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Fix fuzzing issues regarding masking

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This commit is contained in:
Alex Hultman
2022-01-03 17:01:07 +01:00
parent 0c8be4d20c
commit 5df695e02a
1 changed files with 6 additions and 1 deletions
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src/WebSocketProtocol.h
+6 -1
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@@ -402,7 +402,12 @@ protected:
/* No need to unmask if mask is 0 */ /* No need to unmask if mask is 0 */
uint32_t nullmask = 0; uint32_t nullmask = 0;
if (!memcmp(wState->mask, &nullmask, sizeof(uint32_t))) { if (!memcmp(wState->mask, &nullmask, sizeof(uint32_t))) {
unmaskAll(src, wState->mask); if /*constexpr*/ (LIBUS_RECV_BUFFER_LENGTH == length) {
unmaskAll(src, wState->mask);
} else {
// Slow path
unmaskInplace(src, src + ((length >> 2) + 1) * 4, wState->mask);
}
} }
} }