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linux/net/sched
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Randy Dunlap bd1248f1dd net: sched: prevent invalid Scell_log shift count 
Check Scell_log shift size in red_check_params() and modify all callers
of red_check_params() to pass Scell_log.

This prevents a shift out-of-bounds as detected by UBSAN:
  UBSAN: shift-out-of-bounds in ./include/net/red.h:252:22
  shift exponent 72 is too large for 32-bit type 'int'

Fixes: 8afa10cbe2 ("net_sched: red: Avoid illegal values")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: syzbot+97c5bd9cc81eca63d36e@syzkaller.appspotmail.com
Cc: Nogah Frankel <nogahf@mellanox.com>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Cc: netdev@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-12-28 14:52:54 -08:00
..
act_api.c net/sched: sch_frag: add generic packet fragment support. 2020-11-27 14:36:02 -08:00
act_bpf.c net: sched: fix misspellings using misspell-fixer tool 2020-11-10 17:00:28 -08:00
act_connmark.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_csum.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_ct.c net/sched: act_ct: enable stats for HW offloaded entries 2020-11-28 11:43:40 -08:00
act_ctinfo.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-10-05 18:40:01 -07:00
act_gact.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_gate.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-10-05 18:40:01 -07:00
act_ife.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_ipt.c treewide: rename nla_strlcpy to nla_strscpy. 2020-11-16 08:08:54 -08:00
act_meta_mark.c
act_meta_skbprio.c
act_meta_skbtcindex.c
act_mirred.c net/sched: sch_frag: add generic packet fragment support. 2020-11-27 14:36:02 -08:00
act_mpls.c net/sched: act_mpls: ensure LSE is pullable before reading it 2020-12-03 11:13:37 -08:00
act_nat.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_pedit.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_police.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_sample.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_simple.c treewide: rename nla_strlcpy to nla_strscpy. 2020-11-16 08:08:54 -08:00
act_skbedit.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_skbmod.c net_sched: defer tcf_idr_insert() in tcf_action_init_1() 2020-09-24 19:46:21 -07:00
act_tunnel_key.c net/sched: act_tunnel_key: fix OOB write in case of IPv6 ERSPAN tunnels 2020-10-20 21:10:41 -07:00
act_vlan.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-10-05 18:40:01 -07:00
cls_api.c net: sched: remove redundant 'rtnl_held' argument 2020-12-01 11:24:56 -08:00
cls_basic.c
cls_bpf.c
cls_cgroup.c
cls_flow.c Remove uninitialized_var() macro for v5.9-rc1 2020-08-04 13:49:43 -07:00
cls_flower.c net: sched: Fix dump of MPLS_OPT_LSE_LABEL attribute in cls_flower 2020-12-09 20:39:38 -08:00
cls_fw.c
cls_matchall.c
cls_route.c
cls_rsvp6.c
cls_rsvp.c
cls_rsvp.h net: sched: fix misspellings using misspell-fixer tool 2020-11-10 17:00:28 -08:00
cls_tcindex.c
cls_u32.c net/sched: cls_u32: simplify the return expression of u32_reoffload_knode() 2020-12-08 16:22:53 -08:00
em_canid.c
em_cmp.c net: sched: fix misspellings using misspell-fixer tool 2020-11-10 17:00:28 -08:00
em_ipset.c
em_ipt.c
em_meta.c
em_nbyte.c
em_text.c
em_u32.c
ematch.c
Kconfig net: sched: incorrect Kconfig dependencies on Netfilter modules 2020-12-09 15:49:29 -08:00
Makefile net/sched: sch_frag: add generic packet fragment support. 2020-11-27 14:36:02 -08:00
sch_api.c net: sched: remove redundant 'rtnl_held' argument 2020-12-01 11:24:56 -08:00
sch_atm.c net: sched: convert tasklets to use new tasklet_setup() API 2020-11-07 10:41:15 -08:00
sch_blackhole.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_cake.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
sch_cbq.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-08-05 20:13:21 -07:00
sch_cbs.c net: don't include ethtool.h from netdevice.h 2020-11-23 17:27:04 -08:00
sch_choke.c net: sched: prevent invalid Scell_log shift count 2020-12-28 14:52:54 -08:00
sch_codel.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_drr.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_dsmark.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_etf.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_ets.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_fifo.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_fq_codel.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-08-05 20:13:21 -07:00
sch_fq_pie.c net/sched: fq_pie: initialize timer earlier in fq_pie_init() 2020-12-04 14:15:01 -08:00
sch_fq.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_frag.c net/sched: sch_frag: add generic packet fragment support. 2020-11-27 14:36:02 -08:00
sch_generic.c net/sched: get rid of qdisc->padded 2020-10-09 08:08:08 -07:00
sch_gred.c net: sched: prevent invalid Scell_log shift count 2020-12-28 14:52:54 -08:00
sch_hfsc.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-08-05 20:13:21 -07:00
sch_hhf.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_htb.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-08-05 20:13:21 -07:00
sch_ingress.c
sch_mq.c
sch_mqprio.c
sch_multiq.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_netem.c netem: fix zero division in tabledist 2020-10-29 11:45:47 -07:00
sch_pie.c net: sched: fix misspellings using misspell-fixer tool 2020-11-10 17:00:28 -08:00
sch_plug.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_prio.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_qfq.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_red.c net: sched: prevent invalid Scell_log shift count 2020-12-28 14:52:54 -08:00
sch_sfb.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_sfq.c net: sched: prevent invalid Scell_log shift count 2020-12-28 14:52:54 -08:00
sch_skbprio.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_taprio.c net/sched: sch_taprio: ensure to reset/destroy all child qdiscs 2020-12-18 16:43:29 -08:00
sch_tbf.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00
sch_teql.c Revert "net: sched: Pass root lock to Qdisc_ops.enqueue" 2020-07-16 16:48:34 -07:00