Update contrib/libs/simdjson to 4.6.4

commit_hash:819b71344c6fdfbb52ef42e39c2fb58e77397812

2 files changed, 13 insertions, 2 deletions

diff --git a/contrib/libs/simdjson/include/simdjson/generic/builder/json_string_builder-inl.h b/contrib/libs/simdjson/include/simdjson/generic/builder/json_string_builder-inl.h
index e7a01759612..8e176ca16ad 100644
--- a/contrib/libs/simdjson/include/simdjson/generic/builder/json_string_builder-inl.h
+++ b/contrib/libs/simdjson/include/simdjson/generic/builder/json_string_builder-inl.h
@@ -1,5 +1,6 @@
 #include <array>
 #include <cstring>
+#include <limits>
 #include <type_traits>
 #ifndef SIMDJSON_GENERIC_STRING_BUILDER_INL_H
 
@@ -755,6 +756,11 @@ simdjson_inline void string_builder::append(number_type v) noexcept {
 simdjson_inline void
 string_builder::escape_and_append(std::string_view input) noexcept {
   // escaping might turn a control character into \x00xx so 6 characters.
+  // Guard against size_t overflow in the multiplication below.
+  if (input.size() > (std::numeric_limits<size_t>::max)() / 6) {
+    set_valid(false);
+    return;
+  }
   if (capacity_check(6 * input.size())) {
     position += write_string_escaped(input, buffer.get() + position);
   }
@@ -763,6 +769,11 @@ string_builder::escape_and_append(std::string_view input) noexcept {
 simdjson_inline void
 string_builder::escape_and_append_with_quotes(std::string_view input) noexcept {
   // escaping might turn a control character into \x00xx so 6 characters.
+  // Guard against size_t overflow in the arithmetic below.
+  if (input.size() > ((std::numeric_limits<size_t>::max)() - 2) / 6) {
+    set_valid(false);
+    return;
+  }
   if (capacity_check(2 + 6 * input.size())) {
     buffer.get()[position++] = '"';
     position += write_string_escaped(input, buffer.get() + position);
diff --git a/contrib/libs/simdjson/include/simdjson/simdjson_version.h b/contrib/libs/simdjson/include/simdjson/simdjson_version.h
index a8c09f7c947..d0fe2397f1c 100644
--- a/contrib/libs/simdjson/include/simdjson/simdjson_version.h
+++ b/contrib/libs/simdjson/include/simdjson/simdjson_version.h
@@ -4,7 +4,7 @@
 #define SIMDJSON_SIMDJSON_VERSION_H
 
 /** The version of simdjson being used (major.minor.revision) */
-#define SIMDJSON_VERSION "4.6.3"
+#define SIMDJSON_VERSION "4.6.4"
 
 namespace simdjson {
 enum {
@@ -19,7 +19,7 @@ enum {
   /**
    * The revision (major.minor.REVISION) of simdjson being used.
    */
-  SIMDJSON_VERSION_REVISION = 3
+  SIMDJSON_VERSION_REVISION = 4
 };
 } // namespace simdjson