kpriv/linux-hardened
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

some bug fixes for stable for cifs

Browse source 
-----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQGcBAABAgAGBQJZn2HQAAoJEIosvXAHck9RXMAL/iVeR4DjmXLwGQtOIQUzj0pv
 0JRubkh8/ud5VvfznjDvy0bBl/jodCK6N2wU7iqBhJUYW5Tc/TLaRt6MZ2KT4pLo
 PrD64hdjEtxkU5si+LOVLU11KndEIIQUV5+Mh9Zqj51DTHsyXJHPi/98HjNJm5Gq
 pXfUk+4eq229Pqq1JuPtfPaNHH/fZCODLf82vDQZedlaZhzHgXtDg6iQM0SalNhg
 iQSAWvmFr5lHlMs5/QMkhurvSaS38GXd+npWUGlJmFymlQbpqzpPGdYMgjnzLxDC
 Jw/Uowzo136CWSkSQV2DudKveNfIrVDYGgb97NgtZxsXYlBuJu4rCJvpLOsm6zap
 ZRnSReRvEIr6/TvMJ2wnRioz0JkbpPz8gMg7EUzfaexZtuAHXx6bguf2RjrnLJiH
 jhV+U+1uwTOgJejbvju/KVV6AP9kECyE5tZjuDF8FenfWkboqAYNaxxWVAfZreF5
 wMF0FeJWoGUxwYgRvd8neG1VWB5LQO8rNaQmYNBi7w==
 =MlGX
 -----END PGP SIGNATURE-----

Merge tag 'cifs-fixes-for-4.13-rc6-and-stable' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French:
 "Some bug fixes for stable for cifs"

* tag 'cifs-fixes-for-4.13-rc6-and-stable' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: return ENAMETOOLONG for overlong names in cifs_open()/cifs_lookup()
  cifs: Fix df output for users with quota limits
This commit is contained in:
Linus Torvalds 2017-08-25 17:22:33 -07:00
commit 8c7932a32e
2 changed files with 14 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
fs/cifs/dir.c
View file

@ -194,15 +194,20 @@ cifs_bp_rename_retry:
}
/*
* Don't allow path components longer than the server max.
* Don't allow the separator character in a path component.
* The VFS will not allow "/", but "\" is allowed by posix.
*/
static int
check_name(struct dentry *direntry)
check_name(struct dentry *direntry, struct cifs_tcon *tcon)
{
struct cifs_sb_info *cifs_sb = CIFS_SB(direntry->d_sb);
int i;
if (unlikely(direntry->d_name.len >
tcon->fsAttrInfo.MaxPathNameComponentLength))
return -ENAMETOOLONG;
if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS)) {
for (i = 0; i < direntry->d_name.len; i++) {
if (direntry->d_name.name[i] == '\\') {
@ -500,10 +505,6 @@ cifs_atomic_open(struct inode *inode, struct dentry *direntry,
return finish_no_open(file, res);
}
rc = check_name(direntry);
if (rc)
return rc;
xid = get_xid();
cifs_dbg(FYI, "parent inode = 0x%p name is: %pd and dentry = 0x%p\n",
@ -516,6 +517,11 @@ cifs_atomic_open(struct inode *inode, struct dentry *direntry,
}
tcon = tlink_tcon(tlink);
rc = check_name(direntry, tcon);
if (rc)
goto out_free_xid;
server = tcon->ses->server;
if (server->ops->new_lease_key)
@ -776,7 +782,7 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry,
}
pTcon = tlink_tcon(tlink);
rc = check_name(direntry);
rc = check_name(direntry, pTcon);
if (rc)
goto lookup_out;

4
fs/cifs/smb2pdu.c
View file

@ -3219,8 +3219,8 @@ copy_fs_info_to_kstatfs(struct smb2_fs_full_size_info *pfs_inf,
kst->f_bsize = le32_to_cpu(pfs_inf->BytesPerSector) *
le32_to_cpu(pfs_inf->SectorsPerAllocationUnit);
kst->f_blocks = le64_to_cpu(pfs_inf->TotalAllocationUnits);
kst->f_bfree = le64_to_cpu(pfs_inf->ActualAvailableAllocationUnits);
kst->f_bavail = le64_to_cpu(pfs_inf->CallerAvailableAllocationUnits);
kst->f_bfree = kst->f_bavail =
le64_to_cpu(pfs_inf->CallerAvailableAllocationUnits);
return;
}