Re: [syzbot] kernel BUG in process_one_work

From: syzbot
Date: Tue Feb 07 2023 - 00:12:25 EST


Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
BUG: Bad rss-counter state

BUG: Bad rss-counter state mm:ffff88807ac59200 type:MM_ANONPAGES val:1
BUG: non-zero pgtables_bytes on freeing mm: 12288


Tested on:

commit: 4fafd969 Add linux-next specific files for 20230203
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
console output: https://syzkaller.appspot.com/x/log.txt?x=130232a3480000
kernel config: https://syzkaller.appspot.com/x/.config?x=1d2fba7d42502ca4
dashboard link: https://syzkaller.appspot.com/bug?extid=c0998868487c1f7e05e5
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=10602ee3480000