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asan: buffer overflow in vms-alpha.c
author
Alan Modra
<amodra@gmail.com>
Tue, 15 Feb 2022 05:34:34 +0000
(16:04 +1030)
committer
Alan Modra
<amodra@gmail.com>
Wed, 16 Feb 2022 08:45:40 +0000
(19:15 +1030)
* vms-alpha.c (evax_bfd_print_dst): Sanity check another place
printing strings.
bfd/vms-alpha.c
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diff --git
a/bfd/vms-alpha.c
b/bfd/vms-alpha.c
index c8250e2a673f5319db3f020f2620e12c192ef29f..06fa891ac7018fb678a70ce19b9151f336d63a0e 100644
(file)
--- a/
bfd/vms-alpha.c
+++ b/
bfd/vms-alpha.c
@@
-7390,7
+7390,9
@@
evax_bfd_print_dst (struct bfd *abfd, unsigned int dst_size, FILE *file)
fprintf (file, _("standard data: %s\n"),
evax_bfd_get_dsc_name (type));
evax_bfd_print_valspec (buf, len, 4, file);
- fprintf (file, _(" name: %.*s\n"), buf[5], buf + 6);
+ if (len > 6)
+ fprintf (file, _(" name: %.*s\n"),
+ buf[5] > len - 6 ? len - 6 : buf[5], buf + 6);
break;
case DST__K_MODBEG:
{