrfs/super.c:2163 deactivate_locked_super+0x6c/0xd0 fs/super.c:319 deactivate_super+0x7f/0xa0 fs/super.c:350 cleanup_mnt+0x186/0x2c0 fs/namespace.c:1183 task_work_run+0x11f/0x190 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0xa44/0x2850 kernel/exit.c:868 do_group_exit+0x100/0x2e0 kernel/exit.c:965 SYSC_exit_group kernel/exit.c:976 [inline] SyS_exit_group+0x19/0x20 kernel/exit.c:974 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f0bbcd2d299 RSP: 002b:00007fff53616f18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f0bbcda83f0 RCX: 00007f0bbcd2d299 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0bbcda83f0 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 Kernel Offset: disabled Rebooting in 86400 seconds..