Author: Lukas Fleischer <cgit@cryptocrack.de>
print_tag_downloads(): Free ref variable Make sure the ref variable is freed if we build a "$basename-$version"-style ref. This fixes following memory leak seen with "PATH_INFO=/cgit/refs/": ==8784== 323 bytes in 29 blocks are definitely lost in loss record 41 of 53 ==8784== at 0x4C2C04B: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==8784== by 0x56F2DF1: strdup (in /usr/lib/libc-2.17.so) ==8784== by 0x46CA28: xstrdup (wrapper.c:35) ==8784== by 0x410DA6: print_tag_downloads (ui-refs.c:115) ==8784== by 0x410F02: print_tag (ui-refs.c:141) ==8784== by 0x41128B: cgit_print_tags (ui-refs.c:230) ==8784== by 0x41134D: cgit_print_refs (ui-refs.c:250) ==8784== by 0x407C85: refs_fn (cmd.c:105) ==8784== by 0x405DDF: process_request (cgit.c:566) ==8784== by 0x407490: cache_process (cache.c:322) ==8784== by 0x406C18: main (cgit.c:864) Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
ui-refs.c | 8 +++++++-
diff --git a/ui-refs.c b/ui-refs.c index 4a9b8d37db21bbd359fe9e2d9bf07dde0c8039b1..e89f8368dcb1f4f667eb797e48f317e1d11376d4 100644 --- a/ui-refs.c +++ b/ui-refs.c @@ -103,6 +103,7 @@ { const struct cgit_snapshot_format* f; char *filename; const char *basename; + int free_ref = 0; if (!ref || strlen(ref) < 2) return; @@ -111,8 +112,10 @@ basename = cgit_repobasename(repo->url); if (prefixcmp(ref, basename) != 0) { if ((ref[0] == 'v' || ref[0] == 'V') && isdigit(ref[1])) ref++; - if (isdigit(ref[0])) + if (isdigit(ref[0])) { ref = xstrdup(fmt("%s-%s", basename, ref)); + free_ref = 1; + } } for (f = cgit_snapshot_formats; f->suffix; f++) { @@ -122,6 +125,9 @@ filename = fmt("%s%s", ref, f->suffix); cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename); html(" "); } + + if (free_ref) + free((char *)ref); } static int print_tag(struct refinfo *ref) {