Re: [PATCH] fuzz: don't leave orphan llvm-symbolizers around

2021-03-10 Thread Darren Kenny
On Wednesday, 2021-03-10 at 01:12:36 -05, Alexander Bulekov wrote: > I noticed that with a sufficiently small timeout, the fuzzer fork-server > sometimes locks up. On closer inspection, the issue appeared to be > caused by entering our SIGALRM handler, while libfuzzer is in it's crash > handlers. B

Re: [PATCH] fuzz: don't leave orphan llvm-symbolizers around

2021-03-09 Thread Thomas Huth
On 10/03/2021 07.12, Alexander Bulekov wrote: I noticed that with a sufficiently small timeout, the fuzzer fork-server sometimes locks up. On closer inspection, the issue appeared to be caused by entering our SIGALRM handler, while libfuzzer is in it's crash handlers. Because libfuzzer relies on

[PATCH] fuzz: don't leave orphan llvm-symbolizers around

2021-03-09 Thread Alexander Bulekov
I noticed that with a sufficiently small timeout, the fuzzer fork-server sometimes locks up. On closer inspection, the issue appeared to be caused by entering our SIGALRM handler, while libfuzzer is in it's crash handlers. Because libfuzzer relies on pipe communication with an external child proces