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-rw-r--r--fs/smb/client/cifsfs.c3
-rw-r--r--fs/smb/client/cifsglob.h3
-rw-r--r--fs/smb/client/cifspdu.h2
-rw-r--r--fs/smb/client/cifssmb.c8
-rw-r--r--fs/smb/client/file.c27
-rw-r--r--fs/smb/client/inode.c4
-rw-r--r--fs/smb/client/smb2ops.c3
-rw-r--r--fs/smb/client/smb2pdu.c22
-rw-r--r--fs/smb/client/smb2transport.c2
-rw-r--r--fs/smb/common/cifs_arc4.c1
-rw-r--r--fs/smb/common/cifs_md4.c1
-rw-r--r--fs/smb/server/smb2pdu.c22
-rw-r--r--fs/smb/server/vfs.c17
-rw-r--r--fs/smb/server/vfs.h3
-rw-r--r--fs/smb/server/vfs_cache.c3
15 files changed, 64 insertions, 57 deletions
diff --git a/fs/smb/client/cifsfs.c b/fs/smb/client/cifsfs.c
index a665aac9be9f..6397fdefd876 100644
--- a/fs/smb/client/cifsfs.c
+++ b/fs/smb/client/cifsfs.c
@@ -134,7 +134,7 @@ module_param(enable_oplocks, bool, 0644);
MODULE_PARM_DESC(enable_oplocks, "Enable or disable oplocks. Default: y/Y/1");
module_param(enable_gcm_256, bool, 0644);
-MODULE_PARM_DESC(enable_gcm_256, "Enable requesting strongest (256 bit) GCM encryption. Default: n/N/0");
+MODULE_PARM_DESC(enable_gcm_256, "Enable requesting strongest (256 bit) GCM encryption. Default: y/Y/0");
module_param(require_gcm_256, bool, 0644);
MODULE_PARM_DESC(require_gcm_256, "Require strongest (256 bit) GCM encryption. Default: n/N/0");
@@ -431,6 +431,7 @@ cifs_free_inode(struct inode *inode)
static void
cifs_evict_inode(struct inode *inode)
{
+ netfs_wait_for_outstanding_io(inode);
truncate_inode_pages_final(&inode->i_data);
if (inode->i_state & I_PINNING_NETFS_WB)
cifs_fscache_unuse_inode_cookie(inode, true);
diff --git a/fs/smb/client/cifsglob.h b/fs/smb/client/cifsglob.h
index 73482734a8d8..557b68e99d0a 100644
--- a/fs/smb/client/cifsglob.h
+++ b/fs/smb/client/cifsglob.h
@@ -1494,6 +1494,8 @@ struct cifs_aio_ctx {
struct cifs_io_request {
struct netfs_io_request rreq;
struct cifsFileInfo *cfile;
+ struct TCP_Server_Info *server;
+ pid_t pid;
};
/* asynchronous read support */
@@ -1504,7 +1506,6 @@ struct cifs_io_subrequest {
struct cifs_io_request *req;
};
ssize_t got_bytes;
- pid_t pid;
unsigned int xid;
int result;
bool have_xid;
diff --git a/fs/smb/client/cifspdu.h b/fs/smb/client/cifspdu.h
index c46d418c1c0c..a2072ab9e586 100644
--- a/fs/smb/client/cifspdu.h
+++ b/fs/smb/client/cifspdu.h
@@ -2574,7 +2574,7 @@ typedef struct {
struct win_dev {
- unsigned char type[8]; /* IntxCHR or IntxBLK or LnxFIFO*/
+ unsigned char type[8]; /* IntxCHR or IntxBLK or LnxFIFO or LnxSOCK */
__le64 major;
__le64 minor;
} __attribute__((packed));
diff --git a/fs/smb/client/cifssmb.c b/fs/smb/client/cifssmb.c
index 25e9ab947c17..595c4b673707 100644
--- a/fs/smb/client/cifssmb.c
+++ b/fs/smb/client/cifssmb.c
@@ -1345,8 +1345,8 @@ cifs_async_readv(struct cifs_io_subrequest *rdata)
if (rc)
