Re: [syzbot] [net?] KASAN: slab-use-after-free Read in l2tp_tunnel_del_work

From: syzbot
Date: Fri Jun 28 2024 - 08:20:11 EST


Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+b471b7c936301a59745b@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 185d7211 net: xilinx: axienet: Enable multicast by def..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git
console output: https://syzkaller.appspot.com/x/log.txt?x=14609ac6980000
kernel config: https://syzkaller.appspot.com/x/.config?x=e78fc116033e0ab7
dashboard link: https://syzkaller.appspot.com/bug?extid=b471b7c936301a59745b
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=148aa8b9980000

Note: testing is done by a robot and is best-effort only.