Re: [syzbot] [net?] [s390?] KASAN: slab-use-after-free Read in netdev_walk_all_lower_dev

From: syzbot
Date: Fri Dec 06 2024 - 22:22:10 EST


Hello,

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

Reported-by: syzbot+2eab87cf3100f45423ec@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+2eab87cf3100f45423ec@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 0f6ede9f net: defer final 'struct net' free in netns d..
git tree: net
console output: https://syzkaller.appspot.com/x/log.txt?x=1273a020580000
kernel config: https://syzkaller.appspot.com/x/.config?x=1362a5aee630ff34
dashboard link: https://syzkaller.appspot.com/bug?extid=2eab87cf3100f45423ec
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=13c3a020580000

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