linux-kernel - Re: [syzbot] [netfs?] KASAN: slab-use-after-free Write in io_submit

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Message-ID: <67af3d9e.050a0220.21dd3.0046.GAE@google.com>
Date: Fri, 14 Feb 2025 04:57:02 -0800
From: syzbot <syzbot+e1dc29a4daf3f8051130@...kaller.appspotmail.com>
To: eadavis@...com, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [netfs?] KASAN: slab-use-after-free Write in io_submit_one

Hello,

syzbot tried to test the proposed patch but the build/boot failed:

fs/netfs/read_collect.c:376:66: error: 'struct kiocb' has no member named 'ki_refcnt'
fs/netfs/read_collect.c:376:33: error: too few arguments to function 'refcount_add_not_zero'

Tested on:

commit:         128c8f96 Merge tag 'drm-fixes-2025-02-14' of https://g..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=a7ddf49cf33ba213
dashboard link: https://syzkaller.appspot.com/bug?extid=e1dc29a4daf3f8051130
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=16c14ce4580000