[llvm-bugs] [Bug 25799] New: setuid(0) hangs on power BE with tsan
llvm-bugs at lists.llvm.org
Thu Dec 10 11:57:41 PST 2015
Bug ID: 25799
Summary: setuid(0) hangs on power BE with tsan
Assignee: unassignedbugs at nondot.org
Reporter: seurer at linux.vnet.ibm.com
CC: llvm-bugs at lists.llvm.org
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
>From the comment in setuid.c it looks like this is something that has happened
// 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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