return rc;
- smb->hdr.Pid = cpu_to_le16((__u16)rdata->pid);
- smb->hdr.PidHigh = cpu_to_le16((__u16)(rdata->pid >> 16));
+ smb->hdr.Pid = cpu_to_le16((__u16)rdata->req->pid);
+ smb->hdr.PidHigh = cpu_to_le16((__u16)(rdata->req->pid >> 16));
smb->AndXCommand = 0xFF; /* none */
smb->Fid = rdata->req->cfile->fid.netfid;
@@ -1689,8 +1689,8 @@ cifs_async_writev(struct cifs_io_subrequest *wdata)
if (rc)
goto async_writev_out;
- smb->hdr.Pid = cpu_to_le16((__u16)wdata->pid);
- smb->hdr.PidHigh = cpu_to_le16((__u16)(wdata->pid >> 16));
+ smb->hdr.Pid = cpu_to_le16((__u16)wdata->req->pid);
+ smb->hdr.PidHigh = cpu_to_le16((__u16)(wdata->req->pid >> 16));
smb->AndXCommand = 0xFF; /* none */
smb->Fid = wdata->req->cfile->fid.netfid;
diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c
index 9d5c2440abfc..f1f2573bb18d 100644
--- a/fs/smb/client/file.c
+++ b/fs/smb/client/file.c
@@ -134,17 +134,15 @@ fail:
static bool cifs_clamp_length(struct netfs_io_subrequest *subreq)
{
struct netfs_io_request *rreq = subreq->rreq;
- struct TCP_Server_Info *server;
struct cifs_io_subrequest *rdata = container_of(subreq, struct cifs_io_subrequest, subreq);
struct cifs_io_request *req = container_of(subreq->rreq, struct cifs_io_request, rreq);
+ struct TCP_Server_Info *server = req->server;
struct cifs_sb_info *cifs_sb = CIFS_SB(rreq->inode->i_sb);
size_t rsize = 0;
int rc;
rdata->xid = get_xid();
rdata->have_xid = true;
-
- server = cifs_pick_channel(tlink_tcon(req->cfile->tlink)->ses);
rdata->server = server;
if (cifs_sb->ctx->rsize == 0)
@@ -179,15 +177,8 @@ static void cifs_req_issue_read(struct netfs_io_subrequest *subreq)
struct netfs_io_request *rreq = subreq->rreq;
struct cifs_io_subrequest *rdata = container_of(subreq, struct cifs_io_subrequest, subreq);
struct cifs_io_request *req = container_of(subreq->rreq, struct cifs_io_request, rreq);
- struct cifs_sb_info *cifs_sb = CIFS_SB(rreq->inode->i_sb);
- pid_t pid;
int rc = 0;
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_RWPIDFORWARD)
- pid = req->cfile->pid;
- else
- pid = current->tgid; // Ummm... This may be a workqueue
-
cifs_dbg(FYI, "%s: op=%08x[%x] mapping=%p len=%zu/%zu\n",
__func__, rreq->debug_id, subreq->debug_index, rreq->mapping,
subreq->transferred, subreq->len);
@@ -201,16 +192,8 @@ static void cifs_req_issue_read(struct netfs_io_subrequest *subreq)
}
__set_bit(NETFS_SREQ_CLEAR_TAIL, &subreq->flags);
- rdata->pid = pid;
-
- rc = adjust_credits(rdata->server, &rdata->credits, rdata->subreq.len);
- if (!rc) {
- if (rdata->req->cfile->invalidHandle)
- rc = -EAGAIN;
- else
- rc = rdata->server->ops->async_readv(rdata);
- }
+ rc = rdata->server->ops->async_readv(rdata);
out:
if (rc)
netfs_subreq_terminated(subreq, rc, false);
@@ -245,11 +228,15 @@ static int cifs_init_request(struct netfs_io_request *rreq, struct file *file)
