Re: [PATCH] libbpf: fix an snprintf() overflow check

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Subject: Re: [PATCH] libbpf: fix an snprintf() overflow check
From: Martin KaFai Lau <kafai@xxxxxx>
Date: Tue, 19 Jul 2022 10:19:34 -0700
Cc: Andrii Nakryiko <andrii@xxxxxxxxxx>, Alexei Starovoitov <ast@xxxxxxxxxx>, Daniel Borkmann <daniel@xxxxxxxxxxxxx>, Martin KaFai Lau <martin.lau@xxxxxxxxx>, Song Liu <song@xxxxxxxxxx>, Yonghong Song <yhs@xxxxxx>, John Fastabend <john.fastabend@xxxxxxxxx>, KP Singh <kpsingh@xxxxxxxxxx>, Stanislav Fomichev <sdf@xxxxxxxxxx>, Hao Luo <haoluo@xxxxxxxxxx>, Jiri Olsa <jolsa@xxxxxxxxxx>, bpf@xxxxxxxxxxxxxxx, kernel-janitors@xxxxxxxxxxxxxxx
In-reply-to: <YtZ+oAySqIhFl6/J@kili>
References: <YtZ+oAySqIhFl6/J@kili>

On Tue, Jul 19, 2022 at 12:51:28PM +0300, Dan Carpenter wrote:
> The snprintf() function returns the number of bytes it *would* have
> copied if there were enough space.  So it can return > the
> sizeof(gen->attach_target).
Acked-by: Martin KaFai Lau <kafai@xxxxxx>

References:
- [PATCH] libbpf: fix an snprintf() overflow check
  - From: Dan Carpenter

Prev by Date: Re: [PATCH] libbpf: fix str_has_sfx()
Next by Date: Re: [PATCH] selftests/bpf: fix a test for snprintf() overflow
Previous by thread: [PATCH] libbpf: fix an snprintf() overflow check
Next by thread: Re: [PATCH] libbpf: fix an snprintf() overflow check
Index(es):
- Date
- Thread

[Index of Archives] [Kernel Development] [Kernel Announce] [Kernel Newbies] [Linux Networking Development] [Share Photos] [IDE] [Security] [Git] [Netfilter] [Yosemite News] [MIPS Linux] [ARM Linux] [Device Mapper]

Powered by Linux