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-rw-r--r--scripts/Makefile.gcc-plugins2
-rw-r--r--scripts/Makefile.kasan7
-rwxr-xr-xscripts/atomic/atomic-tbl.sh186
-rwxr-xr-xscripts/atomic/atomics.tbl41
-rwxr-xr-xscripts/atomic/check-atomics.sh33
-rwxr-xr-xscripts/atomic/fallbacks/acquire9
-rwxr-xr-xscripts/atomic/fallbacks/add_negative16
-rwxr-xr-xscripts/atomic/fallbacks/add_unless16
-rwxr-xr-xscripts/atomic/fallbacks/andnot7
-rwxr-xr-xscripts/atomic/fallbacks/dec7
-rwxr-xr-xscripts/atomic/fallbacks/dec_and_test15
-rwxr-xr-xscripts/atomic/fallbacks/dec_if_positive15
-rwxr-xr-xscripts/atomic/fallbacks/dec_unless_positive14
-rwxr-xr-xscripts/atomic/fallbacks/fence11
-rwxr-xr-xscripts/atomic/fallbacks/fetch_add_unless23
-rwxr-xr-xscripts/atomic/fallbacks/inc7
-rwxr-xr-xscripts/atomic/fallbacks/inc_and_test15
-rwxr-xr-xscripts/atomic/fallbacks/inc_not_zero14
-rwxr-xr-xscripts/atomic/fallbacks/inc_unless_negative14
-rwxr-xr-xscripts/atomic/fallbacks/read_acquire7
-rwxr-xr-xscripts/atomic/fallbacks/release8
-rwxr-xr-xscripts/atomic/fallbacks/set_release7
-rwxr-xr-xscripts/atomic/fallbacks/sub_and_test16
-rwxr-xr-xscripts/atomic/fallbacks/try_cmpxchg11
-rwxr-xr-xscripts/atomic/gen-atomic-fallback.sh181
-rwxr-xr-xscripts/atomic/gen-atomic-instrumented.sh182
-rwxr-xr-xscripts/atomic/gen-atomic-long.sh101
-rw-r--r--scripts/atomic/gen-atomics.sh20
-rwxr-xr-xscripts/checkpatch.pl51
-rwxr-xr-xscripts/checksyscalls.sh53
-rwxr-xr-xscripts/decode_stacktrace.sh9
-rwxr-xr-xscripts/dtc/dtx_diff13
-rw-r--r--scripts/gcc-plugins/Kconfig62
-rw-r--r--scripts/gcc-plugins/structleak_plugin.c36
-rw-r--r--scripts/gdb/linux/constants.py.in12
-rw-r--r--scripts/gdb/linux/proc.py12
-rw-r--r--scripts/kallsyms.c4
-rwxr-xr-xscripts/kernel-doc2
-rwxr-xr-xscripts/leaking_addresses.pl9
-rw-r--r--scripts/mod/devicetable-offsets.c6
-rw-r--r--scripts/mod/file2alias.c47
-rwxr-xr-xscripts/spdxcheck.py8
-rw-r--r--scripts/spelling.txt69
-rwxr-xr-xscripts/ver_linux6
44 files changed, 1306 insertions, 78 deletions
diff --git a/scripts/Makefile.gcc-plugins b/scripts/Makefile.gcc-plugins
index 35042d96cf5d..5f7df50cfe7a 100644
--- a/scripts/Makefile.gcc-plugins
+++ b/scripts/Makefile.gcc-plugins
@@ -15,6 +15,8 @@ gcc-plugin-$(CONFIG_GCC_PLUGIN_SANCOV) += sancov_plugin.so
gcc-plugin-$(CONFIG_GCC_PLUGIN_STRUCTLEAK) += structleak_plugin.so
gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK_VERBOSE) \
+= -fplugin-arg-structleak_plugin-verbose
+gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF) \
+ += -fplugin-arg-structleak_plugin-byref
gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL) \
+= -fplugin-arg-structleak_plugin-byref-all
gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK) \
diff --git a/scripts/Makefile.kasan b/scripts/Makefile.kasan
index 25c259df8ffa..6410bd22fe38 100644
--- a/scripts/Makefile.kasan
+++ b/scripts/Makefile.kasan
@@ -26,15 +26,10 @@ else
CFLAGS_KASAN := $(CFLAGS_KASAN_SHADOW) \
$(call cc-param,asan-globals=1) \
$(call cc-param,asan-instrumentation-with-call-threshold=$(call_threshold)) \
- $(call cc-param,asan-stack=1) \
- $(call cc-param,asan-use-after-scope=1) \
+ $(call cc-param,asan-stack=$(CONFIG_KASAN_STACK)) \
$(call cc-param,asan-instrument-allocas=1)
endif
-ifdef CONFIG_KASAN_EXTRA
-CFLAGS_KASAN += $(call cc-option, -fsanitize-address-use-after-scope)
-endif
-
endif # CONFIG_KASAN_GENERIC
ifdef CONFIG_KASAN_SW_TAGS
diff --git a/scripts/atomic/atomic-tbl.sh b/scripts/atomic/atomic-tbl.sh
new file mode 100755
index 000000000000..81d5c32039dd
--- /dev/null
+++ b/scripts/atomic/atomic-tbl.sh
@@ -0,0 +1,186 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# helpers for dealing with atomics.tbl
+
+#meta_in(meta, match)
+meta_in()
+{
+ case "$1" in
+ [$2]) return 0;;
+ esac
+
+ return 1
+}
+
+#meta_has_ret(meta)
+meta_has_ret()
+{
+ meta_in "$1" "bBiIfFlR"
+}
+
+#meta_has_acquire(meta)
+meta_has_acquire()
+{
+ meta_in "$1" "BFIlR"
+}
+
+#meta_has_release(meta)
+meta_has_release()
+{
+ meta_in "$1" "BFIRs"
+}
+
+#meta_has_relaxed(meta)
+meta_has_relaxed()
+{
+ meta_in "$1" "BFIR"
+}
+
+#find_fallback_template(pfx, name, sfx, order)
+find_fallback_template()
+{
+ local pfx="$1"; shift
+ local name="$1"; shift
+ local sfx="$1"; shift
+ local order="$1"; shift
+
+ local base=""
+ local file=""
+
+ # We may have fallbacks for a specific case (e.g. read_acquire()), or
+ # an entire class, e.g. *inc*().
+ #
+ # Start at the most specific, and fall back to the most general. Once
+ # we find a specific fallback, don't bother looking for more.
+ for base in "${pfx}${name}${sfx}${order}" "${name}"; do
+ file="${ATOMICDIR}/fallbacks/${base}"
+
+ if [ -f "${file}" ]; then
+ printf "${file}"
+ break
+ fi
+ done
+}
+
+#gen_ret_type(meta, int)
+gen_ret_type() {
+ local meta="$1"; shift
+ local int="$1"; shift
+
+ case "${meta}" in
+ [sv]) printf "void";;
+ [bB]) printf "bool";;
+ [aiIfFlR]) printf "${int}";;
+ esac
+}
+
+#gen_ret_stmt(meta)
+gen_ret_stmt()
+{
+ if meta_has_ret "${meta}"; then
+ printf "return ";
+ fi
+}
+
+# gen_param_name(arg)
+gen_param_name()
+{
+ # strip off the leading 'c' for 'cv'
+ local name="${1#c}"
+ printf "${name#*:}"
+}
+
+# gen_param_type(arg, int, atomic)
+gen_param_type()
+{
+ local type="${1%%:*}"; shift
+ local int="$1"; shift
+ local atomic="$1"; shift
+
+ case "${type}" in
+ i) type="${int} ";;
+ p) type="${int} *";;
+ v) type="${atomic}_t *";;
+ cv) type="const ${atomic}_t *";;
+ esac
+
+ printf "${type}"
+}
+
+#gen_param(arg, int, atomic)
+gen_param()
+{
+ local arg="$1"; shift
+ local int="$1"; shift
+ local atomic="$1"; shift
+ local name="$(gen_param_name "${arg}")"
+ local type="$(gen_param_type "${arg}" "${int}" "${atomic}")"
+
+ printf "${type}${name}"
+}
+
+#gen_params(int, atomic, arg...)
+gen_params()
+{
+ local int="$1"; shift
+ local atomic="$1"; shift
+
+ while [ "$#" -gt 0 ]; do
+ gen_param "$1" "${int}" "${atomic}"
+ [ "$#" -gt 1 ] && printf ", "
+ shift;
+ done
+}
+
+#gen_args(arg...)
+gen_args()
+{
+ while [ "$#" -gt 0 ]; do
+ printf "$(gen_param_name "$1")"
+ [ "$#" -gt 1 ] && printf ", "
+ shift;
+ done
+}
+
+#gen_proto_order_variants(meta, pfx, name, sfx, ...)
+gen_proto_order_variants()
+{
+ local meta="$1"; shift
+ local pfx="$1"; shift
+ local name="$1"; shift
+ local sfx="$1"; shift
+
+ gen_proto_order_variant "${meta}" "${pfx}" "${name}" "${sfx}" "" "$@"
+
+ if meta_has_acquire "${meta}"; then
+ gen_proto_order_variant "${meta}" "${pfx}" "${name}" "${sfx}" "_acquire" "$@"
+ fi
+ if meta_has_release "${meta}"; then
+ gen_proto_order_variant "${meta}" "${pfx}" "${name}" "${sfx}" "_release" "$@"
+ fi
+ if meta_has_relaxed "${meta}"; then
+ gen_proto_order_variant "${meta}" "${pfx}" "${name}" "${sfx}" "_relaxed" "$@"
+ fi
+}
+
+#gen_proto_variants(meta, name, ...)
+gen_proto_variants()
+{
+ local meta="$1"; shift
+ local name="$1"; shift
+ local pfx=""
+ local sfx=""
+
+ meta_in "${meta}" "fF" && pfx="fetch_"
+ meta_in "${meta}" "R" && sfx="_return"
+
+ gen_proto_order_variants "${meta}" "${pfx}" "${name}" "${sfx}" "$@"
+}
+
+#gen_proto(meta, ...)
+gen_proto() {
+ local meta="$1"; shift
+ for m in $(echo "${meta}" | grep -o .); do
+ gen_proto_variants "${m}" "$@"
+ done
+}
diff --git a/scripts/atomic/atomics.tbl b/scripts/atomic/atomics.tbl
new file mode 100755
index 000000000000..fbee2f6190d9
--- /dev/null
+++ b/scripts/atomic/atomics.tbl
@@ -0,0 +1,41 @@
+# name meta args...
+#
+# Where meta contains a string of variants to generate.
+# Upper-case implies _{acquire,release,relaxed} variants.
