commit | 29973f8a88b001ebc605c88cdee124f7256ecdbf | [log] [tgz] |
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author | Fuqian Huang <huangfq.daxian@gmail.com> | Thu Apr 18 12:35:57 2019 +0800 |
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Thu Apr 25 11:58:56 2019 +0200 |
tree | 8606f14cb8e4a3c6f186d8e049f15266be01c59e | |
parent | 8daa89e099708db1ffc694c812cb3c0737f1e22b [diff] |
tty: rocket: Remove RCPK_GET_STRUCT ioctl If the cmd is RCPK_GET_STRUCT, copy_to_user will copy info to user space. As info->port.ops is the address of a constant object rocket_port_ops (assigned in init_r_port), a kernel address leakage happens. Remove the RCPK_GET_STRUCT ioctl. Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>