diff options
Diffstat (limited to 'poky/meta/recipes-devtools/binutils/binutils/CVE-2018-17358.patch')
| -rw-r--r-- | poky/meta/recipes-devtools/binutils/binutils/CVE-2018-17358.patch | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/poky/meta/recipes-devtools/binutils/binutils/CVE-2018-17358.patch b/poky/meta/recipes-devtools/binutils/binutils/CVE-2018-17358.patch deleted file mode 100644 index d5a1ea1dc..000000000 --- a/poky/meta/recipes-devtools/binutils/binutils/CVE-2018-17358.patch +++ /dev/null @@ -1,121 +0,0 @@ -From 30838132997e6a3cfe3ec11c58b32b22f6f6b102 Mon Sep 17 00:00:00 2001 -From: Alan Modra <amodra@gmail.com> -Date: Thu, 20 Sep 2018 15:29:17 +0930 -Subject: [PATCH] Bug 23686, two segment faults in nm - -Fixes the bugs exposed by the testcases in the PR, plus two more bugs -I noticed when looking at _bfd_stab_section_find_nearest_line. - - PR 23686 - * dwarf2.c (read_section): Error when attempting to malloc - "(bfd_size_type) -1". - * syms.c (_bfd_stab_section_find_nearest_line): Bounds check - function_name. Bounds check reloc address. Formatting. Ensure - .stabstr zero terminated. -CVE: CVE-2018-17358 and CVE-2018-17359 -Upstream-Status: Backport -Signed-off-by: Zhixiong Chi <zhixiong.chi@windriver.com> ---- - bfd/ChangeLog | 9 +++++++++ - bfd/dwarf2.c | 9 ++++++++- - bfd/syms.c | 22 ++++++++++++++++------ - 3 files changed, 33 insertions(+), 7 deletions(-) - ---- a/bfd/dwarf2.c -+++ b/bfd/dwarf2.c -@@ -527,6 +527,7 @@ read_section (bfd * abfd, - asection *msec; - const char *section_name = sec->uncompressed_name; - bfd_byte *contents = *section_buffer; -+ bfd_size_type amt; - - /* The section may have already been read. */ - if (contents == NULL) -@@ -549,7 +550,13 @@ read_section (bfd * abfd, - *section_size = msec->rawsize ? msec->rawsize : msec->size; - /* Paranoia - alloc one extra so that we can make sure a string - section is NUL terminated. */ -- contents = (bfd_byte *) bfd_malloc (*section_size + 1); -+ amt = *section_size + 1; -+ if (amt == 0) -+ { -+ bfd_set_error (bfd_error_no_memory); -+ return FALSE; -+ } -+ contents = (bfd_byte *) bfd_malloc (amt); - if (contents == NULL) - return FALSE; - if (syms ---- a/bfd/syms.c -+++ b/bfd/syms.c -@@ -1035,6 +1035,10 @@ _bfd_stab_section_find_nearest_line (bfd - 0, strsize)) - return FALSE; - -+ /* Stab strings ought to be nul terminated. Ensure the last one -+ is, to prevent running off the end of the buffer. */ -+ info->strs[strsize - 1] = 0; -+ - /* If this is a relocatable object file, we have to relocate - the entries in .stab. This should always be simple 32 bit - relocations against symbols defined in this object file, so -@@ -1073,7 +1077,8 @@ _bfd_stab_section_find_nearest_line (bfd - || r->howto->bitsize != 32 - || r->howto->pc_relative - || r->howto->bitpos != 0 -- || r->howto->dst_mask != 0xffffffff) -+ || r->howto->dst_mask != 0xffffffff -+ || r->address * bfd_octets_per_byte (abfd) + 4 > stabsize) - { - _bfd_error_handler - (_("unsupported .stab relocation")); -@@ -1195,7 +1200,8 @@ _bfd_stab_section_find_nearest_line (bfd - { - nul_fun = stab; - nul_str = str; -- if (file_name >= (char *) info->strs + strsize || file_name < (char *) str) -+ if (file_name >= (char *) info->strs + strsize -+ || file_name < (char *) str) - file_name = NULL; - if (stab + STABSIZE + TYPEOFF < info->stabs + stabsize - && *(stab + STABSIZE + TYPEOFF) == (bfd_byte) N_SO) -@@ -1206,7 +1212,8 @@ _bfd_stab_section_find_nearest_line (bfd - directory_name = file_name; - file_name = ((char *) str - + bfd_get_32 (abfd, stab + STRDXOFF)); -- if (file_name >= (char *) info->strs + strsize || file_name < (char *) str) -+ if (file_name >= (char *) info->strs + strsize -+ || file_name < (char *) str) - file_name = NULL; - } - } -@@ -1217,7 +1224,8 @@ _bfd_stab_section_find_nearest_line (bfd - file_name = (char *) str + bfd_get_32 (abfd, stab + STRDXOFF); - /* PR 17512: file: 0c680a1f. */ - /* PR 17512: file: 5da8aec4. */ -- if (file_name >= (char *) info->strs + strsize || file_name < (char *) str) -+ if (file_name >= (char *) info->strs + strsize -+ || file_name < (char *) str) - file_name = NULL; - break; - -@@ -1226,7 +1234,8 @@ _bfd_stab_section_find_nearest_line (bfd - function_name = (char *) str + bfd_get_32 (abfd, stab + STRDXOFF); - if (function_name == (char *) str) - continue; -- if (function_name >= (char *) info->strs + strsize) -+ if (function_name >= (char *) info->strs + strsize -+ || function_name < (char *) str) - function_name = NULL; - - nul_fun = NULL; -@@ -1335,7 +1344,8 @@ _bfd_stab_section_find_nearest_line (bfd - if (val <= offset) - { - file_name = (char *) str + bfd_get_32 (abfd, stab + STRDXOFF); -- if (file_name >= (char *) info->strs + strsize || file_name < (char *) str) -+ if (file_name >= (char *) info->strs + strsize -+ || file_name < (char *) str) - file_name = NULL; - *pline = 0; - } |
