17 lines
417 B
Diff
17 lines
417 B
Diff
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--- a/src/api.c
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+++ a/src/api.c
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@@ -117,7 +117,12 @@
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YAML_DECLARE(int)
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yaml_stack_extend(void **start, void **top, void **end)
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{
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- void *new_start = yaml_realloc(*start, ((char *)*end - (char *)*start)*2);
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+ void *new_start;
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+
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+ if ((char *)*end - (char *)*start >= INT_MAX / 2)
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+ return 0;
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+
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+ new_start = yaml_realloc(*start, ((char *)*end - (char *)*start)*2);
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if (!new_start) return 0;
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