[Bug libc/25246] Unaligned memory access in _dl_sort_maps()
fweimer at redhat dot com
sourceware-bugzilla@sourceware.org
Tue Dec 3 16:48:00 GMT 2019
https://sourceware.org/bugzilla/show_bug.cgi?id=25246
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |fweimer at redhat dot com
Resolution|--- |INVALID
Flags| |security-
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Yes, unaligned loads are pretty efficient on x86 nowadays, and a lot of code
makes use of them. There is even a GCC optimization which turns 4 byte loads
into an int load, irrespective of alignment.
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