Re: [syzbot] [kernel?] possible deadlock in binder_alloc_free_page

From: Carlos Llamas
Date: Mon Mar 24 2025 - 20:41:55 EST


On Sat, Jan 11, 2025 at 02:30:22AM -0800, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 7b4b9bf203da Add linux-next specific files for 20250107
> git tree: linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=17d02dc4580000
> kernel config: https://syzkaller.appspot.com/x/.config?x=63fa2c9d5e12faef
> dashboard link: https://syzkaller.appspot.com/bug?extid=799a2d4576c454ac2693
> compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10302dc4580000

This was fixed by a new version of commit e8f32ff00a66 ("mm: replace
vm_lock and detached flag with a reference count"), making this report
now obsolete.

#syz invalid