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-rw-r--r--scripts/gcc-x86_32-has-stack-protector.sh8
-rw-r--r--scripts/gcc-x86_64-has-stack-protector.sh6
-rw-r--r--scripts/mod/modpost.c5
3 files changed, 16 insertions, 3 deletions
diff --git a/scripts/gcc-x86_32-has-stack-protector.sh b/scripts/gcc-x86_32-has-stack-protector.sh
new file mode 100644
index 000000000000..29493dc4528d
--- /dev/null
+++ b/scripts/gcc-x86_32-has-stack-protector.sh
@@ -0,0 +1,8 @@
1#!/bin/sh
2
3echo "int foo(void) { char X[200]; return 3; }" | $* -S -xc -c -O0 -fstack-protector - -o - 2> /dev/null | grep -q "%gs"
4if [ "$?" -eq "0" ] ; then
5 echo y
6else
7 echo n
8fi
diff --git a/scripts/gcc-x86_64-has-stack-protector.sh b/scripts/gcc-x86_64-has-stack-protector.sh
index 325c0a1b03b6..afaec618b395 100644
--- a/scripts/gcc-x86_64-has-stack-protector.sh
+++ b/scripts/gcc-x86_64-has-stack-protector.sh
@@ -1,6 +1,8 @@
1#!/bin/sh 1#!/bin/sh
2 2
3echo "int foo(void) { char X[200]; return 3; }" | $1 -S -xc -c -O0 -mcmodel=kernel -fstack-protector - -o - 2> /dev/null | grep -q "%gs" 3echo "int foo(void) { char X[200]; return 3; }" | $* -S -xc -c -O0 -mcmodel=kernel -fstack-protector - -o - 2> /dev/null | grep -q "%gs"
4if [ "$?" -eq "0" ] ; then 4if [ "$?" -eq "0" ] ; then
5 echo $2 5 echo y
6else
7 echo n
6fi 8fi
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 88921611b22e..7e62303133dc 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -415,8 +415,9 @@ static int parse_elf(struct elf_info *info, const char *filename)
415 const char *secstrings 415 const char *secstrings
416 = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset; 416 = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset;
417 const char *secname; 417 const char *secname;
418 int nobits = sechdrs[i].sh_type == SHT_NOBITS;
418 419
419 if (sechdrs[i].sh_offset > info->size) { 420 if (!nobits && sechdrs[i].sh_offset > info->size) {
420 fatal("%s is truncated. sechdrs[i].sh_offset=%lu > " 421 fatal("%s is truncated. sechdrs[i].sh_offset=%lu > "
421 "sizeof(*hrd)=%zu\n", filename, 422 "sizeof(*hrd)=%zu\n", filename,
422 (unsigned long)sechdrs[i].sh_offset, 423 (unsigned long)sechdrs[i].sh_offset,
@@ -425,6 +426,8 @@ static int parse_elf(struct elf_info *info, const char *filename)
425 } 426 }
426 secname = secstrings + sechdrs[i].sh_name; 427 secname = secstrings + sechdrs[i].sh_name;
427 if (strcmp(secname, ".modinfo") == 0) { 428 if (strcmp(secname, ".modinfo") == 0) {
429 if (nobits)
430 fatal("%s has NOBITS .modinfo\n", filename);
428 info->modinfo = (void *)hdr + sechdrs[i].sh_offset; 431 info->modinfo = (void *)hdr + sechdrs[i].sh_offset;
429 info->modinfo_len = sechdrs[i].sh_size; 432 info->modinfo_len = sechdrs[i].sh_size;
430 } else if (strcmp(secname, "__ksymtab") == 0) 433 } else if (strcmp(secname, "__ksymtab") == 0)