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93 lines
2.4 KiB
93 lines
2.4 KiB
BASH PATCH REPORT
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=================
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Bash-Release: 4.3
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Patch-ID: bash43-020
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Bug-Reported-by: Jared Yanovich <slovichon@gmail.com>
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Bug-Reference-ID: <20140417073654.GB26875@nightderanger.psc.edu>
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Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2014-04/msg00065.html
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Bug-Description:
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When PS2 contains a command substitution, here-documents entered in an
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interactive shell can sometimes cause a segmentation fault.
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Patch (apply with `patch -p0'):
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--- a/shell.h
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+++ b/shell.h
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@@ -168,7 +168,8 @@ typedef struct _sh_parser_state_t {
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/* flags state affecting the parser */
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int expand_aliases;
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int echo_input_at_read;
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-
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+ int need_here_doc;
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+
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} sh_parser_state_t;
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typedef struct _sh_input_line_state_t {
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--- a/parse.y
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+++ b/parse.y
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@@ -2642,7 +2642,7 @@ gather_here_documents ()
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int r;
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r = 0;
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- while (need_here_doc)
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+ while (need_here_doc > 0)
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{
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parser_state |= PST_HEREDOC;
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make_here_document (redir_stack[r++], line_number);
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@@ -6075,6 +6075,7 @@ save_parser_state (ps)
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ps->expand_aliases = expand_aliases;
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ps->echo_input_at_read = echo_input_at_read;
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+ ps->need_here_doc = need_here_doc;
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ps->token = token;
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ps->token_buffer_size = token_buffer_size;
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@@ -6123,6 +6124,7 @@ restore_parser_state (ps)
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expand_aliases = ps->expand_aliases;
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echo_input_at_read = ps->echo_input_at_read;
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+ need_here_doc = ps->need_here_doc;
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FREE (token);
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token = ps->token;
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--- a/y.tab.c
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+++ b/y.tab.c
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@@ -4954,7 +4954,7 @@ gather_here_documents ()
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int r;
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r = 0;
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- while (need_here_doc)
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+ while (need_here_doc > 0)
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{
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parser_state |= PST_HEREDOC;
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make_here_document (redir_stack[r++], line_number);
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@@ -8387,6 +8387,7 @@ save_parser_state (ps)
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ps->expand_aliases = expand_aliases;
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ps->echo_input_at_read = echo_input_at_read;
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+ ps->need_here_doc = need_here_doc;
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ps->token = token;
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ps->token_buffer_size = token_buffer_size;
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@@ -8435,6 +8436,7 @@ restore_parser_state (ps)
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expand_aliases = ps->expand_aliases;
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echo_input_at_read = ps->echo_input_at_read;
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+ need_here_doc = ps->need_here_doc;
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FREE (token);
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token = ps->token;
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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 19
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+#define PATCHLEVEL 20
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#endif /* _PATCHLEVEL_H_ */
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