+# Valid meta values are:
+# * B/b - bool: returns bool
+# * v - void: returns void
+# * I/i - int: returns base type
+# * R - return: returns base type (has _return variants)
+# * F/f - fetch: returns base type (has fetch_ variants)
+# * l - load: returns base type (has _acquire order variant)
+# * s - store: returns void (has _release order variant)
+#
+# Where args contains list of type[:name], where type is:
+# * cv - const pointer to atomic base type (atomic_t/atomic64_t/atomic_long_t)
+# * v - pointer to atomic base type (atomic_t/atomic64_t/atomic_long_t)
+# * i - base type (int/s64/long)
+# * p - pointer to base type (int/s64/long)
+#
+read l cv
+set s v i
+add vRF i v
+sub vRF i v
+inc vRF v
+dec vRF v
+and vF i v
+andnot vF i v
+or vF i v
+xor vF i v
+xchg I v i
+cmpxchg I v i:old i:new
+try_cmpxchg B v p:old i:new
+sub_and_test b i v
+dec_and_test b v
+inc_and_test b v
+add_negative b i v
+add_unless fb v i:a i:u
+inc_not_zero b v
+inc_unless_negative b v
+dec_unless_positive b v
+dec_if_positive i v
diff --git a/scripts/atomic/check-atomics.sh b/scripts/atomic/check-atomics.sh
new file mode 100755
index 000000000000..cfa0c2f71c84
--- /dev/null
+++ b/scripts/atomic/check-atomics.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+#
+# Check if atomic headers are up-to-date
+
+ATOMICDIR=$(dirname $0)
+ATOMICTBL=${ATOMICDIR}/atomics.tbl
+LINUXDIR=${ATOMICDIR}/../..
+
+echo '' | sha1sum - > /dev/null 2>&1
+if [ $? -ne 0 ]; then
+ printf "sha1sum not available, skipping atomic header checks.\n"
+ exit 0
+fi
+
+cat <<EOF |
+asm-generic/atomic-instrumented.h
+asm-generic/atomic-long.h
+linux/atomic-fallback.h
+EOF
+while read header; do
+ OLDSUM="$(tail -n 1 ${LINUXDIR}/include/${header})"
+ OLDSUM="${OLDSUM#// }"
+
+ NEWSUM="$(head -n -1 ${LINUXDIR}/include/${header} | sha1sum)"
+ NEWSUM="${NEWSUM%% *}"
+
+ if [ "${OLDSUM}" != "${NEWSUM}" ]; then
+ printf "warning: generated include/${header} has been modified.\n"
+ fi
+done
+
+exit 0
diff --git a/scripts/atomic/fallbacks/acquire b/scripts/atomic/fallbacks/acquire
new file mode 100755
index 000000000000..e38871e64db6
--- /dev/null
+++ b/scripts/atomic/fallbacks/acquire
@@ -0,0 +1,9 @@
+cat <<EOF
+static inline ${ret}
+${atomic}_${pfx}${name}${sfx}_acquire(${params})
+{
+ ${ret} ret = ${atomic}_${pfx}${name}${sfx}_relaxed(${args});
+ __atomic_acquire_fence();
+ return ret;
+}
+EOF
diff --git a/scripts/atomic/fallbacks/add_negative b/scripts/atomic/fallbacks/add_negative
new file mode 100755
index 000000000000..e6f4815637de
--- /dev/null
+++ b/scripts/atomic/fallbacks/add_negative
@@ -0,0 +1,16 @@
+cat <<EOF
+/**
+ * ${atomic}_add_negative - add and test if negative
+ * @i: integer value to add
+ * @v: pointer of type ${atomic}_t
+ *
+ * Atomically adds @i to @v and returns true
+ * if the result is negative, or false when
+ * result is greater than or equal to zero.
+ */
+static inline bool
+${atomic}_add_negative(${int} i, ${atomic}_t *v)
+{
+ return ${atomic}_add_return(i, v) < 0;
+}
+EOF
diff --git a/scripts/atomic/fallbacks/add_unless b/scripts/atomic/fallbacks/add_unless
new file mode 100755
index 000000000000..792533885fbf
--- /dev/null
+++ b/scripts/atomic/fallbacks/add_unless
@@ -0,0 +1,16 @@
+cat << EOF
+/**
+ * ${atomic}_add_unless - add unless the number is already a given value
+ * @v: pointer of type ${atomic}_t
+ * @a: the amount to add to v...
+ * @u: ...unless v is equal to u.
+ *
+ * Atomically adds @a to @v, if @v was not already @u.
+ * Returns true if the addition was done.
+ */
+static inline bool
+${atomic}_add_unless(${atomic}_t *v, ${int} a, ${int} u)
+{
+ return ${atomic}_fetch_add_unless(v, a, u) != u;
+}
+EOF
diff --git a/scripts/atomic/fallbacks/andnot b/scripts/atomic/fallbacks/andnot
new file mode 100755
index 000000000000..9f3a3216b5e3
--- /dev/null
+++ b/scripts/atomic/fallbacks/andnot
@@ -0,0 +1,7 @@
+cat <<EOF
+static inline ${ret}
+${atomic}_${pfx}andnot${sfx}${order}(${int} i, ${atomic}_t *v)
+{
+ ${retstmt}${atomic}_${pfx}and${sfx}${order}(~i, v);
+}
+EOF
diff --git a/scripts/atomic/fallbacks/dec b/scripts/atomic/fallbacks/dec
new file mode 100755
index 000000000000..10bbc82be31d
--- /dev/null
+++ b/scripts/atomic/fallbacks/dec
@@ -0,0 +1,7 @@
+cat <<EOF
+static inline ${ret}
+${atomic}_${pfx}dec${sfx}${order}(${atomic}_t *v)
+{
+ ${retstmt}${atomic}_${pfx}sub${sfx}${order}(1, v);
+}
+EOF
diff --git a/scripts/atomic/fallbacks/dec_and_test b/scripts/atomic/fallbacks/dec_and_test
new file mode 100755
index 000000000000..0ce7103b3df2
--- /dev/null
+++ b/scripts/atomic/fallbacks/dec_and_test
@@ -0,0 +1,15 @@
+cat <<EOF
+/**
+ * ${atomic}_dec_and_test - decrement and test
+ * @v: pointer of type ${atomic}_t
+ *
+ * Atomically decrements @v by 1 and
+ * returns true if the result is 0, or false for all other
+ * cases.
+ */
+static inline bool
+${atomic}_dec_and_test(${atomic}_t *v)
+{
+ return ${atomic}_dec_return(v) == 0;
+}
+EOF
diff --git a/scripts/atomic/fallbacks/dec_if_positive b/scripts/atomic/fallbacks/dec_if_positive
new file mode 100755
index 000000000000..c52eacec43c8
--- /dev/null
+++ b/scripts/atomic/fallbacks/dec_if_positive
@@ -0,0 +1,15 @@
+cat <<EOF
+static inline ${ret}
+${atomic}_dec_if_positive(${atomic}_t *v)
+{
+ ${int} dec, c = ${atomic}_read(v);
+
+ do {
+ dec = c - 1;
+ if (unlikely(dec < 0))
+ break;
+ } while (!${atomic}_try_cmpxchg(v, &c, dec));
+
+ return dec;
+}
+EOF
diff --git a/scripts/atomic/fallbacks/dec_unless_positive b/scripts/atomic/fallbacks/dec_unless_positive
new file mode 100755
index 000000000000..8a2578f14268
--- /dev/null
+++ b/scripts/atomic/fallbacks/dec_unless_positive
@@ -0,0 +1,14 @@
+cat <<EOF
+static inline bool
+${atomic}_dec_unless_positive(${atomic}_t *v)
+{
+ ${int} c = ${atomic}_read(v);
+
+ do {
+ if (unlikely(c > 0))
+ return false;
+ } while (!${atomic}_try_cmpxchg(v, &c, c - 1));
+
+ return true;
+}
+EOF
diff --git a/scripts/atomic/fallbacks/fence b/scripts/atomic/fallbacks/fence
new file mode 100755
index 000000000000..82f68fa6931a
--- /dev/null
+++ b/scripts/atomic/fallbacks/fence
@@ -0,0 +1,11 @@
+cat <<EOF
+static inline ${ret}
+${atomic}_${pfx}${name}${sfx}(${params})
+{
+ ${ret} ret;
+ __atomic_pre_full_fence();
+ ret = ${atomic}_${pfx}${name}${sfx}_relaxed(${args});
+ __atomic_post_full_fence();
+ return ret;
+}
+EOF
diff --git a/scripts/atomic/fallbacks/fetch_add_unless b/scripts/atomic/fallbacks/fetch_add_unless
new file mode 100755
index 000000000000..d2c091db7eae
--- /dev/null
+++ b/scripts/atomic/fallbacks/fetch_add_unless
@@ -0,0 +1,23 @@
+cat << EOF
+/**
+ * ${atomic}_fetch_add_unless - add unless the number is already a given value
+ * @v: pointer of type ${atomic}_t
+ * @a: the amount to add to v...
+ * @u: ...unless v is equal to u.
+ *
+ * Atomically adds @a to @v, so long as @v was not already @u.
+ * Returns original value of @v
+ */
+static inline ${int}
+${atomic}_fetch_add_unless(${atomic}_t *v, ${int} a, ${int} u)
+{
+ ${int} c = ${atomic}_read(v);
+
+ do {
+ if (unlikely(c == u))
+ break;
+ } while (!${atomic}_try_cmpxchg(v, &c, c + a));
+
+ return c;
+}
+EOF
diff --git a/scripts/atomic/fallbacks/inc b/scripts/atomic/fallbacks/inc
new file mode 100755
index 000000000000..f866b3ad2353
--- /dev/null
+++ b/scripts/atomic/fallbacks/inc
@@ -0,0 +1,7 @@
+cat <<EOF
+static inline ${ret}
+${atomic}_${pfx}inc${sfx}${order}(${atomic}_t *v)
+{
+ ${retstmt}${atomic}_${pfx}add${sfx}${order}(1, v);
+}
+EOF
diff --git a/scripts/atomic/fallbacks/inc_and_test b/scripts/atomic/fallbacks/inc_and_test
new file mode 100755
index 000000000000..4e2068869f7e
--- /dev/null
+++ b/scripts/atomic/fallbacks/inc_and_test
@@ -0,0 +1,15 @@
+cat <<EOF
+/**
+ * ${atomic}_inc_and_test - increment and test
+ * @v: pointer of type ${atomic}_t
+ *
+ * Atomically increments @v by 1
+ * and returns true if the result is zero, or false for all
+ * other cases.
