diff options
Diffstat (limited to 'source/x/fontconfig/fedora-patches/fontconfig-fix-assertion.patch')
| -rw-r--r-- | source/x/fontconfig/fedora-patches/fontconfig-fix-assertion.patch | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/source/x/fontconfig/fedora-patches/fontconfig-fix-assertion.patch b/source/x/fontconfig/fedora-patches/fontconfig-fix-assertion.patch new file mode 100644 index 000000000..2e337364d --- /dev/null +++ b/source/x/fontconfig/fedora-patches/fontconfig-fix-assertion.patch @@ -0,0 +1,144 @@ +From fbc05949ef52c8a8d69233eed77f6636dffec280 Mon Sep 17 00:00:00 2001 +From: Akira TAGOH <akira@tagoh.org> +Date: Wed, 26 Feb 2020 15:42:21 +0900 +Subject: [PATCH] Fix assertion in FcFini() + +Due to the unproper initialization of `latest_mtime', the duplicate caches +was still in fcCacheChains with no references. which means no one frees +them. thus, the memory leak was happened. + +Fixes https://gitlab.freedesktop.org/fontconfig/fontconfig/issues/227 +--- + src/fccache.c | 9 +++++---- + src/fcinit.c | 4 ++-- + 2 files changed, 7 insertions(+), 6 deletions(-) + +diff --git a/src/fccache.c b/src/fccache.c +index 4744a84..035458e 100644 +--- a/src/fccache.c ++++ b/src/fccache.c +@@ -365,7 +365,6 @@ FcDirCacheProcess (FcConfig *config, const FcChar8 *dir, + struct stat file_stat, dir_stat; + FcBool ret = FcFalse; + const FcChar8 *sysroot = FcConfigGetSysRoot (config); +- struct timeval latest_mtime = (struct timeval){ 0 }; + + if (sysroot) + d = FcStrBuildFilename (sysroot, dir, NULL); +@@ -390,6 +389,8 @@ FcDirCacheProcess (FcConfig *config, const FcChar8 *dir, + #ifndef _WIN32 + FcBool retried = FcFalse; + #endif ++ struct timeval latest_mtime = (struct timeval){ 0 }; ++ + if (sysroot) + cache_hashed = FcStrBuildFilename (sysroot, cache_dir, cache_base, NULL); + else +@@ -1081,12 +1082,12 @@ FcDirCacheLoadFile (const FcChar8 *cache_file, struct stat *file_stat) + + if (!file_stat) + file_stat = &my_file_stat; +- fd = FcDirCacheOpenFile (cache_file, file_stat); +- if (fd < 0) +- return NULL; + config = FcConfigReference (NULL); + if (!config) + return NULL; ++ fd = FcDirCacheOpenFile (cache_file, file_stat); ++ if (fd < 0) ++ return NULL; + cache = FcDirCacheMapFd (config, fd, file_stat, NULL); + FcConfigDestroy (config); + close (fd); +diff --git a/src/fcinit.c b/src/fcinit.c +index 6f82ebd..0e1421e 100644 +--- a/src/fcinit.c ++++ b/src/fcinit.c +@@ -199,10 +199,10 @@ void + FcFini (void) + { + FcConfigFini (); +- FcCacheFini (); ++ FcConfigPathFini (); + FcDefaultFini (); + FcObjectFini (); +- FcConfigPathFini (); ++ FcCacheFini (); + } + + /* +-- +2.24.1 + +From 6f6b39780215714386606ca1c5457a7106639ff4 Mon Sep 17 00:00:00 2001 +From: Akira TAGOH <akira@tagoh.org> +Date: Mon, 23 Mar 2020 14:03:47 +0900 +Subject: [PATCH] Fix assertion in FcCacheFini() again + +The previous fix in fbc05949ef52c8a8d69233eed77f6636dffec280 was wrong. reverting. + +When reading older caches, FcDirCacheMapHelper() returns FcFalse and +it became the return value from FcDirCacheProcess() too, which is wrong. +Actually one of calls for FcDirCacheMapHelper() should be successfully +finished and closure should have a valid pointer for cache. + +Due to this, the proper finalization process wasn't running against +cache in closure. + +Fixes https://gitlab.freedesktop.org/fontconfig/fontconfig/issues/227 +--- + src/fccache.c | 17 +++++++++++++++-- + 1 file changed, 15 insertions(+), 2 deletions(-) + +diff --git a/src/fccache.c b/src/fccache.c +index 035458e..2d398c7 100644 +--- a/src/fccache.c ++++ b/src/fccache.c +@@ -365,6 +365,7 @@ FcDirCacheProcess (FcConfig *config, const FcChar8 *dir, + struct stat file_stat, dir_stat; + FcBool ret = FcFalse; + const FcChar8 *sysroot = FcConfigGetSysRoot (config); ++ struct timeval latest_mtime = (struct timeval){ 0 }; + + if (sysroot) + d = FcStrBuildFilename (sysroot, dir, NULL); +@@ -389,7 +390,6 @@ FcDirCacheProcess (FcConfig *config, const FcChar8 *dir, + #ifndef _WIN32 + FcBool retried = FcFalse; + #endif +- struct timeval latest_mtime = (struct timeval){ 0 }; + + if (sysroot) + cache_hashed = FcStrBuildFilename (sysroot, cache_dir, cache_base, NULL); +@@ -445,6 +445,8 @@ FcDirCacheProcess (FcConfig *config, const FcChar8 *dir, + } + FcStrListDone (list); + ++ if (closure) ++ return !!(*((FcCache **)closure) != NULL); + return ret; + } + +@@ -792,7 +794,18 @@ FcCacheFini (void) + int i; + + for (i = 0; i < FC_CACHE_MAX_LEVEL; i++) +- assert (fcCacheChains[i] == NULL); ++ { ++ if (FcDebug() & FC_DBG_CACHE) ++ { ++ if (fcCacheChains[i] != NULL) ++ { ++ FcCacheSkip *s = fcCacheChains[i]; ++ printf("Fontconfig error: not freed %p (dir: %s, refcount %d)\n", s->cache, FcCacheDir(s->cache), s->ref.count); ++ } ++ } ++ else ++ assert (fcCacheChains[i] == NULL); ++ } + assert (fcCacheMaxLevel == 0); + + free_lock (); +-- +2.24.1 + |