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PR 21408, segfault in display_debug_lines_decoded
- From: Alan Modra <amodra at gmail dot com>
- To: binutils at sourceware dot org
- Date: Sun, 23 Apr 2017 21:18:11 +0930
- Subject: PR 21408, segfault in display_debug_lines_decoded
- Authentication-results: sourceware.org; auth=none
PR 21408
* dwarf.c (display_debug_lines_decoded): Don't segfault on NULL
file_table.
diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index e833b05..a19d488 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,9 @@
+2017-04-23 Alan Modra <amodra@gmail.com>
+
+ PR 21408
+ * dwarf.c (display_debug_lines_decoded): Don't segfault on NULL
+ file_table.
+
2017-04-21 Nick Clifton <nickc@redhat.com>
PR binutils/21378
diff --git a/binutils/dwarf.c b/binutils/dwarf.c
index 559d6f8..bb141e4 100644
--- a/binutils/dwarf.c
+++ b/binutils/dwarf.c
@@ -3808,11 +3808,10 @@ display_debug_lines_decoded (struct dwarf_section *section,
}
/* Print the Compilation Unit's name and a header. */
- if (directory_table == NULL)
- {
- printf (_("CU: %s:\n"), file_table[0].name);
- printf (_("File name Line number Starting address\n"));
- }
+ if (file_table == NULL)
+ ;
+ else if (directory_table == NULL)
+ printf (_("CU: %s:\n"), file_table[0].name);
else
{
unsigned int ix = file_table[0].directory_index;
@@ -3836,10 +3835,9 @@ display_debug_lines_decoded (struct dwarf_section *section,
printf (_("CU: %s/%s:\n"), directory, file_table[0].name);
else
printf ("%s:\n", file_table[0].name);
-
- printf (_("File name Line number Starting address\n"));
}
+ printf (_("File name Line number Starting address\n"));
saved_linfo = linfo;
}
--
Alan Modra
Australia Development Lab, IBM