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linux/net/sched
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Vinicius Costa Gomes 83bd58952b taprio: Fix allowing too small intervals 
[ Upstream commit b5b73b26b3ca34574124ed7ae9c5ba8391a7f176 ]

It's possible that the user specifies an interval that couldn't allow
any packet to be transmitted. This also avoids the issue of the
hrtimer handler starving the other threads because it's running too
often.

The solution is to reject interval sizes that according to the current
link speed wouldn't allow any packet to be transmitted.

Reported-by: syzbot+8267241609ae8c23b248@syzkaller.appspotmail.com
Fixes: 5a781ccbd19e ("tc: Add support for configuring the taprio scheduler")
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-26 18:03:13 +02:00
..
act_api.c
net: avoid potential infinite loop in tc_ctl_action()
2019-10-15 20:20:22 -07:00
act_bpf.c
net_sched: fix a NULL pointer deref in ipt action
2019-08-27 15:05:58 -07:00
act_connmark.c
sched: consistently handle layer3 header accesses in the presence of VLANs
2020-07-22 09:32:48 +02:00
act_csum.c
sched: consistently handle layer3 header accesses in the presence of VLANs
2020-07-22 09:32:48 +02:00
act_ct.c
net/sched: act_ct: Fix skb double-free in tcf_ct_handle_fragments() error flow
2020-09-03 11:26:40 +02:00
act_ctinfo.c
sched: consistently handle layer3 header accesses in the presence of VLANs
2020-07-22 09:32:48 +02:00
act_gact.c
net_sched: fix a NULL pointer deref in ipt action
2019-08-27 15:05:58 -07:00
act_ife.c
act_ife: load meta modules before tcf_idr_check_alloc()
2020-09-26 18:03:11 +02:00
act_ipt.c
net_sched: fix a NULL pointer deref in ipt action
2019-08-27 15:05:58 -07:00
act_meta_mark.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
act_meta_skbprio.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
act_meta_skbtcindex.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
act_mirred.c
net: Fix CONFIG_NET_CLS_ACT=n and CONFIG_NFT_FWD_NETDEV={y, m} build
2020-04-01 11:02:18 +02:00
act_mpls.c
sched: consistently handle layer3 header accesses in the presence of VLANs
2020-07-22 09:32:48 +02:00
act_nat.c
net_sched: fix a NULL pointer deref in ipt action
2019-08-27 15:05:58 -07:00
act_pedit.c
net/sched: act_pedit: fix WARN() in the traffic path
2019-11-19 18:57:16 -08:00
act_police.c
net_sched: act_police: add 2 new attributes to support police 64bit rate and peakrate
2019-09-06 15:02:16 +02:00
act_sample.c
net/sched: act_sample: don't push mac header on ip6gre ingress
2019-09-20 17:01:59 -07:00
act_simple.c
net_sched: fix a NULL pointer deref in ipt action
2019-08-27 15:05:58 -07:00
act_skbedit.c
sched: consistently handle layer3 header accesses in the presence of VLANs
2020-07-22 09:32:48 +02:00
act_skbmod.c
net_sched: fix a NULL pointer deref in ipt action
2019-08-27 15:05:58 -07:00
act_tunnel_key.c
net: sched: ensure opts_len <= IP_TUNNEL_OPTS_MAX in act_tunnel_key
2019-11-18 17:17:07 -08:00
act_vlan.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-09-02 11:20:17 -07:00
cls_api.c
sched: consistently handle layer3 header accesses in the presence of VLANs
2020-07-22 09:32:48 +02:00
cls_basic.c
net_sched: fix ops->bind_class() implementations
2020-02-01 09:34:38 +00:00
cls_bpf.c
net_sched: fix ops->bind_class() implementations
2020-02-01 09:34:38 +00:00
cls_cgroup.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
cls_flow.c
sched: consistently handle layer3 header accesses in the presence of VLANs
2020-07-22 09:32:48 +02:00
cls_flower.c
sched: consistently handle layer3 header accesses in the presence of VLANs
2020-07-22 09:32:48 +02:00
cls_fw.c
net_sched: fix ops->bind_class() implementations
2020-02-01 09:34:38 +00:00
cls_matchall.c
net/sched: matchall: add missing validation of TCA_MATCHALL_FLAGS
2020-02-24 08:36:22 +01:00
cls_route.c
net_sched: cls_route: remove the right filter from hashtable
2020-04-01 11:01:36 +02:00
cls_rsvp6.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
cls_rsvp.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
cls_rsvp.h
cls_rsvp: fix rsvp_policy
2020-02-11 04:35:03 -08:00
cls_tcindex.c
net_sched: fix a missing refcnt in tcindex_init()
