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

From: syzbot
Date: Sun Dec 03 2023 - 13:46:09 EST


Hello,

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

Reported-and-tested-by: syzbot+bbe84a4010eeea00982d@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 8470e436 Merge branch 'net-cacheline-optimizations'
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git main
console output: https://syzkaller.appspot.com/x/log.txt?x=135600d2e80000
kernel config: https://syzkaller.appspot.com/x/.config?x=94286555cac4ea49
dashboard link: https://syzkaller.appspot.com/bug?extid=bbe84a4010eeea00982d
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=119eca30e80000

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