Author: adrian
Date: Fri Jun 3 05:01:35 2016
New Revision: 301236
URL: https://svnweb.freebsd.org/changeset/base/301236
Log:
[drm] fix up hex_dump_to_buffer to not overflow linebuf.
That check wasn't enough to handle appending a two byte character
following it.
This prevented my T400 (Intel Core 2 Duo P8400) from attaching;
it would panic from a stack overflow detection.
Modified:
head/sys/dev/drm2/drm_os_freebsd.c
Modified: head/sys/dev/drm2/drm_os_freebsd.c
==============================================================================
--- head/sys/dev/drm2/drm_os_freebsd.c Fri Jun 3 03:40:39 2016
(r301235)
+++ head/sys/dev/drm2/drm_os_freebsd.c Fri Jun 3 05:01:35 2016
(r301236)
@@ -422,7 +422,7 @@ hex_dump_to_buffer(const void *buf, size
}
}
- if (j > linebuflen - 1)
+ if (j > linebuflen - 4)
break;
sprintf(linebuf + j, "%02X", c);
_______________________________________________
svn-src-head@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-head
To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