2020-04-13 10:48:04 +02:00
cls_u32.c
net_sched: fix ops->bind_class() implementations
2020-02-01 09:34:38 +00:00
em_canid.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 11
2019-05-21 11:28:45 +02:00
em_cmp.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
em_ipset.c
sched: consistently handle layer3 header accesses in the presence of VLANs
2020-07-22 09:32:48 +02:00
em_ipt.c
sched: consistently handle layer3 header accesses in the presence of VLANs
2020-07-22 09:32:48 +02:00
em_meta.c
sched: consistently handle layer3 header accesses in the presence of VLANs
2020-07-22 09:32:48 +02:00
em_nbyte.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
em_text.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
em_u32.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
ematch.c
net_sched: ematch: reject invalid TCF_EM_SIMPLE
2020-02-01 09:34:38 +00:00
Kconfig
net/sched: Set default of CONFIG_NET_TC_SKB_EXT to N
2019-09-27 20:08:28 +02:00
Makefile
net/sched: Introduce action ct
2019-07-09 12:11:59 -07:00
sch_api.c
net_sched: walk through all child classes in tc_bind_tclass()
2020-02-01 09:34:39 +00:00
sch_atm.c
net_sched: fix a memory leak in atm_tc_init()
2020-07-22 09:32:48 +02:00
sch_blackhole.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
sch_cake.c
sched: consistently handle layer3 header accesses in the presence of VLANs
2020-07-22 09:32:48 +02:00
sch_cbq.c
sch_cbq: validate TCA_CBQ_WRROPT to avoid crash
2019-09-30 11:07:46 -07:00
sch_cbs.c
net: cbs: Fix software cbs to consider packet sending time
2020-04-01 11:01:33 +02:00
sch_choke.c
sch_choke: avoid potential panic in choke_reset()
2020-05-14 07:58:22 +02:00
sch_codel.c
net: sched: Fix a possible null-pointer dereference in dequeue_func()
2019-07-29 09:46:58 -07:00
sch_drr.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
sch_dsmark.c
sched: consistently handle layer3 header accesses in the presence of VLANs
2020-07-22 09:32:48 +02:00
sch_etf.c
sched: etf: do not assume all sockets are full blown
2020-04-29 16:33:09 +02:00
sch_fifo.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
sch_fq_codel.c
fq_codel: fix TCA_FQ_CODEL_DROP_BATCH_SIZE sanity checks
2020-05-14 07:58:20 +02:00
sch_fq.c
net: fq: add missing attribute validation for orphan mask
2020-03-18 07:17:45 +01:00
sch_generic.c
net: sch_generic: aviod concurrent reset and enqueue op for lockless qdisc
2020-09-26 18:03:13 +02:00
sch_gred.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
sch_hfsc.c
netlink: make validation more configurable for future strictness
2019-04-27 17:07:21 -04:00
sch_hhf.c
net/flow_dissector: switch to siphash
2019-10-23 20:13:22 -07:00
sch_htb.c
net: sched: sch_htb: don't call qdisc_put() while holding tree lock
2019-09-27 12:13:55 +02:00
sch_ingress.c
net: flow_offload: rename TCF_BLOCK_BINDER_TYPE_* to FLOW_BLOCK_BINDER_TYPE_*
2019-07-09 14:38:50 -07:00
sch_mq.c
net: sched: fix dump qlen for sch_mq/sch_mqprio with NOLOCK subqueues
2019-12-18 16:08:24 +01:00
sch_mqprio.c
net: sched: fix dump qlen for sch_mq/sch_mqprio with NOLOCK subqueues
2019-12-18 16:08:24 +01:00
sch_multiq.c
net: sched: fix tc -s class show no bstats on class with nolock subqueues
2019-12-04 22:30:54 +01:00
sch_netem.c
net: netem: correct the parent's backlog when corrupted packet was dropped
2019-10-19 12:12:36 -07:00
sch_pie.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 235
2019-06-19 17:09:07 +02:00
sch_plug.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
sch_prio.c
net: sch_prio: When ungrafting, replace with FIFO
2020-01-12 12:21:49 +01:00
sch_qfq.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
sch_red.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
sch_sfb.c
net/flow_dissector: switch to siphash
2019-10-23 20:13:22 -07:00
sch_sfq.c
sch_sfq: validate silly quantum values
2020-05-14 07:58:22 +02:00
sch_skbprio.c
net_sched: sch_skbprio: add message validation to skbprio_change()
2020-05-14 07:58:21 +02:00
sch_taprio.c
taprio: Fix allowing too small intervals
2020-09-26 18:03:13 +02:00
sch_tbf.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
sch_teql.c
sched: consistently handle layer3 header accesses in the presence of VLANs
2020-07-22 09:32:48 +02:00