summaryrefslogtreecommitdiff
path: root/gcc/c-family/c-ubsan.c
diff options
context:
space:
mode:
authormarxin <marxin@138bc75d-0d04-0410-961f-82ee72b054a4>2017-07-31 08:53:00 +0000
committermarxin <marxin@138bc75d-0d04-0410-961f-82ee72b054a4>2017-07-31 08:53:00 +0000
commitdadc219c1a246e9e101bfd2d6728e948c05a0ce0 (patch)
treebbf935d2f3780cbc507657f93feae23ae87fbd39 /gcc/c-family/c-ubsan.c
parent829b2f3fd8f1c449bc4b01dbef0130bd57f80fc0 (diff)
downloadgcc-dadc219c1a246e9e101bfd2d6728e948c05a0ce0.tar.gz
Do UBSAN sanitization just when current_function_decl != NULL_TREE (PR sanitize/81530).
2017-07-31 Martin Liska <mliska@suse.cz> PR sanitize/81530 * cp-gimplify.c (cp_genericize): Guard condition with flag_sanitize_p also with current_function_decl non-null equality. * cp-ubsan.c (cp_ubsan_instrument_vptr_p): Likewise. * decl.c (compute_array_index_type): Likewise. * init.c (finish_length_check): Likewise. * typeck.c (cp_build_binary_op): Likewise. 2017-07-31 Martin Liska <mliska@suse.cz> PR sanitize/81530 * c-convert.c (convert): Guard condition with flag_sanitize_p also with current_function_decl non-null equality. * c-decl.c (grokdeclarator): Likewise. * c-typeck.c (build_binary_op): Likewise. 2017-07-31 Martin Liska <mliska@suse.cz> PR sanitize/81530 * convert.c (convert_to_integer_1): Guard condition with flag_sanitize_p also with current_function_decl non-null equality. 2017-07-31 Martin Liska <mliska@suse.cz> PR sanitize/81530 * c-ubsan.c (ubsan_maybe_instrument_array_ref): Guard condition with flag_sanitize_p also with current_function_decl non-null equality. (ubsan_maybe_instrument_reference_or_call): Likewise. 2017-07-31 Martin Liska <mliska@suse.cz> PR sanitize/81530 * g++.dg/ubsan/pr81530.C: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@250730 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/c-family/c-ubsan.c')
-rw-r--r--gcc/c-family/c-ubsan.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/c-family/c-ubsan.c b/gcc/c-family/c-ubsan.c
index a072d19eda6..541b53009c2 100644
--- a/gcc/c-family/c-ubsan.c
+++ b/gcc/c-family/c-ubsan.c
@@ -373,7 +373,8 @@ void
ubsan_maybe_instrument_array_ref (tree *expr_p, bool ignore_off_by_one)
{
if (!ubsan_array_ref_instrumented_p (*expr_p)
- && sanitize_flags_p (SANITIZE_BOUNDS | SANITIZE_BOUNDS_STRICT))
+ && sanitize_flags_p (SANITIZE_BOUNDS | SANITIZE_BOUNDS_STRICT)
+ && current_function_decl != NULL_TREE)
{
tree op0 = TREE_OPERAND (*expr_p, 0);
tree op1 = TREE_OPERAND (*expr_p, 1);
@@ -393,7 +394,8 @@ static tree
ubsan_maybe_instrument_reference_or_call (location_t loc, tree op, tree ptype,
enum ubsan_null_ckind ckind)
{
- if (!sanitize_flags_p (SANITIZE_ALIGNMENT | SANITIZE_NULL))
+ if (!sanitize_flags_p (SANITIZE_ALIGNMENT | SANITIZE_NULL)
+ || current_function_decl == NULL_TREE)
return NULL_TREE;
tree type = TREE_TYPE (ptype);