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| author | Martin Liska <mliska@suse.cz> | 2017-10-11 14:24:44 +0200 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2017-10-11 12:24:44 +0000 |
| commit | 78188a05d0f423b99edee82bce01fdad35e3c37b (patch) | |
| tree | cf7c92fcc36ad279fc0ece33e0d86f20f30ac500 /gcc | |
| parent | b1a651a25a4345c59604d8e50714b22742001afc (diff) | |
| download | gcc-78188a05d0f423b99edee82bce01fdad35e3c37b.zip gcc-78188a05d0f423b99edee82bce01fdad35e3c37b.tar.gz gcc-78188a05d0f423b99edee82bce01fdad35e3c37b.tar.bz2 | |
Do not handled volatile arguments (PR sanitizer/82484).
2017-10-11 Martin Liska <mliska@suse.cz>
PR sanitizer/82484
* sanopt.c (sanitize_rewrite_addressable_params): Do not handle
volatile arguments.
2017-10-11 Martin Liska <mliska@suse.cz>
PR sanitizer/82484
* gcc.dg/asan/pr82484.c: New test.
From-SVN: r253637
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/sanopt.c | 4 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/asan/pr82484.c | 5 |
4 files changed, 19 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 507859b..6b02c62 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2017-10-11 Martin Liska <mliska@suse.cz> + + PR sanitizer/82484 + * sanopt.c (sanitize_rewrite_addressable_params): Do not handle + volatile arguments. + 2017-10-11 Adhemerval Zanella <adhemerval.zanella@linaro.org> * config.gcc (default_gnu_indirect_function): Default to yes for diff --git a/gcc/sanopt.c b/gcc/sanopt.c index 997bcfd..019cf9f 100644 --- a/gcc/sanopt.c +++ b/gcc/sanopt.c @@ -1140,7 +1140,9 @@ sanitize_rewrite_addressable_params (function *fun) arg; arg = DECL_CHAIN (arg)) { tree type = TREE_TYPE (arg); - if (TREE_ADDRESSABLE (arg) && !TREE_ADDRESSABLE (type) + if (TREE_ADDRESSABLE (arg) + && !TREE_ADDRESSABLE (type) + && !TREE_THIS_VOLATILE (arg) && TREE_CODE (TYPE_SIZE (type)) == INTEGER_CST) { TREE_ADDRESSABLE (arg) = 0; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 8b603507..b6093d0 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,10 @@ 2017-10-11 Martin Liska <mliska@suse.cz> + PR sanitizer/82484 + * gcc.dg/asan/pr82484.c: New test. + +2017-10-11 Martin Liska <mliska@suse.cz> + * c-c++-common/ubsan/ptr-overflow-sanitization-1.c: Scan optimized dump rather than assembly. diff --git a/gcc/testsuite/gcc.dg/asan/pr82484.c b/gcc/testsuite/gcc.dg/asan/pr82484.c new file mode 100644 index 0000000..f8051bd --- /dev/null +++ b/gcc/testsuite/gcc.dg/asan/pr82484.c @@ -0,0 +1,5 @@ +/* PR sanitizer/82484 */ +/* { dg-do compile } */ + +void foo(volatile int *ptr); +void a (volatile int b) { foo(&b); } |