Re: [syzbot] [trace?] KASAN: use-after-free Write in ring_buffer_read_page

[Steven Rostedt]

On Tue, 02 Jun 2026 06:45:31 -0700
syzbot <syzbot+2dd9d02f60775ce5c1fb@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

> syzbot found the following issue on:
> 
> HEAD commit:    e7ae89a0c97c Linux 7.1-rc5
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=16f06e2e580000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=58acee1ac5406016
> dashboard link: https://syzkaller.appspot.com/bug?extid=2dd9d02f60775ce5c1fb
> compiler:       gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
> 
> Unfortunately, I don't have any reproducer for this issue yet.

Looks like the test was doing something really weird to trigger this.
Without a reproducer, it's pretty much impossible to find out what
happened. Maybe AI could do it?

-- Steve