Revision 4c3de7e5bfbeb0ac1f702d1903ef69ad3a7f590c authored by Linus Torvalds on 25 March 2017, 22:13:55 UTC, committed by Linus Torvalds on 25 March 2017, 22:13:55 UTC
Pull audit fix from Paul Moore: "We've got an audit fix, and unfortunately it is big. While I'm not excited that we need to be sending you something this large during the -rcX phase, it does fix some very real, and very tangled, problems relating to locking, backlog queues, and the audit daemon connection. This code has passed our testsuite without problem and it has held up to my ad-hoc stress tests (arguably better than the existing code), please consider pulling this as fix for the next v4.11-rcX tag" * 'stable-4.11' of git://git.infradead.org/users/pcmoore/audit: audit: fix auditd/kernel connection state tracking
adjust_autoksyms.sh
#!/bin/sh
# Script to create/update include/generated/autoksyms.h and dependency files
#
# Copyright: (C) 2016 Linaro Limited
# Created by: Nicolas Pitre, January 2016
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
# Create/update the include/generated/autoksyms.h file from the list
# of all module's needed symbols as recorded on the third line of
# .tmp_versions/*.mod files.
#
# For each symbol being added or removed, the corresponding dependency
# file's timestamp is updated to force a rebuild of the affected source
# file. All arguments passed to this script are assumed to be a command
# to be exec'd to trigger a rebuild of those files.
set -e
cur_ksyms_file="include/generated/autoksyms.h"
new_ksyms_file="include/generated/autoksyms.h.tmpnew"
info() {
if [ "$quiet" != "silent_" ]; then
printf " %-7s %s\n" "$1" "$2"
fi
}
info "CHK" "$cur_ksyms_file"
# Use "make V=1" to debug this script.
case "$KBUILD_VERBOSE" in
*1*)
set -x
;;
esac
# We need access to CONFIG_ symbols
case "${KCONFIG_CONFIG}" in
*/*)
. "${KCONFIG_CONFIG}"
;;
*)
# Force using a file from the current directory
. "./${KCONFIG_CONFIG}"
esac
# In case it doesn't exist yet...
if [ -e "$cur_ksyms_file" ]; then touch "$cur_ksyms_file"; fi
# Generate a new ksym list file with symbols needed by the current
# set of modules.
cat > "$new_ksyms_file" << EOT
/*
* Automatically generated file; DO NOT EDIT.
*/
EOT
[ "$(ls -A "$MODVERDIR")" ] &&
sed -ns -e '3{s/ /\n/g;/^$/!p;}' "$MODVERDIR"/*.mod | sort -u |
while read sym; do
if [ -n "$CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX" ]; then
sym="${sym#_}"
fi
echo "#define __KSYM_${sym} 1"
done >> "$new_ksyms_file"
# Special case for modversions (see modpost.c)
if [ -n "$CONFIG_MODVERSIONS" ]; then
echo "#define __KSYM_module_layout 1" >> "$new_ksyms_file"
fi
# Extract changes between old and new list and touch corresponding
# dependency files.
changed=$(
count=0
sort "$cur_ksyms_file" "$new_ksyms_file" | uniq -u |
sed -n 's/^#define __KSYM_\(.*\) 1/\1/p' | tr "A-Z_" "a-z/" |
while read sympath; do
if [ -z "$sympath" ]; then continue; fi
depfile="include/config/ksym/${sympath}.h"
mkdir -p "$(dirname "$depfile")"
touch "$depfile"
echo $((count += 1))
done | tail -1 )
changed=${changed:-0}
if [ $changed -gt 0 ]; then
# Replace the old list with tne new one
old=$(grep -c "^#define __KSYM_" "$cur_ksyms_file" || true)
new=$(grep -c "^#define __KSYM_" "$new_ksyms_file" || true)
info "KSYMS" "symbols: before=$old, after=$new, changed=$changed"
info "UPD" "$cur_ksyms_file"
mv -f "$new_ksyms_file" "$cur_ksyms_file"
# Then trigger a rebuild of affected source files
exec $@
else
rm -f "$new_ksyms_file"
fi
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