+ */
+static inline bool
+${atomic}_inc_and_test(${atomic}_t *v)
+{
+ return ${atomic}_inc_return(v) == 0;
+}
+EOF
diff --git a/scripts/atomic/fallbacks/inc_not_zero b/scripts/atomic/fallbacks/inc_not_zero
new file mode 100755
index 000000000000..a7c45c8d107c
--- /dev/null
+++ b/scripts/atomic/fallbacks/inc_not_zero
@@ -0,0 +1,14 @@
+cat <<EOF
+/**
+ * ${atomic}_inc_not_zero - increment unless the number is zero
+ * @v: pointer of type ${atomic}_t
+ *
+ * Atomically increments @v by 1, if @v is non-zero.
+ * Returns true if the increment was done.
+ */
+static inline bool
+${atomic}_inc_not_zero(${atomic}_t *v)
+{
+ return ${atomic}_add_unless(v, 1, 0);
+}
+EOF
diff --git a/scripts/atomic/fallbacks/inc_unless_negative b/scripts/atomic/fallbacks/inc_unless_negative
new file mode 100755
index 000000000000..0c266e71dbd4
--- /dev/null
+++ b/scripts/atomic/fallbacks/inc_unless_negative
@@ -0,0 +1,14 @@
+cat <<EOF
+static inline bool
+${atomic}_inc_unless_negative(${atomic}_t *v)
+{
+ ${int} c = ${atomic}_read(v);
+
+ do {
+ if (unlikely(c < 0))
+ return false;
+ } while (!${atomic}_try_cmpxchg(v, &c, c + 1));
+
+ return true;
+}
+EOF
diff --git a/scripts/atomic/fallbacks/read_acquire b/scripts/atomic/fallbacks/read_acquire
new file mode 100755
index 000000000000..75863b5203f7
--- /dev/null
+++ b/scripts/atomic/fallbacks/read_acquire
@@ -0,0 +1,7 @@
+cat <<EOF
+static inline ${ret}
+${atomic}_read_acquire(const ${atomic}_t *v)
+{
+ return smp_load_acquire(&(v)->counter);
+}
+EOF
diff --git a/scripts/atomic/fallbacks/release b/scripts/atomic/fallbacks/release
new file mode 100755
index 000000000000..3f628a3802d9
--- /dev/null
+++ b/scripts/atomic/fallbacks/release
@@ -0,0 +1,8 @@
+cat <<EOF
+static inline ${ret}
+${atomic}_${pfx}${name}${sfx}_release(${params})
+{
+ __atomic_release_fence();
+ ${retstmt}${atomic}_${pfx}${name}${sfx}_relaxed(${args});
+}
+EOF
diff --git a/scripts/atomic/fallbacks/set_release b/scripts/atomic/fallbacks/set_release
new file mode 100755
index 000000000000..45bb5e0cfc08
--- /dev/null
+++ b/scripts/atomic/fallbacks/set_release
@@ -0,0 +1,7 @@
+cat <<EOF
+static inline void
+${atomic}_set_release(${atomic}_t *v, ${int} i)
+{
+ smp_store_release(&(v)->counter, i);
+}
+EOF
diff --git a/scripts/atomic/fallbacks/sub_and_test b/scripts/atomic/fallbacks/sub_and_test
new file mode 100755
index 000000000000..289ef17a2d7a
--- /dev/null
+++ b/scripts/atomic/fallbacks/sub_and_test
@@ -0,0 +1,16 @@
+cat <<EOF
+/**
+ * ${atomic}_sub_and_test - subtract value from variable and test result
+ * @i: integer value to subtract
+ * @v: pointer of type ${atomic}_t
+ *
+ * Atomically subtracts @i from @v and returns
+ * true if the result is zero, or false for all
+ * other cases.
+ */
+static inline bool
+${atomic}_sub_and_test(${int} i, ${atomic}_t *v)
+{
+ return ${atomic}_sub_return(i, v) == 0;
+}
+EOF
diff --git a/scripts/atomic/fallbacks/try_cmpxchg b/scripts/atomic/fallbacks/try_cmpxchg
new file mode 100755
index 000000000000..4ed85e2f5378
--- /dev/null
+++ b/scripts/atomic/fallbacks/try_cmpxchg
@@ -0,0 +1,11 @@
+cat <<EOF
+static inline bool
+${atomic}_try_cmpxchg${order}(${atomic}_t *v, ${int} *old, ${int} new)
+{
+ ${int} r, o = *old;
+ r = ${atomic}_cmpxchg${order}(v, o, new);
+ if (unlikely(r != o))
+ *old = r;
+ return likely(r == o);
+}
+EOF
diff --git a/scripts/atomic/gen-atomic-fallback.sh b/scripts/atomic/gen-atomic-fallback.sh
new file mode 100755
index 000000000000..1bd7c1707633
--- /dev/null
+++ b/scripts/atomic/gen-atomic-fallback.sh
@@ -0,0 +1,181 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+ATOMICDIR=$(dirname $0)
+
+. ${ATOMICDIR}/atomic-tbl.sh
+
+#gen_template_fallback(template, meta, pfx, name, sfx, order, atomic, int, args...)
+gen_template_fallback()
+{
+ local template="$1"; shift
+ local meta="$1"; shift
+ local pfx="$1"; shift
+ local name="$1"; shift
+ local sfx="$1"; shift
+ local order="$1"; shift
+ local atomic="$1"; shift
+ local int="$1"; shift
+
+ local atomicname="${atomic}_${pfx}${name}${sfx}${order}"
+
+ local ret="$(gen_ret_type "${meta}" "${int}")"
+ local retstmt="$(gen_ret_stmt "${meta}")"
+ local params="$(gen_params "${int}" "${atomic}" "$@")"
+ local args="$(gen_args "$@")"
+
+ if [ ! -z "${template}" ]; then
+ printf "#ifndef ${atomicname}\n"
+ . ${template}
+ printf "#define ${atomicname} ${atomicname}\n"
+ printf "#endif\n\n"
+ fi
+}
+
+#gen_proto_fallback(meta, pfx, name, sfx, order, atomic, int, args...)
+gen_proto_fallback()
+{
+ local meta="$1"; shift
+ local pfx="$1"; shift
+ local name="$1"; shift
+ local sfx="$1"; shift
+ local order="$1"; shift
+
+ local tmpl="$(find_fallback_template "${pfx}" "${name}" "${sfx}" "${order}")"
+ gen_template_fallback "${tmpl}" "${meta}" "${pfx}" "${name}" "${sfx}" "${order}" "$@"
+}
+
+#gen_basic_fallbacks(basename)
+gen_basic_fallbacks()
+{
+ local basename="$1"; shift
+cat << EOF
+#define ${basename}_acquire ${basename}
+#define ${basename}_release ${basename}
+#define ${basename}_relaxed ${basename}
+EOF
+}
+
+#gen_proto_order_variants(meta, pfx, name, sfx, atomic, int, args...)
+gen_proto_order_variants()
+{
+ local meta="$1"; shift
+ local pfx="$1"; shift
+ local name="$1"; shift
+ local sfx="$1"; shift
+ local atomic="$1"
+
+ local basename="${atomic}_${pfx}${name}${sfx}"
+
+ local template="$(find_fallback_template "${pfx}" "${name}" "${sfx}" "${order}")"
+
+ # If we don't have relaxed atomics, then we don't bother with ordering fallbacks
+ # read_acquire and set_release need to be templated, though
+ if ! meta_has_relaxed "${meta}"; then
+ gen_proto_fallback "${meta}" "${pfx}" "${name}" "${sfx}" "" "$@"
+
+ if meta_has_acquire "${meta}"; then
+ gen_proto_fallback "${meta}" "${pfx}" "${name}" "${sfx}" "_acquire" "$@"
+ fi
+
+ if meta_has_release "${meta}"; then
+ gen_proto_fallback "${meta}" "${pfx}" "${name}" "${sfx}" "_release" "$@"
+ fi
+
+ return
+ fi
+
+ printf "#ifndef ${basename}_relaxed\n"
+
+ if [ ! -z "${template}" ]; then
+ printf "#ifdef ${basename}\n"
+ fi
+
+ gen_basic_fallbacks "${basename}"
+
+ if [ ! -z "${template}" ]; then
+ printf "#endif /* ${atomic}_${pfx}${name}${sfx} */\n\n"
+ gen_proto_fallback "${meta}" "${pfx}" "${name}" "${sfx}" "" "$@"
+ gen_proto_fallback "${meta}" "${pfx}" "${name}" "${sfx}" "_acquire" "$@"
+ gen_proto_fallback "${meta}" "${pfx}" "${name}" "${sfx}" "_release" "$@"
+ gen_proto_fallback "${meta}" "${pfx}" "${name}" "${sfx}" "_relaxed" "$@"
+ fi
+
+ printf "#else /* ${basename}_relaxed */\n\n"
+
+ gen_template_fallback "${ATOMICDIR}/fallbacks/acquire" "${meta}" "${pfx}" "${name}" "${sfx}" "_acquire" "$@"
+ gen_template_fallback "${ATOMICDIR}/fallbacks/release" "${meta}" "${pfx}" "${name}" "${sfx}" "_release" "$@"
+ gen_template_fallback "${ATOMICDIR}/fallbacks/fence" "${meta}" "${pfx}" "${name}" "${sfx}" "" "$@"
+
+ printf "#endif /* ${basename}_relaxed */\n\n"
+}
+
+gen_xchg_fallbacks()
+{
+ local xchg="$1"; shift
+cat <<EOF
+#ifndef ${xchg}_relaxed
+#define ${xchg}_relaxed ${xchg}
+#define ${xchg}_acquire ${xchg}
+#define ${xchg}_release ${xchg}
+#else /* ${xchg}_relaxed */
+
+#ifndef ${xchg}_acquire
+#define ${xchg}_acquire(...) \\
+ __atomic_op_acquire(${xchg}, __VA_ARGS__)
+#endif
+
+#ifndef ${xchg}_release
+#define ${xchg}_release(...) \\
+ __atomic_op_release(${xchg}, __VA_ARGS__)
+#endif
+
+#ifndef ${xchg}
+#define ${xchg}(...) \\
+ __atomic_op_fence(${xchg}, __VA_ARGS__)
+#endif
+
+#endif /* ${xchg}_relaxed */
+
+EOF
+}
+
+cat << EOF
+// SPDX-License-Identifier: GPL-2.0
+
+// Generated by $0
+// DO NOT MODIFY THIS FILE DIRECTLY
+
+#ifndef _LINUX_ATOMIC_FALLBACK_H
+#define _LINUX_ATOMIC_FALLBACK_H
+
+EOF
+
+for xchg in "xchg" "cmpxchg" "cmpxchg64"; do
+ gen_xchg_fallbacks "${xchg}"
+done
+
+grep '^[a-z]' "$1" | while read name meta args; do
+ gen_proto "${meta}" "${name}" "atomic" "int" ${args}
+done
+
+cat <<EOF
+#define atomic_cond_read_acquire(v, c) smp_cond_load_acquire(&(v)->counter, (c))
+#define atomic_cond_read_relaxed(v, c) smp_cond_load_relaxed(&(v)->counter, (c))
+
+#ifdef CONFIG_GENERIC_ATOMIC64
+#include <asm-generic/atomic64.h>
+#endif
+
+EOF
+
+grep '^[a-z]' "$1" | while read name meta args; do
+ gen_proto "${meta}" "${name}" "atomic64" "s64" ${args}
+done
+
+cat <<EOF
+#define atomic64_cond_read_acquire(v, c) smp_cond_load_acquire(&(v)->counter, (c))
+#define atomic64_cond_read_relaxed(v, c) smp_cond_load_relaxed(&(v)->counter, (c))
+
+#endif /* _LINUX_ATOMIC_FALLBACK_H */
+EOF
diff --git a/scripts/atomic/gen-atomic-instrumented.sh b/scripts/atomic/gen-atomic-instrumented.sh
new file mode 100755
index 000000000000..e09812372b17
--- /dev/null
+++ b/scripts/atomic/gen-atomic-instrumented.sh
@@ -0,0 +1,182 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+ATOMICDIR=$(dirname $0)
+
+. ${ATOMICDIR}/atomic-tbl.sh
+
+#gen_param_check(arg)
+gen_param_check()
+{
+ local arg="$1"; shift
+ local type="${arg%%:*}"
+ local name="$(gen_param_name "${arg}")"
+ local rw="write"
+
+ case "${type#c}" in
+ i) return;;
+ esac
+
+ # We don't write to constant parameters
+ [ ${type#c} != ${type} ] && rw="read"
+
+ printf "\tkasan_check_${rw}(${name}, sizeof(*${name}));\n"
+}
+
+#gen_param_check(arg...)
