WaitClean(): stat2devnm() returns NULL for non block devices.
Check the pointer is valid derefencing it. This would happen
when using --waitclean, such as the 'f' and 'd' file type,
causing a core dump.
Signed-off-by: Zhilong Liu <zlliu@xxxxxxxx>
---
Monitor.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Monitor.c b/Monitor.c
index 036a561..101b765 100644
--- a/Monitor.c
+++ b/Monitor.c
@@ -1076,6 +1076,8 @@ int WaitClean(char *dev, int sock, int verbose)
pr_err("Couldn't open %s: %s\n", dev, strerror(errno));
return 1;
}
+ if (check_blkdev_via_fstat(fd, dev))
+ return 2;
strcpy(devnm, fd2devnm(fd));
mdi = sysfs_read(fd, devnm, GET_VERSION|GET_LEVEL|GET_SAFEMODE);
--
2.10.2
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