prevent accessing memory that we dont own
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		@@ -231,10 +231,10 @@ void parse_config_file(char *map, size_t len)
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	int off;
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	for (; p < end; p++) {
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		if (!memcmp(p, "CONFIG_", 7)) goto conf7;
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		if (!memcmp(p, "ENABLE_", 7)) goto conf7;
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		if (!memcmp(p, "USE_", 4)) goto conf4;
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		if (!memcmp(p, "SKIP_", 5)) goto conf5;
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		if (p<end-7 && !memcmp(p, "CONFIG_", 7)) goto conf7;
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		if (p<end-7 && !memcmp(p, "ENABLE_", 7)) goto conf7;
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		if (p<end-4 && !memcmp(p, "USE_", 4)) goto conf4;
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		if (p<end-5 && !memcmp(p, "SKIP_", 5)) goto conf5;
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		continue;
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	conf4:	off = 4; goto conf;
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	conf5:	off = 5; goto conf;
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@@ -303,7 +303,7 @@ void parse_dep_file(void *map, size_t len)
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	char *p;
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	char s[PATH_MAX];
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	p = strchr(m, ':');
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	p = memchr(m, ':', len);
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	if (!p) {
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		fprintf(stderr, "fixdep: parse error\n");
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		exit(1);
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