| Message ID | 20230316143502.7059-1-congmingyi@gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | [v3] fs: add the tuncate check of exfat | expand |
diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c index 0685c1c77b9f..3f2e34936b8d 100644 --- a/fs/ksmbd/smb2pdu.c +++ b/fs/ksmbd/smb2pdu.c @@ -5746,7 +5746,8 @@ static int set_end_of_file_info(struct ksmbd_work *work, struct ksmbd_file *fp, * truncate of some filesystem like FAT32 fill zero data in * truncated range. */ - if (inode->i_sb->s_magic != MSDOS_SUPER_MAGIC) { + if (inode->i_sb->s_magic != MSDOS_SUPER_MAGIC || + inode->i_sb->s_magic != EXFAT_SUPER_MAGIC) { ksmbd_debug(SMB, "truncated to newsize %lld\n", newsize); rc = ksmbd_vfs_truncate(work, fp, newsize); if (rc) {
EXFAT will fill zero data in truncated range. Fix this by adding EXFAT_SUPER_MAGIC check. Signed-off-by: MIngyi Cong <congmingyi@gmail.com> --- V1 -> V2: add the truncate check of hfs and remove EXFAT_SUPER_MAGIC in magic.h V2 -> V3: remove the truncate check of hfs and hfsplus fs/ksmbd/smb2pdu.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)