Stack must be at least readable and writable.
PR: 242570
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Did you looked at where the reported 'hang' occur? I suspect the actual bug is elsewere. I would expect that copyout_strings() would just error out, could we leak the vnode lock?
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I admit I did not look further and have not created a binary with corrupted PT_GNU_STACK [also asked the original submitter in PR, but got no response], but I will try to take a look either before committing this or with it reverted.
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I will try to take a look either before committing this or with it reverted.
I did not get a chance to do it yet, will eventually try reverting it and continuing to investigate.