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

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Message-ID: <670baf01.050a0220.3e960.003b.GAE@google.com>
Date: Sun, 13 Oct 2024 04:29:05 -0700
From: syzbot <syzbot+5fe14f2ff4ccbace9a26@...kaller.appspotmail.com>
To: cmeiohas@...dia.com, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [net?] KASAN: slab-use-after-free Read in __ethtool_get_link_ksettings

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
unregister_netdevice: waiting for DEV to become free

unregister_netdevice: waiting for ipvlan1 to become free. Usage count = 2

Tested on:

commit:         615b9474 RDMA/hns: Disassociate mmap pages for all uct..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next
console output: https://syzkaller.appspot.com/x/log.txt?x=16bb0727980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=7cd9e7e4a8a0a15b
dashboard link: https://syzkaller.appspot.com/bug?extid=5fe14f2ff4ccbace9a26
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=11d30727980000