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f85729d07c
linux/net/sched
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Paolo Abeni f85729d07c sch_sfq: fix null pointer dereference at timer expiration 
While converting sch_sfq to use timer_setup(), the commit cdeabbb881
("net: sched: Convert timers to use timer_setup()") forgot to
initialize the 'sch' field. As a result, the timer callback tries to
dereference a NULL pointer, and the kernel does oops.

Fix it initializing such field at qdisc creation time.

Fixes: cdeabbb881 ("net: sched: Convert timers to use timer_setup()")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-28 15:54:05 -05:00
..
act_api.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-10 10:00:18 +09:00
act_bpf.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-10 10:00:18 +09:00
act_connmark.c Revert "net_sched: hold netns refcnt for each action" 2017-11-09 10:03:09 +09:00
act_csum.c net: accept UFO datagrams from tuntap and packet 2017-11-24 01:37:35 +09:00
act_gact.c Revert "net_sched: hold netns refcnt for each action" 2017-11-09 10:03:09 +09:00
act_ife.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-10 10:00:18 +09:00
act_ipt.c Revert "net_sched: hold netns refcnt for each action" 2017-11-09 10:03:09 +09:00
act_meta_mark.c net sched actions: change IFE modules alias names 2017-10-12 22:13:20 -07:00
act_meta_skbprio.c net sched actions: change IFE modules alias names 2017-10-12 22:13:20 -07:00
act_meta_skbtcindex.c net sched actions: change IFE modules alias names 2017-10-12 22:13:20 -07:00
act_mirred.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-10 10:00:18 +09:00
act_nat.c Revert "net_sched: hold netns refcnt for each action" 2017-11-09 10:03:09 +09:00
act_pedit.c Revert "net_sched: hold netns refcnt for each action" 2017-11-09 10:03:09 +09:00
act_police.c Revert "net_sched: hold netns refcnt for each action" 2017-11-09 10:03:09 +09:00
act_sample.c Revert "net_sched: hold netns refcnt for each action" 2017-11-09 10:03:09 +09:00
act_simple.c Revert "net_sched: hold netns refcnt for each action" 2017-11-09 10:03:09 +09:00
act_skbedit.c Revert "net_sched: hold netns refcnt for each action" 2017-11-09 10:03:09 +09:00
act_skbmod.c Revert "net_sched: hold netns refcnt for each action" 2017-11-09 10:03:09 +09:00
act_tunnel_key.c Revert "net_sched: hold netns refcnt for each action" 2017-11-09 10:03:09 +09:00
act_vlan.c act_vlan: VLAN action rewrite to use RCU lock/unlock and update 2017-11-10 15:32:20 +09:00
cls_api.c net: sched: crash on blocks with goto chain action 2017-11-25 23:57:20 +09:00
cls_basic.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-10 10:00:18 +09:00
cls_bpf.c cls_bpf: don't decrement net's refcount when offload fails 2017-11-28 15:49:44 -05:00
cls_cgroup.c cls_cgroup: use tcf_exts_get_net() before call_rcu() 2017-11-09 10:03:09 +09:00
cls_flow.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-10 10:00:18 +09:00
cls_flower.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-10 10:00:18 +09:00
cls_fw.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-10 10:00:18 +09:00
cls_matchall.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-10 10:00:18 +09:00
cls_route.c cls_route: use tcf_exts_get_net() before call_rcu() 2017-11-09 10:03:10 +09:00
cls_rsvp6.c
cls_rsvp.c
cls_rsvp.h cls_rsvp: use tcf_exts_get_net() before call_rcu() 2017-11-09 10:03:10 +09:00
