diff options
| author | luosili <rootlab@huawei.com> | 2023-10-04 18:29:36 +0900 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2023-10-04 20:21:48 -0500 |
| commit | c69813471a1ec081a0b9bf0c6bd7e8afd818afce (patch) | |
| tree | 7252c94564e9c79e3f7a079ed1c9447883eea82a | |
| parent | 5a7ee91d1154f35418367a6eaae74046fd06ed89 (diff) | |
| download | vfs-c69813471a1ec081a0b9bf0c6bd7e8afd818afce.tar.gz | |
ksmbd: fix uaf in smb20_oplock_break_ack
drop reference after use opinfo.
Signed-off-by: luosili <rootlab@huawei.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
| -rw-r--r-- | fs/smb/server/smb2pdu.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c index 420e7691c8cfc..b9d6e8e451ba2 100644 --- a/fs/smb/server/smb2pdu.c +++ b/fs/smb/server/smb2pdu.c @@ -8038,10 +8038,10 @@ static void smb20_oplock_break_ack(struct ksmbd_work *work) goto err_out; } - opinfo_put(opinfo); - ksmbd_fd_put(work, fp); opinfo->op_state = OPLOCK_STATE_NONE; wake_up_interruptible_all(&opinfo->oplock_q); + opinfo_put(opinfo); + ksmbd_fd_put(work, fp); rsp->StructureSize = cpu_to_le16(24); rsp->OplockLevel = rsp_oplevel; |