13 files changed, 83 insertions, 85 deletions

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 68d0134bdbf9..1a965fe68e01 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -487,14 +487,14 @@ UIMAGE_OPTS-y ?=
 UIMAGE_TYPE ?= kernel
 UIMAGE_LOADADDR ?= arch_must_set_this
 UIMAGE_ENTRYADDR ?= $(UIMAGE_LOADADDR)
-UIMAGE_NAME ?= 'Linux-$(KERNELRELEASE)'
+UIMAGE_NAME ?= Linux-$(KERNELRELEASE)
 
 quiet_cmd_uimage = UIMAGE  $@
       cmd_uimage = $(BASH) $(MKIMAGE) -A $(UIMAGE_ARCH) -O linux \
 			-C $(UIMAGE_COMPRESSION) $(UIMAGE_OPTS-y) \
 			-T $(UIMAGE_TYPE) \
 			-a $(UIMAGE_LOADADDR) -e $(UIMAGE_ENTRYADDR) \
-			-n $(UIMAGE_NAME) -d $< $@
+			-n '$(UIMAGE_NAME)' -d $< $@
 
 # XZ
 # ---------------------------------------------------------------------------
diff --git a/scripts/Makefile.vdsoinst b/scripts/Makefile.vdsoinst
index 1022d9fdd976..c477d17b0aa5 100644
--- a/scripts/Makefile.vdsoinst
+++ b/scripts/Makefile.vdsoinst
@@ -22,7 +22,7 @@ $$(dest): $$(src) FORCE
 
 # Some architectures create .build-id symlinks
 ifneq ($(filter arm sparc x86, $(SRCARCH)),)
-link := $(install-dir)/.build-id/$$(shell $(READELF) -n $$(src) | sed -n 's@^.*Build ID: \(..\)\(.*\)@\1/\2@p')
+link := $(install-dir)/.build-id/$$(shell $(READELF) -n $$(src) | sed -n 's@^.*Build ID: \(..\)\(.*\)@\1/\2@p').debug
 
 __default: $$(link)
 $$(link): $$(dest) FORCE
diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
index 84f5fb7f1cec..f27d552aec43 100755
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -97,8 +97,7 @@ my (@stack, $re, $dre, $sub, $x, $xs, $funcre, $min_stack);
 		#   11160:       a7 fb ff 60             aghi   %r15,-160
 		# or
 		#  100092:	 e3 f0 ff c8 ff 71	 lay	 %r15,-56(%r15)
-		$re = qr/.*(?:lay|ag?hi).*\%r15,-(([0-9]{2}|[3-9])[0-9]{2})
-		      (?:\(\%r15\))?$/ox;
+		$re = qr/.*(?:lay|ag?hi).*\%r15,-([0-9]+)(?:\(\%r15\))?$/o;
 	} elsif ($arch eq 'sparc' || $arch eq 'sparc64') {
 		# f0019d10:       9d e3 bf 90     save  %sp, -112, %sp
 		$re = qr/.*save.*%sp, -(([0-9]{2}|[3-9])[0-9]{2}), %sp/o;
@@ -139,15 +138,11 @@ $total_size = 0;
 while (my $line = <STDIN>) {
 	if ($line =~ m/$funcre/) {
 		$func = $1;
-		next if $line !~ m/^($xs*)/;
+		next if $line !~ m/^($x*)/;
 		if ($total_size > $min_stack) {
 			push @stack, "$intro$total_size\n";
 		}
-
-		$addr = $1;
-		$addr =~ s/ /0/g;
-		$addr = "0x$addr";
-
+		$addr = "0x$1";
 		$intro = "$addr $func [$file]:";
 		my $padlen = 56 - length($intro);
 		while ($padlen > 0) {
diff --git a/scripts/clang-tools/gen_compile_commands.py b/scripts/clang-tools/gen_compile_commands.py
index 180952fb91c1..5dea4479240b 100755
--- a/scripts/clang-tools/gen_compile_commands.py
+++ b/scripts/clang-tools/gen_compile_commands.py
@@ -64,7 +64,7 @@ def parse_arguments():
     args = parser.parse_args()
 
     return (args.log_level,
-            os.path.abspath(args.directory),
+            os.path.realpath(args.directory),
             args.output,
             args.ar,
             args.paths if len(args.paths) > 0 else [args.directory])
@@ -172,8 +172,8 @@ def process_line(root_directory, command_prefix, file_path):
     # by Make, so this code replaces the escaped version with '#'.
     prefix = command_prefix.replace('\#', '#').replace('$(pound)', '#')
 
