http://sourceware.org/bugzilla/show_bug.cgi?id=15151
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2013-02-15 18:20:38
UTC ---
diff --git a/bfd/archive.c b/bfd/archive.c
index e4183ea..4b6a81c 100644
--- a/bfd/archive.c
+++ b/bfd/archive.c
@@ -619,6 +617,7 @@ _bfd_append_relative_path (bfd *arch, char *elt_name)
bfd *
_bfd_get_elt_at_filepos (bfd *archive, file_ptr filepos)
{
+ static file_ptr prev_filepos;
struct areltdata *new_areldata;
bfd *n_nfd;
char *filename;
@@ -626,6 +625,12 @@ _bfd_get_elt_at_filepos (bfd *archive, file_ptr filepos)
n_nfd = _bfd_look_for_bfd_in_cache (archive, filepos);
if (n_nfd)
return n_nfd;
+ /* PR15140: Prevent an inifnite recursion scanning a malformed nested
archive
. */
+ if (filepos == prev_filepos)
+ {
+ bfd_set_error (bfd_error_malformed_archive);
+ return NULL;
+ }
if (0 > bfd_seek (archive, filepos, SEEK_SET))
return NULL;
@@ -634,6 +639,7 @@ _bfd_get_elt_at_filepos (bfd *archive, file_ptr filepos)
return NULL;
filename = new_areldata->filename;
+ prev_filepos = filepos;
if (bfd_is_thin_archive (archive))
{
fails to match any target after the first one. For cris, the targets are:
a.out-cris elf32-us-cris elf32-cris ieee elf32-little elf32-big srec symbolsrec
verilog tekhex binary ihex
For x86-64, targets are
elf64-x86-64 elf32-i386 elf32-x86-64 a.out-i386-linux pei-i386 pei-x86-64
elf64-l1om elf64-k1om elf64-little elf64-big elf32-little elf32-big plugin srec
symbolsrec verilog tekhex binary ihex
--
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