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linux-rockchip/include/net
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Eric Dumazet fd32f1eee6 ipv6: remove nexthop_fib6_nh_bh() 
commit ef1148d4487438a3408d6face2a8360d91b4af70 upstream.

After blamed commit, nexthop_fib6_nh_bh() and nexthop_fib6_nh()
are the same.

Delete nexthop_fib6_nh_bh(), and convert /proc/net/ipv6_route
to standard rcu to avoid this splat:

[ 5723.180080] WARNING: suspicious RCU usage
[ 5723.180083] -----------------------------
[ 5723.180084] include/net/nexthop.h:516 suspicious rcu_dereference_check() usage!
[ 5723.180086]
other info that might help us debug this:

[ 5723.180087]
rcu_scheduler_active = 2, debug_locks = 1
[ 5723.180089] 2 locks held by cat/55856:
[ 5723.180091] #0: ffff9440a582afa8 (&p->lock){+.+.}-{3:3}, at: seq_read_iter (fs/seq_file.c:188)
[ 5723.180100] #1: ffffffffaac07040 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire (include/linux/rcupdate.h:326)
[ 5723.180109]
stack backtrace:
[ 5723.180111] CPU: 14 PID: 55856 Comm: cat Tainted: G S        I        6.3.0-dbx-DEV #528
[ 5723.180115] Call Trace:
[ 5723.180117]  <TASK>
[ 5723.180119] dump_stack_lvl (lib/dump_stack.c:107)
[ 5723.180124] dump_stack (lib/dump_stack.c:114)
[ 5723.180126] lockdep_rcu_suspicious (include/linux/context_tracking.h:122)
[ 5723.180132] ipv6_route_seq_show (include/net/nexthop.h:?)
[ 5723.180135] ? ipv6_route_seq_next (net/ipv6/ip6_fib.c:2605)
[ 5723.180140] seq_read_iter (fs/seq_file.c:272)
[ 5723.180145] seq_read (fs/seq_file.c:163)
[ 5723.180151] proc_reg_read (fs/proc/inode.c:316 fs/proc/inode.c:328)
[ 5723.180155] vfs_read (fs/read_write.c:468)
[ 5723.180160] ? up_read (kernel/locking/rwsem.c:1617)
[ 5723.180164] ksys_read (fs/read_write.c:613)
[ 5723.180168] __x64_sys_read (fs/read_write.c:621)
[ 5723.180170] do_syscall_64 (arch/x86/entry/common.c:?)
[ 5723.180174] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:120)
[ 5723.180177] RIP: 0033:0x7fa455677d2a

Fixes: 09eed1192cec ("neighbour: switch to standard rcu, instead of rcu_bh")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20230510154646.370659-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-10 22:00:46 +02:00
..
9p
net/9p: add 'pooled_rbuffers' flag to struct p9_trans_module
2022-10-05 07:05:41 +09:00
bluetooth
Bluetooth: use RCU for hci_conn_params and iterate safely in hci_sync
2023-07-27 08:50:47 +02:00
caif
net: remove the caif_hsi driver
2021-07-01 13:19:48 -07:00
iucv
net/af_iucv: Use struct_group() to zero struct iucv_sock region
2021-11-19 11:52:25 +00:00
netfilter
netfilter: nf_tables: fix kdoc warnings after gc rework
2023-10-06 14:57:02 +02:00
netns
net/ipv6: fix bool/int mismatch for skip_notify_on_dev_down
2023-06-14 11:15:17 +02:00
nfc
NFC: add NCI_UNREG flag to eliminate the race
2021-11-17 20:17:05 -08:00
phonet
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
sctp
sctp: add a refcnt in sctp_stream_priorities to avoid a nested loop
2023-03-11 13:55:26 +01:00
tc_act
net/sched: transition act_pedit to rcu and percpu stats
2023-03-11 13:55:28 +01:00
6lowpan.h
…
act_api.h
net: sched: act: move global static variable net_id to tc_action_ops
2022-09-09 08:24:41 +01:00
addrconf.h
ipv6/addrconf: fix a null-ptr-deref bug for ip6_ptr
2022-07-28 10:42:44 -07:00
af_ieee802154.h
…
af_rxrpc.h
rxrpc: Remove rxrpc_get_reply_time() which is no longer used
2022-09-01 11:44:13 +01:00
af_unix.h
af_unix: Remove unix_table_locks.
