A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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android_kernel_motorola_sm6375/net/ipv4
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Repository files (latest commit first)
Filename Latest commit message Latest commit date
Mahesh Bandewar 8799a221f5 ipv4: initialize fib_trie prior to register_netdev_notifier call. 
Net stack initialization currently initializes fib-trie after the
first call to netdevice_notifier() call. In fact fib_trie initialization
needs to happen before first rtnl_register(). It does not cause any problem
since there are no devices UP at this moment, but trying to bring 'lo'
UP at initialization would make this assumption wrong and exposes the issue.

Fixes following crash

 Call Trace:
  ? alternate_node_alloc+0x76/0xa0
  fib_table_insert+0x1b7/0x4b0
  fib_magic.isra.17+0xea/0x120
  fib_add_ifaddr+0x7b/0x190
  fib_netdev_event+0xc0/0x130
  register_netdevice_notifier+0x1c1/0x1d0
  ip_fib_init+0x72/0x85
  ip_rt_init+0x187/0x1e9
  ip_init+0xe/0x1a
  inet_init+0x171/0x26c
  ? ipv4_offload_init+0x66/0x66
  do_one_initcall+0x43/0x160
  kernel_init_freeable+0x191/0x219
  ? rest_init+0x80/0x80
  kernel_init+0xe/0x150
  ret_from_fork+0x22/0x30
 Code: f6 46 23 04 74 86 4c 89 f7 e8 ae 45 01 00 49 89 c7 4d 85 ff 0f 85 7b ff ff ff 31 db eb 08 4c 89 ff e8 16 47 01 00 48 8b 44 24 38 <45> 8b 6e 14 4d 63 76 74 48 89 04 24 0f 1f 44 00 00 48 83 c4 08
 RIP: kmem_cache_alloc+0xcf/0x1c0 RSP: ffff9b1500017c28
 CR2: 0000000000000014

Fixes: 7b1a74fdbb ("[NETNS]: Refactor fib initialization so it can handle multiple namespaces.")
Fixes: 7f9b80529b ("[IPV4]: fib hash|trie initialization")

Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-20 15:24:45 -07:00
..
netfilter netfilter: nf_tables: only allow in/output for arp packets 2017-07-17 17:02:44 +02:00
af_inet.c net: convert sock.sk_wmem_alloc from atomic_t to refcount_t 2017-07-01 07:39:08 -07:00
ah4.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2017-06-23 14:17:31 -04:00
arp.c networking: make skb_put & friends return void pointers 2017-06-16 11:48:39 -04:00
cipso_ipv4.c net, ipv4: convert cipso_v4_doi.refcount from atomic_t to refcount_t 2017-07-04 01:29:04 -07:00
datagram.c
devinet.c net: convert in_device.refcnt from atomic_t to refcount_t 2017-07-01 07:39:08 -07:00
esp4.c net: convert sock.sk_wmem_alloc from atomic_t to refcount_t 2017-07-01 07:39:08 -07:00
esp4_offload.c esp4/6: Fix GSO path for non-GSO SW-crypto packets 2017-04-19 07:48:57 +02:00
fib_frontend.c ipv4: initialize fib_trie prior to register_netdev_notifier call. 2017-07-20 15:24:45 -07:00
fib_lookup.h net: add extack arg to lwtunnel build state 2017-05-30 11:55:32 -04:00
fib_notifier.c ipv4: fib: Remove redundant argument 2017-03-10 09:45:09 -08:00
fib_rules.c ipv4: fib_rules: Dump FIB rules when registering FIB notifier 2017-03-16 10:18:34 -07:00
fib_semantics.c net, ipv4: convert fib_info.fib_clntref from atomic_t to refcount_t 2017-07-04 01:29:04 -07:00
fib_trie.c net, ipv4: convert fib_info.fib_clntref from atomic_t to refcount_t 2017-07-04 01:29:04 -07:00
fou.c fou: make local function static 2017-05-21 13:42:36 -04:00
gre_demux.c
gre_offload.c
icmp.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-06-15 11:59:32 -04:00
igmp.c net: convert ip_mc_list.refcnt from atomic_t to refcount_t 2017-07-01 07:39:08 -07:00
inet_connection_sock.c net: convert sock.sk_refcnt from atomic_t to refcount_t 2017-07-01 07:39:08 -07:00
inet_diag.c
inet_fragment.c net: convert inet_frag_queue.refcnt from atomic_t to refcount_t 2017-07-01 07:39:09 -07:00
inet_hashtables.c net: make sk_ehashfn() static 2017-07-03 03:29:14 -07:00
inet_timewait_sock.c net: convert sock.sk_refcnt from atomic_t to refcount_t 2017-07-01 07:39:08 -07:00
inetpeer.c net: convert inet_peer.refcnt from atomic_t to refcount_t 2017-07-01 07:39:07 -07:00
ip_forward.c
ip_fragment.c net: convert inet_frag_queue.refcnt from atomic_t to refcount_t 2017-07-01 07:39:09 -07:00
ip_gre.c net: add netlink_ext_ack argument to rtnl_link_ops.validate 2017-06-26 23:13:22 -04:00
ip_input.c net: Add sysctl to toggle early demux for tcp and udp 2017-03-24 13:17:07 -07:00
ip_options.c
ip_output.c ipv4: ip_do_fragment: fix headroom tests 2017-07-15 14:38:31 -07:00
ip_sockglue.c do_ip_setsockopt(): don't open-code memdup_user() 2017-06-30 02:04:09 -04:00
ip_tunnel.c ip_tunnel: fix potential issue in ip_tunnel_rcv 2017-06-16 12:01:29 -04:00
ip_tunnel_core.c net: store port/representator id in metadata_dst 2017-06-25 11:42:01 -04:00
ip_vti.c net: add netlink_ext_ack argument to rtnl_link_ops.validate 2017-06-26 23:13:22 -04:00
ipcomp.c
ipconfig.c networking: convert many more places to skb_put_zero() 2017-06-16 11:48:35 -04:00
ipip.c net: add netlink_ext_ack argument to rtnl_link_ops.validate 2017-06-26 23:13:22 -04:00
ipmr.c net: ipmr: ipmr_get_table() returns NULL 2017-07-12 08:18:46 -07:00
Kconfig
Makefile tcp: ULP infrastructure 2017-06-15 12:12:40 -04:00
netfilter.c
ping.c net: convert sock.sk_refcnt from atomic_t to refcount_t 2017-07-01 07:39:08 -07:00
proc.c tcp: add TCPMemoryPressuresChrono counter 2017-06-08 11:26:19 -04:00
protocol.c net: Add sysctl to toggle early demux for tcp and udp 2017-03-24 13:17:07 -07:00
raw.c net: convert sock.sk_refcnt from atomic_t to refcount_t 2017-07-01 07:39:08 -07:00
raw_diag.c
route.c net: remove DST_NOCACHE flag 2017-06-17 22:54:01 -04:00
syncookies.c ipv4: ipv6: initialize treq->txhash in cookie_v[46]_check() 2017-07-18 11:22:51 -07:00
sysctl_net_ipv4.c tcp: ULP infrastructure 2017-06-15 12:12:40 -04:00
tcp.c bpf: Add support for changing congestion control 2017-07-01 16:15:14 -07:00
tcp_bbr.c tcp_bbr: init pacing rate on first RTT sample 2017-07-15 14:43:29 -07:00
tcp_bic.c tcp: bic, cubic: use tcp_jiffies32 instead of tcp_time_stamp 2017-05-17 16:06:01 -04:00
tcp_cdg.c
tcp_cong.c bpf: Add support for changing congestion control 2017-07-01 16:15:14 -07:00
tcp_cubic.c tcp: bic, cubic: use tcp_jiffies32 instead of tcp_time_stamp 2017-05-17 16:06:01 -04:00
tcp_dctcp.c
tcp_diag.c
tcp_fastopen.c bpf: Add TCP connection BPF callbacks 2017-07-01 16:15:14 -07:00
tcp_highspeed.c
tcp_htcp.c tcp: replace misc tcp_time_stamp to tcp_jiffies32 2017-05-17 16:06:01 -04:00
tcp_hybla.c
tcp_illinois.c
tcp_input.c bpf: Add support for changing congestion control 2017-07-01 16:15:14 -07:00
tcp_ipv4.c tcp: md5: tcp_md5_do_lookup_exact() can be static 2017-07-06 10:54:15 +01:00
tcp_lp.c tcp: switch TCP TS option (RFC 7323) to 1ms clock 2017-05-17 16:06:01 -04:00
tcp_metrics.c tcp: use tcp_jiffies32 to feed tp->snd_cwnd_stamp 2017-05-17 16:06:01 -04:00
tcp_minisocks.c bpf: Support for setting initial receive window 2017-07-01 16:15:13 -07:00
tcp_nv.c tcpnv: do not export local function 2017-05-21 13:42:36 -04:00
tcp_offload.c net: convert sock.sk_wmem_alloc from atomic_t to refcount_t 2017-07-01 07:39:08 -07:00
tcp_output.c net: reflect mark on tcp syn ack packets 2017-07-04 01:46:10 -07:00
tcp_probe.c
tcp_rate.c tcp: export do_tcp_sendpages and tcp_rate_check_app_limited functions 2017-06-15 12:12:40 -04:00
tcp_recovery.c tcp: switch TCP TS option (RFC 7323) to 1ms clock 2017-05-17 16:06:01 -04:00
tcp_scalable.c
tcp_timer.c tcp: fix TCP_SYNCNT flakes 2017-05-24 16:29:57 -04:00
tcp_ulp.c tcp: fix out-of-bounds access in ULP sysctl 2017-06-23 14:10:05 -04:00
tcp_vegas.c
tcp_vegas.h
tcp_veno.c
tcp_westwood.c tcp_westwood: use tcp_jiffies32 instead of tcp_time_stamp 2017-05-17 16:06:01 -04:00
tcp_yeah.c
tunnel4.c
udp.c udp: preserve skb->dst if required for IP options processing 2017-07-18 12:00:13 -07:00
udp_diag.c net: convert sock.sk_refcnt from atomic_t to refcount_t 2017-07-01 07:39:08 -07:00
udp_impl.h udp: make *udp*_queue_rcv_skb() functions static 2017-05-18 10:23:33 -04:00
udp_offload.c udp: disable inner UDP checksum offloads in IPsec case 2017-04-24 13:48:54 -04:00
udp_tunnel.c
udplite.c
xfrm4_input.c
xfrm4_mode_beet.c networking: make skb_pull & friends return void pointers 2017-06-16 11:48:39 -04:00
xfrm4_mode_transport.c xfrm: Add encapsulation header offsets while SKB is not encrypted 2017-04-14 10:07:39 +02:00
xfrm4_mode_tunnel.c xfrm: Add encapsulation header offsets while SKB is not encrypted 2017-04-14 10:07:39 +02:00
xfrm4_output.c xfrm: Add an IPsec hardware offloading API 2017-04-14 10:06:10 +02:00
xfrm4_policy.c
xfrm4_protocol.c
xfrm4_state.c
xfrm4_tunnel.c