linux-kernel - Re: [syzbot] KASAN: use-after-free Read in idr_for

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Message-ID: <000000000000df888f05bde1a5b4@google.com>
Date:   Fri, 19 Mar 2021 04:02:11 -0700
From:   syzbot <syzbot+12056a09a0311d758e60@...kaller.appspotmail.com>
To:     asml.silence@...il.com, axboe@...nel.dk, io-uring@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk
Subject: Re: [syzbot] KASAN: use-after-free Read in idr_for_each (2)

Hello,

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

Reported-and-tested-by: syzbot+12056a09a0311d758e60@...kaller.appspotmail.com

Tested on:

commit:         ece5fae7 io_uring: don't leak creds on SQO attach error
git tree:       git://git.kernel.dk/linux-block io_uring-5.12
kernel config:  https://syzkaller.appspot.com/x/.config?x=28f8268e740d48dd
dashboard link: https://syzkaller.appspot.com/bug?extid=12056a09a0311d758e60
compiler:       

Note: testing is done by a robot and is best-effort only.