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BASH PATCH REPORT
=================
Bash-Release: 4.3
Patch-ID: bash43-026
Bug-Reported-by: Tavis Ormandy <taviso@cmpxchg8b.com>
Bug-Reference-ID:
Bug-Reference-URL: http://twitter.com/taviso/statuses/514887394294652929
Bug-Description:
Under certain circumstances, bash can incorrectly save a lookahead character and
return it on a subsequent call, even when reading a new line.
Index: b/parse.y
===================================================================
--- a/parse.y
+++ b/parse.y
@@ -2953,6 +2953,8 @@ reset_parser ()
FREE (word_desc_to_read);
word_desc_to_read = (WORD_DESC *)NULL;
+ eol_ungetc_lookahead = 0;
+
current_token = '\n'; /* XXX */
last_read_token = '\n';
token_to_read = '\n';
Index: b/patchlevel.h
===================================================================
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 25
+#define PATCHLEVEL 26
#endif /* _PATCHLEVEL_H_ */
Index: b/y.tab.c
===================================================================
--- a/y.tab.c
+++ b/y.tab.c
@@ -5265,6 +5265,8 @@ reset_parser ()
FREE (word_desc_to_read);
word_desc_to_read = (WORD_DESC *)NULL;
+ eol_ungetc_lookahead = 0;
+
current_token = '\n'; /* XXX */
last_read_token = '\n';
token_to_read = '\n';
@@ -8539,4 +8541,3 @@ set_line_mbstate ()
}
}
#endif /* HANDLE_MULTIBYTE */
-
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