On 10/20/2017 07:44 PM, Kaleb S. KEITHLEY wrote:
On 10/20/2017 01:32 PM, Florian Weimer wrote:
----- Original Message -----
+ #if defined(_SC_IOV_MAX) /* IRIX, MacOS X, FreeBSD, Solaris, ... */
+- __svc_maxiov = sysconf(_SC_IOV_MAX);
++ {
++ /*
++ * some glibc (e.g. 2.26 in Fedora 27 beta) always
++ * return -1
++ */
++ int i = sysconf(_SC_IOV_MAX);
++ if (i != -1 && i > __svc_maxiov)
++ __svc_maxiov = i;
++ }
+ #endif
+ return true;
+ }
Uh-oh, is this really necessary?
You said it'd be a while before fixed packages make it into Fedora 27.
Yes, there's currently a freeze for the release. For a non-critpath
package it might be easier to get the fix out, but I expect that
libntirpc will face the same hurdles, which is why I was surprised that
you were so eager to patch it.
Without this we're dead in the water.
Sorry, this wasn't clear to me. I pushed fixed packages to
updates-testing, but I assume they are going to be stuck there for a
while (and we have to respin again for yet another glob security fix).
That aside, I don't understand what the concern is. This is merely
defensive and largely or effectively a no-op.
I strive to fix bugs, rather than papering over them. I hope you can
drop the patch again soon. It's clearly a glibc bug.
Thanks,
Florian
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