Merge tag 'ASB-2020-12-05_4.19-stable' of https://android.googlesource.com/kernel/common

https://source.android.com/security/bulletin/2020-12-01
CVE-2020-0444
CVE-2020-0465
CVE-2020-0466

* tag 'ASB-2020-12-05_4.19-stable': (636 commits)
  ANDROID: kbuild: use grep -F instead of fgrep
  ANDROID: GKI: usb: gadget: support claiming indexed endpoints by name
  UPSTREAM: arm64: sysreg: Clean up instructions for modifying PSTATE fields
  Revert "Revert "ANDROID: clang: update to 11.0.5""
  ANDROID: kbuild: speed up ksym_dep_filter
  Revert "drm/atomic_helper: Stop modesets on unregistered connectors harder"
  Linux 4.19.161
  USB: core: Fix regression in Hercules audio card
  x86/resctrl: Add necessary kernfs_put() calls to prevent refcount leak
  x86/resctrl: Remove superfluous kernfs_get() calls to prevent refcount leak
  x86/speculation: Fix prctl() when spectre_v2_user={seccomp,prctl},ibpb
  usb: gadget: Fix memleak in gadgetfs_fill_super
  USB: quirks: Add USB_QUIRK_DISCONNECT_SUSPEND quirk for Lenovo A630Z TIO built-in usb-audio card
  usb: gadget: f_midi: Fix memleak in f_midi_alloc
  USB: core: Change %pK for __user pointers to %px
  perf probe: Fix to die_entrypc() returns error correctly
  can: m_can: fix nominal bitiming tseg2 min for version >= 3.1
  platform/x86: toshiba_acpi: Fix the wrong variable assignment
  platform/x86: thinkpad_acpi: Send tablet mode switch at wakeup time
  can: gs_usb: fix endianess problem with candleLight firmware
  ...

Change-Id: I82ccfc3d6561d3ef3b1b06ac98d48fac997c8fb6

Conflicts:
	drivers/pinctrl/pinctrl-rockchip.c
	drivers/usb/dwc3/gadget.c
	drivers/usb/host/xhci.c
	drivers/usb/host/xhci.h

scripts/Kbuild.include

@@ -290,7 +290,7 @@ ksym_dep_filter =                                                            \
 	    $(CPP) $(call flags_nodeps,a_flags) -D__KSYM_DEPS__ $< ;;        \
 	  boot*|build*|cpp_its_S|*cpp_lds_S|dtc|host*|vdso*) : ;;            \
 	  *) echo "Don't know how to preprocess $(1)" >&2; false ;;          \
-	esac | tr ";" "\n" | sed -n 's/^.*=== __KSYM_\(.*\) ===.*$$/_\1/p'
+	esac | grep -F '=== __KSYM_' | tr ";" "\n" | sed -n 's/^.*=== __KSYM_\(.*\) ===.*$$/_\1/p'
 
 cmd_and_fixdep =                                                             \
 	$(echo-cmd) $(cmd_$(1));                                             \

scripts/clang-android.sh

@@ -1,4 +0,0 @@
-#!/bin/sh
-# SPDX-License-Identifier: GPL-2.0
-
-$* -dM -E - </dev/null 2>&1 | grep -q __ANDROID__ && echo "y"

scripts/setlocalversion

@@ -65,7 +65,7 @@ scm_version()
 
 	# Check for git and a git repo.
 	if test -z "$(git rev-parse --show-cdup 2>/dev/null)" &&
-	   head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
+	   head=$(git rev-parse --verify HEAD 2>/dev/null); then
 
 		if [ -n "$android_release" ] && [ -n "$kmi_generation" ]; then
 			printf '%s' "-$android_release-$kmi_generation"
@@ -83,11 +83,22 @@ scm_version()
 			fi
 			# If we are past a tagged commit (like
 			# "v2.6.30-rc5-302-g72357d5"), we pretty print it.
-			if atag="`git describe 2>/dev/null`"; then
-				echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
+			#
+			# Ensure the abbreviated sha1 has exactly 12
+			# hex characters, to make the output
+			# independent of git version, local
+			# core.abbrev settings and/or total number of
+			# objects in the current repository - passing
+			# --abbrev=12 ensures a minimum of 12, and the
+			# awk substr() then picks the 'g' and first 12
+			# hex chars.
+			if atag="$(git describe --abbrev=12 2>/dev/null)"; then
+				echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),substr($(NF),0,13))}'
 
-			# If we don't have a tag at all we print -g{commitish}.
+			# If we don't have a tag at all we print -g{commitish},
+			# again using exactly 12 hex chars.
 			else
+				head="$(echo $head | cut -c1-12)"
 				printf '%s%s' -g $head
 			fi
 		fi

scripts/tools-support-relr.sh

@@ -4,13 +4,13 @@
 tmp_file=$(mktemp)
 trap "rm -f $tmp_file.o $tmp_file $tmp_file.bin" EXIT
 
-cat << "END" | "$CC" -c -x c - -o $tmp_file.o >/dev/null 2>&1
+cat << "END" | $CC -c -x c - -o $tmp_file.o >/dev/null 2>&1
 void *p = &p;
 END
-"$LD" $tmp_file.o -shared -Bsymbolic --pack-dyn-relocs=relr -o $tmp_file
+$LD $tmp_file.o -shared -Bsymbolic --pack-dyn-relocs=relr -o $tmp_file
 
 # Despite printing an error message, GNU nm still exits with exit code 0 if it
 # sees a relr section. So we need to check that nothing is printed to stderr.
-test -z "$("$NM" $tmp_file 2>&1 >/dev/null)"
+test -z "$($NM $tmp_file 2>&1 >/dev/null)"
 
-"$OBJCOPY" -O binary $tmp_file $tmp_file.bin
+$OBJCOPY -O binary $tmp_file $tmp_file.bin