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[msan] Relaex lit check in wcsncpy.cc
ClosedPublic

Authored by ioeric on Mar 15 2017, 4:33 AM.

Reviewers

eugenis
bkramer

Commits

Summary

The CHECK failed when the name is __interceptor_wcsncpy

Build Status

Buildable 4785
Build 4785: arc lint + arc unit

This revision is now accepted and ready to land.Mar 15 2017, 5:22 AM

This revision was automatically updated to reflect the committed changes.

thanks!

Path

Size

test/

msan/

2 lines

Show All 24 Lines	int main() {
assert(wcsncpy(s4, s2, 3) == s4);		assert(wcsncpy(s4, s2, 3) == s4);
__msan_check_mem_is_initialized(&s4, sizeof(s4));		__msan_check_mem_is_initialized(&s4, sizeof(s4));
}		}
// CHECK: Uninitialized bytes in __msan_check_mem_is_initialized		// CHECK: Uninitialized bytes in __msan_check_mem_is_initialized
// CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value		// CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value
// CHECK: in main {{.*}}wcsncpy.cc:26		// CHECK: in main {{.*}}wcsncpy.cc:26

// CHECK: Uninitialized value was stored to memory at		// CHECK: Uninitialized value was stored to memory at
// CHECK: in wcsncpy		// CHECK: in {{[^\s]*}}wcsncpy
// CHECK: in main {{.*}}wcsncpy.cc:25		// CHECK: in main {{.*}}wcsncpy.cc:25

// CHECK: Memory was marked as uninitialized		// CHECK: Memory was marked as uninitialized
// CHECK: in __msan_allocated_memory		// CHECK: in __msan_allocated_memory
// CHECK: in main {{.*}}wcsncpy.cc:23		// CHECK: in main {{.*}}wcsncpy.cc:23