From a16d0924f18046704ef9a4b6d9593718594677f1 Mon Sep 17 00:00:00 2001 From: Harald Anlauf Date: Wed, 24 Jun 2020 21:03:47 +0200 Subject: PR fortran/95827 - Buffer overflows with submodules and coarrays With submodules and coarrays, name mangling results in long internal symbols. Enlarge internal buffer. gcc/fortran/ PR fortran/95827 * iresolve.c (gfc_get_string): Enlarge internal buffer used in generating the mangled name. --- gcc/fortran/iresolve.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'gcc/fortran/iresolve.c') diff --git a/gcc/fortran/iresolve.c b/gcc/fortran/iresolve.c index aa9bb32..7376961 100644 --- a/gcc/fortran/iresolve.c +++ b/gcc/fortran/iresolve.c @@ -47,8 +47,8 @@ along with GCC; see the file COPYING3. If not see const char * gfc_get_string (const char *format, ...) { - /* Provide sufficient space to hold "_F.symbol.symbol_MOD_symbol". */ - char temp_name[4 + 2*GFC_MAX_SYMBOL_LEN + 5 + GFC_MAX_SYMBOL_LEN + 1]; + /* Provide sufficient space for "_F.caf_token__symbol.symbol_MOD_symbol". */ + char temp_name[15 + 2*GFC_MAX_SYMBOL_LEN + 5 + GFC_MAX_SYMBOL_LEN + 1]; const char *str; va_list ap; tree ident; -- cgit v1.1