+gen_params_checks()
+{
+ while [ "$#" -gt 0 ]; do
+ gen_param_check "$1"
+ shift;
+ done
+}
+
+# gen_guard(meta, atomic, pfx, name, sfx, order)
+gen_guard()
+{
+ local meta="$1"; shift
+ local atomic="$1"; shift
+ local pfx="$1"; shift
+ local name="$1"; shift
+ local sfx="$1"; shift
+ local order="$1"; shift
+
+ local atomicname="arch_${atomic}_${pfx}${name}${sfx}${order}"
+
+ local template="$(find_fallback_template "${pfx}" "${name}" "${sfx}" "${order}")"
+
+ # We definitely need a preprocessor symbol for this atomic if it is an
+ # ordering variant, or if there's a generic fallback.
+ if [ ! -z "${order}" ] || [ ! -z "${template}" ]; then
+ printf "defined(${atomicname})"
+ return
+ fi
+
+ # If this is a base variant, but a relaxed variant *may* exist, then we
+ # only have a preprocessor symbol if the relaxed variant isn't defined
+ if meta_has_relaxed "${meta}"; then
+ printf "!defined(${atomicname}_relaxed) || defined(${atomicname})"
+ fi
+}
+
+#gen_proto_order_variant(meta, pfx, name, sfx, order, atomic, int, arg...)
+gen_proto_order_variant()
+{
+ local meta="$1"; shift
+ local pfx="$1"; shift
+ local name="$1"; shift
+ local sfx="$1"; shift
+ local order="$1"; shift
+ local atomic="$1"; shift
+ local int="$1"; shift
+
+ local atomicname="${atomic}_${pfx}${name}${sfx}${order}"
+
+ local guard="$(gen_guard "${meta}" "${atomic}" "${pfx}" "${name}" "${sfx}" "${order}")"
+
+ local ret="$(gen_ret_type "${meta}" "${int}")"
+ local params="$(gen_params "${int}" "${atomic}" "$@")"
+ local checks="$(gen_params_checks "$@")"
+ local args="$(gen_args "$@")"
+ local retstmt="$(gen_ret_stmt "${meta}")"
+
+ [ ! -z "${guard}" ] && printf "#if ${guard}\n"
+
+cat <<EOF
+static inline ${ret}
+${atomicname}(${params})
+{
+${checks}
+ ${retstmt}arch_${atomicname}(${args});
+}
+#define ${atomicname} ${atomicname}
+EOF
+
+ [ ! -z "${guard}" ] && printf "#endif\n"
+
+ printf "\n"
+}
+
+gen_xchg()
+{
+ local xchg="$1"; shift
+ local mult="$1"; shift
+
+cat <<EOF
+#define ${xchg}(ptr, ...) \\
+({ \\
+ typeof(ptr) __ai_ptr = (ptr); \\
+ kasan_check_write(__ai_ptr, ${mult}sizeof(*__ai_ptr)); \\
+ arch_${xchg}(__ai_ptr, __VA_ARGS__); \\
+})
+EOF
+}
+
+gen_optional_xchg()
+{
+ local name="$1"; shift
+ local sfx="$1"; shift
+ local guard="defined(arch_${name}${sfx})"
+
+ [ -z "${sfx}" ] && guard="!defined(arch_${name}_relaxed) || defined(arch_${name})"
+
+ printf "#if ${guard}\n"
+ gen_xchg "${name}${sfx}" ""
+ printf "#endif\n\n"
+}
+
+cat << EOF
+// SPDX-License-Identifier: GPL-2.0
+
+// Generated by $0
+// DO NOT MODIFY THIS FILE DIRECTLY
+
+/*
+ * This file provides wrappers with KASAN instrumentation for atomic operations.
+ * To use this functionality an arch's atomic.h file needs to define all
+ * atomic operations with arch_ prefix (e.g. arch_atomic_read()) and include
+ * this file at the end. This file provides atomic_read() that forwards to
+ * arch_atomic_read() for actual atomic operation.
+ * Note: if an arch atomic operation is implemented by means of other atomic
+ * operations (e.g. atomic_read()/atomic_cmpxchg() loop), then it needs to use
+ * arch_ variants (i.e. arch_atomic_read()/arch_atomic_cmpxchg()) to avoid
+ * double instrumentation.
+ */
+#ifndef _ASM_GENERIC_ATOMIC_INSTRUMENTED_H
+#define _ASM_GENERIC_ATOMIC_INSTRUMENTED_H
+
+#include <linux/build_bug.h>
+#include <linux/kasan-checks.h>
+
+EOF
+
+grep '^[a-z]' "$1" | while read name meta args; do
+ gen_proto "${meta}" "${name}" "atomic" "int" ${args}
+done
+
+grep '^[a-z]' "$1" | while read name meta args; do
+ gen_proto "${meta}" "${name}" "atomic64" "s64" ${args}
+done
+
+for xchg in "xchg" "cmpxchg" "cmpxchg64"; do
+ for order in "" "_acquire" "_release" "_relaxed"; do
+ gen_optional_xchg "${xchg}" "${order}"
+ done
+done
+
+for xchg in "cmpxchg_local" "cmpxchg64_local" "sync_cmpxchg"; do
+ gen_xchg "${xchg}" ""
+ printf "\n"
+done
+
+gen_xchg "cmpxchg_double" "2 * "
+
+printf "\n\n"
+
+gen_xchg "cmpxchg_double_local" "2 * "
+
+cat <<EOF
+
+#endif /* _ASM_GENERIC_ATOMIC_INSTRUMENTED_H */
+EOF
diff --git a/scripts/atomic/gen-atomic-long.sh b/scripts/atomic/gen-atomic-long.sh
new file mode 100755
index 000000000000..c240a7231b2e
--- /dev/null
+++ b/scripts/atomic/gen-atomic-long.sh
@@ -0,0 +1,101 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+ATOMICDIR=$(dirname $0)
+
+. ${ATOMICDIR}/atomic-tbl.sh
+
+#gen_cast(arg, int, atomic)
+gen_cast()
+{
+ local arg="$1"; shift
+ local int="$1"; shift
+ local atomic="$1"; shift
+
+ [ "${arg%%:*}" = "p" ] || return
+
+ printf "($(gen_param_type "${arg}" "${int}" "${atomic}"))"
+}
+
+#gen_args_cast(int, atomic, arg...)
+gen_args_cast()
+{
+ local int="$1"; shift
+ local atomic="$1"; shift
+
+ while [ "$#" -gt 0 ]; do
+ local cast="$(gen_cast "$1" "${int}" "${atomic}")"
+ local arg="$(gen_param_name "$1")"
+ printf "${cast}${arg}"
+ [ "$#" -gt 1 ] && printf ", "
+ shift;
+ done
+}
+
+#gen_proto_order_variant(meta, pfx, name, sfx, order, atomic, int, arg...)
+gen_proto_order_variant()
+{
+ local meta="$1"; shift
+ local name="$1$2$3$4"; shift; shift; shift; shift
+ local atomic="$1"; shift
+ local int="$1"; shift
+
+ local ret="$(gen_ret_type "${meta}" "long")"
+ local params="$(gen_params "long" "atomic_long" "$@")"
+ local argscast="$(gen_args_cast "${int}" "${atomic}" "$@")"
+ local retstmt="$(gen_ret_stmt "${meta}")"
+
+cat <<EOF
+static inline ${ret}
+atomic_long_${name}(${params})
+{
+ ${retstmt}${atomic}_${name}(${argscast});
+}
+
+EOF
+}
+
+cat << EOF
+// SPDX-License-Identifier: GPL-2.0
+
+// Generated by $0
+// DO NOT MODIFY THIS FILE DIRECTLY
+
+#ifndef _ASM_GENERIC_ATOMIC_LONG_H
+#define _ASM_GENERIC_ATOMIC_LONG_H
+
+#include <asm/types.h>
+
+#ifdef CONFIG_64BIT
+typedef atomic64_t atomic_long_t;
+#define ATOMIC_LONG_INIT(i) ATOMIC64_INIT(i)
+#define atomic_long_cond_read_acquire atomic64_cond_read_acquire
+#define atomic_long_cond_read_relaxed atomic64_cond_read_relaxed
+#else
+typedef atomic_t atomic_long_t;
+#define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i)
+#define atomic_long_cond_read_acquire atomic_cond_read_acquire
+#define atomic_long_cond_read_relaxed atomic_cond_read_relaxed
+#endif
+
+#ifdef CONFIG_64BIT
+
+EOF
+
+grep '^[a-z]' "$1" | while read name meta args; do
+ gen_proto "${meta}" "${name}" "atomic64" "s64" ${args}
+done
+
+cat <<EOF
+#else /* CONFIG_64BIT */
+
+EOF
+
+grep '^[a-z]' "$1" | while read name meta args; do
+ gen_proto "${meta}" "${name}" "atomic" "int" ${args}
+done
+
+cat <<EOF
+#endif /* CONFIG_64BIT */
+#endif /* _ASM_GENERIC_ATOMIC_LONG_H */
+EOF
diff --git a/scripts/atomic/gen-atomics.sh b/scripts/atomic/gen-atomics.sh
new file mode 100644
index 000000000000..27400b0cd732
--- /dev/null
+++ b/scripts/atomic/gen-atomics.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+#
+# Generate atomic headers
+
+ATOMICDIR=$(dirname $0)
+ATOMICTBL=${ATOMICDIR}/atomics.tbl
+LINUXDIR=${ATOMICDIR}/../..
