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[Bug network/13500] __cmsg_nxthdr in cmsg_nxthdr.c (CMSG_NXTHDR) has undefined behavior when setting up ancillary data
- From: "250716887 at qq dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Wed, 07 Dec 2016 11:03:33 +0000
- Subject: [Bug network/13500] __cmsg_nxthdr in cmsg_nxthdr.c (CMSG_NXTHDR) has undefined behavior when setting up ancillary data
- Auto-submitted: auto-generated
- References: <bug-13500-131@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=13500
phperl <250716887 at qq dot com> changed:
What |Removed |Added
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CC| |250716887 at qq dot com
--- Comment #4 from phperl <250716887 at qq dot com> ---
use NEED_A_WORKAROUND_FOR_BUG_13500 to zero buf, will make length check
useless, even to introduce security bugs.
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