diff options
| author |   Aurelien Aptel <aaptel@suse.com> | 2020-06-04 17:23:55 +0200 |
|---|---|---|
| committer |   Steve French <stfrench@microsoft.com> | 2020-06-04 13:50:55 -0500 |
| commit | 7c06514afd38ed7a4b83edfd39ab033c804b4cf3 (patch) | |
| tree | 9bed20ebe6e9f8ebd700cf37e26ac009ade4a3a0 /fs/cifs | |
| parent | cifs: dump Security Type info in DebugData (diff) | |
| download | wireguard-linux-7c06514afd38ed7a4b83edfd39ab033c804b4cf3.tar.xz wireguard-linux-7c06514afd38ed7a4b83edfd39ab033c804b4cf3.zip | |
cifs: multichannel: always zero struct cifs_io_parms
SMB2_read/SMB2_write check and use cifs_io_parms->server, which might
be uninitialized memory.
This change makes all callers zero-initialize the struct.
Signed-off-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/file.c | 4 | ||||
| -rw-r--r-- | fs/cifs/inode.c | 2 | ||||
| -rw-r--r-- | fs/cifs/link.c | 6 | ||||
| -rw-r--r-- | fs/cifs/smb2ops.c | 2 |
4 files changed, 7 insertions, 7 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 226bfa5e9444..de130f3aa452 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -1853,7 +1853,7 @@ cifs_write(struct cifsFileInfo *open_file, __u32 pid, const char *write_data, unsigned int xid; struct dentry *dentry = open_file->dentry; struct cifsInodeInfo *cifsi = CIFS_I(d_inode(dentry)); - struct cifs_io_parms io_parms; + struct cifs_io_parms io_parms = {0}; cifs_dbg(FYI, "write %zd bytes to offset %lld of %pd\n", write_size, *offset, dentry); @@ -4014,7 +4014,7 @@ cifs_read(struct file *file, char *read_data, size_t read_size, loff_t *offset) unsigned int xid; char *cur_offset; struct cifsFileInfo *open_file; - struct cifs_io_parms io_parms; + struct cifs_io_parms io_parms = {0}; int buf_type = CIFS_NO_BUFFER; __u32 pid; diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index b94c6398da94..5416ff339401 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -447,7 +447,7 @@ cifs_sfu_type(struct cifs_fattr *fattr, const char *path, struct cifs_tcon *tcon; struct cifs_fid fid; struct cifs_open_parms oparms; - struct cifs_io_parms io_parms; + struct cifs_io_parms io_parms = {0}; char buf[24]; unsigned int bytes_read; char *pbuf; diff --git a/fs/cifs/link.c b/fs/cifs/link.c index a25ef35b023e..2072458e6e24 100644 --- a/fs/cifs/link.c +++ b/fs/cifs/link.c @@ -308,7 +308,7 @@ cifs_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, int oplock = 0; struct cifs_fid fid; struct cifs_open_parms oparms; - struct cifs_io_parms io_parms; + struct cifs_io_parms io_parms = {0}; int buf_type = CIFS_NO_BUFFER; FILE_ALL_INFO file_info; @@ -352,7 +352,7 @@ cifs_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, int oplock = 0; struct cifs_fid fid; struct cifs_open_parms oparms; - struct cifs_io_parms io_parms; + struct cifs_io_parms io_parms = {0}; oparms.tcon = tcon; oparms.cifs_sb = cifs_sb; @@ -389,7 +389,7 @@ smb3_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, int rc; struct cifs_fid fid; struct cifs_open_parms oparms; - struct cifs_io_parms io_parms; + struct cifs_io_parms io_parms = {0}; int buf_type = CIFS_NO_BUFFER; __le16 *utf16_path; __u8 oplock = SMB2_OPLOCK_LEVEL_NONE; diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index dec055d7c2f4..49c5c80f5d36 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -4584,7 +4584,7 @@ smb2_make_node(unsigned int xid, struct inode *inode, struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); int rc = -EPERM; FILE_ALL_INFO *buf = NULL; - struct cifs_io_parms io_parms; + struct cifs_io_parms io_parms = {0}; __u32 oplock = 0; struct cifs_fid fid; struct cifs_open_parms oparms; |