0aed2a4133
When run with stdin == /dev/null and stdout/stderr == pipe (i.e., as os/exec.Command.CombinedOutput), GDB suffers from a bug (https://sourceware.org/bugzilla/show_bug.cgi?id=26056) that causes SIGSEGV when sent a SIGWINCH signal. Package runtime tests TestEINTR and TestSignalDuringExec both send SIGWINCH signals to the entire process group, thus including GDB if one of the GDB tests is running in parallel. TestEINTR only intends its signals for the current process, so it is changed to do so. TestSignalDuringExec, really does want its signals to go to children. However, it does not call t.Parallel(), so it won't run at the same time as GDB tests. This is a simple fix, but GDB is vulnerable, so we must be careful not to add new parallel tests that send SIGWINCH to the entire process group. Fixes #39021 Change-Id: I803606fb000f08c65c1b10ec554d4ef6819e5dd5 Reviewed-on: https://go-review.googlesource.com/c/go/+/235557 Run-TryBot: Michael Pratt <mpratt@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org> Reviewed-by: Cherry Zhang <cherryyz@google.com> Reviewed-by: Bryan C. Mills <bcmills@google.com> |
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The Go Programming Language
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