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SMB3: Honor 'seal' flag for multiuser mounts

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commit cc15461c73 upstream.

Ensure multiuser SMB3 mounts use encryption for all users' tcons if the
mount options are configured to require encryption. Without this, only
the primary tcon and IPC tcons are guaranteed to be encrypted. Per-user
tcons would only be encrypted if the server was configured to require
encryption.

Signed-off-by: Paul Aurich <paul@darkrain42.org>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Paul Aurich
2020-06-26 12:58:05 -07:00
committed by Chris
parent f855b6cf41
commit 3f51d966f7
1 changed files with 1 additions and 0 deletions
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1
fs/cifs/connect.c
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@@ -4216,6 +4216,7 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, kuid_t fsuid)
vol_info->no_linux_ext = !master_tcon->unix_ext;
vol_info->sectype = master_tcon->ses->sectype;
vol_info->sign = master_tcon->ses->sign;
vol_info->seal = master_tcon->seal;
rc = cifs_set_vol_auth(vol_info, master_tcon->ses);
if (rc) {