tree ddc9f888d163c4378b06d58e673586882d99f717
parent 1ae32ffaa60e07410e8accdc0af3b31feaa74e3a
author commit-queue@webkit.org <commit-queue@webkit.org@268f45cc-cd09-0410-ab3c-d52691b4dbfc> 1585213313 +0000
committer commit-queue@webkit.org <commit-queue@webkit.org@268f45cc-cd09-0410-ab3c-d52691b4dbfc> 1585213313 +0000

Syscall param sendmsg(msg.msg_iov[0]) points to uninitialised byte(s) in IPC::Connection::sendOutgoingMessage
https://bugs.webkit.org/show_bug.cgi?id=146729

Patch by Michael Catanzaro <mcatanzaro@gnome.org> on 2020-03-26
Reviewed by Carlos Garcia Campos.

The entire MessageInfo is passed to write(), so we have to zero the padding bytes to avoid
writing uninitialized memory.

* Platform/IPC/unix/UnixMessage.h:
(IPC::MessageInfo::MessageInfo):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@259037 268f45cc-cd09-0410-ab3c-d52691b4dbfc