[llvm-bugs] [Bug 48961] New: AddressSanitizer-x86_64-linux :: TestCases/strcmp.c is flaky on amd64

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=48961

            Bug ID: 48961
           Summary: AddressSanitizer-x86_64-linux :: TestCases/strcmp.c is
                    flaky on amd64
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: mgorny at gentoo.org
                CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org
            Blocks: 48902

Created attachment 24467
  --> https://bugs.llvm.org/attachment.cgi?id=24467&action=edit
asan.txt

Failed in 1 out of 3 test runs:

FAIL: AddressSanitizer-x86_64-linux :: TestCases/strcmp.c (2235 of 7337)


/var/tmp/portage/sys-libs/compiler-rt-sanitizers-12.0.0_rc1/work/compiler-rt/test/asan/TestCases/strcmp.c:17:12:
error: CHECK: expected string not found in input
 // CHECK: READ of size 1
           ^
<stdin>:2:70: note: scanning from here
==157813==ERROR: AddressSanitizer: stack-buffer-underflow on address
0x7ffe4c7102bf at pc 0x00000042ef69 bp 0x7ffe4c710290 sp 0x7ffe4c70fa38
                                                                     ^
<stdin>:3:1: note: possible intended match here
READ of size 2 at 0x7ffe4c7102bf thread T0
^


Full output attached.


Referenced Bugs:

https://bugs.llvm.org/show_bug.cgi?id=48902
[Bug 48902] [meta] 12.0.0 Release Blockers
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