Re: [syzbot] KASAN: use-after-free Read in free_netdev (3)

[syzbot]

Hello,

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

Reported-and-tested-by: syzbot+b75c138e9286ac742647@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         b4a028c4 ipv4: ping: fix bind address validity check
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git
console output: https://syzkaller.appspot.com/x/log.txt?x=15fe514bf00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=70e1a4d352a3c6ae
dashboard link: https://syzkaller.appspot.com/bug?extid=b75c138e9286ac742647
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=175c6e37f00000

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