Messages in this thread | | | Subject | Re: [PATCH] bogus sigaltstack calls by rt_sigreturn | From | Andi Kleen <> | Date | Sun, 23 May 2004 14:29:24 +0200 |
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Roland McGrath <roland@redhat.com> writes:
> There is a longstanding bug in the rt_sigreturn system call. > This exists in both 2.4 and 2.6, and for almost every platform.
I don't think the patch is really needed on x86-64 because the kernel address should always return -EFAULT in access_ok().
Too bad, there are definitely some mysterious 32bit signal failures left, e.g. newer valgrind still doesn't work reliable.
-Andi
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