[llvm-bugs] [Bug 34999] New: libFuzzer: fuzz executable does not respect SIGPIPE
llvm-bugs at lists.llvm.org
Thu Oct 19 03:36:24 PDT 2017
Bug ID: 34999
Summary: libFuzzer: fuzz executable does not respect SIGPIPE
Assignee: unassignedbugs at nondot.org
Reporter: Sanne.Wouda at arm.com
CC: llvm-bugs at lists.llvm.org
I'm seeing the following behaviour on HEAD.
In bash, I run the following command:
./fuzz_target 2>&1 | less
As I understand it, when I quit less, bash sends SIGPIPE to fuzz_target. I'd
expect fuzz_target to exit() in response since its output pipe is broken.
However, fuzz_target keeps running (no output though, because the pipe is
./fuzz_target is compiled by linking fuzz_target.o (which defines
LLVMFuzzerTestOneInput) with a statically linked libFuzzer.a .
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