-    # Use os.path.abspath() to normalize the path resolving '.' and '..' .
-    abs_path = os.path.abspath(os.path.join(root_directory, file_path))
+    # Return the canonical path, eliminating any symbolic links encountered in the path.
+    abs_path = os.path.realpath(os.path.join(root_directory, file_path))
     if not os.path.exists(abs_path):
         raise ValueError('File %s not found' % abs_path)
     return {
diff --git a/scripts/dtc/dt-extract-compatibles b/scripts/dtc/dt-extract-compatibles
index bd07477dd144..5ffb2364409b 100755
--- a/scripts/dtc/dt-extract-compatibles
+++ b/scripts/dtc/dt-extract-compatibles
@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
 # SPDX-License-Identifier: GPL-2.0-only
 
+import fnmatch
 import os
-import glob
 import re
 import argparse
 
@@ -81,10 +81,20 @@ def print_compat(filename, compatibles):
 	else:
 		print(*compatibles, sep='\n')
 
+def glob_without_symlinks(root, glob):
+	for path, dirs, files in os.walk(root):
+		# Ignore hidden directories
+		for d in dirs:
+			if fnmatch.fnmatch(d, ".*"):
+				dirs.remove(d)
+		for f in files:
+			if fnmatch.fnmatch(f, glob):
+				yield os.path.join(path, f)
+
 def files_to_parse(path_args):
 	for f in path_args:
 		if os.path.isdir(f):
-			for filename in glob.iglob(f + "/**/*.c", recursive=True):
+			for filename in glob_without_symlinks(f, "*.c"):
 				yield filename
 		else:
 			yield f
diff --git a/scripts/gcc-plugins/latent_entropy_plugin.c b/scripts/gcc-plugins/latent_entropy_plugin.c
index 39e86be60dd2..ff0b192be91f 100644
--- a/scripts/gcc-plugins/latent_entropy_plugin.c
+++ b/scripts/gcc-plugins/latent_entropy_plugin.c
@@ -17,7 +17,7 @@
  *	if (argc <= 1)
  *		printf("%s: no command arguments :(\n", *argv);
  *	else
- *		printf("%s: %d command arguments!\n", *argv, args - 1);
+ *		printf("%s: %d command arguments!\n", *argv, argc - 1);
  * }
  *
  * after:
@@ -47,7 +47,7 @@
  *		// perturb_local_entropy()
  *	} else {
  *		local_entropy ^= 3896280633962944730;
- *		printf("%s: %d command arguments!\n", *argv, args - 1);
+ *		printf("%s: %d command arguments!\n", *argv, argc - 1);
  *	}
  *
  *	// latent_entropy_execute() 4.
diff --git a/scripts/gcc-plugins/randomize_layout_plugin.c b/scripts/gcc-plugins/randomize_layout_plugin.c
index 366395cab490..746ff2d272f2 100644
--- a/scripts/gcc-plugins/randomize_layout_plugin.c
+++ b/scripts/gcc-plugins/randomize_layout_plugin.c
@@ -278,8 +278,6 @@ static bool is_flexible_array(const_tree field)
 {
 	const_tree fieldtype;
 	const_tree typesize;
-	const_tree elemtype;
-	const_tree elemsize;
 
 	fieldtype = TREE_TYPE(field);
 	typesize = TYPE_SIZE(fieldtype);
@@ -287,20 +285,12 @@ static bool is_flexible_array(const_tree field)
 	if (TREE_CODE(fieldtype) != ARRAY_TYPE)
 		return false;
 