+
+cat <<EOF |
+gen-atomic-instrumented.sh asm-generic/atomic-instrumented.h
+gen-atomic-long.sh asm-generic/atomic-long.h
+gen-atomic-fallback.sh linux/atomic-fallback.h
+EOF
+while read script header; do
+ ${ATOMICDIR}/${script} ${ATOMICTBL} > ${LINUXDIR}/include/${header}
+ HASH="$(sha1sum ${LINUXDIR}/include/${header})"
+ HASH="${HASH%% *}"
+ printf "// %s\n" "${HASH}" >> ${LINUXDIR}/include/${header}
+done
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index b737ca9d7204..5b756278df13 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -61,7 +61,7 @@ my $codespellfile = "/usr/share/codespell/dictionary.txt";
my $conststructsfile = "$D/const_structs.checkpatch";
my $typedefsfile = "";
my $color = "auto";
-my $allow_c99_comments = 1;
+my $allow_c99_comments = 1; # Can be overridden by --ignore C99_COMMENT_TOLERANCE
sub help {
my ($exitcode) = @_;
@@ -466,6 +466,16 @@ our $logFunctions = qr{(?x:
seq_vprintf|seq_printf|seq_puts
)};
+our $allocFunctions = qr{(?x:
+ (?:(?:devm_)?
+ (?:kv|k|v)[czm]alloc(?:_node|_array)? |
+ kstrdup(?:_const)? |
+ kmemdup(?:_nul)?) |
+ (?:\w+)?alloc_skb(?:ip_align)? |
+ # dev_alloc_skb/netdev_alloc_skb, et al
+ dma_alloc_coherent
+)};
+
our $signature_tags = qr{(?xi:
Signed-off-by:|
Co-developed-by:|
@@ -1011,6 +1021,7 @@ if ($git) {
}
my $vname;
+$allow_c99_comments = !defined $ignore_type{"C99_COMMENT_TOLERANCE"};
for my $filename (@ARGV) {
my $FILE;
if ($git) {
@@ -3037,6 +3048,14 @@ sub process {
$comment = '..';
}
+# check SPDX comment style for .[chsS] files
+ if ($realfile =~ /\.[chsS]$/ &&
+ $rawline =~ /SPDX-License-Identifier:/ &&
+ $rawline !~ /^\+\s*\Q$comment\E\s*/) {
+ WARN("SPDX_LICENSE_TAG",
+ "Improper SPDX comment style for '$realfile', please use '$comment' instead\n" . $herecurr);
+ }
+
if ($comment !~ /^$/ &&
$rawline !~ /^\+\Q$comment\E SPDX-License-Identifier: /) {
WARN("SPDX_LICENSE_TAG",
@@ -3054,6 +3073,14 @@ sub process {
# check we are in a valid source file if not then ignore this hunk
next if ($realfile !~ /\.(h|c|s|S|sh|dtsi|dts)$/);
+# check for using SPDX-License-Identifier on the wrong line number
+ if ($realline != $checklicenseline &&
+ $rawline =~ /\bSPDX-License-Identifier:/ &&
+ substr($line, @-, @+ - @-) eq "$;" x (@+ - @-)) {
+ WARN("SPDX_LICENSE_TAG",
+ "Misplaced SPDX-License-Identifier tag - use line $checklicenseline instead\n" . $herecurr);
+ }
+
# line length limit (with some exclusions)
#
# There are a few types of lines that may extend beyond $max_line_length:
@@ -5545,7 +5572,8 @@ sub process {
my ($s, $c) = ctx_statement_block($linenr - 3, $realcnt, 0);
# print("line: <$line>\nprevline: <$prevline>\ns: <$s>\nc: <$c>\n\n\n");
- if ($s =~ /(?:^|\n)[ \+]\s*(?:$Type\s*)?\Q$testval\E\s*=\s*(?:\([^\)]*\)\s*)?\s*(?:devm_)?(?:[kv][czm]alloc(?:_node|_array)?\b|kstrdup|kmemdup|(?:dev_)?alloc_skb)/) {
+ if ($s =~ /(?:^|\n)[ \+]\s*(?:$Type\s*)?\Q$testval\E\s*=\s*(?:\([^\)]*\)\s*)?\s*$allocFunctions\s*\(/ &&
+ $s !~ /\b__GFP_NOWARN\b/ ) {
WARN("OOM_MESSAGE",
"Possible unnecessary 'out of memory' message\n" . $hereprev);
}
@@ -6196,8 +6224,8 @@ sub process {
}
}
-# check for pointless casting of kmalloc return
- if ($line =~ /\*\s*\)\s*[kv][czm]alloc(_node){0,1}\b/) {
+# check for pointless casting of alloc functions
+ if ($line =~ /\*\s*\)\s*$allocFunctions\b/) {
WARN("UNNECESSARY_CASTS",
"unnecessary cast may hide bugs, see http://c-faq.com/malloc/mallocnocast.html\n" . $herecurr);
}
@@ -6205,7 +6233,7 @@ sub process {
# alloc style
# p = alloc(sizeof(struct foo), ...) should be p = alloc(sizeof(*p), ...)
if ($perl_version_ok &&
- $line =~ /\b($Lval)\s*\=\s*(?:$balanced_parens)?\s*([kv][mz]alloc(?:_node)?)\s*\(\s*(sizeof\s*\(\s*struct\s+$Lval\s*\))/) {
+ $line =~ /\b($Lval)\s*\=\s*(?:$balanced_parens)?\s*((?:kv|k|v)[mz]alloc(?:_node)?)\s*\(\s*(sizeof\s*\(\s*struct\s+$Lval\s*\))/) {
CHK("ALLOC_SIZEOF_STRUCT",
"Prefer $3(sizeof(*$1)...) over $3($4...)\n" . $herecurr);
}
@@ -6368,19 +6396,6 @@ sub process {
}
}
-# check for bool bitfields
- if ($sline =~ /^.\s+bool\s*$Ident\s*:\s*\d+\s*;/) {
- WARN("BOOL_BITFIELD",
- "Avoid using bool as bitfield. Prefer bool bitfields as unsigned int or u<8|16|32>\n" . $herecurr);
- }
-
-# check for bool use in .h files
- if ($realfile =~ /\.h$/ &&
- $sline =~ /^.\s+bool\s*$Ident\s*(?::\s*d+\s*)?;/) {
- CHK("BOOL_MEMBER",
- "Avoid using bool structure members because of possible alignment issues - see: https://lkml.org/lkml/2017/11/21/384\n" . $herecurr);
- }
-
# check for semaphores initialized locked
if ($line =~ /^.\s*sema_init.+,\W?0\W?\)/) {
WARN("CONSIDER_COMPLETION",
diff --git a/scripts/checksyscalls.sh b/scripts/checksyscalls.sh
index cf931003395f..a18b47695f55 100755
--- a/scripts/checksyscalls.sh
+++ b/scripts/checksyscalls.sh
@@ -30,12 +30,14 @@ cat << EOF
#define __IGNORE_readlink /* readlinkat */
#define __IGNORE_symlink /* symlinkat */
#define __IGNORE_utimes /* futimesat */
-#if BITS_PER_LONG == 64
#define __IGNORE_stat /* fstatat */
#define __IGNORE_lstat /* fstatat */
-#else
#define __IGNORE_stat64 /* fstatat64 */
#define __IGNORE_lstat64 /* fstatat64 */
+
+#ifndef __ARCH_WANT_SET_GET_RLIMIT
+#define __IGNORE_getrlimit /* getrlimit */
+#define __IGNORE_setrlimit /* setrlimit */
#endif
/* Missing flags argument */
@@ -84,6 +86,26 @@ cat << EOF
#define __IGNORE_statfs64
#define __IGNORE_llseek
#define __IGNORE_mmap2
+#define __IGNORE_clock_gettime64
+#define __IGNORE_clock_settime64
+#define __IGNORE_clock_adjtime64
+#define __IGNORE_clock_getres_time64
+#define __IGNORE_clock_nanosleep_time64
+#define __IGNORE_timer_gettime64
+#define __IGNORE_timer_settime64
+#define __IGNORE_timerfd_gettime64
+#define __IGNORE_timerfd_settime64
+#define __IGNORE_utimensat_time64
+#define __IGNORE_pselect6_time64
+#define __IGNORE_ppoll_time64
+#define __IGNORE_io_pgetevents_time64
+#define __IGNORE_recvmmsg_time64
+#define __IGNORE_mq_timedsend_time64
+#define __IGNORE_mq_timedreceive_time64
+#define __IGNORE_semtimedop_time64
+#define __IGNORE_rt_sigtimedwait_time64
+#define __IGNORE_futex_time64
+#define __IGNORE_sched_rr_get_interval_time64
#else
#define __IGNORE_sendfile
#define __IGNORE_ftruncate
@@ -98,6 +120,33 @@ cat << EOF
#define __IGNORE_statfs
#define __IGNORE_lseek
#define __IGNORE_mmap
+#define __IGNORE_clock_gettime
+#define __IGNORE_clock_settime
+#define __IGNORE_clock_adjtime
+#define __IGNORE_clock_getres
+#define __IGNORE_clock_nanosleep
+#define __IGNORE_timer_gettime
+#define __IGNORE_timer_settime
+#define __IGNORE_timerfd_gettime
+#define __IGNORE_timerfd_settime
+#define __IGNORE_utimensat
+#define __IGNORE_pselect6
+#define __IGNORE_ppoll
+#define __IGNORE_io_pgetevents
+#define __IGNORE_recvmmsg
+#define __IGNORE_mq_timedsend
+#define __IGNORE_mq_timedreceive
+#define __IGNORE_semtimedop
+#define __IGNORE_rt_sigtimedwait
+#define __IGNORE_futex
+#define __IGNORE_sched_rr_get_interval
+#define __IGNORE_gettimeofday
+#define __IGNORE_settimeofday
+#define __IGNORE_wait4
+#define __IGNORE_adjtimex
+#define __IGNORE_nanosleep
+#define __IGNORE_io_getevents
+#define __IGNORE_recvmmsg
#endif
/* i386-specific or historical system calls */
diff --git a/scripts/decode_stacktrace.sh b/scripts/decode_stacktrace.sh
index 98a7d63a723e..bcdd45df3f51 100755
--- a/scripts/decode_stacktrace.sh
+++ b/scripts/decode_stacktrace.sh
@@ -37,6 +37,13 @@ parse_symbol() {
symbol=${symbol#\(}
symbol=${symbol%\)}
+ # Strip segment
