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-rw-r--r--bfd/ChangeLog6
-rw-r--r--bfd/vms-alpha.c10
2 files changed, 16 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 8edcbc2..c92ed67 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,5 +1,11 @@
2017-06-21 Nick Clifton <nickc@redhat.com>
+ PR binutils/21638
+ * vms-alpha.c (_bfd_vms_slurp_egsd): Check for an undersized
+ record.
+
+2017-06-21 Nick Clifton <nickc@redhat.com>
+
PR binutils/21637
* vms-alpha.c (_bfd_vms_slurp_egsd): Check for an empty section
list.
diff --git a/bfd/vms-alpha.c b/bfd/vms-alpha.c
index aa38de9..5f1b24a 100644
--- a/bfd/vms-alpha.c
+++ b/bfd/vms-alpha.c
@@ -1143,6 +1143,14 @@ _bfd_vms_slurp_egsd (bfd *abfd)
vms_debug2 ((2, "EGSD\n"));
+ if (PRIV (recrd.rec_size) < 8)
+ {
+ _bfd_error_handler (_("Corrupt EGSD record: its size (%#x) is too small"),
+ PRIV (recrd.rec_size));
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
+
PRIV (recrd.rec) += 8; /* Skip type, size, align pad. */
PRIV (recrd.rec_size) -= 8;
@@ -1354,6 +1362,8 @@ _bfd_vms_slurp_egsd (bfd *abfd)
PRIV (recrd.rec) += gsd_size;
}
+ /* FIXME: Should we complain if PRIV (recrd.rec_size) is not zero ? */
+
if (PRIV (gsd_sym_count) > 0)
abfd->flags |= HAS_SYMS;