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| author | Paulo Alcantara <pc@manguebit.com> | 2024-08-21 05:45:03 +0200 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2024-08-22 19:37:16 +0200 |
| commit | ec686804117a0421cf31d54427768aaf93aa0069 (patch) | |
| tree | 9a30389680ed3ff274dbc786d906abbb20512f12 /fs | |
| parent | smb3: fix problem unloading module due to leaked refcount on shutdown (diff) | |
| download | linux-ec686804117a0421cf31d54427768aaf93aa0069.tar.xz linux-ec686804117a0421cf31d54427768aaf93aa0069.zip | |
smb: client: ignore unhandled reparse tags
Just ignore reparse points that the client can't parse rather than
bailing out and not opening the file or directory.
Reported-by: Marc <1marc1@gmail.com>
Closes: https://lore.kernel.org/r/CAMHwNVv-B+Q6wa0FEXrAuzdchzcJRsPKDDRrNaYZJd6X-+iJzw@mail.gmail.com
Fixes: 539aad7f14da ("smb: client: introduce ->parse_reparse_point()")
Tested-by: Anthony Nandaa (Microsoft) <profnandaa@gmail.com>
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/smb/client/reparse.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/fs/smb/client/reparse.c b/fs/smb/client/reparse.c index 689d8a506d45..48c27581ec51 100644 --- a/fs/smb/client/reparse.c +++ b/fs/smb/client/reparse.c @@ -378,6 +378,8 @@ int parse_reparse_point(struct reparse_data_buffer *buf, u32 plen, struct cifs_sb_info *cifs_sb, bool unicode, struct cifs_open_info_data *data) { + struct cifs_tcon *tcon = cifs_sb_master_tcon(cifs_sb); + data->reparse.buf = buf; /* See MS-FSCC 2.1.2 */ @@ -394,12 +396,13 @@ int parse_reparse_point(struct reparse_data_buffer *buf, case IO_REPARSE_TAG_LX_FIFO: case IO_REPARSE_TAG_LX_CHR: case IO_REPARSE_TAG_LX_BLK: - return 0; + break; default: - cifs_dbg(VFS, "%s: unhandled reparse tag: 0x%08x\n", - __func__, le32_to_cpu(buf->ReparseTag)); - return -EOPNOTSUPP; + cifs_tcon_dbg(VFS | ONCE, "unhandled reparse tag: 0x%08x\n", + le32_to_cpu(buf->ReparseTag)); + break; } + return 0; } int smb2_parse_reparse_point(struct cifs_sb_info *cifs_sb, |