+ local segment
+ if [[ $symbol == *:* ]] ; then
+ segment=${symbol%%:*}:
+ symbol=${symbol#*:}
+ fi
+
# Strip the symbol name so that we could look it up
local name=${symbol%+*}
@@ -84,7 +91,7 @@ parse_symbol() {
code=${code//$'\n'/' '}
# Replace old address with pretty line numbers
- symbol="$name ($code)"
+ symbol="$segment$name ($code)"
}
decode_code() {
diff --git a/scripts/dtc/dtx_diff b/scripts/dtc/dtx_diff
index 8c4fbad2055e..0d8572008729 100755
--- a/scripts/dtc/dtx_diff
+++ b/scripts/dtc/dtx_diff
@@ -21,6 +21,7 @@ Usage:
diff DTx_1 and DTx_2
+ --annotate synonym for -T
-f print full dts in diff (--unified=99999)
-h synonym for --help
-help synonym for --help
@@ -28,6 +29,7 @@ Usage:
-s SRCTREE linux kernel source tree is at path SRCTREE
(default is current directory)
-S linux kernel source tree is at root of current git repo
+ -T Annotate output .dts with input source file and line (-T -T for more details)
-u unsorted, do not sort DTx
@@ -174,6 +176,7 @@ compile_to_dts() {
# ----- start of script
+annotate=""
cmd_diff=0
diff_flags="-u"
dtx_file_1=""
@@ -208,6 +211,14 @@ while [ $# -gt 0 ] ; do
shift
;;
+ -T | --annotate )
+ if [ "${annotate}" = "" ] ; then
+ annotate="-T"
+ elif [ "${annotate}" = "-T" ] ; then
+ annotate="-T -T"
+ fi
+ shift
+ ;;
-u )
dtc_sort=""
shift
@@ -327,7 +338,7 @@ cpp_flags="\
DTC="\
${DTC} \
-i ${srctree}/scripts/dtc/include-prefixes \
- -O dts -qq -f ${dtc_sort} -o -"
+ -O dts -qq -f ${dtc_sort} ${annotate} -o -"
# ----- do the diff or decompile
diff --git a/scripts/gcc-plugins/Kconfig b/scripts/gcc-plugins/Kconfig
index d45f7f36b859..74271dba4f94 100644
--- a/scripts/gcc-plugins/Kconfig
+++ b/scripts/gcc-plugins/Kconfig
@@ -67,27 +67,59 @@ config GCC_PLUGIN_LATENT_ENTROPY
* https://pax.grsecurity.net/
config GCC_PLUGIN_STRUCTLEAK
- bool "Force initialization of variables containing userspace addresses"
- # Currently STRUCTLEAK inserts initialization out of live scope of
- # variables from KASAN point of view. This leads to KASAN false
- # positive reports. Prohibit this combination for now.
- depends on !KASAN_EXTRA
+ bool "Zero initialize stack variables"
help
- This plugin zero-initializes any structures containing a
- __user attribute. This can prevent some classes of information
- exposures.
-
- This plugin was ported from grsecurity/PaX. More information at:
+ While the kernel is built with warnings enabled for any missed
+ stack variable initializations, this warning is silenced for
+ anything passed by reference to another function, under the
+ occasionally misguided assumption that the function will do
+ the initialization. As this regularly leads to exploitable
+ flaws, this plugin is available to identify and zero-initialize
+ such variables, depending on the chosen level of coverage.
+
+ This plugin was originally ported from grsecurity/PaX. More
+ information at:
* https://grsecurity.net/
* https://pax.grsecurity.net/
-config GCC_PLUGIN_STRUCTLEAK_BYREF_ALL
- bool "Force initialize all struct type variables passed by reference"
+choice
+ prompt "Coverage"
depends on GCC_PLUGIN_STRUCTLEAK
- depends on !COMPILE_TEST
+ default GCC_PLUGIN_STRUCTLEAK_BYREF_ALL
help
- Zero initialize any struct type local variable that may be passed by
- reference without having been initialized.
+ This chooses the level of coverage over classes of potentially
+ uninitialized variables. The selected class will be
+ zero-initialized before use.
+
+ config GCC_PLUGIN_STRUCTLEAK_USER
+ bool "structs marked for userspace"
+ help
+ Zero-initialize any structures on the stack containing
+ a __user attribute. This can prevent some classes of
+ uninitialized stack variable exploits and information
+ exposures, like CVE-2013-2141:
+ https://git.kernel.org/linus/b9e146d8eb3b9eca
+
+ config GCC_PLUGIN_STRUCTLEAK_BYREF
+ bool "structs passed by reference"
+ help
+ Zero-initialize any structures on the stack that may
+ be passed by reference and had not already been
+ explicitly initialized. This can prevent most classes
+ of uninitialized stack variable exploits and information
+ exposures, like CVE-2017-1000410:
+ https://git.kernel.org/linus/06e7e776ca4d3654
+
+ config GCC_PLUGIN_STRUCTLEAK_BYREF_ALL
+ bool "anything passed by reference"
+ help
+ Zero-initialize any stack variables that may be passed
+ by reference and had not already been explicitly
+ initialized. This is intended to eliminate all classes
+ of uninitialized stack variable exploits and information
+ exposures.
+
+endchoice
config GCC_PLUGIN_STRUCTLEAK_VERBOSE
bool "Report forcefully initialized variables"
diff --git a/scripts/gcc-plugins/structleak_plugin.c b/scripts/gcc-plugins/structleak_plugin.c
index 10292f791e99..e89be8f5c859 100644
--- a/scripts/gcc-plugins/structleak_plugin.c
+++ b/scripts/gcc-plugins/structleak_plugin.c
@@ -16,6 +16,7 @@
* Options:
* -fplugin-arg-structleak_plugin-disable
* -fplugin-arg-structleak_plugin-verbose
+ * -fplugin-arg-structleak_plugin-byref
* -fplugin-arg-structleak_plugin-byref-all
*
* Usage:
@@ -26,7 +27,6 @@
* $ gcc -fplugin=./structleak_plugin.so test.c -O2
*
* TODO: eliminate redundant initializers
- * increase type coverage
*/
#include "gcc-common.h"
@@ -37,13 +37,18 @@
__visible int plugin_is_GPL_compatible;
static struct plugin_info structleak_plugin_info = {
- .version = "201607271510vanilla",
+ .version = "20190125vanilla",
.help = "disable\tdo not activate plugin\n"
- "verbose\tprint all initialized variables\n",
+ "byref\tinit structs passed by reference\n"
+ "byref-all\tinit anything passed by reference\n"
+ "verbose\tprint all initialized variables\n",
};
+#define BYREF_STRUCT 1
+#define BYREF_ALL 2
+
static bool verbose;
-static bool byref_all;
+static int byref;
static tree handle_user_attribute(tree *node, tree name, tree args, int flags, bool *no_add_attrs)
{
@@ -118,6 +123,7 @@ static void initialize(tree var)
gimple_stmt_iterator gsi;
tree initializer;
gimple init_stmt;
+ tree type;
/* this is the original entry bb before the forced split */
bb = single_succ(ENTRY_BLOCK_PTR_FOR_FN(cfun));
@@ -148,11 +154,15 @@ static void initialize(tree var)
if (verbose)
inform(DECL_SOURCE_LOCATION(var),
"%s variable will be forcibly initialized",
- (byref_all && TREE_ADDRESSABLE(var)) ? "byref"
- : "userspace");
+ (byref && TREE_ADDRESSABLE(var)) ? "byref"
+ : "userspace");
/* build the initializer expression */
- initializer = build_constructor(TREE_TYPE(var), NULL);
+ type = TREE_TYPE(var);
+ if (AGGREGATE_TYPE_P(type))
+ initializer = build_constructor(type, NULL);
+ else
+ initializer = fold_convert(type, integer_zero_node);
/* build the initializer stmt */
init_stmt = gimple_build_assign(var, initializer);
@@ -184,13 +194,13 @@ static unsigned int structleak_execute(void)
if (!auto_var_in_fn_p(var, current_function_decl))
continue;
- /* only care about structure types */
- if (TREE_CODE(type) != RECORD_TYPE && TREE_CODE(type) != UNION_TYPE)
+ /* only care about structure types unless byref-all */
+ if (byref != BYREF_ALL && TREE_CODE(type) != RECORD_TYPE && TREE_CODE(type) != UNION_TYPE)
continue;
/* if the type is of interest, examine the variable */
if (TYPE_USERSPACE(type) ||
- (byref_all && TREE_ADDRESSABLE(var)))
+ (byref && TREE_ADDRESSABLE(var)))
initialize(var);
}
@@ -232,8 +242,12 @@ __visible int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gc
verbose = true;
continue;
}
+ if (!strcmp(argv[i].key, "byref")) {