cls_tcindex.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-10 10:00:18 +09:00
cls_u32.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-10 10:00:18 +09:00
em_canid.c
em_cmp.c
em_ipset.c netfilter: x_tables: move hook state into xt_action_param structure 2016-11-03 10:56:21 +01:00
em_meta.c net: convert sock.sk_refcnt from atomic_t to refcount_t 2017-07-01 07:39:08 -07:00
em_nbyte.c
em_text.c
em_u32.c
ematch.c net: sched: ematch: obtain net pointer from blocks 2017-10-16 21:00:40 +01:00
Kconfig net/sched: Introduce Credit Based Shaper (CBS) qdisc 2017-10-27 09:48:02 -07:00
Makefile Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-04 09:26:51 +09:00
sch_api.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-10-30 21:09:24 +09:00
sch_atm.c net: sched: store Qdisc pointer in struct block 2017-10-16 21:00:40 +01:00
sch_blackhole.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_cbq.c net: sched: mark expected switch fall-throughs 2017-10-22 02:07:08 +01:00
sch_cbs.c net_sch: cbs: Change TC_SETUP_CBS to TC_SETUP_QDISC_CBS 2017-11-08 12:23:38 +09:00
sch_choke.c treewide: use kv[mz]alloc* rather than opencoded variants 2017-05-08 17:15:13 -07:00
sch_codel.c netlink: pass extended ACK struct to parsing functions 2017-04-13 13:58:22 -04:00
sch_drr.c net: sched: mark expected switch fall-throughs 2017-10-22 02:07:08 +01:00
sch_dsmark.c net: sched: store Qdisc pointer in struct block 2017-10-16 21:00:40 +01:00
sch_fifo.c sched: don't use skb queue helpers 2016-09-19 01:47:18 -04:00
sch_fq_codel.c net: sched: mark expected switch fall-throughs 2017-10-22 02:07:08 +01:00
sch_fq.c mm, tree wide: replace __GFP_REPEAT by __GFP_RETRY_MAYFAIL with more useful semantic 2017-07-12 16:26:03 -07:00
sch_generic.c net: core: introduce mini_Qdisc and eliminate usage of tp->q for clsact fastpath 2017-11-03 21:57:24 +09:00
sch_gred.c netlink: pass extended ACK struct to parsing functions 2017-04-13 13:58:22 -04:00
sch_hfsc.c net: sched: mark expected switch fall-throughs 2017-10-22 02:07:08 +01:00
sch_hhf.c sch_hhf: fix null pointer dereference on init failure 2017-08-30 15:26:11 -07:00
sch_htb.c net: sched: mark expected switch fall-throughs 2017-10-22 02:07:08 +01:00
sch_ingress.c net: core: introduce mini_Qdisc and eliminate usage of tp->q for clsact fastpath 2017-11-03 21:57:24 +09:00
sch_mq.c net/sched: Change behavior of mq select_queue() 2017-10-27 09:41:45 -07:00
sch_mqprio.c net_sch: mqprio: Change TC_SETUP_MQPRIO to TC_SETUP_QDISC_MQPRIO 2017-11-08 12:23:38 +09:00
sch_multiq.c net: sched: mark expected switch fall-throughs 2017-10-22 02:07:08 +01:00
sch_netem.c netem: remove unnecessary 64 bit modulus 2017-11-15 14:14:16 +09:00
sch_pie.c net: sched: Convert timers to use timer_setup() 2017-10-18 12:39:54 +01:00
sch_plug.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_prio.c net: sched: mark expected switch fall-throughs 2017-10-22 02:07:08 +01:00
sch_qfq.c net: sched: mark expected switch fall-throughs 2017-10-22 02:07:08 +01:00
sch_red.c net/sched/sch_red.c: work around gcc-4.4.4 anon union initializer issue 2017-11-13 10:33:07 +09:00
sch_sfb.c net: sched: mark expected switch fall-throughs 2017-10-22 02:07:08 +01:00
sch_sfq.c sch_sfq: fix null pointer dereference at timer expiration 2017-11-28 15:54:05 -05:00
sch_tbf.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-09-01 17:42:05 -07:00
sch_teql.c net: make ndo_get_stats64 a void function 2017-01-08 17:51:44 -05:00