xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

cifs: Fix smb2_set_path_size()

Browse Source 
commit 211baef0eabf4169ce4f73ebd917749d1a7edd74 upstream.

If cifs_get_writable_path() finds a writable file, smb2_compound_op()
must use that file's FID and not the COMPOUND_FID.

Cc: stable@vger.kernel.org
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Volker Lendecke
2023-03-13 16:09:54 +01:00
committed by Greg Kroah-Hartman
parent ec663c410c
commit 7b18dea697
1 changed files with 24 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
fs/cifs/smb2inode.c
View File

@@ -236,15 +236,32 @@ smb2_compound_op(const unsigned int xid, struct cifs_tcon *tcon,
size[0] = 8; /* sizeof __le64 */ size[0] = 8; /* sizeof __le64 */
data[0] = ptr; data[0] = ptr;
rc = SMB2_set_info_init(tcon, server, if (cfile) {
&rqst[num_rqst], COMPOUND_FID, rc = SMB2_set_info_init(tcon, server,
COMPOUND_FID, current->tgid, &rqst[num_rqst],
FILE_END_OF_FILE_INFORMATION, cfile->fid.persistent_fid,
SMB2_O_INFO_FILE, 0, data, size); cfile->fid.volatile_fid,
current->tgid,
FILE_END_OF_FILE_INFORMATION,
SMB2_O_INFO_FILE, 0,
data, size);
} else {
rc = SMB2_set_info_init(tcon, server,
&rqst[num_rqst],
COMPOUND_FID,
COMPOUND_FID,
current->tgid,
FILE_END_OF_FILE_INFORMATION,
SMB2_O_INFO_FILE, 0,
data, size);
if (!rc) {
smb2_set_next_command(tcon, &rqst[num_rqst]);
smb2_set_related(&rqst[num_rqst]);
}
}
if (rc) if (rc)
goto finished; goto finished;
smb2_set_next_command(tcon, &rqst[num_rqst]); num_rqst++;
smb2_set_related(&rqst[num_rqst++]);
trace_smb3_set_eof_enter(xid, ses->Suid, tcon->tid, full_path); trace_smb3_set_eof_enter(xid, ses->Suid, tcon->tid, full_path);
break; break;
case SMB2_OP_SET_INFO: case SMB2_OP_SET_INFO: