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authorLinus Torvalds <torvalds@linux-foundation.org>2022-06-03 16:57:16 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-06-03 16:57:16 -0700
commit1f952675835bfe18d6ae494a5581724d68c52352 (patch)
tree8b523ca9e9e2cd79e6aa53ec915bf5968601e5c1
parent67850b7bdcd2803e10d019f0da5673a92139b43a (diff)
parent724bbe49c5e427cb077357d72d240a649f2e4054 (diff)
downloadlinux-1f952675835bfe18d6ae494a5581724d68c52352.tar.bz2
Merge tag 'ntfs3_for_5.19' of https://github.com/Paragon-Software-Group/linux-ntfs3
Pull ntfs3 updates from Konstantin Komarov: - fix some memory leaks and panic - fixed xfstests (tested on x86_64): generic/092 generic/099 generic/228 generic/240 generic/307 generic/444 - fix some typos, dead code, etc * tag 'ntfs3_for_5.19' of https://github.com/Paragon-Software-Group/linux-ntfs3: fs/ntfs3: provide block_invalidate_folio to fix memory leak fs/ntfs3: Fix invalid free in log_replay fs/ntfs3: Update valid size if -EIOCBQUEUED fs/ntfs3: Check new size for limits fs/ntfs3: Fix fiemap + fix shrink file size (to remove preallocated space) fs/ntfs3: In function ntfs_set_acl_ex do not change inode->i_mode if called from function ntfs_init_acl fs/ntfs3: Optimize locking in ntfs_save_wsl_perm fs/ntfs3: Update i_ctime when xattr is added fs/ntfs3: Restore ntfs_xattr_get_acl and ntfs_xattr_set_acl functions fs/ntfs3: Keep preallocated only if option prealloc enabled fs/ntfs3: Fix some memory leaks in an error handling path of 'log_replay()'
-rw-r--r--fs/ntfs3/file.c12
-rw-r--r--fs/ntfs3/frecord.c10
-rw-r--r--fs/ntfs3/fslog.c12
-rw-r--r--fs/ntfs3/inode.c9
-rw-r--r--fs/ntfs3/xattr.c136
5 files changed, 149 insertions, 30 deletions
diff --git a/fs/ntfs3/file.c b/fs/ntfs3/file.c
index a4fcdc7927ca..8e9d2b35175f 100644
--- a/fs/ntfs3/file.c
+++ b/fs/ntfs3/file.c
@@ -492,7 +492,7 @@ static int ntfs_truncate(struct inode *inode, loff_t new_size)
down_write(&ni->file.run_lock);
err = attr_set_size(ni, ATTR_DATA, NULL, 0, &ni->file.run, new_size,
- &new_valid, true, NULL);
+ &new_valid, ni->mi.sbi->options->prealloc, NULL);
up_write(&ni->file.run_lock);
if (new_valid < ni->i_valid)
@@ -659,7 +659,13 @@ static long ntfs_fallocate(struct file *file, int mode, loff_t vbo, loff_t len)
/*
* Normal file: Allocate clusters, do not change 'valid' size.
*/
- err = ntfs_set_size(inode, max(end, i_size));
+ loff_t new_size = max(end, i_size);
+
+ err = inode_newsize_ok(inode, new_size);
+ if (err)
+ goto out;
+
+ err = ntfs_set_size(inode, new_size);
if (err)
goto out;
@@ -759,7 +765,7 @@ int ntfs3_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
}
inode_dio_wait(inode);
- if (attr->ia_size < oldsize)
+ if (attr->ia_size <= oldsize)
err = ntfs_truncate(inode, attr->ia_size);
else if (attr->ia_size > oldsize)
err = ntfs_extend(inode, attr->ia_size, 0, NULL);
diff --git a/fs/ntfs3/frecord.c b/fs/ntfs3/frecord.c
index 6f47a9c17f89..18842998c8fa 100644
--- a/fs/ntfs3/frecord.c
+++ b/fs/ntfs3/frecord.c
@@ -1964,10 +1964,8 @@ int ni_fiemap(struct ntfs_inode *ni, struct fiemap_extent_info *fieinfo,
vcn += clen;
- if (vbo + bytes >= end) {
+ if (vbo + bytes >= end)
bytes = end - vbo;