-	elemtype = TREE_TYPE(fieldtype);
-	elemsize = TYPE_SIZE(elemtype);
-
 	/* size of type is represented in bits */
 
 	if (typesize == NULL_TREE && TYPE_DOMAIN(fieldtype) != NULL_TREE &&
 	    TYPE_MAX_VALUE(TYPE_DOMAIN(fieldtype)) == NULL_TREE)
 		return true;
 
-	if (typesize != NULL_TREE &&
-	    (TREE_CONSTANT(typesize) && (!tree_to_uhwi(typesize) ||
-	     tree_to_uhwi(typesize) == tree_to_uhwi(elemsize))))
-		return true;
-
 	return false;
 }
 
@@ -349,8 +339,7 @@ static int relayout_struct(tree type)
 
 	/*
 	 * enforce that we don't randomize the layout of the last
-	 * element of a struct if it's a 0 or 1-length array
-	 * or a proper flexible array
+	 * element of a struct if it's a proper flexible array
 	 */
 	if (is_flexible_array(newtree[num_fields - 1])) {
 		has_flexarray = true;
diff --git a/scripts/gdb/linux/device.py b/scripts/gdb/linux/device.py
index 16376c5cfec6..0eabc5f4f8ca 100644
--- a/scripts/gdb/linux/device.py
+++ b/scripts/gdb/linux/device.py
@@ -36,26 +36,26 @@ def for_each_bus():
     for kobj in kset_for_each_object(gdb.parse_and_eval('bus_kset')):
         subsys = container_of(kobj, kset_type.get_type().pointer(), 'kobj')
         subsys_priv = container_of(subsys, subsys_private_type.get_type().pointer(), 'subsys')
-        yield subsys_priv['bus']
+        yield subsys_priv
 
 
 def for_each_class():
     for kobj in kset_for_each_object(gdb.parse_and_eval('class_kset')):
         subsys = container_of(kobj, kset_type.get_type().pointer(), 'kobj')
         subsys_priv = container_of(subsys, subsys_private_type.get_type().pointer(), 'subsys')
-        yield subsys_priv['class']
+        yield subsys_priv
 
 
 def get_bus_by_name(name):
     for item in for_each_bus():
-        if item['name'].string() == name:
+        if item['bus']['name'].string() == name:
             return item
     raise gdb.GdbError("Can't find bus type {!r}".format(name))
 
 
 def get_class_by_name(name):
     for item in for_each_class():
-        if item['name'].string() == name:
+        if item['class']['name'].string() == name:
             return item
     raise gdb.GdbError("Can't find device class {!r}".format(name))
 
@@ -70,13 +70,13 @@ def klist_for_each(klist):
 
 
 def bus_for_each_device(bus):
-    for kn in klist_for_each(bus['p']['klist_devices']):
+    for kn in klist_for_each(bus['klist_devices']):
         dp = container_of(kn, device_private_type.get_type().pointer(), 'knode_bus')
         yield dp['device']
 
 
 def class_for_each_device(cls):
-    for kn in klist_for_each(cls['p']['klist_devices']):
+    for kn in klist_for_each(cls['klist_devices']):
         dp = container_of(kn, device_private_type.get_type().pointer(), 'knode_class')
         yield dp['device']
 
@@ -103,7 +103,7 @@ class LxDeviceListBus(gdb.Command):
     def invoke(self, arg, from_tty):
         if not arg:
             for bus in for_each_bus():
-                gdb.write('bus {}:\t{}\n'.format(bus['name'].string(), bus))
+                gdb.write('bus {}:\t{}\n'.format(bus['bus']['name'].string(), bus))
                 for dev in bus_for_each_device(bus):
                     _show_device(dev, level=1)
         else:
@@ -123,7 +123,7 @@ class LxDeviceListClass(gdb.Command):
     def invoke(self, arg, from_tty):
         if not arg:
             for cls in for_each_class():
-                gdb.write("class {}:\t{}\n".format(cls['name'].string(), cls))
+                gdb.write("class {}:\t{}\n".format(cls['class']['name'].string(), cls))
                 for dev in class_for_each_device(cls):
                     _show_device(dev, level=1)
         else:
diff --git a/scripts/gdb/linux/tasks.py b/scripts/gdb/linux/tasks.py
index 17ec19e9b5bf..aa5ab6251f76 100644
--- a/scripts/gdb/linux/tasks.py
+++ b/scripts/gdb/linux/tasks.py
@@ -13,7 +13,7 @@
 
