sockbuf: Add KMSAN checks to sbappend*()

Otherwise KMSAN only detects uninitialized memory when the contents of
the buffer are copied out to userspace or transmitted to a network
interface.  At that point the KMSAN violation will be far removed from
its origin, so let's try to make debugging such problems a bit easier.

Reviewed by:	glebius
MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D38101

0 files changed, 0 insertions, 0 deletions