linux-kernel - Re: [syzbot] general protection fault in list_lru

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Message-ID: <000000000000ecb9b105db03ae4d@google.com>
Date:   Thu, 24 Mar 2022 21:49:09 -0700
From:   syzbot <syzbot+f8c45ccc7d5d45fc5965@...kaller.appspotmail.com>
To:     akpm@...ux-foundation.org, dvyukov@...gle.com,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        songmuchun@...edance.com, syzkaller-bugs@...glegroups.com,
        torvalds@...ux-foundation.org
Subject: Re: [syzbot] general protection fault in list_lru_add

Hello,

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

mm/list_lru.c:88:14: error: implicit declaration of function 'memcg_kmem_id' [-Werror=implicit-function-declaration]

Tested on:

commit:         5abc1e37 mm: list_lru: allocate list_lru_one only when..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
dashboard link: https://syzkaller.appspot.com/bug?extid=f8c45ccc7d5d45fc5965
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
patch:          https://syzkaller.appspot.com/x/patch.diff?x=12e2d063700000