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fix overflow error in mem_putstats()

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an integer overflow could cause an assertion failure when
freeing memory.
This commit is contained in:
Evan Hunt
2022-08-08 11:42:07 -07:00
parent 870d01ce29
commit 9d9bd3ace2
2 changed files with 4 additions and 1 deletions
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3
CHANGES
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@@ -1,3 +1,6 @@
5938. [bug] An integer type overflow could cause an assertion
failure when freeing memory. [GL #3483]
5937. [cleanup] The dns_rdatalist_tordataset() and
dns_rdatalist_fromrdataset() functions can no
longer fail. Clean up their prototypes and error

2
lib/isc/mem.c
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@@ -414,7 +414,7 @@ mem_getstats(isc_mem_t *ctx, size_t size) {
static void
mem_putstats(isc_mem_t *ctx, void *ptr, size_t size) {
struct stats *stats = stats_bucket(ctx, size);
uint_fast32_t s, g;
atomic_size_t s, g;
UNUSED(ptr);