From: David Miller <davem@davemloft.net>
To: ebiggers@kernel.org
Cc: arnd@arndb.de, viro@zeniv.linux.org.uk, paulus@samba.org,
bpf@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-ppp@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org,
syzbot+eb853b51b10f1befa0b7@syzkaller.appspotmail.com,
syzkaller-bugs@googlegroups.com
Subject: Re: [PATCH] ppp: fix out-of-bounds access in bpf_prog_create()
Date: Thu, 05 Dec 2019 14:45:40 -0800 (PST) [thread overview]
Message-ID: <20191205.144540.791142390544922677.davem@davemloft.net> (raw)
In-Reply-To: <20191205055419.13435-1-ebiggers@kernel.org>
From: Eric Biggers <ebiggers@kernel.org>
Date: Wed, 4 Dec 2019 21:54:19 -0800
> From: Eric Biggers <ebiggers@google.com>
>
> sock_fprog_kern::len is in units of struct sock_filter, not bytes.
>
> Fixes: 3e859adf3643 ("compat_ioctl: unify copy-in of ppp filters")
> Reported-by: syzbot+eb853b51b10f1befa0b7@syzkaller.appspotmail.com
> Signed-off-by: Eric Biggers <ebiggers@google.com>
Applied, thank you.
WARNING: multiple messages have this Message-ID (diff)
From: David Miller <davem@davemloft.net>
To: ebiggers@kernel.org
Cc: arnd@arndb.de, viro@zeniv.linux.org.uk, paulus@samba.org,
bpf@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-ppp@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org,
syzbot+eb853b51b10f1befa0b7@syzkaller.appspotmail.com,
syzkaller-bugs@googlegroups.com
Subject: Re: [PATCH] ppp: fix out-of-bounds access in bpf_prog_create()
Date: Thu, 05 Dec 2019 22:45:40 +0000 [thread overview]
Message-ID: <20191205.144540.791142390544922677.davem@davemloft.net> (raw)
In-Reply-To: <20191205055419.13435-1-ebiggers@kernel.org>
From: Eric Biggers <ebiggers@kernel.org>
Date: Wed, 4 Dec 2019 21:54:19 -0800
> From: Eric Biggers <ebiggers@google.com>
>
> sock_fprog_kern::len is in units of struct sock_filter, not bytes.
>
> Fixes: 3e859adf3643 ("compat_ioctl: unify copy-in of ppp filters")
> Reported-by: syzbot+eb853b51b10f1befa0b7@syzkaller.appspotmail.com
> Signed-off-by: Eric Biggers <ebiggers@google.com>
Applied, thank you.
next prev parent reply other threads:[~2019-12-05 22:45 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-17 18:49 KASAN: slab-out-of-bounds Read in bpf_prog_create syzbot
2019-09-17 18:49 ` syzbot
2019-09-28 3:15 ` Eric Biggers
2019-09-28 3:15 ` Eric Biggers
2019-12-05 5:22 ` Eric Biggers
2019-12-05 5:22 ` Eric Biggers
2019-12-05 5:54 ` [PATCH] ppp: fix out-of-bounds access in bpf_prog_create() Eric Biggers
2019-12-05 5:54 ` Eric Biggers
2019-12-05 9:07 ` Arnd Bergmann
2019-12-05 9:07 ` Arnd Bergmann
2019-12-05 22:45 ` David Miller [this message]
2019-12-05 22:45 ` David Miller
2019-12-05 9:08 ` KASAN: slab-out-of-bounds Read in bpf_prog_create Arnd Bergmann
2019-12-05 9:08 ` Arnd Bergmann
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