linux-kernel - Re: [syzbot] [net?] KASAN: use-after-free Read in __skb_flow

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Message-ID: <0000000000007837ac0611d02ac8@google.com>
Date: Tue, 20 Feb 2024 05:27:03 -0800
From: syzbot <syzbot+bfde3bef047a81b8fde6@...kaller.appspotmail.com>
To: fw@...len.de, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [net?] KASAN: use-after-free Read in __skb_flow_dissect (3)

Hello,

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

Reported-and-tested-by: syzbot+bfde3bef047a81b8fde6@...kaller.appspotmail.com

Tested on:

commit:         2f3a4818 net: ip_tunnel: prevent perpetual headroom gr..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/fwestphal/nf.git gre_cap_headroom
console output: https://syzkaller.appspot.com/x/log.txt?x=15ad41c2180000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e1e8d9f850f8db45
dashboard link: https://syzkaller.appspot.com/bug?extid=bfde3bef047a81b8fde6
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.