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fuzzers: set fontconfig sysroot

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Allows to specify custom fontconfig sysroot. Useful for fuzzing
environments where we might use specific config, font or the system wide
config is not available.
This commit is contained in:
Kacper Michajłow
2025-08-06 02:25:21 +02:00
parent 0232ff27a8
commit cc660f8609
5 changed files with 15 additions and 0 deletions
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7
fuzzers/common.h
View File

@@ -48,6 +48,13 @@ static inline bool str_startswith(const char *str, size_t str_len,
return !memcmp(str, prefix, prefix_len);
}
static inline void set_fontconfig_sysroot(void)
{
#ifdef MPV_FONTCONFIG_SYSROOT
setenv("FONTCONFIG_SYSROOT", MPV_STRINGIFY(MPV_FONTCONFIG_SYSROOT), 1);
#endif
}
#ifndef PLAYBACK_TIME_LIMIT
#define PLAYBACK_TIME_LIMIT 5
#endif

2
fuzzers/fuzzer_load.c
View File

@@ -64,6 +64,8 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
if (sprintf(filename, "fd://%d", fd) <= 5)
exit(1);
set_fontconfig_sysroot();
mpv_handle *ctx = mpv_create();
if (!ctx)
exit(1);

2
fuzzers/fuzzer_loadfile_direct.c
View File

@@ -39,6 +39,8 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
return 0;
#endif
set_fontconfig_sysroot();
mpv_handle *ctx = mpv_create();
if (!ctx)
exit(1);

2
fuzzers/fuzzer_options_parser.c
View File

@@ -56,6 +56,8 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
}
opts[count] = NULL;
set_fontconfig_sysroot();
mpv_handle *ctx = mpv_create();
if (!ctx)
exit(1);

2
fuzzers/fuzzer_set_property.c
View File

@@ -54,6 +54,8 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
if (!name_len || name_len != size - value_len - 1)
return 0;
set_fontconfig_sysroot();
mpv_handle *ctx = mpv_create();
if (!ctx)
exit(1);