- flags |= FIEMAP_EXTENT_LAST;
- }
if (vbo + bytes <= valid) {
;
@@ -1977,6 +1975,9 @@ int ni_fiemap(struct ntfs_inode *ni, struct fiemap_extent_info *fieinfo,
/* vbo < valid && valid < vbo + bytes */
u64 dlen = valid - vbo;
+ if (vbo + dlen >= end)
+ flags |= FIEMAP_EXTENT_LAST;
+
err = fiemap_fill_next_extent(fieinfo, vbo, lbo, dlen,
flags);
if (err < 0)
@@ -1995,6 +1996,9 @@ int ni_fiemap(struct ntfs_inode *ni, struct fiemap_extent_info *fieinfo,
flags |= FIEMAP_EXTENT_UNWRITTEN;
}
+ if (vbo + bytes >= end)
+ flags |= FIEMAP_EXTENT_LAST;
+
err = fiemap_fill_next_extent(fieinfo, vbo, lbo, bytes, flags);
if (err < 0)
break;
diff --git a/fs/ntfs3/fslog.c b/fs/ntfs3/fslog.c
index 06492f088d60..49b7df616778 100644
--- a/fs/ntfs3/fslog.c
+++ b/fs/ntfs3/fslog.c
@@ -1185,8 +1185,6 @@ static int log_read_rst(struct ntfs_log *log, u32 l_size, bool first,
if (!r_page)
return -ENOMEM;
- memset(info, 0, sizeof(struct restart_info));
-
/* Determine which restart area we are looking for. */
if (first) {
vbo = 0;
@@ -3791,10 +3789,11 @@ int log_replay(struct ntfs_inode *ni, bool *initialized)
if (!log)
return -ENOMEM;
+ memset(&rst_info, 0, sizeof(struct restart_info));
+
log->ni = ni;
log->l_size = l_size;
log->one_page_buf = kmalloc(page_size, GFP_NOFS);
-
if (!log->one_page_buf) {
err = -ENOMEM;
goto out;
@@ -3842,6 +3841,7 @@ int log_replay(struct ntfs_inode *ni, bool *initialized)
if (rst_info.vbo)
goto check_restart_area;
+ memset(&rst_info2, 0, sizeof(struct restart_info));
err = log_read_rst(log, l_size, false, &rst_info2);
/* Determine which restart area to use. */
@@ -4085,8 +4085,10 @@ process_log:
if (client == LFS_NO_CLIENT_LE) {
/* Insert "NTFS" client LogFile. */
client = ra->client_idx[0];
- if (client == LFS_NO_CLIENT_LE)
- return -EINVAL;
+ if (client == LFS_NO_CLIENT_LE) {
+ err = -EINVAL;
+ goto out;
+ }
t16 = le16_to_cpu(client);
cr = ca + t16;
diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c
index 74f60c457f28..be4ebdd8048b 100644
--- a/fs/ntfs3/inode.c
+++ b/fs/ntfs3/inode.c
@@ -758,6 +758,7 @@ static ssize_t ntfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
loff_t vbo = iocb->ki_pos;
loff_t end;
int wr = iov_iter_rw(iter) & WRITE;
+ size_t iter_count = iov_iter_count(iter);
loff_t valid;
ssize_t ret;
@@ -771,10 +772,13 @@ static ssize_t ntfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
wr ? ntfs_get_block_direct_IO_W
: ntfs_get_block_direct_IO_R);
- if (ret <= 0)
+ if (ret > 0)
+ end = vbo + ret;
+ else if (wr && ret == -EIOCBQUEUED)
+ end = vbo + iter_count;
+ else
goto out;
- end = vbo + ret;
valid = ni->i_valid;
if (wr) {
if (end > valid && !S_ISBLK(inode->i_mode)) {
@@ -1950,6 +1954,7 @@ const struct address_space_operations ntfs_aops = {
.direct_IO = ntfs_direct_IO,
.bmap = ntfs_bmap,
.dirty_folio = block_dirty_folio,
+ .invalidate_folio = block_invalidate_folio,
};
const struct address_space_operations ntfs_aops_cmpr = {
diff --git a/fs/ntfs3/xattr.c b/fs/ntfs3/xattr.c
index afd0ddad826f..5e0e0280e70d 100644
--- a/fs/ntfs3/xattr.c
+++ b/fs/ntfs3/xattr.c
@@ -112,7 +112,7 @@ static int ntfs_read_ea(struct ntfs_inode *ni, struct EA_FULL **ea,
return -ENOMEM;
if (!size) {
- ;