rreq->rsize = cifs_sb->ctx->rsize;
rreq->wsize = cifs_sb->ctx->wsize;
+ req->pid = current->tgid; // Ummm... This may be a workqueue
if (file) {
open_file = file->private_data;
rreq->netfs_priv = file->private_data;
req->cfile = cifsFileInfo_get(open_file);
+ req->server = cifs_pick_channel(tlink_tcon(req->cfile->tlink)->ses);
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_RWPIDFORWARD)
+ req->pid = req->cfile->pid;
} else if (rreq->origin != NETFS_WRITEBACK) {
WARN_ON_ONCE(1);
return -EIO;
@@ -3200,8 +3187,6 @@ static int cifs_swap_rw(struct kiocb *iocb, struct iov_iter *iter)
{
ssize_t ret;
- WARN_ON_ONCE(iov_iter_count(iter) != PAGE_SIZE);
-
if (iov_iter_rw(iter) == READ)
ret = netfs_unbuffered_read_iter_locked(iocb, iter);
else
diff --git a/fs/smb/client/inode.c b/fs/smb/client/inode.c
index 262576573eb5..4a8aa1de9522 100644
--- a/fs/smb/client/inode.c
+++ b/fs/smb/client/inode.c
@@ -606,6 +606,10 @@ cifs_sfu_type(struct cifs_fattr *fattr, const char *path,
mnr = le64_to_cpu(*(__le64 *)(pbuf+16));
fattr->cf_rdev = MKDEV(mjr, mnr);
}
+ } else if (memcmp("LnxSOCK", pbuf, 8) == 0) {
+ cifs_dbg(FYI, "Socket\n");
+ fattr->cf_mode |= S_IFSOCK;
+ fattr->cf_dtype = DT_SOCK;
} else if (memcmp("IntxLNK", pbuf, 7) == 0) {
cifs_dbg(FYI, "Symlink\n");
fattr->cf_mode |= S_IFLNK;
diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c
index 4ce6c3121a7e..c8e536540895 100644
--- a/fs/smb/client/smb2ops.c
+++ b/fs/smb/client/smb2ops.c
@@ -4997,6 +4997,9 @@ static int __cifs_sfu_make_node(unsigned int xid, struct inode *inode,
pdev.major = cpu_to_le64(MAJOR(dev));
pdev.minor = cpu_to_le64(MINOR(dev));
break;
+ case S_IFSOCK:
+ strscpy(pdev.type, "LnxSOCK");
+ break;
case S_IFIFO:
strscpy(pdev.type, "LnxFIFO");
break;
diff --git a/fs/smb/client/smb2pdu.c b/fs/smb/client/smb2pdu.c
index 993ac36c3d58..2ae2dbb6202b 100644
--- a/fs/smb/client/smb2pdu.c
+++ b/fs/smb/client/smb2pdu.c
@@ -4484,6 +4484,16 @@ smb2_new_read_req(void **buf, unsigned int *total_len,
return rc;
}
+static void smb2_readv_worker(struct work_struct *work)
+{
+ struct cifs_io_subrequest *rdata =
+ container_of(work, struct cifs_io_subrequest, subreq.work);
+
+ netfs_subreq_terminated(&rdata->subreq,
+ (rdata->result == 0 || rdata->result == -EAGAIN) ?
+ rdata->got_bytes : rdata->result, true);
+}
+
static void
smb2_readv_callback(struct mid_q_entry *mid)
{
@@ -4577,12 +4587,9 @@ smb2_readv_callback(struct mid_q_entry *mid)
if (rdata->subreq.start < rdata->subreq.rreq->i_size)
rdata->result = 0;
}
- if (rdata->result == 0 || rdata->result == -EAGAIN)
- iov_iter_advance(&rdata->subreq.io_iter, rdata->got_bytes);
rdata->credits.value = 0;
- netfs_subreq_terminated(&rdata->subreq,
- (rdata->result == 0 || rdata->result == -EAGAIN) ?
