[PATCH, committed] Fortran: fix possible null pointer dereference [PR124807]
Harald Anlauf <[email protected]>
| Newsgroups | gmane.comp.gcc.patches,gmane.comp.gcc.fortran |
|---|---|
| Message-ID | <[email protected]> |
Dear all, I pushed the attached obvious patch that fixes a potential null pointer dereference (as seen by Coverity) as r16-8611-g29fba8b050b096 . Thanks, Harald
0001-Fortran-fix-possible-null-pointer-dereference-PR1248.patch
(text/x-patch, 1.3 KB)
From 29fba8b050b09616a9397d8fc8ce9328457fdcc5 Mon Sep 17 00:00:00 2001 From: Harald Anlauf <[email protected]> Date: Tue, 14 Apr 2026 20:53:15 +0200 Subject: [PATCH] Fortran: fix possible null pointer dereference [PR124807] PR fortran/124807 gcc/fortran/ChangeLog: * decl.cc (add_init_expr_to_sym): Suggested by Coverity: Check sym->as != NULL before dereferencing it. --- gcc/fortran/decl.cc | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/gcc/fortran/decl.cc b/gcc/fortran/decl.cc index 6e48909c43a..5d194635ad6 100644 --- a/gcc/fortran/decl.cc +++ b/gcc/fortran/decl.cc @@ -2264,7 +2264,7 @@ add_init_expr_to_sym (const char *name, gfc_expr **initp, locus *var_locus, /* If sym is implied-shape, set its upper bounds from init. */ if (sym->attr.flavor == FL_PARAMETER && sym->attr.dimension - && sym->as->type == AS_IMPLIED_SHAPE) + && sym->as && sym->as->type == AS_IMPLIED_SHAPE) { int dim; @@ -2333,7 +2333,7 @@ add_init_expr_to_sym (const char *name, gfc_expr **initp, locus *var_locus, /* Ensure that explicit bounds are simplified. */ if (sym->attr.flavor == FL_PARAMETER && sym->attr.dimension - && sym->as->type == AS_EXPLICIT) + && sym->as && sym->as->type == AS_EXPLICIT) { for (int dim = 0; dim < sym->as->rank; ++dim) { -- 2.51.0