Hi Paulo, Thanks a lot for your time on looking into it. On Wed, Apr 17, 2024 at 07:58:56PM -0300, Paulo Alcantara wrote: > Hi Salvatore, > > Salvatore Bonaccorso <carnil@xxxxxxxxxx> writes: > > > In Debian we got two reports of cifs mounts not functioning, hiding > > certain files. The two reports are: > > > > https://bugs.debian.org/1069102 > > https://bugs.debian.org/1069092 > > > > On those cases kernel logs error > > > > [ 23.225952] CIFS: VFS: directory entry name would overflow frame end of buf 00000000a44b272c > > I couldn't reproduce it. Does the following fix your issue: > > diff --git a/fs/smb/client/smb2pdu.c b/fs/smb/client/smb2pdu.c > index 4c1231496a72..3ee35430595e 100644 > --- a/fs/smb/client/smb2pdu.c > +++ b/fs/smb/client/smb2pdu.c > @@ -5083,7 +5083,7 @@ smb2_parse_query_directory(struct cifs_tcon *tcon, > info_buf_size = sizeof(struct smb2_posix_info); > break; > case SMB_FIND_FILE_FULL_DIRECTORY_INFO: > - info_buf_size = sizeof(FILE_FULL_DIRECTORY_INFO); > + info_buf_size = sizeof(FILE_FULL_DIRECTORY_INFO) - 1; > break; > default: > cifs_tcon_dbg(VFS, "info level %u isn't supported\n", > > If not, please provide network trace and verbose logs. Yes that appears to fix the issue. But as you say you are not able to reproduce the issue, I guess we need to try to get it clearly reproducible first to see we face no other fallouts? Regards, Salvatore
