Blame SOURCES/binutils-CVE-2018-10373.patch

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--- binutils.orig/bfd/dwarf2.c	2018-05-01 11:42:03.152425647 +0100
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+++ binutils-2.30/bfd/dwarf2.c	2018-05-01 12:03:27.533735710 +0100
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@@ -1559,7 +1559,7 @@ concat_filename (struct line_info_table
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 {
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   char *filename;
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-  if (file - 1 >= table->num_files)
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+  if (table == NULL || file - 1 >= table->num_files)
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     {
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       /* FILE == 0 means unknown.  */
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       if (file)