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54 lines
1.3 KiB
54 lines
1.3 KiB
BASH PATCH REPORT
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=================
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Bash-Release: 4.3
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Patch-ID: bash43-026
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Bug-Reported-by: Tavis Ormandy <taviso@cmpxchg8b.com>
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Bug-Reference-ID:
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Bug-Reference-URL: http://twitter.com/taviso/statuses/514887394294652929
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Bug-Description:
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Under certain circumstances, bash can incorrectly save a lookahead character and
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return it on a subsequent call, even when reading a new line.
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Patch (apply with `patch -p0'):
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--- a/parse.y
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+++ b/parse.y
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@@ -2953,6 +2953,8 @@ reset_parser ()
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FREE (word_desc_to_read);
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word_desc_to_read = (WORD_DESC *)NULL;
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+ eol_ungetc_lookahead = 0;
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+
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current_token = '\n'; /* XXX */
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last_read_token = '\n';
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token_to_read = '\n';
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--- a/y.tab.c
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+++ b/y.tab.c
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@@ -5265,6 +5265,8 @@ reset_parser ()
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FREE (word_desc_to_read);
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word_desc_to_read = (WORD_DESC *)NULL;
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+ eol_ungetc_lookahead = 0;
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+
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current_token = '\n'; /* XXX */
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last_read_token = '\n';
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token_to_read = '\n';
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@@ -8539,4 +8541,3 @@ set_line_mbstate ()
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}
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}
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#endif /* HANDLE_MULTIBYTE */
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-
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--- a/patchlevel.h
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+++ b/patchlevel.h
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@@ -25,6 +25,6 @@
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regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
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looks for to find the patch level (for the sccs version string). */
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-#define PATCHLEVEL 25
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+#define PATCHLEVEL 26
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#endif /* _PATCHLEVEL_H_ */
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