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Subject2.6.9-rc4 tcp_transmit_skb: BUG_ON(!tcp_skb_pcount(skb))
First I'd like to know is it safe to call get_random_bytes
from net/ipv4/tcp_ipv4.c:tcp_v4_get_port() when I am using
that fortuna [1] patch, which uses CryptoAPI...
fortuna is calling the crypto funcs from softirq AFAICS.
I tried 2.6.9-rc2-bk7 without fortuna and it did not seem
to crash but there has also been some changes into network code...

I ran command
nmap -vvv -O -p1-65535 -T Insane -sT
and there are four services listening on that port range.
nmap -sS does not seem to cause BUG.

pencil-and-paper-in-180-seconds follows

Invalid operand 0

ohh, and I also have linux-2.6.7-voluntary-preemption.patch
from Redhat Fedora's kernel-2.6.8-1.603.
writing to disk causes max 25ms latency, however 8-|


NOTE: scripts/ver_linux is buggy, it uses gcc found on PATH instead of
CC from Makefile. I used gcc-2.95.3 to compile the kernel.

Linux safari.finland.fbi 2.6.9-rc4 #13 Wed Oct 13 23:27:26 EEST 2004 i686 i686 i386 GNU/Linux

Gnu C 3.4.2
Gnu make 3.80
util-linux 2.12
mount 2.12
module-init-tools 3.1-pre5
e2fsprogs 1.35
jfsutils 1.0.24
reiserfsprogs 3.6.18
reiser4progs line
xfsprogs 2.3.9
pcmcia-cs 3.2.7
quota-tools 3.12.
PPP 2.4.2
nfs-utils 1.0.6
Linux C Library 2.3.3
Dynamic linker (ldd) 2.3.3
Procps 3.2.3
Net-tools 1.60
Kbd 1.12
Sh-utils 5.2.1
Modules Loaded ip6t_LOG ip6table_filter sch_hfsc cls_fw cls_route
sch_ingress sch_red sch_tbf sch_teql sch_prio sch_gred cls_rsvp cls_rsvp6
cls_tcindex sch_cbq sch_dsmark ipt_ttl ipt_tos ipt_tcpmss ipt_sctp ipt_recent
ipt_pkttype ipt_physdev ipt_nth ipt_mark ipt_mac ipt_iprange ipt_helper ipt_esp
ipt_ecn ipt_dscp ipt_conntrack ipt_ah ipt_addrtype ipt_ULOG ipt_TTL ipt_TOS
ipt_IPMARK ipt_DSCP ipt_CLASSIFY ip_queue ip_nat_tftp ip_nat_snmp_basic
ip_nat_irc ip_nat_ftp ip_nat_amanda ip_conntrack_tftp ip_conntrack_proto_sctp
ip_conntrack_irc ip_conntrack_ftp ip_conntrack_amanda arptable_filter
arpt_mangle arp_tables xfs ipv6 snd_seq_midi snd_seq_oss snd_seq_midi_event
snd_seq lp parport_pc parport w83781d i2c_sensor i2c_piix4 tuner tvaudio
msp3400 bttv video_buf i2c_algo_bit v4l2_common btcx_risc i2c_core videodev
ohci_hcd loop ipt_length ipt_connlimit dm_mod ipt_TARPIT ipt_ECN ipt_state
ipt_multiport ipt_owner cls_u32 sch_sfq sch_htb uhci_hcd ipt_REJECT ipt_LOG
ipt_limit iptable_raw iptable_mangle iptable_nat snd_ens1371 snd_rawmidi
ip_conntrack ip6_tables snd_seq_device snd_pcm_oss iptable_filter ip_tables
snd_mixer_oss snd_pcm snd_timer snd_page_alloc snd_ac97_codec snd soundcore
gameport irlan irda crc_ccitt 8139too mii floppy


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