linux-kernel - Re: [syzbot] [io-uring?] BUG: unable to handle kernel NULL pointer dereference in io_buffer

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Message-ID: <68221293.050a0220.f2294.006a.GAE@google.com>
Date: Mon, 12 May 2025 08:24:03 -0700
From: syzbot <syzbot+6456a99dfdc2e78c4feb@...kaller.appspotmail.com>
To: asml.silence@...il.com, axboe@...nel.dk, io-uring@...r.kernel.org, 
	linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [io-uring?] BUG: unable to handle kernel NULL pointer
 dereference in io_buffer_select

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-by: syzbot+6456a99dfdc2e78c4feb@...kaller.appspotmail.com
Tested-by: syzbot+6456a99dfdc2e78c4feb@...kaller.appspotmail.com

Tested on:

commit:         5a479bcf syztest
git tree:       git://git.kernel.dk/linux.git syztest
console output: https://syzkaller.appspot.com/x/log.txt?x=108f92f4580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=a2f09b26321f0ad5
dashboard link: https://syzkaller.appspot.com/bug?extid=6456a99dfdc2e78c4feb
compiler:       arm-linux-gnueabi-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.