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linux/net/sched
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Stephen Hemminger 268bcca1e7 [PKT_SCHED] ematch: oops from uninitialized variable (resend) 
Setting up a meta match causes a kernel OOPS because of uninitialized
elements in tree.

[   37.322381] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
[   37.322381] IP: [<ffffffff883fc717>] :em_meta:em_meta_destroy+0x17/0x80

[   37.322381] Call Trace:
[   37.322381]  [<ffffffff803ec83d>] tcf_em_tree_destroy+0x2d/0xa0
[   37.322381]  [<ffffffff803ecc8c>] tcf_em_tree_validate+0x2dc/0x4a0
[   37.322381]  [<ffffffff803f06d2>] nla_parse+0x92/0xe0
[   37.322381]  [<ffffffff883f9672>] :cls_basic:basic_change+0x202/0x3c0
[   37.322381]  [<ffffffff802a3917>] kmem_cache_alloc+0x67/0xa0
[   37.322381]  [<ffffffff803ea221>] tc_ctl_tfilter+0x3b1/0x580
[   37.322381]  [<ffffffff803dffd0>] rtnetlink_rcv_msg+0x0/0x260
[   37.322381]  [<ffffffff803ee944>] netlink_rcv_skb+0x74/0xa0
[   37.322381]  [<ffffffff803dffc8>] rtnetlink_rcv+0x18/0x20
[   37.322381]  [<ffffffff803ee6c3>] netlink_unicast+0x263/0x290
[   37.322381]  [<ffffffff803cf276>] __alloc_skb+0x96/0x160
[   37.322381]  [<ffffffff803ef014>] netlink_sendmsg+0x274/0x340
[   37.322381]  [<ffffffff803c7c3b>] sock_sendmsg+0x12b/0x140
[   37.322381]  [<ffffffff8024de90>] autoremove_wake_function+0x0/0x30
[   37.322381]  [<ffffffff8024de90>] autoremove_wake_function+0x0/0x30
[   37.322381]  [<ffffffff803c7c3b>] sock_sendmsg+0x12b/0x140
[   37.322381]  [<ffffffff80288611>] zone_statistics+0xb1/0xc0
[   37.322381]  [<ffffffff803c7e5e>] sys_sendmsg+0x20e/0x360
[   37.322381]  [<ffffffff803c7411>] sockfd_lookup_light+0x41/0x80
[   37.322381]  [<ffffffff8028d04b>] handle_mm_fault+0x3eb/0x7f0
[   37.322381]  [<ffffffff8020c2fb>] system_call_after_swapgs+0x7b/0x80

