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Checking for benign exceptions that trigger a minidump.

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If the exception reponsible for the crash is benign, such as a floating point
exception, we can rule out the possibility that the code is exploitable. This
CL checks for such exceptions and marks the dump as not exploitable if such an
exception is found.

R=ivanpe@chromium.org

Review URL: https://codereview.chromium.org/1212383004

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1467 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
Liu.andrew.x@gmail.com
2015-06-30 20:34:39 +00:00
parent a3f0a28b69
commit ca21e62ecf
3 changed files with 62 additions and 3 deletions
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4
src/processor/exploitability_unittest.cc
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@@ -107,7 +107,7 @@ TEST(ExploitabilityTest, TestWindowsEngine) {
}
TEST(ExploitabilityTest, TestLinuxEngine) {
ASSERT_EQ(google_breakpad::EXPLOITABILITY_NONE,
ASSERT_EQ(google_breakpad::EXPLOITABILITY_INTERESTING,
ExploitabilityFor("linux_null_read_av.dmp"));
ASSERT_EQ(google_breakpad::EXPLOITABILITY_HIGH,
ExploitabilityFor("linux_overflow.dmp"));
@@ -115,7 +115,7 @@ TEST(ExploitabilityTest, TestLinuxEngine) {
ExploitabilityFor("linux_stacksmash.dmp"));
ASSERT_EQ(google_breakpad::EXPLOITABILITY_NONE,
ExploitabilityFor("linux_divide_by_zero.dmp"));
ASSERT_EQ(google_breakpad::EXPLOITABILITY_NONE,
ASSERT_EQ(google_breakpad::EXPLOITABILITY_INTERESTING,
ExploitabilityFor("linux_null_dereference.dmp"));
ASSERT_EQ(google_breakpad::EXPLOITABILITY_HIGH,
ExploitabilityFor("linux_jmp_to_0.dmp"));