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Re: [Bug hurd/24110] SS_DISABLE never set in stack_t value returned by s


From: Svante Signell
Subject: Re: [Bug hurd/24110] SS_DISABLE never set in stack_t value returned by sigaltstack
Date: Sun, 03 Mar 2019 23:21:55 +0100
User-agent: Evolution 3.30.4-1

On Fri, 2019-03-01 at 07:04 -0800, Samuel Thibault wrote:
> Svante Signell, le lun. 25 févr. 2019 10:25:01 +0100, a ecrit:
> > Unfortunately, the situation has not improved with it :(
> > 
> > The SIGILL failures are now SIGABRT and SIGSEGV as they became with the
> > SS_DISABLE patch.
> 
> It however seems that the failures are different?
> (possibly with much more understandable backtraces)

No they are not from a global tests perspective. That requires further
investigations. I suspect the problems arise earlier in the backtrace chain. One
suspicion is the *context functions. Can they be called more than once without
problems? Unfortunately I don't know anything (have forgotten everything) about
assembly code...

Just a thought!





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