From: Kuniyuki Iwashima <kuniyu@amazon.com>
To: <syzbot+5a630f8ca0120ab43f55@syzkaller.appspotmail.com>
Cc: <bp@alien8.de>, <dave.hansen@linux.intel.com>, <hpa@zytor.com>,
<linux-kernel@vger.kernel.org>, <mingo@redhat.com>,
<netdev@vger.kernel.org>, <syzkaller-bugs@googlegroups.com>,
<tglx@linutronix.de>, <x86@kernel.org>
Subject: Re: [syzbot] [kernel?] KASAN: slab-use-after-free Read in __unix_gc
Date: Sat, 10 Feb 2024 00:10:45 -0800 [thread overview]
Message-ID: <20240210081045.46999-1-kuniyu@amazon.com> (raw)
In-Reply-To: <000000000000ee09930610f42470@google.com>
From: syzbot <syzbot+5a630f8ca0120ab43f55@syzkaller.appspotmail.com>
Date: Fri, 09 Feb 2024 06:57:17 -0800
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: e7689879d14e ethtool: do not use rtnl in ethnl_default_dum..
> git tree: net-next
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=1195b6e0180000
> kernel config: https://syzkaller.appspot.com/x/.config?x=ac1116e4986e7570
> dashboard link: https://syzkaller.appspot.com/bug?extid=5a630f8ca0120ab43f55
> compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=121d9b5c180000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=165f9cec180000
>
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/c5b791d72e1e/disk-e7689879.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/472cf2131e7b/vmlinux-e7689879.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/c1e5a4b33244/bzImage-e7689879.xz
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+5a630f8ca0120ab43f55@syzkaller.appspotmail.com
>
> ==================================================================
> BUG: KASAN: slab-use-after-free in __unix_gc+0xe0f/0xf70
#syz dup: INFO: task hung in unix_dgram_sendmsg
Here's a fix.
https://lore.kernel.org/netdev/20240209220453.96053-1-kuniyu@amazon.com/
Thanks!
next prev parent reply other threads:[~2024-02-10 8:11 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-09 14:57 syzbot
2024-02-10 2:24 ` Hillf Danton
2024-02-10 4:08 ` syzbot
2024-02-10 6:35 ` Hillf Danton
2024-02-10 7:03 ` syzbot
2024-02-10 8:10 ` Kuniyuki Iwashima [this message]
2024-02-10 10:07 ` Hillf Danton
2024-02-10 11:39 ` syzbot
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