We are still limited by /proc/*/cmdline size (4Kb max on Linux!).

llvm-svn: 175145

[asan] use short path for sanitizer_common/tests/sanitizer_test_utils.h, add -I sanitizer_common/tests to asan/tests/CMakeLists.txt

llvm-svn: 175142

llvm-svn: 175140

llvm-svn: 175137

base-to-derived casts have undefined behavior if the object is not actually an
instance of the derived type. Runtime library part.

llvm-svn: 175079

[ASan] When re-executing the process on OS X, make sure we update the existing DYLD_INSERT_LIBRARIES correctly.
Previously ASan used to hang in an exec loop, because it failed to overwrite the env var value
(see https://code.google.com/p/address-sanitizer/issues/detail?id=159).

llvm-svn: 175059

better memory range access functions (put only 1 event to trace) (Go)

llvm-svn: 175056

llvm-svn: 175049

[msan] don't check shadow inside interceptors if we are inside symbolizer; add weak function __msan_default_options that overrides default options

llvm-svn: 175040

llvm-svn: 175037

llvm-svn: 175013

llvm-svn: 174971

llvm-svn: 174970

In __isoc99_*scanf we don't have to worry about GNUisms, and can parse
%a accurately.

Patch by Jakub Jelinek.

llvm-svn: 174969

llvm-svn: 174965

llvm-svn: 174962

llvm-svn: 174960

[asan] change the default mapping offset on x86_64 to 0x7fff8000. This gives roughly 5% speedup. Since this is an ABI change, bump the asan ABI version by renaming __asan_init to __asan_init_v1. compiler-rt part

llvm-svn: 174958

llvm-svn: 174956

llvm-svn: 174888

Respect REAL(scanf) return value and don't report memory stores that
could potentially happen, but did not.

llvm-svn: 174887

llvm-svn: 174883

Handle %a in cases when it is unambiguous.
Handle %m.

Patch by Jakub Jelinek.

llvm-svn: 174882

Build system setup for MSan lit tests (build with freshly-built clang, run,
check output) - a nearly exact copy from ASan.
First 2 lit tests for MSan.

llvm-svn: 174876

llvm-svn: 174875

llvm-svn: 174861

llvm-svn: 174710

llvm-svn: 174708

llvm-svn: 174707

llvm-svn: 174706

llvm-svn: 174705

This a rewrite of the scanf parser. The new implementation is pretty close to
the spec, with a few shortcuts taken here and there. It is conservative, i.e.
it gives up parsing if it does not understand some part of the format string,
or runs into an ambiguous % spec. It does not handle some rarely used parts of
the spec, like %n$ - for now.

I'm also moving parser call to after the original *scanf function completes,
so that we can find out the store size of %s directive by the use of strlen()
on the target buffer.

llvm-svn: 174704

llvm-svn: 174699

llvm-svn: 174635

See https://code.google.com/p/address-sanitizer/issues/detail?id=10 for the context.

llvm-svn: 174629

Enable AddressSanitizer.AllocDeallocMismatch tests.

llvm-svn: 174628

Also fix large_func_test.cc, which got broken when we switched to allocator2: the OOB access was too far from the original allocation, so ASan decided to describe the next one.

llvm-svn: 174626

this is required to catch close of file descriptors created in getaddrinfo()

llvm-svn: 174624

llvm-svn: 174622

llvm-svn: 174617