ligd 1796663e08 rpmsg_socket: fix kasan report error
==1598322==ERROR: AddressSanitizer: heap-use-after-free on address 0xf514f8a8 at pc 0x58ac3898 bp 0xd0b4d488 sp 0xd0b4d478
READ of size 4 at 0xf514f8a8 thread T0
    #0 0x58ac3897 in rpmsg_socket_pollnotify rpmsg/rpmsg_sockif.c:211
    #1 0x58ac512f in rpmsg_socket_ept_cb rpmsg/rpmsg_sockif.c:312
    #2 0x5787881c in rpmsg_virtio_rx_callback open-amp/lib/rpmsg/rpmsg_virtio.c:331
    #3 0x57886a67 in virtqueue_notification open-amp/lib/virtio/virtqueue.c:623
    #4 0x5786fb89 in rproc_virtio_notified open-amp/lib/remoteproc/remoteproc_virtio.c:340
    #5 0x5786bde3 in remoteproc_get_notification open-amp/lib/remoteproc/remoteproc.c:985
    #6 0x57755a50 in rptun_worker rptun/rptun.c:303
    #7 0x57755e51 in rptun_thread rptun/rptun.c:352
    #8 0x57730d4a in nxtask_start task/task_start.c:128
    #9 0xdeadbeee  (/memfd:pulseaudio (deleted)+0x15dbeee)

Signed-off-by: ligd <liguiding1@xiaomi.com>
2022-03-29 10:09:49 +08:00
..
2022-03-12 19:24:17 +02:00
2022-03-28 23:26:34 +08:00
2021-08-02 08:23:35 -03:00

README
======

Directory Structure
===================

  nuttx/
   |
   `- net/
       |
       +- arp        - Address resolution protocol (IPv4)
       +- bluetooth  - PF_BLUETOOTH socket interface
       +- devif      - Stack/device interface layer
       +- icmp       - Internet Control Message Protocol (IPv4)
       +- icmpv6     - Internet Control Message Protocol (IPv6)
       +- ieee802154 - PF_IEEE802154 socket interface
       +- inet       - PF_INET/PF_INET6 socket interface
       +- ipforward  - IP forwarding logic
       +- local      - Unix domain (local) sockets
       +- mld        - Multicast Listener Discovery (MLD)
       +- neighbor   - Neighbor Discovery Protocol (IPv6)
       +- netdev     - Socket network device interface
       +- netlink    - Netlink IPC socket interface
       +- pkt        - "Raw" packet socket support
       +- sixlowpan  - 6LoWPAN implementation
       +- socket     - BSD socket interface
       +- route      - Routing table support
       +- tcp        - Transmission Control Protocol
       +- udp        - User Datagram Protocol
       +- usrsock    - User socket API for user-space networking stack
       `- utils      - Miscellaneous utility functions

    +-------------------------------------------------------------------++------------------------+
    |                     Application layer                             || usrsock daemon         |
    +-------------------------------------------------------------------++------------------------+
    +-------------------------------------------------------------------++----------------+ +-----+
    |                   Socket layer (socket/)                          || /dev/usrsock   | |     |
    +-------------------------------------------------------------------++----------------+ |     |
    +------------++--------------------------------------------------++-------------------+ |     |
    |  Network   || Protocol stacks (arp, ipv6, icmp, pkt, tcp, udp) || usrsock/          | |     |
    |   Device   |+--------------------------------------------------++-------------------+ |     |
    | Interface  |+------------------------------------++---------------------------------+ |     |
    | (netdev/)  ||  Network Device Interface (devif/) || Utilities                       | |     |
    +------------++------------------------------------++---------------------------------+ |     |
    +----------------------------------------------------------------+                      |     |
    |                    Network Device Drivers                      |                      | HAL |
    +----------------------------------------------------------------+                      +-----+
    +----------------------------------------------------------------+ +--------------------------+
    |                    Networking Hardware                         | |  Hardware TCP/IP Stack   |
    +----------------------------------------------------------------+ +--------------------------+