Re: [syzbot] [io-uring?] memory leak in iovec_from_user (2)

From: syzbot
Date: Mon Nov 10 2025 - 16:55:14 EST


Hello,

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

Reported-by: syzbot+3c93637d7648c24e1fd0@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+3c93637d7648c24e1fd0@xxxxxxxxxxxxxxxxxxxxxxxxx

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.