On Fri, Jan 26, 2024 at 10:31:41PM +0300, kovalev@xxxxxxxxxxxx wrote: > After mounting a remote cifs resource, it becomes unavailable: > df: /mnt/sambashare: Resource temporarily unavailable > > It was tested on the following Linux kernels: > Linux altlinux 5.10.208-std-def-alt1 > Linux fedora 5.10.208-200.el8.x86_64 > > The error appeared starting from kernel 5.10.206 after adding > the commit [1] "smb: client: fix OOB in SMB2_query_info_init()", > in which the buffer length increases by 1 as a result of changes: > ... > - iov[0].iov_len = total_len - 1 + input_len; > + iov[0].iov_len = len; > ... > > [1] https://patchwork.kernel.org/project/cifs-client/patch/20231213152557.6634-2-pc@xxxxxxxxxxxxx/ > > Error fixed by backported commits in next two patches adapted for the 5.10 kernel: > > [PATCH 1/2] stddef: Introduce DECLARE_FLEX_ARRAY() helper > [PATCH 2/2] smb3: Replace smb2pdu 1-element arrays with flex-arrays > > Now queued up, thanks. greg k-h