2022-06-22 12:59:43 +01:00
af_vsock.h
vsock: add API call for data ready
2022-08-23 10:43:11 +02:00
ah.h
…
amt.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
arp.h
neighbour: switch to standard rcu, instead of rcu_bh
2023-10-10 22:00:42 +02:00
atmclip.h
…
ax25.h
ax25: fix incorrect dev_tracker usage
2022-07-28 22:06:15 -07:00
ax88796.h
ax88796: Fix some typo in a comment
2022-08-09 22:14:02 -07:00
bareudp.h
bareudp: Move definition of struct bareudp_conf to bareudp.c
2021-12-13 12:34:09 +00:00
bond_3ad.h
net: bonding: Share lacpdu_mcast_addr definition
2022-09-16 14:34:01 +01:00
bond_alb.h
bonding (gcc13): synchronize bond_{a,t}lb_xmit() types
2023-05-11 23:03:41 +09:00
bond_options.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
bonding.h
bonding: fix macvlan over alb bond support
2023-08-30 16:11:04 +02:00
bpf_sk_storage.h
bpf: struct sock is declared twice in bpf_sk_storage header
2021-03-26 17:43:55 +01:00
busy_poll.h
net: Fix a data-race around sysctl_net_busy_poll.
2022-08-24 13:46:58 +01:00
calipso.h
…
cfg80211-wext.h
…
cfg80211.h
wifi: cfg80211: add missing kernel-doc for cqm_rssi_work
2023-10-10 22:00:40 +02:00
cfg802154.h
net: wrap the wireless pointers in struct net_device in an ifdef
2022-05-22 21:51:54 +01:00
checksum.h
powerpc/net: Implement powerpc specific csum_shift() to remove branch
2022-03-11 10:57:22 +00:00
cipso_ipv4.h
…
cls_cgroup.h
…
codel_impl.h
codel: remove unnecessary sock.h include
2021-12-22 15:03:47 -08:00
codel_qdisc.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
codel.h
codel: remove unnecessary pkt_sched.h include
2021-12-22 15:03:51 -08:00
compat.h
net: copy from user before calling __get_compat_msghdr
2022-07-24 18:39:17 -06:00
datalink.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
dcbevent.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
dcbnl.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
devlink.h
net: devlink: add port_init/fini() helpers to allow pre-register/post-unregister functions
2022-09-30 18:17:16 -07:00
dropreason.h
net: skb: export skb drop reaons to user by TRACE_DEFINE_ENUM
2022-09-07 15:28:08 +01:00
dsa.h
net: dsa: remove bool devlink_port_setup
2022-09-30 18:17:17 -07:00
dsfield.h
…
dst_cache.h
wireguard: device: reset peer src endpoint when netns exits
2021-11-29 19:50:45 -08:00
dst_metadata.h
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
2022-10-03 07:52:13 +01:00
dst_ops.h
…
dst.h
net: add atomic_long_t to net_device_stats fields
2022-12-31 13:33:02 +01:00
erspan.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
esp.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
espintcp.h
…
ethoc.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
failover.h
net: failover: add net device refcount tracker
2021-12-06 16:06:02 -08:00
fib_notifier.h
…
fib_rules.h
fib: expand fib_rule_policy
2021-12-16 07:18:35 -08:00
firewire.h
firewire: net: Make use of get_unaligned_be48(), put_unaligned_be48()
2022-07-28 22:21:54 -07:00
flow_dissector.h
flow_dissector: Add L2TPv3 dissectors
2022-09-20 09:13:38 +02:00
flow_offload.h
flow_offload: Introduce flow_match_l2tpv3
2022-09-20 09:13:38 +02:00
flow.h
net: Remove DECnet leftovers from flow.h.
