* In-memory nested archives
@ 2023-02-20 1:56 Alan Modra
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From: Alan Modra @ 2023-02-20 1:56 UTC (permalink / raw)
To: binutils
alpha-linuxecoff has compressed archives that are decompressed to a
bfd-in-memory. We'd need to handle quite a lot of corner cases to
support nesting of such archives, so just stop it before we run into
segfaults later.
* opncls.c (_bfd_new_bfd_contained_in): Prohibit nested
archives in memory.
diff --git a/bfd/opncls.c b/bfd/opncls.c
index eeac5825dbf..f0f4ed55ca4 100644
--- a/bfd/opncls.c
+++ b/bfd/opncls.c
@@ -103,6 +103,12 @@ _bfd_new_bfd_contained_in (bfd *obfd)
{
bfd *nbfd;
+ /* Nested archives in bims are unsupported. */
+ if ((obfd->flags & BFD_IN_MEMORY) != 0)
+ {
+ bfd_set_error (bfd_error_malformed_archive);
+ return NULL;
+ }
nbfd = _bfd_new_bfd ();
if (nbfd == NULL)
return NULL;
--
Alan Modra
Australia Development Lab, IBM
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