+ byref = BYREF_STRUCT;
+ continue;
+ }
if (!strcmp(argv[i].key, "byref-all")) {
- byref_all = true;
+ byref = BYREF_ALL;
continue;
}
error(G_("unknown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key);
diff --git a/scripts/gdb/linux/constants.py.in b/scripts/gdb/linux/constants.py.in
index 7aad82406422..d3319a80788a 100644
--- a/scripts/gdb/linux/constants.py.in
+++ b/scripts/gdb/linux/constants.py.in
@@ -37,12 +37,12 @@
import gdb
/* linux/fs.h */
-LX_VALUE(MS_RDONLY)
-LX_VALUE(MS_SYNCHRONOUS)
-LX_VALUE(MS_MANDLOCK)
-LX_VALUE(MS_DIRSYNC)
-LX_VALUE(MS_NOATIME)
-LX_VALUE(MS_NODIRATIME)
+LX_VALUE(SB_RDONLY)
+LX_VALUE(SB_SYNCHRONOUS)
+LX_VALUE(SB_MANDLOCK)
+LX_VALUE(SB_DIRSYNC)
+LX_VALUE(SB_NOATIME)
+LX_VALUE(SB_NODIRATIME)
/* linux/mount.h */
LX_VALUE(MNT_NOSUID)
diff --git a/scripts/gdb/linux/proc.py b/scripts/gdb/linux/proc.py
index 0aebd7565b03..2f01a958eb22 100644
--- a/scripts/gdb/linux/proc.py
+++ b/scripts/gdb/linux/proc.py
@@ -114,11 +114,11 @@ def info_opts(lst, opt):
return opts
-FS_INFO = {constants.LX_MS_SYNCHRONOUS: ",sync",
- constants.LX_MS_MANDLOCK: ",mand",
- constants.LX_MS_DIRSYNC: ",dirsync",
- constants.LX_MS_NOATIME: ",noatime",
- constants.LX_MS_NODIRATIME: ",nodiratime"}
+FS_INFO = {constants.LX_SB_SYNCHRONOUS: ",sync",
+ constants.LX_SB_MANDLOCK: ",mand",
+ constants.LX_SB_DIRSYNC: ",dirsync",
+ constants.LX_SB_NOATIME: ",noatime",
+ constants.LX_SB_NODIRATIME: ",nodiratime"}
MNT_INFO = {constants.LX_MNT_NOSUID: ",nosuid",
constants.LX_MNT_NODEV: ",nodev",
@@ -184,7 +184,7 @@ values of that process namespace"""
fstype = superblock['s_type']['name'].string()
s_flags = int(superblock['s_flags'])
m_flags = int(vfs['mnt']['mnt_flags'])
- rd = "ro" if (s_flags & constants.LX_MS_RDONLY) else "rw"
+ rd = "ro" if (s_flags & constants.LX_SB_RDONLY) else "rw"
gdb.write(
"{} {} {} {}{}{} 0 0\n"
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index 03ff265fe522..e17837f1d3f2 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -118,8 +118,8 @@ static int read_symbol(FILE *in, struct sym_entry *s)
fprintf(stderr, "Read error or end of file.\n");
return -1;
}
- if (strlen(sym) > KSYM_NAME_LEN) {
- fprintf(stderr, "Symbol %s too long for kallsyms (%zu vs %d).\n"
+ if (strlen(sym) >= KSYM_NAME_LEN) {
+ fprintf(stderr, "Symbol %s too long for kallsyms (%zu >= %d).\n"
"Please increase KSYM_NAME_LEN both in kernel and kallsyms.c\n",
sym, strlen(sym), KSYM_NAME_LEN);
return -1;
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index c5333d251985..3350e498b4ce 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1474,7 +1474,7 @@ sub push_parameter($$$$) {
if (!defined $parameterdescs{$param} && $param !~ /^#/) {
$parameterdescs{$param} = $undescribed;
- if (show_warnings($type, $declaration_name)) {
+ if (show_warnings($type, $declaration_name) && $param !~ /\./) {
print STDERR
"${file}:$.: warning: Function parameter or member '$param' not described in '$declaration_name'\n";
++$warnings;
diff --git a/scripts/leaking_addresses.pl b/scripts/leaking_addresses.pl
index 6a897788f5a7..ef9e5b2a1614 100755
--- a/scripts/leaking_addresses.pl
+++ b/scripts/leaking_addresses.pl
@@ -97,7 +97,7 @@ Options:
--32-bit Scan 32-bit kernel.
--page-offset-32-bit=o Page offset (for 32-bit kernel 0xABCD1234).
-d, --debug Display debugging output.
- -h, --help, --version Display this help and exit.
+ -h, --help Display this help and exit.
Scans the running kernel for potential leaking addresses.
@@ -108,7 +108,6 @@ EOM
GetOptions(
'd|debug' => \$debug,
'h|help' => \$help,
- 'version' => \$help,
'o|output-raw=s' => \$output_raw,
'i|input-raw=s' => \$input_raw,
'suppress-dmesg' => \$suppress_dmesg,
@@ -231,7 +230,7 @@ sub get_kernel_config_option
my $tmp_file = "/tmp/tmpkconf";
if (system("gunzip < /proc/config.gz > $tmp_file")) {
- dprint "$0: system(gunzip < /proc/config.gz) failed\n";
+ dprint("system(gunzip < /proc/config.gz) failed\n");
return "";
} else {
@config_files = ($tmp_file);
@@ -243,7 +242,7 @@ sub get_kernel_config_option
}
foreach my $file (@config_files) {
- dprint("parsing config file: %s\n", $file);
+ dprint("parsing config file: $file\n");
$value = option_from_file($option, $file);
if ($value ne "") {
last;
@@ -502,7 +501,7 @@ sub walk
next;
}
- dprint "parsing: $path\n";
+ dprint("parsing: $path\n");
timed_parse_file($path);
}
}
diff --git a/scripts/mod/devicetable-offsets.c b/scripts/mod/devicetable-offsets.c
index 293004499b4d..054405b90ba4 100644
--- a/scripts/mod/devicetable-offsets.c
+++ b/scripts/mod/devicetable-offsets.c
@@ -225,5 +225,11 @@ int main(void)
DEVID_FIELD(typec_device_id, svid);
DEVID_FIELD(typec_device_id, mode);
+ DEVID(tee_client_device_id);
+ DEVID_FIELD(tee_client_device_id, uuid);
+
+ DEVID(wmi_device_id);
+ DEVID_FIELD(wmi_device_id, guid_string);
+
return 0;
}
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index a37af7d71973..e17a29ae2e97 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -37,6 +37,10 @@ typedef unsigned char __u8;
typedef struct {
__u8 b[16];
} uuid_le;
+typedef struct {
+ __u8 b[16];
+} uuid_t;
+#define UUID_STRING_LEN 36
/* Big exception to the "don't include kernel headers into userspace, which
* even potentially has different endianness and word sizes, since
@@ -50,6 +54,9 @@ struct devtable {
int (*do_entry)(const char *filename, void *symval, char *alias);
};
+/* Size of alias provided to do_entry functions */
+#define ALIAS_SIZE 500
+
/* Define a variable f that holds the value of field f of struct devid
* based at address m.
*/
@@ -1287,6 +1294,42 @@ static int do_typec_entry(const char *filename, void *symval, char *alias)
return 1;
}
+/* Looks like: tee:uuid */
+static int do_tee_entry(const char *filename, void *symval, char *alias)
+{
+ DEF_FIELD(symval, tee_client_device_id, uuid);
+
+ sprintf(alias, "tee:%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+ uuid.b[0], uuid.b[1], uuid.b[2], uuid.b[3], uuid.b[4],
+ uuid.b[5], uuid.b[6], uuid.b[7], uuid.b[8], uuid.b[9],
+ uuid.b[10], uuid.b[11], uuid.b[12], uuid.b[13], uuid.b[14],
+ uuid.b[15]);
+
+ add_wildcard(alias);
+ return 1;
+}
+
+/* Looks like: wmi:guid */
+static int do_wmi_entry(const char *filename, void *symval, char *alias)
+{
+ int len;
+ DEF_FIELD_ADDR(symval, wmi_device_id, guid_string);
+
+ if (strlen(*guid_string) != UUID_STRING_LEN) {
+ warn("Invalid WMI device id 'wmi:%s' in '%s'\n",
+ *guid_string, filename);
+ return 0;
+ }
+
+ len = snprintf(alias, ALIAS_SIZE, WMI_MODULE_PREFIX "%s", *guid_string);
+ if (len < 0 || len >= ALIAS_SIZE) {
+ warn("Could not generate all MODULE_ALIAS's in '%s'\n",
+ filename);
+ return 0;
+ }
+ return 1;
+}
+
/* Does namelen bytes of name exactly match the symbol? */
static bool sym_is(const char *name, unsigned namelen, const char *symbol)
{
@@ -1303,7 +1346,7 @@ static void do_table(void *symval, unsigned long size,
struct module *mod)
{
unsigned int i;
- char alias[500];
+ char alias[ALIAS_SIZE];
device_id_check(mod->name, device_id, size, id_size, symval);
/* Leave last one: it's the terminator. */
@@ -1357,6 +1400,8 @@ static const struct devtable devtable[] = {
{"fslmc", SIZE_fsl_mc_device_id, do_fsl_mc_entry},
{"tbsvc", SIZE_tb_service_id, do_tbsvc_entry},
{"typec", SIZE_typec_device_id, do_typec_entry},
+ {"tee", SIZE_tee_client_device_id, do_tee_entry},
+ {"wmi", SIZE_wmi_device_id, do_wmi_entry},
};
/* Create MODULE_ALIAS() statements.
