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-rw-r--r--source4/ntvfs/ntvfs_generic.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/source4/ntvfs/ntvfs_generic.c b/source4/ntvfs/ntvfs_generic.c
index 3319539b63..d564db72ff 100644
--- a/source4/ntvfs/ntvfs_generic.c
+++ b/source4/ntvfs/ntvfs_generic.c
@@ -1116,6 +1116,12 @@ NTSTATUS ntvfs_map_lock(struct ntvfs_module_context *ntvfs,
isunlock = false;
}
for (i=0;i<lck->smb2.in.lock_count;i++) {
+ if (lck->smb2.in.locks[i].length > 1 &&
+ lck->smb2.in.locks[i].offset +
+ lck->smb2.in.locks[i].length <
+ lck->smb2.in.locks[i].offset) {
+ return NT_STATUS_INVALID_LOCK_RANGE;
+ }
if (lck->smb2.in.locks[i].flags == SMB2_LOCK_FLAG_NONE) {
return NT_STATUS_INVALID_PARAMETER;
}