 import gdb
 
-from linux import utils
+from linux import utils, lists
 
 
 task_type = utils.CachedType("struct task_struct")
@@ -22,19 +22,15 @@ task_type = utils.CachedType("struct task_struct")
 def task_lists():
     task_ptr_type = task_type.get_type().pointer()
     init_task = gdb.parse_and_eval("init_task").address
-    t = g = init_task
+    t = init_task
 
     while True:
-        while True:
-            yield t
+        thread_head = t['signal']['thread_head']
+        for thread in lists.list_for_each_entry(thread_head, task_ptr_type, 'thread_node'):
+            yield thread
 
-            t = utils.container_of(t['thread_group']['next'],
-                                   task_ptr_type, "thread_group")
-            if t == g:
-                break
-
-        t = g = utils.container_of(g['tasks']['next'],
-                                   task_ptr_type, "tasks")
+        t = utils.container_of(t['tasks']['next'],
+                               task_ptr_type, "tasks")
         if t == init_task:
             return
 
diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index 16d8ac6005b6..ee1aed7e090c 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -20,6 +20,7 @@ use Getopt::Long qw(:config no_auto_abbrev);
 use Cwd;
 use File::Find;
 use File::Spec::Functions;
+use open qw(:std :encoding(UTF-8));
 
 my $cur_path = fastgetcwd() . '/';
 my $lk_path = "./";
@@ -445,7 +446,7 @@ sub maintainers_in_file {
 	my $text = do { local($/) ; <$f> };
 	close($f);
 
-	my @poss_addr = $text =~ m$[A-Za-zÀ-ÿ\"\' \,\.\+-]*\s*[\,]*\s*[\(\<\{]{0,1}[A-Za-z0-9_\.\+-]+\@[A-Za-z0-9\.-]+\.[A-Za-z0-9]+[\)\>\}]{0,1}$g;
+	my @poss_addr = $text =~ m$[\p{L}\"\' \,\.\+-]*\s*[\,]*\s*[\(\<\{]{0,1}[A-Za-z0-9_\.\+-]+\@[A-Za-z0-9\.-]+\.[A-Za-z0-9]+[\)\>\}]{0,1}$g;
 	push(@file_emails, clean_file_emails(@poss_addr));
     }
 }
@@ -1152,6 +1153,17 @@ sub top_of_kernel_tree {
     return 0;
 }
 
+sub escape_name {
+    my ($name) = @_;
+
+    if ($name =~ /[^\w \-]/ai) {  	 ##has "must quote" chars
+	$name =~ s/(?<!\\)"/\\"/g;       ##escape quotes
+	$name = "\"$name\"";
+    }
+
+    return $name;
+}
+
 sub parse_email {
     my ($formatted_email) = @_;
 
@@ -1169,13 +1181,9 @@ sub parse_email {
 
     $name =~ s/^\s+|\s+$//g;
     $name =~ s/^\"|\"$//g;
+    $name = escape_name($name);
     $address =~ s/^\s+|\s+$//g;
 
-    if ($name =~ /[^\w \-]/i) {  	 ##has "must quote" chars
-	$name =~ s/(?<!\\)"/\\"/g;       ##escape quotes
-	$name = "\"$name\"";
-    }
-
     return ($name, $address);
 }
 