2022-10-03 12:41:59 +01:00
fou.h
…
fq_impl.h
net/fq_impl: Use the bitmap API to allocate bitmaps
2022-07-11 19:49:38 -07:00
fq.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
garp.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
gen_stats.h
net: sched: Remove Qdisc::running sequence counter
2021-10-18 12:54:41 +01:00
genetlink.h
genetlink: piggy back on resv_op to default to a reject policy
2022-10-24 19:08:46 -07:00
geneve.h
…
gre.h
…
gro_cells.h
…
gro.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-08-25 16:07:42 -07:00
gtp.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
gue.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
hwbm.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
icmp.h
ipv6: ICMPV6: add response to ICMPV6 RFC 8335 PROBE messages
2021-06-28 14:29:45 -07:00
ieee80211_radiotap.h
ieee80211: radiotap: fix -Wcast-qual warnings
2022-02-04 16:25:21 +01:00
ieee802154_netdev.h
net: ieee802154: return -EINVAL for unknown addr type
2022-10-07 08:42:00 +01:00
if_inet6.h
ipv6: fix locking issues with loops over idev->addr_list
2022-04-06 22:09:39 -07:00
ife.h
…
ila.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
inet6_connection_sock.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
inet6_hashtables.h
net: allow unbound socket for packets in VRF when tcp_l3mdev_accept set
2022-07-29 11:58:54 +01:00
inet_common.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
inet_connection_sock.h
net: Add a bhash2 table hashed by port and address
2022-08-24 19:30:07 -07:00
inet_dscp.h
ipv6: Define dscp_t and stop taking ECN bits into account in fib6-rules
2022-02-07 20:12:45 -08:00
inet_ecn.h
net: add skb_get_dsfield() helper
2021-10-15 11:33:08 +01:00
inet_frag.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
inet_hashtables.h
tcp: Add TIME_WAIT sockets in bhash2.
2023-01-12 12:02:15 +01:00
inet_sock.h
ipv4: fix data-races around inet->inet_id
2023-08-30 16:11:02 +02:00
inet_timewait_sock.h
tcp: Add TIME_WAIT sockets in bhash2.
2023-01-12 12:02:15 +01:00
inetpeer.h
…
ioam6.h
treewide: Replace zero-length arrays with flexible-array members
2022-02-17 07:00:39 -06:00
ip6_checksum.h
net: move gro definitions to include/net/gro.h
2021-11-16 13:16:54 +00:00
ip6_fib.h
ipv6: Remove in6addr_any alternatives.
2023-09-19 12:28:10 +02:00
ip6_route.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
ip6_tunnel.h
ip_gre, ip6_gre: Fix race condition on o_seqno in collect_md mode
2022-04-25 11:40:45 +01:00
ip_fib.h
net: fib: avoid warn splat in flow dissector
2023-09-19 12:28:01 +02:00
ip_tunnels.h
ip_tunnels: use DEV_STATS_INC()
2023-09-19 12:28:03 +02:00
ip_vs.h
ipvs: Update width of source for ip_vs_sync_conn_options
2023-05-24 17:32:39 +01:00
ip.h
ipv4: ignore dst hint for multipath routes
2023-09-19 12:28:01 +02:00
ipcomp.h
xfrm: ipcomp: add extack to ipcomp{4,6}_init_state
2022-09-29 07:18:00 +02:00
ipconfig.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
ipv6_frag.h
net: don't include ndisc.h from ipv6.h
2022-02-04 14:15:11 -08:00
ipv6_stubs.h
bpf: Change bpf_getsockopt(SOL_IPV6) to reuse do_ipv6_getsockopt()
2022-09-02 20:34:32 -07:00
ipv6.h
tcp: Fix bind() regression for v4-mapped-v6 wildcard address.
