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-rw-r--r--sys/fs/smbfs/smbfs_vnops.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/sys/fs/smbfs/smbfs_vnops.c b/sys/fs/smbfs/smbfs_vnops.c
index ec7b381a0e0a..2588369cf873 100644
--- a/sys/fs/smbfs/smbfs_vnops.c
+++ b/sys/fs/smbfs/smbfs_vnops.c
@@ -1076,11 +1076,18 @@ smbfs_advlock(ap)
static int
smbfs_pathcheck(struct smbmount *smp, const char *name, int nmlen, int nameiop)
{
- static const char *badchars = "*/\\:<>;?";
+ static const char *badchars = "*/:<>;?";
static const char *badchars83 = " +|,[]=";
const char *cp;
int i, error;
+ /*
+ * Backslash characters, being a path delimiter, are prohibited
+ * within a path component even for LOOKUP operations.
+ */
+ if (index(name, '\\') != NULL)
+ return ENOENT;
+
if (nameiop == LOOKUP)
return 0;
error = ENOENT;