linux-kernel - Re: [syzbot] [fs?] general protection fault in do_move

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Message-ID: <68734111.a70a0220.3b380f.0020.GAE@google.com>
Date: Sat, 12 Jul 2025 22:16:01 -0700
From: syzbot <syzbot+799d4cf78a7476483ba2@...kaller.appspotmail.com>
To: brauner@...nel.org, cem@...nel.org, jack@...e.cz, 
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-xfs@...r.kernel.org, lis@...hat.com, syzkaller-bugs@...glegroups.com, 
	viro@...iv.linux.org.uk
Subject: Re: [syzbot] [fs?] general protection fault in do_move_mount (3)

syzbot suspects this issue was fixed by commit:

commit 3b5260d12b1fe76b566fe182de8abc586b827ed0
Author: Al Viro <viro@...iv.linux.org.uk>
Date:   Fri May 23 23:20:36 2025 +0000

    Don't propagate mounts into detached trees

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=160a018c580000
start commit:   bec6f00f120e Merge tag 'usb-6.15-rc6' of git://git.kernel...
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=b9683d529ec1b880
dashboard link: https://syzkaller.appspot.com/bug?extid=799d4cf78a7476483ba2
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17eb1670580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17794cf4580000

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

#syz fix: Don't propagate mounts into detached trees

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