From: "brian m. carlson" <sandals@crustytoothpaste.net>
To: Junio C Hamano <gitster@pobox.com>
Cc: "Hariom verma" <hariom18599@gmail.com>,
"Hariom Verma via GitGitGadget" <gitgitgadget@gmail.com>,
git <git@vger.kernel.org>,
"Christian Couder" <christian.couder@gmail.com>,
"Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Subject: Re: [PATCH v3 3/3] ref-filter: use pretty.c logic for trailers
Date: Tue, 9 Feb 2021 03:04:55 +0000 [thread overview]
Message-ID: <YCH71+ck1Wmk1Css@camp.crustytoothpaste.net> (raw)
In-Reply-To: <xmqqlfby5o9h.fsf@gitster.c.googlers.com>
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On 2021-02-08 at 19:54:18, Junio C Hamano wrote:
> Junio C Hamano <gitster@pobox.com> writes:
>
> > By the way, when merged to 'seen' (you can try the above that shows
> > %(subject) followed by %(trailers) with the tip of 'seen'), it dies
> > like this:
> >
> > $ git for-each-ref \
> > --format="%(subject)%0a%(trailers:key=Signed-off-by:)" \
> > refs/heads/js/range-diff-wo-dotdot
> > free(): double free detected in tcache 2
> > Aborted
> >
> > There must be some interaction with another topic but I didn't dig
> > deeper.
>
> It seems brian's bc/signed-objects-with-both-hashes topic alone has
> the double-free issue, without the "trailers" topic.
>
> $ git checkout --detach bc/signed-objects-with-both-hashes
> $ make git
> $ ./git for-each-ref --format='%(subject)%(body)' refs/heads/maint
> free(): double free detected in tcache 2
> Aborted
>
> So for now, you do not have to worry about it in your topic. Of
> course, you are very much welcome to help debugging and fixing it
> ;-)
I'll send out a fixed patch tomorrow, but for the moment, here's the
gist of the change if you want to an immediate fix to squash in:
------- %< ---------
diff --git a/ref-filter.c b/ref-filter.c
index e6c8106377..5f8a443be5 100644
--- a/ref-filter.c
+++ b/ref-filter.c
@@ -1344,8 +1344,8 @@ static void grab_sub_body_contents(struct atom_value *val, int deref, void *buf)
} else if (atom->u.contents.option == C_BARE)
v->s = xstrdup(subpos);
- free((void *)sigpos);
}
+ free((void *)sigpos);
}
/*
------- %< ---------
--
brian m. carlson (he/him or they/them)
Houston, Texas, US
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next prev parent reply other threads:[~2021-02-09 3:09 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-05 19:48 [PATCH 0/2] Unify trailers formatting logic for pretty.c and ref-filter.c Hariom Verma via GitGitGadget
2020-09-05 19:48 ` [PATCH 1/2] pretty.c: refactor trailer logic to `format_set_trailers_options()` Hariom Verma via GitGitGadget
2020-09-05 21:59 ` René Scharfe
2020-09-05 19:48 ` [PATCH 2/2] ref-filter: using pretty.c logic for trailers Hariom Verma via GitGitGadget
2021-01-29 21:09 ` [PATCH v2 0/3] Unify trailers formatting logic for pretty.c and ref-filter.c Hariom Verma via GitGitGadget
2021-01-29 21:09 ` [PATCH v2 1/3] pretty.c: refactor trailer logic to `format_set_trailers_options()` Hariom Verma via GitGitGadget
2021-01-29 23:49 ` Junio C Hamano
2021-01-29 21:09 ` [PATCH v2 2/3] pretty.c: capture invalid trailer argument Hariom Verma via GitGitGadget
2021-01-29 22:28 ` Christian Couder
2021-01-30 19:16 ` Hariom verma
2021-01-30 0:01 ` Junio C Hamano
2021-01-30 19:00 ` Hariom verma
2021-01-30 0:07 ` Junio C Hamano
2021-01-30 19:06 ` Hariom verma
2021-01-29 21:09 ` [PATCH v2 3/3] ref-filter: use pretty.c logic for trailers Hariom Verma via GitGitGadget
2021-01-30 20:45 ` Ævar Arnfjörð Bjarmason
2021-02-04 18:46 ` Hariom verma
2021-02-04 20:53 ` Ævar Arnfjörð Bjarmason
2021-01-30 1:17 ` [PATCH v2 0/3] Unify trailers formatting logic for pretty.c and ref-filter.c Junio C Hamano
2021-01-30 1:28 ` Junio C Hamano
2021-01-30 19:15 ` Hariom verma
2021-01-30 20:20 ` Junio C Hamano
2021-02-06 9:15 ` [PATCH v3 " Hariom Verma via GitGitGadget
2021-02-06 9:15 ` [PATCH v3 1/3] pretty.c: refactor trailer logic to `format_set_trailers_options()` Hariom Verma via GitGitGadget
2021-02-06 9:15 ` [PATCH v3 2/3] pretty.c: capture invalid trailer argument Hariom Verma via GitGitGadget
2021-02-06 9:15 ` [PATCH v3 3/3] ref-filter: use pretty.c logic for trailers Hariom Verma via GitGitGadget
2021-02-07 5:45 ` Junio C Hamano
2021-02-07 12:06 ` Hariom verma
2021-02-07 18:19 ` Junio C Hamano
2021-02-07 19:38 ` Hariom verma
2021-02-07 20:09 ` Junio C Hamano
2021-02-08 17:07 ` Hariom verma
2021-02-08 18:29 ` Junio C Hamano
[not found] ` <xmqqlfby5o9h.fsf@gitster.c.googlers.com>
2021-02-08 23:43 ` brian m. carlson
2021-02-09 3:04 ` brian m. carlson [this message]
2021-02-09 20:54 ` Junio C Hamano
2021-02-07 3:33 ` [PATCH v3 0/3] Unify trailers formatting logic for pretty.c and ref-filter.c Junio C Hamano
2021-02-07 5:06 ` Junio C Hamano
2021-02-13 1:52 ` [PATCH v4 0/4] " Hariom Verma via GitGitGadget
2021-02-13 1:52 ` [PATCH v4 1/4] t6300: use function to test trailer options Hariom Verma via GitGitGadget
2021-02-13 1:52 ` [PATCH v4 2/4] pretty.c: refactor trailer logic to `format_set_trailers_options()` Hariom Verma via GitGitGadget
2021-02-13 1:52 ` [PATCH v4 3/4] pretty.c: capture invalid trailer argument Hariom Verma via GitGitGadget
2021-02-13 1:52 ` [PATCH v4 4/4] ref-filter: use pretty.c logic for trailers Hariom Verma via GitGitGadget
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