2023-09-19 12:28:10 +02:00
iw_handler.h
…
kcm.h
…
l3mdev.h
…
lag.h
…
lapb.h
net: lapb: Make "lapb_t1timer_running" able to detect an already running timer
2021-03-23 14:14:50 -07:00
lib80211.h
…
llc_c_ac.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
llc_c_ev.h
…
llc_c_st.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
llc_conn.h
llc: add net device refcount tracker
2021-12-07 20:44:59 -08:00
llc_if.h
llc/snap: constify dev_addr passing
2021-10-13 09:40:46 -07:00
llc_pdu.h
net: llc: fix skb_over_panic
2021-07-27 13:05:56 +01:00
llc_s_ac.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
llc_s_ev.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
llc_s_st.h
add missing includes and forward declarations to networking includes under linux/
2022-07-28 11:29:36 +02:00
llc_sap.h
…
llc.h
llc: fix out-of-bound array index in llc_sk_dev_hash()
2021-11-07 19:25:29 +00:00
lwtunnel.h
lwt: Check LWTUNNEL_XMIT_CONTINUE strictly
2023-09-13 09:42:33 +02:00
mac80211.h
mac80211: make ieee80211_tx_info padding explicit
2023-09-13 09:42:34 +02:00
mac802154.h
net: mac802154: Create an error helper for asynchronous offloading errors
2022-04-25 20:51:12 +02:00
macsec.h
net: macsec: remove the prepare flag from the MACsec offloading context
2022-09-23 06:56:08 -07:00
mctp.h
mctp: Use output netdev to allocate skb headroom
2022-04-01 12:04:15 +01:00
mctpdevice.h
mctp: Pass flow data & flow release events to drivers
2021-10-29 13:23:51 +01:00
mip6.h
…
mld.h
mld: add new workqueues for process mld events
2021-03-26 15:14:56 -07:00
mpls_iptunnel.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
mpls.h
…
mptcp.h
mptcp: remove MPTCP 'ifdef' in TCP SYN cookies
2023-01-07 11:11:44 +01:00
mrp.h
mrp: introduce active flags to prevent UAF when applicant uninit
2022-12-31 13:33:02 +01:00
ncsi.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
ndisc.h
neighbour: switch to standard rcu, instead of rcu_bh
2023-10-10 22:00:42 +02:00
neighbour.h
neighbour: fix data-races around n->output
2023-10-10 22:00:42 +02:00
net_debug.h
net: add CONFIG_DEBUG_NET
2022-05-11 12:43:10 +01:00
net_failover.h
…
net_namespace.h
netfilter: nf_flow_table: count pending offload workqueue tasks
2022-07-11 16:25:14 +02:00
net_ratelimit.h
…
net_trackers.h
net: add networking namespace refcount tracker
2021-12-10 06:38:26 -08:00
netevent.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
netlabel.h
…
netlink.h
netlink: split up copies in the ack construction
2023-10-10 22:00:44 +02:00
netprio_cgroup.h
…
netrom.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
nexthop.h
ipv6: remove nexthop_fib6_nh_bh()
2023-10-10 22:00:46 +02:00
nl802154.h
net: ieee802154: Fix compilation error when CONFIG_IEEE802154_NL802154_EXPERIMENTAL is disabled
2022-09-02 19:59:08 -07:00
nsh.h
…
p8022.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
page_pool.h
page_pool: fix inconsistency for page_pool_ring_[un]lock()
2023-06-05 09:26:20 +02:00
pie.h
…
ping.h
net/ipv4: ping_group_range: allow GID from 2147483648 to 4294967294
2023-06-14 11:15:16 +02:00
pkt_cls.h
net: sched: cls_api: introduce tc_cls_bind_class() helper
2022-10-02 16:07:17 +01:00
pkt_sched.h
net/sched: make psched_mtu() RTNL-less safe
2023-07-23 13:49:27 +02:00
pptp.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
protocol.h
tcp/udp: Make early_demux back namespacified.
2022-07-15 18:50:35 -07:00
psample.h
psample: Add a fwd declaration for skbuff
2021-08-09 15:34:21 -07:00
psnap.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
raw.h
raw: Fix NULL deref in raw_get_next().
