From: Simon Ruderich <simon@ruderich.org>
To: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Cc: git@vger.kernel.org, Junio C Hamano <gitster@pobox.com>
Subject: Re: [PATCH 2/2] grep: fix segfault under -P + PCRE2 + (*NO_JIT)
Date: Thu, 23 Nov 2017 10:10:40 +0100 [thread overview]
Message-ID: <20171123091040.GA8095@ruderich.org> (raw)
In-Reply-To: <20171122133630.18931-2-avarab@gmail.com>
On Wed, Nov 22, 2017 at 01:36:30PM +0000, Ævar Arnfjörð Bjarmason wrote:
> + *
> + * This is because if the pattern contains the
> + * (*NO_JIT) verb (see pcre2syntax(3))
> + * pcre2_jit_compile() will exit early with 0. If we
> + * then proceed to call pcre2_jit_match() further down
> + * the line instead of pcre2_match() we'll segfault.
> + */
> + patinforet = pcre2_pattern_info(p->pcre2_pattern, PCRE2_INFO_JITSIZE, &jitsizearg);
> + if (patinforet)
> + die("BUG: The patinforet variable should be 0 after the pcre2_pattern_info() call, not %d",
> + patinforet);
I think BUG() should be used here, and maybe shorten the error
message:
BUG("pcre2_pattern_info() failed: %d", patinforet);
Regards
Simon
--
+ privacy is necessary
+ using gnupg http://gnupg.org
+ public key id: 0x92FEFDB7E44C32F9
next prev parent reply other threads:[~2017-11-23 9:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-22 13:36 [PATCH 1/2] test-lib: add LIBPCRE1 & LIBPCRE2 prerequisites Ævar Arnfjörð Bjarmason
2017-11-22 13:36 ` [PATCH 2/2] grep: fix segfault under -P + PCRE2 + (*NO_JIT) Ævar Arnfjörð Bjarmason
2017-11-22 18:18 ` Eric Sunshine
2017-11-23 9:15 ` Ævar Arnfjörð Bjarmason
2017-11-23 9:10 ` Simon Ruderich [this message]
2017-11-23 14:16 ` [PATCH v2 1/2] test-lib: add LIBPCRE1 & LIBPCRE2 prerequisites Ævar Arnfjörð Bjarmason
2017-11-23 14:16 ` [PATCH v2 2/2] grep: fix segfault under -P + PCRE2 <=10.30 + (*NO_JIT) Ævar Arnfjörð Bjarmason
2017-11-22 20:22 ` [PATCH 1/2] test-lib: add LIBPCRE1 & LIBPCRE2 prerequisites Jonathan Nieder
2017-11-23 9:11 ` Ævar Arnfjörð Bjarmason
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