Author: kib
Date: Fri Jan 11 08:35:49 2019
New Revision: 342934
URL: https://svnweb.freebsd.org/changeset/base/342934
Log:
cpucontrol: check for the supposed firmware file type and skip
non-regular entry.
do_update() skips entries with DT_DIR type. This does not eliminate
other entries that might exist in the directory. More, since NFS
might fill d_type with DT_UNKNOWN, dot and dotdot entries are not
skipped, then mmap(2) call failed for them when update microcode files
are located on NFS.
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Modified:
head/usr.sbin/cpucontrol/cpucontrol.c
Modified: head/usr.sbin/cpucontrol/cpucontrol.c
==============================================================================
--- head/usr.sbin/cpucontrol/cpucontrol.c Fri Jan 11 07:58:25 2019
(r342933)
+++ head/usr.sbin/cpucontrol/cpucontrol.c Fri Jan 11 08:35:49 2019
(r342934)
@@ -369,6 +369,8 @@ try_a_fw_image(const char *dev_path, int devfd, int fw
rc = 0;
goto out;
}
+ if (!S_ISREG(st.st_mode))
+ goto out;
if (st.st_size <= 0) {
WARN(0, "%s: empty", fw_path);
goto out;
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