linux-kernel - Re: [syzbot] [io-uring?] general protection fault in io_uring_show

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Message-ID: <4a7fe7a1-02d9-4488-8aef-b4c3851224ed@kernel.dk>
Date: Fri, 1 Nov 2024 12:39:53 -0600
From: Jens Axboe <axboe@...nel.dk>
To: syzbot <syzbot+6cb1e1ecb22a749ef8e8@...kaller.appspotmail.com>,
 asml.silence@...il.com, io-uring@...r.kernel.org,
 linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [io-uring?] general protection fault in
 io_uring_show_fdinfo (2)

On 11/1/24 12:28 PM, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    f9f24ca362a4 Add linux-next specific files for 20241031
> git tree:       linux-next
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=162bc6f7980000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=328572ed4d152be9
> dashboard link: https://syzkaller.appspot.com/bug?extid=6cb1e1ecb22a749ef8e8
> 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=14f92630580000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=126b655f980000

Ah forgot fdinfo for the sparse buffers...

#syz test: git://git.kernel.dk/linux for-6.13/io_uring

-- 
Jens Axboe