ip_dev_loopback_xmit: bad owned skb = c1e292c0: etc...

[Arkadiusz Miskiewicz <misiek@xxxxxxxxxx>]

Hi all.

I *probably* found a bug in network part of kernel:
root@dark pocket# ./bootpc --dev lo
ip_dev_loopback_xmit: bad owned skb = c1e292c0:
skb: pf=2 (unowned) dev=dummy0 len=328
PROTO=17 192.168.0.1:68 255.255.255.255:67 L=328 S=0x00 I=0 F=0x4000 T=64
ip_finish_output: bad owned skb = c1e293a0:
skb: pf=2 (owned) dev=dummy0 len=328
PROTO=17 192.168.0.1:68 255.255.255.255:67 L=328 S=0x00 I=0 F=0x4000 T=64
ip_local_deliver: bad non-lo skb:
skb: pf=2 (unowned) dev=dummy0 len=328
PROTO=17 192.168.0.1:68 255.255.255.255:67 L=328 S=0x00 I=0 F=0x4000 T=64
ip_dev_loopback_xmit: bad owned skb = c1e29100:
skb: pf=2 (unowned) dev=dummy0 len=328
PROTO=17 192.168.0.1:68 255.255.255.255:67 L=328 S=0x00 I=0 F=0x4000 T=64
ip_finish_output: bad owned skb = c1e29aa0:
skb: pf=2 (owned) dev=dummy0 len=328
PROTO=17 192.168.0.1:68 255.255.255.255:67 L=328 S=0x00 I=0 F=0x4000 T=64
ip_local_deliver: bad non-lo skb:
skb: pf=2 (unowned) dev=dummy0 len=328
PROTO=17 192.168.0.1:68 255.255.255.255:67 L=328 S=0x00 I=0 F=0x4000 T=64

root@dark pocket# ip addr show
1: lo: <LOOPBACK,UP> mtu 3924 qdisc noqueue
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope global lo
    inet6 ::1/128 scope host
2: sit0@NONE: <NOARP> mtu 1480 qdisc noop
    link/sit 0.0.0.0 brd 0.0.0.0
3: dummy0: <BROADCAST,NOARP,UP> mtu 1500 qdisc noqueue
    link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.1/32 brd 192.168.0.1 scope global dummy0
    inet6 fe80::200:ff:fe00:0/10 scope link
    inet6 3ffe:902:12::10/128 scope global
root@dark pocket# ip link show
1: lo: <LOOPBACK,UP> mtu 3924 qdisc noqueue
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: sit0@NONE: <NOARP> mtu 1480 qdisc noop
    link/sit 0.0.0.0 brd 0.0.0.0
3: dummy0: <BROADCAST,NOARP,UP> mtu 1500 qdisc noqueue
    link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff
root@dark pocket# uname -a
Linux dark 2.3.51 #8 Mon Mar 13 19:12:19 CET 2000 i586 pld
root@dark pocket#

I just tried one thing with old (0.64) bootpc client.

-- 
Arkadiusz Miśkiewicz         http://www.misiek.eu.org/
PLD GNU/Linux [IPv6 enabled]  http://www.pld.org.pl/