4.19-stable patches

4.19-stable patches

added patches:
	6pack-mkiss-fix-possible-deadlock.patch
	filldir-remove-warn_on_once-for-bad-directory-entries.patch
	hrtimer-annotate-lockless-access-to-timer-state.patch
	inetpeer-fix-data-race-in-inet_putpeer-inet_putpeer.patch
	make-filldir-verify-the-directory-entry-filename-is-valid.patch
	net-add-a-read_once-in-skb_peek_tail.patch
	net-icmp-fix-data-race-in-cmp_global_allow.patch
	netfilter-bridge-make-sure-to-pull-arp-header-in-br_nf_forward_arp.patch
	netfilter-ebtables-compat-reject-all-padding-in-matches-watchers.patch
	pci-switchtec-read-all-64-bits-of-part_event_bitmap.patch
	perf-strbuf-remove-redundant-va_end-in-strbuf_addv.patch
	shmem-pin-the-file-in-shmem_fault-if-mmap_sem-is-dropped.patch