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From: Bruce Richardson <bruce.richardson@intel.com>
To: zhihongx.peng@intel.com
Cc: anatoly.burakov@intel.com, stephen@networkplumber.org,
	dev@dpdk.org, xueqin.lin@intel.com
Subject: Re: [dpdk-dev] [RFC] porting AddressSanitizer feature to DPDK
Date: Thu, 10 Jun 2021 09:32:48 +0100
Message-ID: <YMHOMHQvyDgejpmx@bricha3-MOBL.ger.corp.intel.com> (raw)
In-Reply-To: <20210610051352.48493-1-zhihongx.peng@intel.com>

On Thu, Jun 10, 2021 at 01:13:52PM +0800, zhihongx.peng@intel.com wrote:
> From: Zhihong Peng <zhihongx.peng@intel.com>
> 
> AddressSanitizer (ASan) is a google memory error detect
> standard tool. It could help to detect use-after-free and
> {heap,stack,global}-buffer overflow bugs in C/C++ programs,
> print detailed error information when error happens, large
> improve debug efficiency.
> 
> By referring to its implementation algorithm
> (https://github.com/google/sanitizers/wiki/AddressSanitizerAlgorithm),
> ported heap-buffer-overflow and use-after-freefunctions to dpdk.
> 
> Here is an example of heap-buffer-overflow bug:
> 	......
>         char *p = rte_zmalloc(NULL, 7, 0);
>         p[7] = 'a';
> 	......
> 
> Here is an example of use-after-free bug:
> 	......
>         char *p = rte_zmalloc(NULL, 7, 0);
>         rte_free(p);
>         *p = 'a';
> 	......
> 
> If you want to use this feature,
> you need to use the following compilation options:
> -Dc_args='-DRTE_MALLOC_ASAN'
> -Db_lundef=false -Db_sanitize=address
> 
Rather than forcing the user to pass in the extra c_args, you can
automatically add it from the eal/meson.build files. Something like:

if get_option('b_sanitize').startswith('address'):
	cflags += '-DRTE_MALLOC_ASAN'
endif

/Bruce

  reply	other threads:[~2021-06-10  8:33 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-10  5:13 zhihongx.peng
2021-06-10  8:32 ` Bruce Richardson [this message]
2021-06-11  4:42   ` Lin, Xueqin
2021-06-10  9:12 ` Ananyev, Konstantin
2021-06-11  4:49   ` Lin, Xueqin
2021-06-10 20:03 ` Stephen Hemminger
2021-06-11  6:15   ` Lin, Xueqin
2021-06-15  8:12 ` [dpdk-dev] [RFC v2] " zhihongx.peng
2021-06-15  8:40   ` Jerin Jacob
2021-06-16  9:13     ` Lin, Xueqin
2021-06-16 11:34       ` Jerin Jacob
2021-06-18  7:48         ` Lin, Xueqin
2021-06-18  9:04           ` David Marchand
2021-06-22  3:26             ` Lin, Xueqin
2021-06-28 14:22             ` Burakov, Anatoly
2021-06-28 14:23               ` Jerin Jacob
2021-06-30  8:15               ` Lin, Xueqin
2021-06-30  8:34               ` David Marchand
2021-07-01  6:48                 ` Lin, Xueqin
2021-07-01  7:40                   ` David Marchand
2021-07-02 11:05                     ` Lin, Xueqin
2021-07-06 20:40   ` David Christensen
2021-07-06 23:12     ` Stephen Hemminger

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