- rdata->got_bytes : rdata->result, true);
+ INIT_WORK(&rdata->subreq.work, smb2_readv_worker);
+ queue_work(cifsiod_wq, &rdata->subreq.work);
release_mid(mid);
add_credits(server, &credits, 0);
}
@@ -4614,7 +4621,7 @@ smb2_async_readv(struct cifs_io_subrequest *rdata)
io_parms.length = rdata->subreq.len;
io_parms.persistent_fid = rdata->req->cfile->fid.persistent_fid;
io_parms.volatile_fid = rdata->req->cfile->fid.volatile_fid;
- io_parms.pid = rdata->pid;
+ io_parms.pid = rdata->req->pid;
rc = smb2_new_read_req(
(void **) &buf, &total_len, &io_parms, rdata, 0, 0);
@@ -4789,7 +4796,6 @@ smb2_writev_callback(struct mid_q_entry *mid)
wdata->result = -ENOSPC;
else
wdata->subreq.len = written;
- iov_iter_advance(&wdata->subreq.io_iter, written);
break;
case MID_REQUEST_SUBMITTED:
case MID_RETRY_NEEDED:
@@ -4867,7 +4873,7 @@ smb2_async_writev(struct cifs_io_subrequest *wdata)
.length = wdata->subreq.len,
.persistent_fid = wdata->req->cfile->fid.persistent_fid,
.volatile_fid = wdata->req->cfile->fid.volatile_fid,
- .pid = wdata->pid,
+ .pid = wdata->req->pid,
};
io_parms = &_io_parms;
diff --git a/fs/smb/client/smb2transport.c b/fs/smb/client/smb2transport.c
index 02135a605305..1476c445cadc 100644
--- a/fs/smb/client/smb2transport.c
+++ b/fs/smb/client/smb2transport.c
@@ -216,8 +216,8 @@ smb2_find_smb_tcon(struct TCP_Server_Info *server, __u64 ses_id, __u32 tid)
}
tcon = smb2_find_smb_sess_tcon_unlocked(ses, tid);
if (!tcon) {
- cifs_put_smb_ses(ses);
spin_unlock(&cifs_tcp_ses_lock);
+ cifs_put_smb_ses(ses);
return NULL;
}
spin_unlock(&cifs_tcp_ses_lock);
diff --git a/fs/smb/common/cifs_arc4.c b/fs/smb/common/cifs_arc4.c
index 043e4cb839fa..df360ca47826 100644
--- a/fs/smb/common/cifs_arc4.c
+++ b/fs/smb/common/cifs_arc4.c
@@ -10,6 +10,7 @@
#include <linux/module.h>
#include "arc4.h"
+MODULE_DESCRIPTION("ARC4 Cipher Algorithm");
MODULE_LICENSE("GPL");
int cifs_arc4_setkey(struct arc4_ctx *ctx, const u8 *in_key, unsigned int key_len)
diff --git a/fs/smb/common/cifs_md4.c b/fs/smb/common/cifs_md4.c
index 50f78cfc6ce9..7ee7f4dad90c 100644
--- a/fs/smb/common/cifs_md4.c
+++ b/fs/smb/common/cifs_md4.c
@@ -24,6 +24,7 @@
#include <asm/byteorder.h>
#include "md4.h"
+MODULE_DESCRIPTION("MD4 Message Digest Algorithm (RFC1320)");
MODULE_LICENSE("GPL");
static inline u32 lshift(u32 x, unsigned int s)
diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index b6c5a8ea3887..e7e07891781b 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -630,6 +630,12 @@ smb2_get_name(const char *src, const int maxlen, struct nls_table *local_nls)
return name;
}
+ if (*name == '\\') {
+ pr_err("not allow directory name included leading slash\n");
+ kfree(name);
+ return ERR_PTR(-EINVAL);
+ }
+
ksmbd_conv_path_to_unix(name);
ksmbd_strip_last_slash(name);
return name;
@@ -2361,7 +2367,8 @@ static int smb2_set_ea(struct smb2_ea_info *eabuf, unsigned int buf_len,
if (rc > 0) {
rc = ksmbd_vfs_remove_xattr(idmap,
path,
- attr_name);
+ attr_name,
+ get_write);
if (rc < 0) {
ksmbd_debug(SMB,
@@ -2376,7 +2383,7 @@ static int smb2_set_ea(struct smb2_ea_info *eabuf, unsigned int buf_len,
} else {
rc = ksmbd_vfs_setxattr(idmap, path, attr_name, value,
le16_to_cpu(eabuf->EaValueLength),
