linux-kernel - Re: [syzbot] [keyrings?] [lsm?] KASAN: slab-use-after-free Read in key

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Message-ID: <673bb37f.050a0220.87769.005d.GAE@google.com>
Date: Mon, 18 Nov 2024 13:37:03 -0800
From: syzbot <syzbot+6105ffc1ded71d194d6d@...kaller.appspotmail.com>
To: dhowells@...hat.com, jarkko@...nel.org, jmorris@...ei.org, 
	keyrings@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-security-module@...r.kernel.org, paul@...l-moore.com, serge@...lyn.com, 
	surajsonawane0215@...il.com, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [keyrings?] [lsm?] KASAN: slab-use-after-free Read in key_put

Hello,

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

security/keys/gc.c:146:40: error: 'KEY_IS_DEAD' undeclared (first use in this function); did you mean 'KEY_USR_READ'?

Tested on:

commit:         9fb2cfa4 Merge tag 'pull-ufs' of git://git.kernel.org/..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=55f8591b98dd132
dashboard link: https://syzkaller.appspot.com/bug?extid=6105ffc1ded71d194d6d
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=1781eac0580000