Search Linux Wireless

Re: [PATCH 3.1] iwlagn: fix stack corruption

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, Sep 12, 2011 at 12:08 PM, Johannes Berg
<johannes@xxxxxxxxxxxxxxxx> wrote:
>
> --- a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c      2011-09-12 21:01:34.000000000 +0200
> +++ b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c      2011-09-12 21:01:43.000000000 +0200
> @@ -167,7 +167,7 @@ static int iwlagn_set_temperature_offset
>
>        memset(&cmd, 0, sizeof(cmd));
>        iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD);
> -       memcpy(&cmd.radio_sensor_offset, offset_calib, sizeof(offset_calib));
> +       memcpy(&cmd.radio_sensor_offset, offset_calib, sizeof(*offset_calib));
>        if (!(cmd.radio_sensor_offset))
>                cmd.radio_sensor_offset = DEFAULT_RADIO_SENSOR_OFFSET;

Nice catch!

This kinda bug seems ideal for Julia Lawall's stuff to catch, doesn't it?

Right: memcpy(addr, obj, sizeof(*obj))
Wrong: memcpy(addr, obj, sizeof(obj))

Dan
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Samba]     [Device Mapper]
  Powered by Linux