Re: [syzbot] [btrfs?] WARNING in __btrfs_free_extent (3)

syzbot suspects this issue was fixed by commit:

commit 1e92637722ae4bd417f7a37e8d1485dc23b93935
Author: Boris Burkov <[email protected]>
Date:   Mon May 11 20:07:11 2026 +0000

    btrfs: check for subvolume before deleting squota qgroup

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17e815b9580000
start commit:   f5459048c38a Merge tag 'i2c-for-7.0-final' of git://git.ke..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=45cb3c58fd963c27
dashboard link: https://syzkaller.appspot.com/bug?extid=480676efc0c3a76b5214
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10c65106580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15261036580000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: btrfs: check for subvolume before deleting squota qgroup

For information about bisection process see: https://goo.gl/tpsmEJ#bisection