2023-04-13 16:55:23 +02:00
rawv6.h
raw: convert raw sockets to RCU
2022-06-19 10:00:02 +01:00
red.h
treewide: use get_random_u32() when possible
2022-10-11 17:42:58 -06:00
regulatory.h
wifi: cfg80211: fix regulatory disconnect with OCB/NAN
2023-07-19 16:21:10 +02:00
request_sock.h
tcp: Use BPF timeout setting for SYN ACK RTO
2022-02-02 14:45:18 +00:00
rose.h
net: rose: add netdev ref tracker to 'struct rose_sock'
2022-08-01 11:59:23 -07:00
route.h
net: annotate data-races around sk->sk_mark
2023-08-11 12:08:14 +02:00
rpl.h
ipv6: rpl: Fix Route of Death.
2023-06-14 11:15:20 +02:00
rsi_91x.h
…
rtnetlink.h
net: validate veth and vxcan peer ifindexes
2023-08-30 16:11:02 +02:00
rtnh.h
…
sch_generic.h
net/sched: qdisc_destroy() old ingress and clsact Qdiscs before grafting
2023-06-21 16:01:01 +02:00
scm.h
scm: fix MSG_CTRUNC setting condition for SO_PASSSEC
2023-05-11 23:03:18 +09:00
secure_seq.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
seg6_hmac.h
…
seg6_local.h
…
seg6.h
udp6: Use Segment Routing Header for dest address if present
2022-01-04 12:17:35 +00:00
selftests.h
net: selftest: fix build issue if INET is disabled
2021-04-28 14:06:45 -07:00
slhc_vj.h
…
smc.h
net/smc: Pass on DMBE bit mask in IRQ handler
2022-07-27 13:24:42 +01:00
snmp.h
…
sock_reuseport.h
soreuseport: Fix socket selection for SO_INCOMING_CPU.
2022-12-31 13:32:04 +01:00
sock.h
net: annotate data-races around sk->sk_forward_alloc
2023-09-19 12:28:01 +02:00
Space.h
wan: remove sbni/granch driver
2021-08-03 13:05:26 +01:00
stp.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
strparser.h
tls: rx: remove the message decrypted tracking
2022-07-18 11:24:10 +01:00
switchdev.h
net: switchdev: add reminder near struct switchdev_notifier_fdb_info
2022-06-29 20:37:36 -07:00
tcp_states.h
…
tcp.h
tcp: fix quick-ack counting to count actual ACKs of new data
2023-10-10 22:00:43 +02:00
timewait_sock.h
…
tipc.h
…
tls_toe.h
…
tls.h
tls: rx: strp: preserve decryption status of skbs when needed
2023-06-05 09:26:18 +02:00
transp_v6.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
tso.h
…
tun_proto.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
udp_tunnel.h
rxrpc: Fix ICMP/ICMP6 error handling
2022-09-01 11:42:12 +01:00
udp.h
tcp/udp: Call inet6_destroy_sock() in IPv6 sk->sk_destruct().
2022-10-12 17:50:37 -07:00
udplite.h
tcp/udp: Call inet6_destroy_sock() in IPv6 sk->sk_destruct().
2022-10-12 17:50:37 -07:00
vsock_addr.h
…
vxlan.h
vxlan: Fix nexthop hash size
2023-08-11 12:08:17 +02:00
wext.h
…
x25.h
…
x25device.h
…
xdp_priv.h
net: add missing includes and forward declarations under net/
2022-07-22 12:53:22 +01:00
xdp_sock_drv.h
xsk: Remove unused xsk_buff_discard
2022-09-30 07:55:46 -07:00
xdp_sock.h
net: Don't include filter.h from net/sock.h
2021-12-29 08:48:14 -08:00
xdp.h
xdp: Adjust xdp_frame layout to avoid using bitfields
2022-09-26 13:28:19 -07:00
xfrm.h
xfrm: Treat already-verified secpath entries as optional
2023-06-28 11:12:28 +02:00
xsk_buff_pool.h
xsk: Fix unaligned descriptor validation
2023-05-11 23:03:21 +09:00