@@ -1186,13 +1194,9 @@ sub format_email {
 
     $name =~ s/^\s+|\s+$//g;
     $name =~ s/^\"|\"$//g;
+    $name = escape_name($name);
     $address =~ s/^\s+|\s+$//g;
 
-    if ($name =~ /[^\w \-]/i) {          ##has "must quote" chars
-	$name =~ s/(?<!\\)"/\\"/g;       ##escape quotes
-	$name = "\"$name\"";
-    }
-
     if ($usename) {
 	if ("$name" eq "") {
 	    $formatted_email = "$address";
@@ -2458,17 +2462,23 @@ sub clean_file_emails {
     foreach my $email (@file_emails) {
 	$email =~ s/[\(\<\{]{0,1}([A-Za-z0-9_\.\+-]+\@[A-Za-z0-9\.-]+)[\)\>\}]{0,1}/\<$1\>/g;
 	my ($name, $address) = parse_email($email);
-	if ($name eq '"[,\.]"') {
-	    $name = "";
-	}
 
-	my @nw = split(/[^A-Za-zÀ-ÿ\'\,\.\+-]/, $name);
+	# Strip quotes for easier processing, format_email will add them back
+	$name =~ s/^"(.*)"$/$1/;
+
+	# Split into name-like parts and remove stray punctuation particles
+	my @nw = split(/[^\p{L}\'\,\.\+-]/, $name);
+	@nw = grep(!/^[\'\,\.\+-]$/, @nw);
+
+	# Make a best effort to extract the name, and only the name, by taking
+	# only the last two names, or in the case of obvious initials, the last
+	# three names.
 	if (@nw > 2) {
 	    my $first = $nw[@nw - 3];
 	    my $middle = $nw[@nw - 2];
 	    my $last = $nw[@nw - 1];
 
-	    if (((length($first) == 1 && $first =~ m/[A-Za-z]/) ||
+	    if (((length($first) == 1 && $first =~ m/\p{L}/) ||
 		 (length($first) == 2 && substr($first, -1) eq ".")) ||
 		(length($middle) == 1 ||
 		 (length($middle) == 2 && substr($middle, -1) eq "."))) {
@@ -2476,18 +2486,16 @@ sub clean_file_emails {
 	    } else {
 		$name = "$middle $last";
 	    }
+	} else {
+	    $name = "@nw";
 	}
 
 	if (substr($name, -1) =~ /[,\.]/) {
 	    $name = substr($name, 0, length($name) - 1);
-	} elsif (substr($name, -2) =~ /[,\.]"/) {
-	    $name = substr($name, 0, length($name) - 2) . '"';
 	}
 
 	if (substr($name, 0, 1) =~ /[,\.]/) {
 	    $name = substr($name, 1, length($name) - 1);
-	} elsif (substr($name, 0, 2) =~ /"[,\.]/) {
-	    $name = '"' . substr($name, 2, length($name) - 2);
 	}
 
 	my $fmt_email = format_email($name, $address, $email_usename);
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index 0572330bf8a7..a76925b46ce6 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -122,9 +122,9 @@ static long long sym_get_range_val(struct symbol *sym, int base)
 static void sym_validate_range(struct symbol *sym)
 {
 	struct property *prop;
+	struct symbol *range_sym;
 	int base;
 	long long val, val2;
-	char str[64];
 
 	switch (sym->type) {
 	case S_INT:
@@ -140,17 +140,15 @@ static void sym_validate_range(struct symbol *sym)
 	if (!prop)
 		return;
 	val = strtoll(sym->curr.val, NULL, base);
-	val2 = sym_get_range_val(prop->expr->left.sym, base);
+	range_sym = prop->expr->left.sym;
+	val2 = sym_get_range_val(range_sym, base);
 	if (val >= val2) {
-		val2 = sym_get_range_val(prop->expr->right.sym, base);
+		range_sym = prop->expr->right.sym;
+		val2 = sym_get_range_val(range_sym, base);
 		if (val <= val2)
 			return;
 	}
-	if (sym->type == S_INT)
-		sprintf(str, "%lld", val2);
-	else
-		sprintf(str, "0x%llx", val2);
-	sym->curr.val = xstrdup(str);
+	sym->curr.val = range_sym->curr.val;
 }
 