- 0, true);
+ 0, get_write);
if (rc < 0) {
ksmbd_debug(SMB,
"ksmbd_vfs_setxattr is failed(%d)\n",
@@ -2468,7 +2475,7 @@ static int smb2_remove_smb_xattrs(const struct path *path)
!strncmp(&name[XATTR_USER_PREFIX_LEN], STREAM_PREFIX,
STREAM_PREFIX_LEN)) {
err = ksmbd_vfs_remove_xattr(idmap, path,
- name);
+ name, true);
if (err)
ksmbd_debug(SMB, "remove xattr failed : %s\n",
name);
@@ -2842,20 +2849,11 @@ int smb2_open(struct ksmbd_work *work)
}
if (req->NameLength) {
- if ((req->CreateOptions & FILE_DIRECTORY_FILE_LE) &&
- *(char *)req->Buffer == '\\') {
- pr_err("not allow directory name included leading slash\n");
- rc = -EINVAL;
- goto err_out2;
- }
-
name = smb2_get_name((char *)req + le16_to_cpu(req->NameOffset),
le16_to_cpu(req->NameLength),
work->conn->local_nls);
if (IS_ERR(name)) {
rc = PTR_ERR(name);
- if (rc != -ENOMEM)
- rc = -ENOENT;
name = NULL;
goto err_out2;
}
diff --git a/fs/smb/server/vfs.c b/fs/smb/server/vfs.c
index 51b1b0bed616..9e859ba010cf 100644
--- a/fs/smb/server/vfs.c
+++ b/fs/smb/server/vfs.c
@@ -1058,16 +1058,21 @@ int ksmbd_vfs_fqar_lseek(struct ksmbd_file *fp, loff_t start, loff_t length,
}
int ksmbd_vfs_remove_xattr(struct mnt_idmap *idmap,
- const struct path *path, char *attr_name)
+ const struct path *path, char *attr_name,
+ bool get_write)
{
int err;
- err = mnt_want_write(path->mnt);
- if (err)
- return err;
+ if (get_write == true) {
+ err = mnt_want_write(path->mnt);
+ if (err)
+ return err;
+ }
err = vfs_removexattr(idmap, path->dentry, attr_name);
- mnt_drop_write(path->mnt);
+
+ if (get_write == true)
+ mnt_drop_write(path->mnt);
return err;
}
@@ -1380,7 +1385,7 @@ int ksmbd_vfs_remove_sd_xattrs(struct mnt_idmap *idmap, const struct path *path)
ksmbd_debug(SMB, "%s, len %zd\n", name, strlen(name));
if (!strncmp(name, XATTR_NAME_SD, XATTR_NAME_SD_LEN)) {
- err = ksmbd_vfs_remove_xattr(idmap, path, name);
+ err = ksmbd_vfs_remove_xattr(idmap, path, name, true);
if (err)
ksmbd_debug(SMB, "remove xattr failed : %s\n", name);
}
diff --git a/fs/smb/server/vfs.h b/fs/smb/server/vfs.h
index cfe1c8092f23..cb76f4b5bafe 100644
--- a/fs/smb/server/vfs.h
+++ b/fs/smb/server/vfs.h
@@ -114,7 +114,8 @@ int ksmbd_vfs_setxattr(struct mnt_idmap *idmap,
int ksmbd_vfs_xattr_stream_name(char *stream_name, char **xattr_stream_name,
size_t *xattr_stream_name_size, int s_type);
int ksmbd_vfs_remove_xattr(struct mnt_idmap *idmap,
- const struct path *path, char *attr_name);
+ const struct path *path, char *attr_name,
+ bool get_write);
int ksmbd_vfs_kern_path_locked(struct ksmbd_work *work, char *name,
unsigned int flags, struct path *parent_path,
struct path *path, bool caseless);
diff --git a/fs/smb/server/vfs_cache.c b/fs/smb/server/vfs_cache.c
index 6cb599cd287e..8b2e37c8716e 100644
--- a/fs/smb/server/vfs_cache.c
+++ b/fs/smb/server/vfs_cache.c
@@ -254,7 +254,8 @@ static void __ksmbd_inode_close(struct ksmbd_file *fp)
ci->m_flags &= ~S_DEL_ON_CLS_STREAM;
err = ksmbd_vfs_remove_xattr(file_mnt_idmap(filp),
&filp->f_path,
- fp->stream.name);
+ fp->stream.name,
+ true);
if (err)
pr_err("remove xattr failed : %s\n",
fp->stream.name);
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-13 00:00:21 +0300