leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
d3706566ae
linux/net
History
YueHaibing d3706566ae net: netrom: Fix error cleanup path of nr_proto_init 
Syzkaller report this:

BUG: unable to handle kernel paging request at fffffbfff830524b
PGD 237fe8067 P4D 237fe8067 PUD 237e64067 PMD 1c9716067 PTE 0
Oops: 0000 [#1] SMP KASAN PTI
CPU: 1 PID: 4465 Comm: syz-executor.0 Not tainted 5.0.0+ #5
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014
RIP: 0010:__list_add_valid+0x21/0xe0 lib/list_debug.c:23
Code: 8b 0c 24 e9 17 fd ff ff 90 55 48 89 fd 48 8d 7a 08 53 48 89 d3 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 48 83 ec 08 <80> 3c 02 00 0f 85 8b 00 00 00 48 8b 53 08 48 39 f2 75 35 48 89 f2
RSP: 0018:ffff8881ea2278d0 EFLAGS: 00010282
RAX: dffffc0000000000 RBX: ffffffffc1829250 RCX: 1ffff1103d444ef4
RDX: 1ffffffff830524b RSI: ffffffff85659300 RDI: ffffffffc1829258
RBP: ffffffffc1879250 R08: fffffbfff0acb269 R09: fffffbfff0acb269
R10: ffff8881ea2278f0 R11: fffffbfff0acb268 R12: ffffffffc1829250
R13: dffffc0000000000 R14: 0000000000000008 R15: ffffffffc187c830
FS:  00007fe0361df700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbfff830524b CR3: 00000001eb39a001 CR4: 00000000007606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
 __list_add include/linux/list.h:60 [inline]
 list_add include/linux/list.h:79 [inline]
 proto_register+0x444/0x8f0 net/core/sock.c:3375
 nr_proto_init+0x73/0x4b3 [netrom]
 ? 0xffffffffc1628000
 ? 0xffffffffc1628000
 do_one_initcall+0xbc/0x47d init/main.c:887
 do_init_module+0x1b5/0x547 kernel/module.c:3456
 load_module+0x6405/0x8c10 kernel/module.c:3804
 __do_sys_finit_module+0x162/0x190 kernel/module.c:3898
 do_syscall_64+0x9f/0x450 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x462e99
Code: f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe0361dec58 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
RAX: ffffffffffffffda RBX: 000000000073bf00 RCX: 0000000000462e99
RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003
RBP: 00007fe0361dec70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe0361df6bc
R13: 00000000004bcefa R14: 00000000006f6fb0 R15: 0000000000000004
Modules linked in: netrom(+) ax25 fcrypt pcbc af_alg arizona_ldo1 v4l2_common videodev media v4l2_dv_timings hdlc ide_cd_mod snd_soc_sigmadsp_regmap snd_soc_sigmadsp intel_spi_platform intel_spi mtd spi_nor snd_usbmidi_lib usbcore lcd ti_ads7950 hi6421_regulator snd_soc_kbl_rt5663_max98927 snd_soc_hdac_hdmi snd_hda_ext_core snd_hda_core snd_soc_rt5663 snd_soc_core snd_pcm_dmaengine snd_compress snd_soc_rl6231 mac80211 rtc_rc5t583 spi_slave_time leds_pwm hid_gt683r hid industrialio_triggered_buffer kfifo_buf industrialio ir_kbd_i2c rc_core led_class_flash dwc_xlgmac snd_ymfpci gameport snd_mpu401_uart snd_rawmidi snd_ac97_codec snd_pcm ac97_bus snd_opl3_lib snd_timer snd_seq_device snd_hwdep snd soundcore iptable_security iptable_raw iptable_mangle iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_filter bpfilter ip6_vti ip_vti ip_gre ipip sit tunnel4 ip_tunnel hsr veth netdevsim vxcan batman_adv cfg80211 rfkill chnl_net caif nlmon dummy team bonding vcan
 bridge stp llc ip6_gre gre ip6_tunnel tunnel6 tun joydev mousedev ppdev tpm kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel ide_pci_generic piix aesni_intel aes_x86_64 crypto_simd cryptd glue_helper ide_core psmouse input_leds i2c_piix4 serio_raw intel_agp intel_gtt ata_generic agpgart pata_acpi parport_pc rtc_cmos parport floppy sch_fq_codel ip_tables x_tables sha1_ssse3 sha1_generic ipv6 [last unloaded: rxrpc]
Dumping ftrace buffer:
   (ftrace buffer empty)
CR2: fffffbfff830524b
---[ end trace 039ab24b305c4b19 ]---

If nr_proto_init failed, it may forget to call proto_unregister,
tiggering this issue.This patch rearrange code of nr_proto_init
to avoid such issues.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-11 13:59:49 -07:00
..
