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authorKhem Raj <raj.khem@gmail.com>2017-08-14 22:42:44 -0700
committerRichard Purdie <richard.purdie@linuxfoundation.org>2017-08-16 00:06:15 +0100
commitdbf718d1baef64ee01431c4134b492cf94bcb4b8 (patch)
tree9dfbc7d01a16fb4583d621e2bb87e58e7ce78368 /meta/recipes-devtools/gcc/gcc-7.2/fix-segmentation-fault-precompiled-hdr.patch
parentebba8c2999fc6cf94eca988f8d942acd9f0137ba (diff)
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gcc: Upgrade to 7.2.0 release
Drop upstreamed patches Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-7.2/fix-segmentation-fault-precompiled-hdr.patch')
-rw-r--r--meta/recipes-devtools/gcc/gcc-7.2/fix-segmentation-fault-precompiled-hdr.patch49
1 files changed, 49 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-7.2/fix-segmentation-fault-precompiled-hdr.patch b/meta/recipes-devtools/gcc/gcc-7.2/fix-segmentation-fault-precompiled-hdr.patch
new file mode 100644
index 0000000000..c0adef6f2f
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-7.2/fix-segmentation-fault-precompiled-hdr.patch
@@ -0,0 +1,49 @@
+
+Prevent a segmentation fault which occurs when using incorrect
+structure trying to access name of some named operators, such as
+CPP_NOT, CPP_AND etc. "token->val.node.spelling" cannot be used in
+those cases, as is may not be initialized at all.
+
+
+[YOCTO #11738]
+
+Upstream-Status: Pending
+
+Signed-off-by: Juro Bystricky <juro.bystricky@intel.com>
+
+diff --git a/libcpp/lex.c b/libcpp/lex.c
+--- a/libcpp/lex.c
++++ b/libcpp/lex.c
+@@ -3229,11 +3229,27 @@
+ spell_ident:
+ case SPELL_IDENT:
+ if (forstring)
+- {
+- memcpy (buffer, NODE_NAME (token->val.node.spelling),
+- NODE_LEN (token->val.node.spelling));
+- buffer += NODE_LEN (token->val.node.spelling);
+- }
++ {
++ if (token->type == CPP_NAME)
++ {
++ memcpy (buffer, NODE_NAME (token->val.node.spelling),
++ NODE_LEN (token->val.node.spelling));
++ buffer += NODE_LEN (token->val.node.spelling);
++ break;
++ }
++ /* NAMED_OP, cannot use node.spelling */
++ if (token->flags & NAMED_OP)
++ {
++ const char *str = cpp_named_operator2name (token->type);
++ if (str)
++ {
++ size_t len = strlen(str);
++ memcpy(buffer, str, len);
++ buffer += len;
++ }
++ break;
++ }
++ }
+ else
+ buffer = _cpp_spell_ident_ucns (buffer, token->val.node.node);
+ break;