Re: [syzbot] general protection fault in skb_dequeue (3)

From: syzbot
Date: Wed Feb 01 2023 - 10:16:08 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:ffff88802b07c800 type:MM_ANONPAGES val:1
BUG: non-zero pgtables_bytes on freeing mm: 8192


Tested on:

commit: 80bd9028 Add linux-next specific files for 20230131
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=128b1afd480000
kernel config: https://syzkaller.appspot.com/x/.config?x=904dc2f450eaad4a
dashboard link: https://syzkaller.appspot.com/bug?extid=a440341a59e3b7142895
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=15e89d43480000