6lowpan
9p 9p/net: fix memory leak in p9_client_create 2019-03-13 11:50:04 +01:00
802
8021q vlan: conditional inclusion of FCoE hooks to match netdevice.h and bnx2x 2019-04-04 17:18:34 -07:00
appletalk appletalk: Fix potential NULL pointer dereference in unregister_snap_client 2019-03-15 11:25:48 -07:00
atm net: atm: Add another IS_ENABLED(CONFIG_COMPAT) in atm_dev_ioctl 2019-03-07 10:14:50 -08:00
ax25
batman-adv batman-adv: Fix genl notification for throughput_override 2019-03-25 09:31:19 +01:00
bluetooth Bluetooth: Add quirk for reading BD_ADDR from fwnode property 2019-02-26 10:08:26 +01:00
bpf bpf: fix warning about using plain integer as NULL 2019-03-08 21:17:07 +01:00
bpfilter bpfilter: re-add header search paths to tools include to fix build error 2019-02-23 13:34:40 -08:00
bridge net: bridge: multicast: use rcu to access port list from br_multicast_start_querier 2019-04-11 11:13:51 -07:00
caif net: caif: use skb helpers instead of open-coding them 2019-02-17 11:01:17 -08:00
can
ceph libceph: fix breakage caused by multipage bvecs 2019-03-25 22:28:07 +01:00
core failover: allow name change on IFF_UP slave interfaces 2019-04-10 22:12:26 -07:00
dcb
dccp dccp: Fix memleak in __feat_register_sp 2019-04-01 18:15:10 -07:00
decnet
dns_resolver
dsa net: dsa: Implement flow_dissect callback for tag_qca 2019-03-28 16:57:19 -07:00
ethernet net/ethernet: Add parse_protocol header_ops support 2019-02-22 12:55:31 -08:00
hsr net/hsr: fix possible crash in add_timer() 2019-03-07 11:02:08 -08:00
ieee802154 net: remove unused struct inet_frag_queue.fragments field 2019-02-26 08:27:05 -08:00
ife
ipv4 net: fou: do not use guehdr after iptunnel_pull_offloads in gue_udp_recv 2019-04-10 23:02:23 -07:00
ipv6 net: ip6_gre: fix possible use-after-free in ip6erspan_rcv 2019-04-08 16:16:47 -07:00
iucv
kcm kcm: switch order of device registration to fix a crash 2019-04-01 14:59:20 -07:00
key af_key: unconditionally clone on broadcast 2019-02-12 10:36:42 +01:00
l2tp l2tp: fix infoleak in l2tp_ip6_recvmsg() 2019-03-13 14:19:35 -07:00
l3mdev
lapb
llc
mac80211 mac80211: Honor SW_CRYPTO_CONTROL for unicast keys in AP VLAN mode 2019-04-09 13:40:32 +02:00
mac802154
mpls mpls: Fix 6PE forwarding 2019-03-19 16:00:22 -07:00
ncsi net: ncsi: fix a missing check for nla_nest_start 2019-03-16 11:44:33 -07:00
netfilter netfilter: nf_tables: add missing ->release_ops() in error path of newrule() 2019-03-20 08:32:58 +01:00
netlabel netlabel: fix out-of-bounds memory accesses 2019-02-27 21:45:24 -08:00
netlink genetlink: Fix a memory leak on error path 2019-03-21 09:29:06 -07:00
netrom net: netrom: Fix error cleanup path of nr_proto_init 2019-04-11 13:59:49 -07:00
nfc NFC: nci: Add some bounds checking in nci_hci_cmd_received() 2019-04-06 15:05:07 -07:00
nsh
openvswitch openvswitch: fix flow actions reallocation 2019-03-28 17:15:44 -07:00
packet net/packet: Set __GFP_NOWARN upon allocation in alloc_pg_vec 2019-03-20 10:46:50 -07:00
phonet phonet: fix building with clang 2019-02-21 16:23:56 -08:00
psample
qrtr mm: replace all open encodings for NUMA_NO_NODE 2019-03-05 21:07:14 -08:00
rds net: rds: force to destroy connection if t_sock is NULL in rds_tcp_kill_sock(). 2019-03-28 17:17:18 -07:00
rfkill
rose net: rose: fix a possible stack overflow 2019-03-18 16:53:22 -07:00
rxrpc rxrpc: avoid clang -Wuninitialized warning 2019-03-23 21:48:30 -04:00
sched sch_cake: Make sure we can write the IP header before changing DSCP bits 2019-04-04 10:55:59 -07:00
sctp sctp: initialize _pad of sockaddr_in before copying to user memory 2019-04-01 18:08:19 -07:00
smc net/smc: move unhash before release of clcsock 2019-04-11 11:04:08 -07:00
strparser net: strparser: partially revert "strparser: Call skb_unclone conditionally" 2019-04-10 13:07:02 -07:00
sunrpc SUNRPC: fix uninitialized variable warning 2019-03-26 13:04:32 -07:00
switchdev switchdev: Remove unused transaction item queue 2019-03-01 21:35:19 -08:00
tipc tipc: missing entries in name table of publications 2019-04-10 22:58:09 -07:00
tls net/tls: fix build without CONFIG_TLS_DEVICE 2019-04-10 17:23:26 -07:00
unix io_uring-2019-03-06 2019-03-08 14:48:40 -08:00
vmw_vsock vsock/virtio: fix kernel panic from virtio_transport_reset_no_sock 2019-03-08 15:15:44 -08:00
wimax
wireless nl80211: Add NL80211_FLAG_CLEAR_SKB flag for other NL commands 2019-03-29 11:23:09 +01:00
x25 net/x25: reset state in x25_connect() 2019-03-11 15:40:14 -07:00
xdp xsk: fix umem memory leak on cleanup 2019-03-16 01:27:51 +01:00
xfrm xfrm: Fix inbound traffic via XFRM interfaces across network namespaces 2019-02-18 10:58:54 +01:00
compat.c Merge branch 'timers-2038-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-03-05 14:08:26 -08:00
Kconfig net: devlink: turn devlink into a built-in 2019-02-26 08:49:05 -08:00
Makefile net: split out functions related to registering inflight socket files 2019-02-28 08:24:23 -07:00
socket.c net: add documentation to socket.c 2019-03-15 15:29:47 -07:00
sysctl_net.c