From 559fe2a3bde61ccac3619fe2281dd6faaeeebd33 Mon Sep 17 00:00:00 2001 From: Pali Rohár Date: Sun, 9 Jul 2017 17:26:13 +0200 Subject: disk: After opening blkdev, check that it is really block device --- src/disk.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src') diff --git a/src/disk.c b/src/disk.c index b0d4499..c8d218c 100644 --- a/src/disk.c +++ b/src/disk.c @@ -173,6 +173,10 @@ int disk_open_dev(int maj, int min, int partition, int readonly) { if ( fd < 0 ) { errno = old_errno; ERROR_INFO("Cannot open block device %s", blkdev); + } else if ( fstat(fd, &st) != 0 || ! S_ISBLK(st.st_mode) ) { + ERROR("Block device %s is not block device\n", blkdev); + close(fd); + return -1; } } else { -- cgit v1.2.3