 static void sym_set_changed(struct symbol *sym)
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 973b5e5ae2dd..cb6406f485a9 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -1383,13 +1383,15 @@ static void section_rela(struct module *mod, struct elf_info *elf,
 	const Elf_Rela *rela;
 
 	for (rela = start; rela < stop; rela++) {
+		Elf_Sym *tsym;
 		Elf_Addr taddr, r_offset;
 		unsigned int r_type, r_sym;
 
 		r_offset = TO_NATIVE(rela->r_offset);
 		get_rel_type_and_sym(elf, rela->r_info, &r_type, &r_sym);
 
-		taddr = TO_NATIVE(rela->r_addend);
+		tsym = elf->symtab_start + r_sym;
+		taddr = tsym->st_value + TO_NATIVE(rela->r_addend);
 
 		switch (elf->hdr->e_machine) {
 		case EM_RISCV:
@@ -1404,7 +1406,7 @@ static void section_rela(struct module *mod, struct elf_info *elf,
 			break;
 		}
 
-		check_section_mismatch(mod, elf, elf->symtab_start + r_sym,
+		check_section_mismatch(mod, elf, tsym,
 				       fsecndx, fromsec, r_offset, taddr);
 	}
 }
diff --git a/scripts/sign-file.c b/scripts/sign-file.c
index 598ef5465f82..3edb156ae52c 100644
--- a/scripts/sign-file.c
+++ b/scripts/sign-file.c
@@ -322,7 +322,7 @@ int main(int argc, char **argv)
 				     CMS_NOSMIMECAP | use_keyid |
 				     use_signed_attrs),
 		    "CMS_add1_signer");
-		ERR(CMS_final(cms, bm, NULL, CMS_NOCERTS | CMS_BINARY) < 0,
+		ERR(CMS_final(cms, bm, NULL, CMS_NOCERTS | CMS_BINARY) != 1,
 		    "CMS_final");
 
 #else
@@ -341,10 +341,10 @@ int main(int argc, char **argv)
 			b = BIO_new_file(sig_file_name, "wb");
 			ERR(!b, "%s", sig_file_name);
 #ifndef USE_PKCS7
-			ERR(i2d_CMS_bio_stream(b, cms, NULL, 0) < 0,
+			ERR(i2d_CMS_bio_stream(b, cms, NULL, 0) != 1,
 			    "%s", sig_file_name);
 #else
-			ERR(i2d_PKCS7_bio(b, pkcs7) < 0,
+			ERR(i2d_PKCS7_bio(b, pkcs7) != 1,
 			    "%s", sig_file_name);
 #endif
 			BIO_free(b);
@@ -374,9 +374,9 @@ int main(int argc, char **argv)
 
 	if (!raw_sig) {
 #ifndef USE_PKCS7
-		ERR(i2d_CMS_bio_stream(bd, cms, NULL, 0) < 0, "%s", dest_name);
+		ERR(i2d_CMS_bio_stream(bd, cms, NULL, 0) != 1, "%s", dest_name);
 #else
-		ERR(i2d_PKCS7_bio(bd, pkcs7) < 0, "%s", dest_name);
+		ERR(i2d_PKCS7_bio(bd, pkcs7) != 1, "%s", dest_name);
 #endif
 	} else {
 		BIO *b;
@@ -396,7 +396,7 @@ int main(int argc, char **argv)
 	ERR(BIO_write(bd, &sig_info, sizeof(sig_info)) < 0, "%s", dest_name);
 	ERR(BIO_write(bd, magic_number, sizeof(magic_number) - 1) < 0, "%s", dest_name);
 
-	ERR(BIO_free(bd) < 0, "%s", dest_name);
+	ERR(BIO_free(bd) != 1, "%s", dest_name);
 
 	/* Finally, if we're signing in place, replace the original. */
 	if (replace_orig)