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From: NOKUBI Takatsugu <knok@daionet.gr.jp>
Date: Wed, 7 Aug 2019 16:23:53 +0900
Subject: Add malloc size check
---
src/allocator.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/allocator.c b/src/allocator.c
index 216fa34..c33c74b 100644
--- a/src/allocator.c
+++ b/src/allocator.c
@@ -147,6 +147,12 @@ sixel_allocator_malloc(
assert(allocator);
assert(allocator->fn_malloc);
+ if (n == 0) {
+ sixel_helper_set_additional_message(
+ "sixel_allocator_malloc: called with n == 0");
+ return NULL;
+ }
+
return allocator->fn_malloc(n);
}
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