Junio C Hamano <gitster@xxxxxxxxx> writes:
> * rr/die-on-missing-upstream (2013-05-22) 2 commits
> - sha1_name: fix error message for @{<N>}, @{<date>}
> - sha1_name: fix error message for @{u}
>
> When a reflog notation is used for implicit "current branch", we
> did not say which branch and worse said "branch ''".
>
> Will merge to 'next'.
This interacts with the tests from
> * fc/at-head (2013-05-08) 13 commits
to fail valgrind in t1508 like so:
==22927== Invalid read of size 1
==22927== at 0x4C2C71B: __GI_strnlen (mc_replace_strmem.c:377)
==22927== by 0x567FF6B: vfprintf (in /lib64/libc-2.17.so)
==22927== by 0x56AC194: vsnprintf (in /lib64/libc-2.17.so)
==22927== by 0x4EAC39: vreportf (usage.c:12)
==22927== by 0x4EACA4: die_builtin (usage.c:36)
==22927== by 0x4EAEE0: die (usage.c:103)
==22927== by 0x4D8C51: get_sha1_1 (sha1_name.c:542)
==22927== by 0x4D8E5D: get_sha1_with_context_1 (sha1_name.c:1299)
==22927== by 0x4D992A: get_sha1_with_context (sha1_name.c:1417)
==22927== by 0x4D99E1: get_sha1 (sha1_name.c:1124)
==22927== by 0x45E1AC: cmd_rev_parse (rev-parse.c:761)
==22927== by 0x4051B3: handle_internal_command (git.c:284)
==22927== Address 0x5bebccb is 11 bytes inside a block of size 22 free'd
==22927== at 0x4C2ACDA: free (vg_replace_malloc.c:468)
==22927== by 0x4D8C37: get_sha1_1 (sha1_name.c:541)
==22927== by 0x4D8E5D: get_sha1_with_context_1 (sha1_name.c:1299)
==22927== by 0x4D992A: get_sha1_with_context (sha1_name.c:1417)
==22927== by 0x4D99E1: get_sha1 (sha1_name.c:1124)
==22927== by 0x45E1AC: cmd_rev_parse (rev-parse.c:761)
==22927== by 0x4051B3: handle_internal_command (git.c:284)
==22927== by 0x4053E7: main (git.c:492)
I think it's enough to squash this little change; leaking some memory
immediately before die() is not too bad, especially if we're going to
pass real_ref+11 into die()...
diff --git i/sha1_name.c w/sha1_name.c
index 5ea16ff..a07558d 100644
--- i/sha1_name.c
+++ w/sha1_name.c
@@ -538,7 +538,6 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1)
"back to %s.", len, str,
show_date(co_time, co_tz, DATE_RFC2822));
else {
- free(real_ref);
die("Log for '%.*s' only has %d entries.",
len, str, co_cnt);
}
--
Thomas Rast
trast@{inf,student}.ethz.ch
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