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libdwfl: dwfl_module_getdwarf.c don't use symtab with bogus sh_entsize.

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Signed-off-by: Mark Wielaard <mjw@redhat.com>
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Mark Wielaard
2014-11-14 12:38:12 +01:00
parent ad87d27664
commit df5ad1681c
2 changed files with 9 additions and 0 deletions
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libdwfl/ChangeLog
+5
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@@ -1,3 +1,8 @@
2014-11-14 Mark Wielaard <mjw@redhat.com>
* dwfl_module_getdwarf.c (load_symtab): Don't use tables which have
a zero sh_entsize.
2014-11-10 Mark Wielaard <mjw@redhat.com>
* dwfl_module_getdwarf.c (find_dynsym): New inner function
libdwfl/dwfl_module_getdwarf.c
+4
View File
@@ -575,6 +575,8 @@ load_symtab (struct dwfl_file *file, struct dwfl_file **symfile,
switch (shdr->sh_type)
{
case SHT_SYMTAB:
if (shdr->sh_entsize == 0)
break;
symtab = true;
*symscn = scn;
*symfile = file;
@@ -589,6 +591,8 @@ load_symtab (struct dwfl_file *file, struct dwfl_file **symfile,
if (symtab)
break;
/* Use this if need be, but keep looking for SHT_SYMTAB. */
if (shdr->sh_entsize == 0)
break;
*symscn = scn;
*symfile = file;
*strshndx = shdr->sh_link;