Summary:
Fix PR22407, where the Lexer overflows the buffer when parsing
#include<\
(end of file after slash)
Test Plan:
Added a test that will trigger in asan build.
This case is also covered by the clang-fuzzer bot.
Reviewers: rnk
Reviewed By: rnk
Subscribers: cfe-commits
Differential Revision: http://reviews.llvm.org/D9489
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@236466
91177308-0d34-0410-b5e6-
96231b3b80d8
char C = getAndAdvanceChar(CurPtr, Result);
while (C != '>') {
// Skip escaped characters.
- if (C == '\\') {
+ if (C == '\\' && CurPtr < BufferEnd) {
// Skip the escaped character.
getAndAdvanceChar(CurPtr, Result);
} else if (C == '\n' || C == '\r' || // Newline.
--- /dev/null
+// RUN: %clang_cc1 %s -verify
+// vim: set binary noeol:
+
+// This file intentionally ends without a \n on the last line. Make sure your
+// editor doesn't add one.
+
+// expected-error@+1{{expected "FILENAME" or <FILENAME>}}
+#include <\
\ No newline at end of file