+ /* EA info persists, but xattr is empty. Looks like EA problem. */
} else if (attr_ea->non_res) {
struct runs_tree run;
@@ -259,7 +259,7 @@ out:
static noinline int ntfs_set_ea(struct inode *inode, const char *name,
size_t name_len, const void *value,
- size_t val_size, int flags)
+ size_t val_size, int flags, bool locked)
{
struct ntfs_inode *ni = ntfs_i(inode);
struct ntfs_sb_info *sbi = ni->mi.sbi;
@@ -278,7 +278,8 @@ static noinline int ntfs_set_ea(struct inode *inode, const char *name,
u64 new_sz;
void *p;
- ni_lock(ni);
+ if (!locked)
+ ni_lock(ni);
run_init(&ea_run);
@@ -467,7 +468,8 @@ update_ea:
mark_inode_dirty(&ni->vfs_inode);
out:
- ni_unlock(ni);
+ if (!locked)
+ ni_unlock(ni);
run_close(&ea_run);
kfree(ea_all);
@@ -541,7 +543,7 @@ struct posix_acl *ntfs_get_acl(struct inode *inode, int type, bool rcu)
static noinline int ntfs_set_acl_ex(struct user_namespace *mnt_userns,
struct inode *inode, struct posix_acl *acl,
- int type)
+ int type, bool init_acl)
{
const char *name;
size_t size, name_len;
@@ -554,8 +556,9 @@ static noinline int ntfs_set_acl_ex(struct user_namespace *mnt_userns,
switch (type) {
case ACL_TYPE_ACCESS:
- if (acl) {
- umode_t mode = inode->i_mode;
+ /* Do not change i_mode if we are in init_acl */
+ if (acl && !init_acl) {
+ umode_t mode;
err = posix_acl_update_mode(mnt_userns, inode, &mode,
&acl);
@@ -598,7 +601,7 @@ static noinline int ntfs_set_acl_ex(struct user_namespace *mnt_userns,
flags = 0;
}
- err = ntfs_set_ea(inode, name, name_len, value, size, flags);
+ err = ntfs_set_ea(inode, name, name_len, value, size, flags, 0);
if (err == -ENODATA && !size)
err = 0; /* Removing non existed xattr. */
if (!err)
@@ -616,7 +619,68 @@ out:
int ntfs_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
struct posix_acl *acl, int type)
{
- return ntfs_set_acl_ex(mnt_userns, inode, acl, type);
+ return ntfs_set_acl_ex(mnt_userns, inode, acl, type, false);
+}
+
+static int ntfs_xattr_get_acl(struct user_namespace *mnt_userns,
+ struct inode *inode, int type, void *buffer,
+ size_t size)
+{
+ struct posix_acl *acl;
+ int err;
+
+ if (!(inode->i_sb->s_flags & SB_POSIXACL)) {
+ ntfs_inode_warn(inode, "add mount option \"acl\" to use acl");
+ return -EOPNOTSUPP;
+ }
+
+ acl = ntfs_get_acl(inode, type, false);
+ if (IS_ERR(acl))
+ return PTR_ERR(acl);
+
+ if (!acl)
+ return -ENODATA;
+
+ err = posix_acl_to_xattr(mnt_userns, acl, buffer, size);
+ posix_acl_release(acl);
+
+ return err;
+}
+
+static int ntfs_xattr_set_acl(struct user_namespace *mnt_userns,
+ struct inode *inode, int type, const void *value,
+ size_t size)
+{
+ struct posix_acl *acl;
+ int err;
+
+ if (!(inode->i_sb->s_flags & SB_POSIXACL)) {
+ ntfs_inode_warn(inode, "add mount option \"acl\" to use acl");
+ return -EOPNOTSUPP;
+ }
+
+ if (!inode_owner_or_capable(mnt_userns, inode))
+ return -EPERM;
+
+ if (!value) {
+ acl = NULL;
+ } else {
+ acl = posix_acl_from_xattr(mnt_userns, value, size);
+ if (IS_ERR(acl))
+ return PTR_ERR(acl);
+
+ if (acl) {
+ err = posix_acl_valid(mnt_userns, acl);
+ if (err)
+ goto release_and_out;
+ }
+ }
+
+ err = ntfs_set_acl(mnt_userns, inode, acl, type);
+
+release_and_out:
+ posix_acl_release(acl);
+ return err;
}
/*
