#2131: Using fragmentation in ad-hoc mode crashes host when sending packets
exceeding fragment size
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Reporter: [EMAIL PROTECTED] | Owner: nbd
Type: defect | Status: new
Priority: major | Milestone:
Component: madwifi-hal-testing | Version:
Resolution: | Keywords: Fragmentation bug
Patch_attached: 0 | Pending: 0
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Old description:
> Ubuntu kernel 2.6.24-19-generic on Core Duo
> Dmesg:
> Atheros HAL provided by OpenWrt, DD-WRT and MakSat Technologies
> MadWifi: ath_attach: Switching rfkill capability off.
> wifi0: Atheros AR5213A chip found (MAC 5.9, PHY 2112 4.3, Radio 3.6)
> ath_pci: wifi0: Atheros 5212: mem=0x84000000, irq=18
>
> wlanconfig ath0 destroy
> wlanconfig ath0 create wlandev wifi0 wlanmode adhoc
> ifconfig <ip addr> up
> iwconfig ath0 channel 10 essid test
> iwconfig ath0 rate 1M
> ping <ip addr> (works)
> iwconfig ath0 frag 256
> ping <ip addr> (works)
> ping -s 256 <ip addr>
> BANG! (machine crashes immediately)
New description:
Ubuntu kernel 2.6.24-19-generic on Core Duo
Dmesg:
{{{
Atheros HAL provided by OpenWrt, DD-WRT and MakSat Technologies
MadWifi: ath_attach: Switching rfkill capability off.
wifi0: Atheros AR5213A chip found (MAC 5.9, PHY 2112 4.3, Radio 3.6)
ath_pci: wifi0: Atheros 5212: mem=0x84000000, irq=18
}}}
{{{
wlanconfig ath0 destroy
wlanconfig ath0 create wlandev wifi0 wlanmode adhoc
ifconfig <ip addr> up
iwconfig ath0 channel 10 essid test
iwconfig ath0 rate 1M
ping <ip addr> (works)
iwconfig ath0 frag 256
ping <ip addr> (works)
ping -s 256 <ip addr>
BANG! (machine crashes immediately)
}}}
--
Ticket URL: <https://madwifi.org/ticket/2131#comment:1>
madwifi.org <http://madwifi.org/>
Multiband Atheros Driver for Wireless Fidelity
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