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authorUmang Jain <umang.jain@ideasonboard.com>2021-08-19 19:40:48 +0530
committerUmang Jain <umang.jain@ideasonboard.com>2021-08-19 19:56:57 +0530
commit3558334561ed7712de088b496804ab3cbe1c8cd7 (patch)
tree372f0558e80461918316c5120f9daf79bc933f46 /src/android/data/nautilus
parentcdb70b5c4012e8bb87d4fe9008f466fab13ef062 (diff)
libcamera: ipc_pipe: Do not run memcpy with null arguments
IPCMessage::payload() converts the IPCMessage into an IPCUnixSocket payload. However, if IPCMessage is constructed with one of the following constructors - IPCMessage::IPCMessage(), IPCMessage::IPCMessage(uint32_t cmd) IPCMessage::IPCMessage(const Header &header) The data_ vector of IPCMessage is empty and uninitialised. In that case, IPCMessage::payload will try to memcpy() an empty data_ vector which can lead to invoking memcpy() with a nullptr parameter, which is then identified by the address sanity checker.. Add a non-empty data_ vector check to avoid it. The issue is noticed by running a test manually, testing the vimc IPA code paths in isolated mode. It is only noticed when the test is compiled with -Db_sanitize=address,undefined meson built-in option. ipc_pipe.cpp:110:8: runtime error: null pointer passed as argument 2, which is declared to never be null Signed-off-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Diffstat (limited to 'src/android/data/nautilus')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.1 (git 2.18.0) at 2025-02-10 19:43:37 +0000
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{
    "rpi.black_level":
    {
        "black_level": 1024
    },
    "rpi.dpc":
    {

    },
    "rpi.lux":
    {
        "reference_shutter_speed": 21663,
        "reference_gain": 1.0,
        "reference_aperture": 1.0,
        "reference_lux": 987,
        "reference_Y": 8961
    },
    "rpi.noise":
    {
        "reference_constant": 0,
        "reference_slope": 4.25
    },
    "rpi.geq":
    {
        "offset": 401,
        "slope": 0.05619
    },
    "rpi.sdn":
    {

    },
    "rpi.awb":
    {
	"bayes": 0
    },
    "rpi.agc":
    {
        "metering_modes":
        {
            "centre-weighted":
            {
                "weights":
                [
                    3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
                ]
            },
            "spot":
            {
                "weights":
                [
                    2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
                ]
            },
            "matrix":
            {
                "weights":
                [
                    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
                ]
            }
        },
        "exposure_modes":
        {
            "normal":
            {
                "shutter":
                [
                    100, 10000, 30000, 60000, 66666
                ],
                "gain":
                [
                    1.0, 2.0, 4.0, 6.0, 6.0
                ]
            },
            "short":
            {