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-09 03:47:19 -08:00
..
act_api.c [NET_SCHED]: Use typeful attribute parsing helpers 2008-01-28 15:11:21 -08:00
act_gact.c [NET_SCHED]: Use nla_policy for attribute validation in actions 2008-01-28 15:11:23 -08:00
act_ipt.c [NET_SCHED]: Use nla_policy for attribute validation in actions 2008-01-28 15:11:23 -08:00
act_mirred.c [NET_SCHED]: Use nla_policy for attribute validation in actions 2008-01-28 15:11:23 -08:00
act_nat.c [NET_SCHED]: Use nla_policy for attribute validation in actions 2008-01-28 15:11:23 -08:00
act_pedit.c [NET_SCHED]: Use nla_policy for attribute validation in actions 2008-01-28 15:11:23 -08:00
act_police.c [NET_SCHED]: Use nla_policy for attribute validation in actions 2008-01-28 15:11:23 -08:00
act_simple.c [NET_SCHED]: Use nla_policy for attribute validation in actions 2008-01-28 15:11:23 -08:00
cls_api.c [NET_SCHED]: Constify struct tcf_ext_map 2008-01-31 19:28:34 -08:00
cls_basic.c [NET_SCHED]: Constify struct tcf_ext_map 2008-01-31 19:28:34 -08:00
cls_flow.c [NET_SCHED]: cls_flow: support classification based on VLAN tag 2008-02-05 16:21:04 -08:00
cls_fw.c [NET_SCHED]: Constify struct tcf_ext_map 2008-01-31 19:28:34 -08:00
cls_route.c [NET_SCHED]: Constify struct tcf_ext_map 2008-01-31 19:28:34 -08:00
cls_rsvp6.c [NET_SCHED]: Remove unnecessary includes 2007-07-10 22:16:41 -07:00
cls_rsvp.c [NET_SCHED]: Remove unnecessary includes 2007-07-10 22:16:41 -07:00
cls_rsvp.h [NET_SCHED]: Use nla_policy for attribute validation in classifiers 2008-01-28 15:11:23 -08:00
cls_tcindex.c [NET_SCHED]: Constify struct tcf_ext_map 2008-01-31 19:28:34 -08:00
cls_u32.c [NET_SCHED]: Constify struct tcf_ext_map 2008-01-31 19:28:34 -08:00
em_cmp.c [NET_SCHED]: ematch: module autoloading 2007-07-11 19:46:26 -07:00
em_meta.c [TC]: oops in em_meta 2008-02-07 18:13:00 -08:00
em_nbyte.c [NET_SCHED]: ematch: module autoloading 2007-07-11 19:46:26 -07:00
em_text.c [NET_SCHED]: Convert classifiers from rtnetlink to new netlink API 2008-01-28 15:11:11 -08:00
em_u32.c [NET_SCHED]: ematch: module autoloading 2007-07-11 19:46:26 -07:00
ematch.c [PKT_SCHED] ematch: oops from uninitialized variable (resend) 2008-02-09 03:47:19 -08:00
Kconfig [NET_SCHED]: Add flow classifier 2008-01-31 19:28:36 -08:00
Makefile [NET_SCHED]: Add flow classifier 2008-01-31 19:28:36 -08:00
sch_api.c [NET_SCHED]: sch_api: introduce constant for rate table size 2008-01-28 15:11:21 -08:00
sch_atm.c [NET_SCHED]: Use nla_policy for attribute validation in packet schedulers 2008-01-28 15:11:22 -08:00
sch_blackhole.c [NET]: Move Qdisc_class_ops and Qdisc_ops in appropriate sections. 2008-01-28 14:53:58 -08:00
sch_cbq.c [NET_SCHED]: Use nla_policy for attribute validation in packet schedulers 2008-01-28 15:11:22 -08:00
sch_dsmark.c [NET_SCHED]: Use nla_policy for attribute validation in packet schedulers 2008-01-28 15:11:22 -08:00
sch_fifo.c [NET_SCHED]: Convert packet schedulers from rtnetlink to new netlink API 2008-01-28 15:11:10 -08:00
sch_generic.c [NET_SCHED]: Convert packet schedulers from rtnetlink to new netlink API 2008-01-28 15:11:10 -08:00
sch_gred.c [NET_SCHED]: Use nla_policy for attribute validation in packet schedulers 2008-01-28 15:11:22 -08:00
sch_hfsc.c [NET_SCHED]: Use nla_policy for attribute validation in packet schedulers 2008-01-28 15:11:22 -08:00
sch_htb.c [NET_SCHED]: Use nla_policy for attribute validation in packet schedulers 2008-01-28 15:11:22 -08:00
sch_ingress.c [NET_SCHED]: sch_ingress: remove netfilter support 2008-01-31 19:28:25 -08:00
sch_netem.c [NET_SCHED]: Use nla_policy for attribute validation in packet schedulers 2008-01-28 15:11:22 -08:00
sch_prio.c [NET_SCHED]: Propagate nla_parse return value 2008-01-28 15:11:18 -08:00
sch_red.c [NET_SCHED]: Use nla_policy for attribute validation in packet schedulers 2008-01-28 15:11:22 -08:00
sch_sfq.c [NET_SCHED]: sch_sfq: make internal queues visible as classes 2008-01-31 19:28:35 -08:00
sch_tbf.c [NET_SCHED]: Use nla_policy for attribute validation in packet schedulers 2008-01-28 15:11:22 -08:00
sch_teql.c [PKT_SCHED] sch_teql.c: Duplicate IFF_BROADCAST in FMASK, remove 2nd. 2008-01-31 19:28:29 -08:00