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Merge branch 'ab/receive-pack-use-after-free-fix'

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Memfix.

* ab/receive-pack-use-after-free-fix:
  receive-pack: fix use-after-free bug
This commit is contained in:
Junio C Hamano 2019-03-07 09:59:57 +09:00
commit 4751a1673c
1 changed files with 15 additions and 8 deletions
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23
builtin/receive-pack.c
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@ -1202,17 +1202,12 @@ static void run_update_post_hook(struct command *commands)
}
}
static void check_aliased_update(struct command *cmd, struct string_list *list)
static void check_aliased_update_internal(struct command *cmd,
struct string_list *list,
const char *dst_name, int flag)
{
struct strbuf buf = STRBUF_INIT;
const char *dst_name;
struct string_list_item *item;
struct command *dst_cmd;
int flag;
strbuf_addf(&buf, "%s%s", get_git_namespace(), cmd->ref_name);
dst_name = resolve_ref_unsafe(buf.buf, 0, NULL, &flag);
strbuf_release(&buf);
if (!(flag & REF_ISSYMREF))
return;
@ -1251,6 +1246,18 @@ static void check_aliased_update(struct command *cmd, struct string_list *list)
"inconsistent aliased update";
}
static void check_aliased_update(struct command *cmd, struct string_list *list)
{
struct strbuf buf = STRBUF_INIT;
const char *dst_name;
int flag;
strbuf_addf(&buf, "%s%s", get_git_namespace(), cmd->ref_name);
dst_name = resolve_ref_unsafe(buf.buf, 0, NULL, &flag);
check_aliased_update_internal(cmd, list, dst_name, flag);
strbuf_release(&buf);
}
static void check_aliased_updates(struct command *commands)
{
struct command *cmd;