https://llvm.org/bugs/show_bug.cgi?id=25799
Bug ID: 25799
Summary: setuid(0) hangs on power BE with tsan
Product: compiler-rt
Version: unspecified
Hardware: Other
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: compiler-rt
Assignee: unassignedb...@nondot.org
Reporter: seu...@linux.vnet.ibm.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
The test cases projects/compiler-rt/test/tsan/setuid.c and
projects/compiler-rt/test/tsan/setuid2.c hang when run on power big endian. It
works fine on little endian. Note that tsan was just recently activated for
power. To duplicate the failure just run make check-all on a power big endian
machine.
>From the comment in setuid.c it looks like this is something that has happened
before.
// Setuid call used to hang because the background tsan thread did not handle
// SIGSETXID signal. Note that we don't care whether setuid call succeeds
// or not.
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