From 31113b3a6d9c4320295cd2e0c9ab23337a8c2462 Mon Sep 17 00:00:00 2001 From: Jameson Nash Date: Mon, 4 Nov 2024 15:12:07 +0000 Subject: [PATCH] Ensure that String(::Memory) returns only a String, not any owner Fixes #56435 --- src/genericmemory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/genericmemory.c b/src/genericmemory.c index 5c48e3202493e..c310eb829e198 100644 --- a/src/genericmemory.c +++ b/src/genericmemory.c @@ -197,7 +197,7 @@ JL_DLLEXPORT jl_value_t *jl_genericmemory_to_string(jl_genericmemory_t *m, size_ if (how != 0) { jl_value_t *o = jl_genericmemory_data_owner_field(m); jl_genericmemory_data_owner_field(m) = NULL; - if (how == 3 && + if (how == 3 && jl_is_string(o) && ((mlength + sizeof(void*) + 1 <= GC_MAX_SZCLASS) == (len + sizeof(void*) + 1 <= GC_MAX_SZCLASS))) { if (jl_string_data(o)[len] != '\0') jl_string_data(o)[len] = '\0';