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From: "Lin, Xueqin" <xueqin.lin@intel.com>
To: "Richardson, Bruce" <bruce.richardson@intel.com>,
	"Peng, ZhihongX" <zhihongx.peng@intel.com>
Cc: "Burakov, Anatoly" <anatoly.burakov@intel.com>,
	"stephen@networkplumber.org" <stephen@networkplumber.org>,
	"dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [RFC] porting AddressSanitizer feature to DPDK
Date: Fri, 11 Jun 2021 04:42:37 +0000
Message-ID: <BN7PR11MB2658949BB8345904DC70853A94349@BN7PR11MB2658.namprd11.prod.outlook.com> (raw)
In-Reply-To: <YMHOMHQvyDgejpmx@bricha3-MOBL.ger.corp.intel.com>

> -----Original Message-----
> From: Richardson, Bruce <bruce.richardson@intel.com>
> Sent: Thursday, June 10, 2021 4:33 PM
> To: Peng, ZhihongX <zhihongx.peng@intel.com>
> Cc: Burakov, Anatoly <anatoly.burakov@intel.com>;
> stephen@networkplumber.org; dev@dpdk.org; Lin, Xueqin
> <xueqin.lin@intel.com>
> Subject: Re: [dpdk-dev] [RFC] porting AddressSanitizer feature to DPDK
> 
> 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

Thanks Bruce for your review, really good suggestion for this part optimization, we will update it. 

  reply	other threads:[~2021-06-11  4:42 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
2021-06-11  4:42   ` Lin, Xueqin [this message]
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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