linux-kernel - Re: [syzbot] [mm?] KASAN: slab-use-after-free Read in do_sync_mmap

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Message-ID: <68555d6e.a00a0220.137b3.004c.GAE@google.com>
Date: Fri, 20 Jun 2025 06:09:02 -0700
From: syzbot <syzbot+8e4be574cb8c40140a2a@...kaller.appspotmail.com>
To: hdanton@...a.com, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [mm?] KASAN: slab-use-after-free Read in do_sync_mmap_readahead

Hello,

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

Reported-by: syzbot+8e4be574cb8c40140a2a@...kaller.appspotmail.com
Tested-by: syzbot+8e4be574cb8c40140a2a@...kaller.appspotmail.com

Tested on:

commit:         5d4809e2 Add linux-next specific files for 20250620
git tree:       linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=13495d0c580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=58afc4b78b52b7e3
dashboard link: https://syzkaller.appspot.com/bug?extid=8e4be574cb8c40140a2a
compiler:       Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
patch:          https://syzkaller.appspot.com/x/patch.diff?x=11fe8182580000

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