FEX-Emu/linux
1
0
Fork 0
mirror of https://github.com/FEX-Emu/linux.git synced 2025-01-10 19:43:29 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Small SMB3 fixes for stable and 4.15rc

Browse Source 
-----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQGcBAABAgAGBQJaMszhAAoJEIosvXAHck9R+gYMAJM6QM9sjiCf8xPh1YhPkGr4
 /yLqw6dyaicsPBo2YN6aY3tRNuAkTTbcVW6Sjaepk5WkqK3t//PYC0MzmS9cfDg+
 DdgtHwW5CoyB7cdzx0QzgAfoH3A7IRJoO9ezjiM/mkPURZlhJJTgFOhggkCGPzhU
 R7h39e7SNmg4kB2x/fx4HBWxdHrPj0AysDaxFZ83FiVtZojZ7X9tIRb5HT0PFCB5
 buoAjvtOuXueKN91Z/seSkSj0NqaANXYPXsBudMy7TlfDb/tko7LOy7TcmOn1tVy
 av51+oSTcWSgSLPnJ2LRNMfeguw39YJzcMhAdZh/4/Hik8c2MrBSTaKveJl9N1cf
 CDqRdKaoycjjhiTPgmreQUaL35rDhJ3LoYOqX2IMsGFjVjbI1S/8oIPJpL/JxZYd
 t7jxDPGNWjA6AppKo5C2kysjI0VPCvtiwxrm0aCBx6iVM8Hf/nxk9I0Dq7LLL179
 7vdYPoS4H4aip5XvDPV99Xus72qfErrnVJcYmOziqg==
 =QS2E
 -----END PGP SIGNATURE-----

Merge tag '4.15-rc-smb3' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French:
 "Small SMB3 fixes for stable and 4.15rc"

* tag '4.15-rc-smb3' of git://git.samba.org/sfrench/cifs-2.6:
  CIFS: don't log STATUS_NOT_FOUND errors for DFS
  cifs: fix NULL deref in SMB2_read
This commit is contained in:
Linus Torvalds 2017-12-14 11:51:21 -08:00
commit d455df0bcc
2 changed files with 18 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
fs/cifs/smb2ops.c
View File

@ -1406,7 +1406,8 @@ smb2_get_dfs_refer(const unsigned int xid, struct cifs_ses *ses,
} while (rc == -EAGAIN);
if (rc) {
cifs_dbg(VFS, "ioctl error in smb2_get_dfs_refer rc=%d\n", rc);
if (rc != -ENOENT)
cifs_dbg(VFS, "ioctl error in smb2_get_dfs_refer rc=%d\n", rc);
goto out;
}

32
fs/cifs/smb2pdu.c
View File

@ -2678,27 +2678,27 @@ SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
cifs_small_buf_release(req);
rsp = (struct smb2_read_rsp *)rsp_iov.iov_base;
shdr = get_sync_hdr(rsp);
if (shdr->Status == STATUS_END_OF_FILE) {
free_rsp_buf(resp_buftype, rsp_iov.iov_base);
return 0;
}
if (rc) {
cifs_stats_fail_inc(io_parms->tcon, SMB2_READ_HE);
cifs_dbg(VFS, "Send error in read = %d\n", rc);
} else {
*nbytes = le32_to_cpu(rsp->DataLength);
if ((*nbytes > CIFS_MAX_MSGSIZE) ||
(*nbytes > io_parms->length)) {
cifs_dbg(FYI, "bad length %d for count %d\n",
*nbytes, io_parms->length);
rc = -EIO;
*nbytes = 0;
if (rc != -ENODATA) {
cifs_stats_fail_inc(io_parms->tcon, SMB2_READ_HE);
cifs_dbg(VFS, "Send error in read = %d\n", rc);
}
free_rsp_buf(resp_buftype, rsp_iov.iov_base);
return rc == -ENODATA ? 0 : rc;
}
*nbytes = le32_to_cpu(rsp->DataLength);
if ((*nbytes > CIFS_MAX_MSGSIZE) ||
(*nbytes > io_parms->length)) {
cifs_dbg(FYI, "bad length %d for count %d\n",
*nbytes, io_parms->length);
rc = -EIO;
*nbytes = 0;
}
shdr = get_sync_hdr(rsp);
if (*buf) {
memcpy(*buf, (char *)shdr + rsp->DataOffset, *nbytes);
free_rsp_buf(resp_buftype, rsp_iov.iov_base);