2022-08-18 21:26:43

by Wolfram Sang

[permalink] [raw]
Subject: [PATCH 01/14] vboxsf: move from strlcpy with unused retval to strscpy

Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <[email protected]>
---
fs/vboxsf/super.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/vboxsf/super.c b/fs/vboxsf/super.c
index d2f6df69f611..1fb8f4df60cb 100644
--- a/fs/vboxsf/super.c
+++ b/fs/vboxsf/super.c
@@ -176,7 +176,7 @@ static int vboxsf_fill_super(struct super_block *sb, struct fs_context *fc)
}
folder_name->size = size;
folder_name->length = size - 1;
- strlcpy(folder_name->string.utf8, fc->source, size);
+ strscpy(folder_name->string.utf8, fc->source, size);
err = vboxsf_map_folder(folder_name, &sbi->root);
kfree(folder_name);
if (err) {
--
2.35.1


2022-08-18 21:34:00

by Wolfram Sang

[permalink] [raw]
Subject: [PATCH 02/14] reiserfs: move from strlcpy with unused retval to strscpy

Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <[email protected]>
---
fs/reiserfs/procfs.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c
index 4a7cb16e9345..3dba8acf4e83 100644
--- a/fs/reiserfs/procfs.c
+++ b/fs/reiserfs/procfs.c
@@ -411,7 +411,7 @@ int reiserfs_proc_info_init(struct super_block *sb)
char *s;

/* Some block devices use /'s */
- strlcpy(b, sb->s_id, BDEVNAME_SIZE);
+ strscpy(b, sb->s_id, BDEVNAME_SIZE);
s = strchr(b, '/');
if (s)
*s = '!';
@@ -441,7 +441,7 @@ int reiserfs_proc_info_done(struct super_block *sb)
char *s;

/* Some block devices use /'s */
- strlcpy(b, sb->s_id, BDEVNAME_SIZE);
+ strscpy(b, sb->s_id, BDEVNAME_SIZE);
s = strchr(b, '/');
if (s)
*s = '!';
--
2.35.1

2022-08-18 21:39:58

by Wolfram Sang

[permalink] [raw]
Subject: [PATCH 13/14] affs: move from strlcpy with unused retval to strscpy

Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <[email protected]>
---
fs/affs/super.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/affs/super.c b/fs/affs/super.c
index 4c5f30a83336..58b391446ae1 100644
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -276,7 +276,7 @@ parse_options(char *options, kuid_t *uid, kgid_t *gid, int *mode, int *reserved,
char *vol = match_strdup(&args[0]);
if (!vol)
return 0;
- strlcpy(volume, vol, 32);
+ strscpy(volume, vol, 32);
kfree(vol);
break;
}
--
2.35.1

2022-08-18 21:47:04

by Wolfram Sang

[permalink] [raw]
Subject: [PATCH 11/14] cifs: move from strlcpy with unused retval to strscpy

Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <[email protected]>
---
fs/cifs/cifsroot.c | 2 +-
fs/cifs/connect.c | 2 +-
fs/cifs/smb2pdu.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/cifs/cifsroot.c b/fs/cifs/cifsroot.c
index 9e91a5a40aae..56ec1b233f52 100644
--- a/fs/cifs/cifsroot.c
+++ b/fs/cifs/cifsroot.c
@@ -59,7 +59,7 @@ static int __init cifs_root_setup(char *line)
pr_err("Root-CIFS: UNC path too long\n");
return 1;
}
- strlcpy(root_dev, line, len);
+ strscpy(root_dev, line, len);
srvaddr = parse_srvaddr(&line[2], s);
if (*s) {
int n = snprintf(root_opts,
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 9111c025bcb8..3da5da9f16b0 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -3994,7 +3994,7 @@ CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
}
bcc_ptr += length + 1;
bytes_left -= (length + 1);
- strlcpy(tcon->treeName, tree, sizeof(tcon->treeName));
+ strscpy(tcon->treeName, tree, sizeof(tcon->treeName));

/* mostly informational -- no need to fail on error here */
kfree(tcon->nativeFileSystem);
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 9b31ea946d45..9958b5f1c12f 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -1928,7 +1928,7 @@ SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, const char *tree,
tcon->capabilities = rsp->Capabilities; /* we keep caps little endian */
tcon->maximal_access = le32_to_cpu(rsp->MaximalAccess);
tcon->tid = le32_to_cpu(rsp->hdr.Id.SyncId.TreeId);
- strlcpy(tcon->treeName, tree, sizeof(tcon->treeName));
+ strscpy(tcon->treeName, tree, sizeof(tcon->treeName));

if ((rsp->Capabilities & SMB2_SHARE_CAP_DFS) &&
((tcon->share_flags & SHI1005_FLAGS_DFS) == 0))
--
2.35.1

2022-08-18 21:47:05

by Wolfram Sang

[permalink] [raw]
Subject: [PATCH 10/14] dlm: move from strlcpy with unused retval to strscpy

Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <[email protected]>
---
fs/dlm/config.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/dlm/config.c b/fs/dlm/config.c
index ac8b62106ce0..c15425fe48e3 100644
--- a/fs/dlm/config.c
+++ b/fs/dlm/config.c
@@ -122,9 +122,9 @@ static ssize_t cluster_cluster_name_store(struct config_item *item,
{
struct dlm_cluster *cl = config_item_to_cluster(item);

- strlcpy(dlm_config.ci_cluster_name, buf,
+ strscpy(dlm_config.ci_cluster_name, buf,
sizeof(dlm_config.ci_cluster_name));
- strlcpy(cl->cl_cluster_name, buf, sizeof(cl->cl_cluster_name));
+ strscpy(cl->cl_cluster_name, buf, sizeof(cl->cl_cluster_name));
return len;
}

--
2.35.1

2022-08-18 22:03:37

by Wolfram Sang

[permalink] [raw]
Subject: [PATCH 12/14] befs: move from strlcpy with unused retval to strscpy

Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <[email protected]>
---
fs/befs/btree.c | 2 +-
fs/befs/linuxvfs.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/befs/btree.c b/fs/befs/btree.c
index 1b7e0f7128d6..53b36aa29978 100644
--- a/fs/befs/btree.c
+++ b/fs/befs/btree.c
@@ -500,7 +500,7 @@ befs_btree_read(struct super_block *sb, const befs_data_stream *ds,
goto error_alloc;
}

- strlcpy(keybuf, keystart, keylen + 1);
+ strscpy(keybuf, keystart, keylen + 1);
*value = fs64_to_cpu(sb, valarray[cur_key]);
*keysize = keylen;

diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c
index 32749fcee090..eee9237386e2 100644
--- a/fs/befs/linuxvfs.c
+++ b/fs/befs/linuxvfs.c
@@ -374,7 +374,7 @@ static struct inode *befs_iget(struct super_block *sb, unsigned long ino)
if (S_ISLNK(inode->i_mode) && !(befs_ino->i_flags & BEFS_LONG_SYMLINK)){
inode->i_size = 0;
inode->i_blocks = befs_sb->block_size / VFS_BLOCK_SIZE;
- strlcpy(befs_ino->i_data.symlink, raw_inode->data.symlink,
+ strscpy(befs_ino->i_data.symlink, raw_inode->data.symlink,
BEFS_SYMLINK_LEN);
} else {
int num_blks;
--
2.35.1

2022-08-18 22:03:50

by Wolfram Sang

[permalink] [raw]
Subject: [PATCH 03/14] proc: move from strlcpy with unused retval to strscpy

Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <[email protected]>
---
fs/proc/kcore.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
index dff921f7ca33..9f61d5d405f5 100644
--- a/fs/proc/kcore.c
+++ b/fs/proc/kcore.c
@@ -422,7 +422,7 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos)
char *notes;
size_t i = 0;

- strlcpy(prpsinfo.pr_psargs, saved_command_line,
+ strscpy(prpsinfo.pr_psargs, saved_command_line,
sizeof(prpsinfo.pr_psargs));

notes = kzalloc(notes_len, GFP_KERNEL);
--
2.35.1

2022-08-19 09:09:43

by Hans de Goede

[permalink] [raw]
Subject: Re: [PATCH 01/14] vboxsf: move from strlcpy with unused retval to strscpy

Hi,

On 8/18/22 23:01, Wolfram Sang wrote:
> Follow the advice of the below link and prefer 'strscpy' in this
> subsystem. Conversion is 1:1 because the return value is not used.
> Generated by a coccinelle script.
>
> Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
> Signed-off-by: Wolfram Sang <[email protected]>

Note you send this one twice. Since I'm not sure which one
will end up getting merged, I'm going to just reply to both...

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <[email protected]>

Regards,

Hans


> ---
> fs/vboxsf/super.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/vboxsf/super.c b/fs/vboxsf/super.c
> index d2f6df69f611..1fb8f4df60cb 100644
> --- a/fs/vboxsf/super.c
> +++ b/fs/vboxsf/super.c
> @@ -176,7 +176,7 @@ static int vboxsf_fill_super(struct super_block *sb, struct fs_context *fc)
> }
> folder_name->size = size;
> folder_name->length = size - 1;
> - strlcpy(folder_name->string.utf8, fc->source, size);
> + strscpy(folder_name->string.utf8, fc->source, size);
> err = vboxsf_map_folder(folder_name, &sbi->root);
> kfree(folder_name);
> if (err) {

2022-08-20 08:21:00

by Wolfram Sang

[permalink] [raw]
Subject: Re: [PATCH 01/14] vboxsf: move from strlcpy with unused retval to strscpy


> Note you send this one twice. Since I'm not sure which one
> will end up getting merged, I'm going to just reply to both...

Ouch, yes, I sent out all subfolders in fs/ twice. Will fix my scripts,
I am sorry for the noise!


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