@@ -636,7 +700,7 @@ int ntfs_init_acl(struct user_namespace *mnt_userns, struct inode *inode,
if (default_acl) {
err = ntfs_set_acl_ex(mnt_userns, inode, default_acl,
- ACL_TYPE_DEFAULT);
+ ACL_TYPE_DEFAULT, true);
posix_acl_release(default_acl);
} else {
inode->i_default_acl = NULL;
@@ -647,7 +711,7 @@ int ntfs_init_acl(struct user_namespace *mnt_userns, struct inode *inode,
else {
if (!err)
err = ntfs_set_acl_ex(mnt_userns, inode, acl,
- ACL_TYPE_ACCESS);
+ ACL_TYPE_ACCESS, true);
posix_acl_release(acl);
}
@@ -785,6 +849,23 @@ static int ntfs_getxattr(const struct xattr_handler *handler, struct dentry *de,
goto out;
}
+#ifdef CONFIG_NTFS3_FS_POSIX_ACL
+ if ((name_len == sizeof(XATTR_NAME_POSIX_ACL_ACCESS) - 1 &&
+ !memcmp(name, XATTR_NAME_POSIX_ACL_ACCESS,
+ sizeof(XATTR_NAME_POSIX_ACL_ACCESS))) ||
+ (name_len == sizeof(XATTR_NAME_POSIX_ACL_DEFAULT) - 1 &&
+ !memcmp(name, XATTR_NAME_POSIX_ACL_DEFAULT,
+ sizeof(XATTR_NAME_POSIX_ACL_DEFAULT)))) {
+ /* TODO: init_user_ns? */
+ err = ntfs_xattr_get_acl(
+ &init_user_ns, inode,
+ name_len == sizeof(XATTR_NAME_POSIX_ACL_ACCESS) - 1
+ ? ACL_TYPE_ACCESS
+ : ACL_TYPE_DEFAULT,
+ buffer, size);
+ goto out;
+ }
+#endif
/* Deal with NTFS extended attribute. */
err = ntfs_get_ea(inode, name, name_len, buffer, size, NULL);
@@ -897,10 +978,29 @@ set_new_fa:
goto out;
}
+#ifdef CONFIG_NTFS3_FS_POSIX_ACL
+ if ((name_len == sizeof(XATTR_NAME_POSIX_ACL_ACCESS) - 1 &&
+ !memcmp(name, XATTR_NAME_POSIX_ACL_ACCESS,
+ sizeof(XATTR_NAME_POSIX_ACL_ACCESS))) ||
+ (name_len == sizeof(XATTR_NAME_POSIX_ACL_DEFAULT) - 1 &&
+ !memcmp(name, XATTR_NAME_POSIX_ACL_DEFAULT,
+ sizeof(XATTR_NAME_POSIX_ACL_DEFAULT)))) {
+ err = ntfs_xattr_set_acl(
+ mnt_userns, inode,
+ name_len == sizeof(XATTR_NAME_POSIX_ACL_ACCESS) - 1
+ ? ACL_TYPE_ACCESS
+ : ACL_TYPE_DEFAULT,
+ value, size);
+ goto out;
+ }
+#endif
/* Deal with NTFS extended attribute. */
- err = ntfs_set_ea(inode, name, name_len, value, size, flags);
+ err = ntfs_set_ea(inode, name, name_len, value, size, flags, 0);
out:
+ inode->i_ctime = current_time(inode);
+ mark_inode_dirty(inode);
+
return err;
}
@@ -913,35 +1013,37 @@ int ntfs_save_wsl_perm(struct inode *inode)
{
int err;
__le32 value;
+ struct ntfs_inode *ni = ntfs_i(inode);
- /* TODO: refactor this, so we don't lock 4 times in ntfs_set_ea */
+ ni_lock(ni);
value = cpu_to_le32(i_uid_read(inode));
err = ntfs_set_ea(inode, "$LXUID", sizeof("$LXUID") - 1, &value,
- sizeof(value), 0);
+ sizeof(value), 0, true); /* true == already locked. */
if (err)
goto out;
value = cpu_to_le32(i_gid_read(inode));
err = ntfs_set_ea(inode, "$LXGID", sizeof("$LXGID") - 1, &value,
- sizeof(value), 0);
+ sizeof(value), 0, true);
if (err)
goto out;
value = cpu_to_le32(inode->i_mode);
err = ntfs_set_ea(inode, "$LXMOD", sizeof("$LXMOD") - 1, &value,
- sizeof(value), 0);
+ sizeof(value), 0, true);
if (err)
goto out;
if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {
value = cpu_to_le32(inode->i_rdev);
err = ntfs_set_ea(inode, "$LXDEV", sizeof("$LXDEV") - 1, &value,
- sizeof(value), 0);
+ sizeof(value), 0, true);
if (err)
goto out;
}
out:
+ ni_unlock(ni);
/* In case of error should we delete all WSL xattr? */
return err;
}