linux-kernel - Re: [syzbot] [io-uring?] memory leak in iovec_from

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Message-ID: <69125f36.a70a0220.22f260.010e.GAE@google.com>
Date: Mon, 10 Nov 2025 13:55:02 -0800
From: syzbot <syzbot+3c93637d7648c24e1fd0@...kaller.appspotmail.com>
To: axboe@...nel.dk, io-uring@...r.kernel.org, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [io-uring?] memory leak in iovec_from_user (2)

Hello,

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

Reported-by: syzbot+3c93637d7648c24e1fd0@...kaller.appspotmail.com
Tested-by: syzbot+3c93637d7648c24e1fd0@...kaller.appspotmail.com

Tested on:

commit:         4ff33a31 io_uring/rw: ensure allocated iovec gets clea..
git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux.git io_uring-6.18
console output: https://syzkaller.appspot.com/x/log.txt?x=174a317c580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=fa4513d3a243489e
dashboard link: https://syzkaller.appspot.com/bug?extid=3c93637d7648c24e1fd0
compiler:       gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40

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