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[Bug sanitizer/61547] Invalid sanitization of trailing byte in __builtin_strlen
- From: "ygribov at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 16 Oct 2014 13:47:10 +0000
- Subject: [Bug sanitizer/61547] Invalid sanitization of trailing byte in __builtin_strlen
- Auto-submitted: auto-generated
- References: <bug-61547-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61547
--- Comment #6 from ygribov at gcc dot gnu.org ---
Author: ygribov
Date: Thu Oct 16 13:46:39 2014
New Revision: 216326
URL: https://gcc.gnu.org/viewcvs?rev=216326&root=gcc&view=rev
Log:
New asan-instrumentation-with-call-threshold
parameter.
2014-10-16 Yury Gribov <y.gribov@samsung.com>
Backport from mainline
2014-06-16 Yury Gribov <y.gribov@samsung.com>
* asan.c (check_func): New function.
(maybe_create_ssa_name): Likewise.
(build_check_stmt_with_calls): Likewise.
(use_calls_p): Likewise.
(report_error_func): Change interface.
(build_check_stmt): Allow non-integer lengths; add support
for new parameter.
(asan_instrument): Likewise.
(instrument_mem_region_access): Moved code to
build_check_stmt.
(instrument_derefs): Likewise.
(instrument_strlen_call): Likewise.
* cfgcleanup.c (old_insns_match_p): Add support for new
functions.
* doc/invoke.texi: Describe new parameter.
* params.def: Define new parameter.
* params.h: Likewise.
* sanitizer.def: Describe new builtins.
* c-c++-common/asan/instrument-with-calls-1.c: New test.
* c-c++-common/asan/instrument-with-calls-2.c: Likewise.
* c-c++-common/asan/no-redundant-instrumentation-1.c: Update
test patterns.
* c-c++-common/asan/no-redundant-instrumentation-2.c:
Likewise.
* c-c++-common/asan/no-redundant-instrumentation-4.c:
Likewise.
* c-c++-common/asan/no-redundant-instrumentation-5.c:
Likewise.
* c-c++-common/asan/no-redundant-instrumentation-6.c:
Likewise.
* c-c++-common/asan/no-redundant-instrumentation-7.c:
Likewise.
* c-c++-common/asan/no-redundant-instrumentation-8.c:
Likewise.
Backport from mainline
2014-06-16 Yury Gribov <y.gribov@samsung.com>
* asan.c (build_check_stmt): Fix maybe-uninitialized warning.
Backport from mainline
2014-06-18 Yury Gribov <y.gribov@samsung.com>
PR sanitizer/61530
* asan.c (build_check_stmt): Add condition.
* c-c++-common/asan/pr61530.c: New test.
Backport from mainline
2014-06-18 Yury Gribov <y.gribov@samsung.com>
PR sanitizer/61547
* asan.c (instrument_strlen_call): Fixed instrumentation of
trailing byte.
* c-c++-common/asan/strlen-overflow-1.c: New test.
Added:
branches/gcc-4_9-branch/gcc/testsuite/c-c++-common/asan/instrument-with-calls-1.c
branches/gcc-4_9-branch/gcc/testsuite/c-c++-common/asan/instrument-with-calls-2.c
branches/gcc-4_9-branch/gcc/testsuite/c-c++-common/asan/pr61530.c
branches/gcc-4_9-branch/gcc/testsuite/c-c++-common/asan/strlen-overflow-1.c
Modified:
branches/gcc-4_9-branch/gcc/ChangeLog
branches/gcc-4_9-branch/gcc/asan.c
branches/gcc-4_9-branch/gcc/cfgcleanup.c
branches/gcc-4_9-branch/gcc/doc/invoke.texi
branches/gcc-4_9-branch/gcc/params.def
branches/gcc-4_9-branch/gcc/params.h
branches/gcc-4_9-branch/gcc/sanitizer.def
branches/gcc-4_9-branch/gcc/testsuite/ChangeLog
branches/gcc-4_9-branch/gcc/testsuite/c-c++-common/asan/no-redundant-instrumentation-1.c
branches/gcc-4_9-branch/gcc/testsuite/c-c++-common/asan/no-redundant-instrumentation-2.c
branches/gcc-4_9-branch/gcc/testsuite/c-c++-common/asan/no-redundant-instrumentation-4.c
branches/gcc-4_9-branch/gcc/testsuite/c-c++-common/asan/no-redundant-instrumentation-5.c
branches/gcc-4_9-branch/gcc/testsuite/c-c++-common/asan/no-redundant-instrumentation-6.c
branches/gcc-4_9-branch/gcc/testsuite/c-c++-common/asan/no-redundant-instrumentation-7.c
branches/gcc-4_9-branch/gcc/testsuite/c-c++-common/asan/no-redundant-instrumentation-8.c