mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-09-22 04:31:58 +08:00
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>
This commit is contained in:
parent
5a7ee91d11
commit
c69813471a
@ -8038,10 +8038,10 @@ static void smb20_oplock_break_ack(struct ksmbd_work *work)
|
|||||||
goto err_out;
|
goto err_out;
|
||||||
}
|
}
|
||||||
|
|
||||||
opinfo_put(opinfo);
|
|
||||||
ksmbd_fd_put(work, fp);
|
|
||||||
opinfo->op_state = OPLOCK_STATE_NONE;
|
opinfo->op_state = OPLOCK_STATE_NONE;
|
||||||
wake_up_interruptible_all(&opinfo->oplock_q);
|
wake_up_interruptible_all(&opinfo->oplock_q);
|
||||||
|
opinfo_put(opinfo);
|
||||||
|
ksmbd_fd_put(work, fp);
|
||||||
|
|
||||||
rsp->StructureSize = cpu_to_le16(24);
|
rsp->StructureSize = cpu_to_le16(24);
|
||||||
rsp->OplockLevel = rsp_oplevel;
|
rsp->OplockLevel = rsp_oplevel;
|
||||||
|
Loading…
Reference in New Issue
Block a user