diff --git a/scripts/spdxcheck.py b/scripts/spdxcheck.py
index e559c6294c39..4fe392e507fb 100755
--- a/scripts/spdxcheck.py
+++ b/scripts/spdxcheck.py
@@ -175,7 +175,13 @@ class id_parser(object):
self.lines_checked += 1
if line.find("SPDX-License-Identifier:") < 0:
continue
- expr = line.split(':')[1].replace('*/', '').strip()
+ expr = line.split(':')[1].strip()
+ # Remove trailing comment closure
+ if line.strip().endswith('*/'):
+ expr = expr.rstrip('*/').strip()
+ # Special case for SH magic boot code files
+ if line.startswith('LIST \"'):
+ expr = expr.rstrip('\"').strip()
self.parse(expr)
self.spdx_valid += 1
#
diff --git a/scripts/spelling.txt b/scripts/spelling.txt
index 517d0c3f83df..86b87332b9e5 100644
--- a/scripts/spelling.txt
+++ b/scripts/spelling.txt
@@ -10,6 +10,8 @@
abandonning||abandoning
abigious||ambiguous
abitrate||arbitrate
+abnornally||abnormally
+abnrormal||abnormal
abord||abort
aboslute||absolute
abov||above
@@ -107,6 +109,7 @@ ambigious||ambiguous
amoung||among
amout||amount
amplifer||amplifier
+amplifyer||amplifier
an union||a union
an user||a user
an userspace||a userspace
@@ -145,6 +148,7 @@ artillary||artillery
asign||assign
asser||assert
assertation||assertion
+assertting||asserting
assiged||assigned
assigment||assignment
assigments||assignments
@@ -168,6 +172,8 @@ attachement||attachment
attched||attached
attemps||attempts
attemping||attempting
+attepmpt||attempt
+attnetion||attention
attruibutes||attributes
authentification||authentication
automaticaly||automatically
@@ -217,6 +223,7 @@ boardcast||broadcast
borad||board
boundry||boundary
brievely||briefly
+broadcase||broadcast
broadcat||broadcast
bufufer||buffer
cacluated||calculated
@@ -234,6 +241,7 @@ cancle||cancel
capabilites||capabilities
capabilty||capability
capabitilies||capabilities
+capablity||capability
capatibilities||capabilities
capapbilities||capabilities
caputure||capture
@@ -274,6 +282,7 @@ clared||cleared
closeing||closing
clustred||clustered
coexistance||coexistence
+colescing||coalescing
collapsable||collapsible
colorfull||colorful
comand||command
@@ -290,6 +299,7 @@ comsumer||consumer
comsuming||consuming
compability||compatibility
compaibility||compatibility
+comparsion||comparison
compatability||compatibility
compatable||compatible
compatibiliy||compatibility
@@ -303,6 +313,7 @@ completly||completely
complient||compliant
componnents||components
compoment||component
+comppatible||compatible
compres||compress
compresion||compression
comression||compression
@@ -368,6 +379,8 @@ decsribed||described
decription||description
dectected||detected
defailt||default
+deferal||deferral
+deffered||deferred
defferred||deferred
definate||definite
definately||definitely
@@ -400,6 +413,7 @@ descritptor||descriptor
desctiptor||descriptor
desriptor||descriptor
desriptors||descriptors
+desination||destination
destionation||destination
destoried||destroyed
destory||destroy
@@ -426,7 +440,9 @@ diffrent||different
differenciate||differentiate
diffrentiate||differentiate
difinition||definition
+dimention||dimension
dimesions||dimensions
+dispalying||displaying
diplay||display
directon||direction
direectly||directly
@@ -442,6 +458,7 @@ disbled||disabled
disconnet||disconnect
discontinous||discontinuous
disharge||discharge
+disnabled||disabled
dispertion||dispersion
dissapears||disappears
distiction||distinction
@@ -456,6 +473,7 @@ dorp||drop
dosen||doesn
downlad||download
downlads||downloads
+droped||dropped
druing||during
dynmaic||dynamic
eanable||enable
@@ -471,6 +489,7 @@ elementry||elementary
eletronic||electronic
embeded||embedded
enabledi||enabled
+enble||enable
enchanced||enhanced
encorporating||incorporating
encrupted||encrypted
@@ -479,6 +498,9 @@ encryptio||encryption
endianess||endianness
enhaced||enhanced
enlightnment||enlightenment
+enqueing||enqueuing
+entires||entries
+entites||entities
entrys||entries
enocded||encoded
enterily||entirely
@@ -498,6 +520,8 @@ etsbalishment||establishment
excecutable||executable
exceded||exceeded
excellant||excellent
+execeeded||exceeded
+execeeds||exceeds
exeed||exceed
existance||existence
existant||existent
@@ -506,6 +530,7 @@ exlcude||exclude
exlcusive||exclusive
exmaple||example
expecially||especially
+experies||expires
explicite||explicit
explicitely||explicitly
explict||explicit
@@ -521,6 +546,7 @@ extracter||extractor
faield||failed
falied||failed
faild||failed
+failded||failed
failer||failure
faill||fail
failied||failed
@@ -540,6 +566,7 @@ fetaure||feature
fetaures||features
fileystem||filesystem
fimware||firmware
+firmare||firmware
firware||firmware
finanize||finalize
findn||find
@@ -574,6 +601,7 @@ funtions||functions
furthur||further
futhermore||furthermore
futrue||future
+gauage||gauge
gaurenteed||guaranteed
generiously||generously
genereate||generate
@@ -645,6 +673,7 @@ independed||independent
indiate||indicate
indicat||indicate
inexpect||inexpected
+inferface||interface
infomation||information
informatiom||information
informations||information
@@ -662,14 +691,17 @@ initialiazation||initialization
initializiation||initialization
initialze||initialize
initialzed||initialized
+initialzing||initializing
initilization||initialization
initilize||initialize
inofficial||unofficial
inrerface||interface
insititute||institute
+instace||instance
instal||install
instanciate||instantiate
instanciated||instantiated
+insufficent||insufficient
inteface||interface
integreated||integrated
integrety||integrity
@@ -684,6 +716,8 @@ intermittant||intermittent
internel||internal
interoprability||interoperability
interuupt||interrupt
+interupt||interrupt
+interupts||interrupts
interrface||interface
interrrupt||interrupt
interrup||interrupt
@@ -699,11 +733,14 @@ intialization||initialization
intialized||initialized
intialize||initialize
intregral||integral
+intrerrupt||interrupt
intrrupt||interrupt
intterrupt||interrupt
intuative||intuitive
inavlid||invalid
invaid||invalid
+invaild||invalid
+invailid||invalid
invald||invalid
invalde||invalid
invalide||invalid
@@ -712,6 +749,7 @@ invalud||invalid
invididual||individual
invokation||invocation
invokations||invocations
+ireelevant||irrelevant
irrelevent||irrelevant
isnt||isn't
isssue||issue
@@ -747,6 +785,7 @@ loobpack||loopback
loosing||losing
losted||lost
machinary||machinery
+maibox||mailbox
maintainance||maintenance
maintainence||maintenance
maintan||maintain
@@ -758,14 +797,19 @@ managable||manageable
managment||management
mangement||management
manoeuvering||maneuvering
+manufaucturing||manufacturing
mappping||mapping
matchs||matches
mathimatical||mathematical
mathimatic||mathematic
mathimatics||mathematics
+maximium||maximum
maxium||maximum
mechamism||mechanism
meetign||meeting
+memeory||memory
+memmber||member
+memoery||memory
ment||meant
mergable||mergeable
mesage||message
@@ -779,6 +823,7 @@ migrateable||migratable
milliseonds||milliseconds
minium||minimum
minimam||minimum
+miniumum||minimum
minumum||minimum
misalinged||misaligned
miscelleneous||miscellaneous
@@ -839,6 +884,7 @@ occurence||occurrence
occure||occurred
occured||occurred
occuring||occurring
+offser||offset
offet||offset
offloded||offloaded
omited||omitted
@@ -855,6 +901,7 @@ optmizations||optimizations
orientatied||orientated
orientied||oriented
orignal||original
+originial||original
otherise||otherwise
ouput||output
oustanding||outstanding
@@ -874,6 +921,7 @@ packege||package
packge||package
packtes||packets
pakage||package
+paket||packet
pallette||palette
paln||plan
paramameters||parameters
@@ -886,6 +934,8 @@ paramters||parameters
parmaters||parameters
particuarly||particularly
particularily||particularly
+partion||partition
+partions||partitions
partiton||partition
pased||passed
passin||passing
@@ -897,10 +947,12 @@ peice||piece
pendantic||pedantic
peprocessor||preprocessor
perfoming||performing
+peripherial||peripheral
permissons||permissions
peroid||period
persistance||persistence
persistant||persistent
+phoneticly||phonetically
plalform||platform
platfoem||platform
platfrom||platform
@@ -915,6 +967,7 @@ posible||possible
positon||position
possibilites||possibilities
powerfull||powerful
+pramater||parameter
preamle||preamble
preample||preamble
preapre||prepare
@@ -976,6 +1029,7 @@ psudo||pseudo
psuedo||pseudo
psychadelic||psychedelic
pwoer||power
+queing||queuing
quering||querying
randomally||randomly
raoming||roaming
@@ -1004,6 +1058,7 @@ refering||referring
refernces||references
refernnce||reference
refrence||reference
+registed||registered
registerd||registered
registeration||registration
registeresd||registered
@@ -1018,6 +1073,7 @@ regulamentations||regulations
reigstration||registration
releated||related
relevent||relevant
+reloade||reload
remoote||remote
remore||remote
removeable||removable
@@ -1036,19 +1092,23 @@ requried||required
requst||request
reregisteration||reregistration
reseting||resetting
+reseved||reserved
reseverd||reserved
resizeable||resizable
resouce||resource
resouces||resources
resoures||resources
responce||response
+resrouce||resource
ressizes||resizes
ressource||resource
ressources||resources
restesting||retesting
+resumbmitting||resubmitting
retransmited||retransmitted
retreived||retrieved
retreive||retrieve
+retreiving||retrieving
retrive||retrieve
retuned||returned
reudce||reduce
@@ -1120,6 +1180,7 @@ sleeped||slept
softwares||software
speach||speech
specfic||specific
+specfield||specified
speciefied||specified
specifc||specific
specifed||specified
@@ -1142,7 +1203,10 @@ staion||station
standardss||standards
standartization||standardization
standart||standard
+standy||standby
+stardard||standard
staticly||statically
+statuss||status
stoped||stopped
stoping||stopping
stoppped||stopped
@@ -1227,12 +1291,14 @@ tipically||typically
timeing||timing
timout||timeout
tmis||this
+toogle||toggle
torerable||tolerable
traking||tracking
tramsmitted||transmitted
tramsmit||transmit
tranasction||transaction
tranfer||transfer
+transcevier||transceiver
transciever||transceiver
transferd||transferred
transfered||transferred
@@ -1267,6 +1333,7 @@ unfortunatelly||unfortunately
unifiy||unify
uniterrupted||uninterrupted
unintialized||uninitialized
+unitialized||uninitialized
unkmown||unknown
unknonw||unknown
unknow||unknown
@@ -1291,7 +1358,9 @@ unsuccessfull||unsuccessful
unsuported||unsupported
untill||until
unuseful||useless
+unvalid||invalid
upate||update
+upsupported||unsupported
usefule||useful
usefull||useful
usege||usage
diff --git a/scripts/ver_linux b/scripts/ver_linux
index a6c728db05ce..810e608baa24 100755
--- a/scripts/ver_linux
+++ b/scripts/ver_linux
@@ -13,6 +13,8 @@ BEGIN {
system("uname -a")
printf("\n")
+ vernum = "[0-9]+([.]?[0-9]+)+"
+
printversion("GNU C", version("gcc -dumpversion"))
printversion("GNU Make", version("make --version"))
printversion("Binutils", version("ld -v"))
@@ -34,7 +36,7 @@ BEGIN {
while (getline <"/proc/self/maps" > 0) {
if (/libc.*\.so$/) {
n = split($0, procmaps, "/")
- if (match(procmaps[n], /[0-9]+([.]?[0-9]+)+/)) {
+ if (match(procmaps[n], vernum)) {
ver = substr(procmaps[n], RSTART, RLENGTH)
printversion("Linux C Library", ver)
break
@@ -70,7 +72,7 @@ BEGIN {
function version(cmd, ver) {
cmd = cmd " 2>&1"
while (cmd | getline > 0) {
- if (match($0, /[0-9]+([.]?[0-9]+)+/)) {
+ if (match($0, vernum)) {
ver = substr($0, RSTART, RLENGTH)
break
}