YueHaibing b52807e607 9p/virtio: Add cleanup path in p9_virtio_init ... commit d4548543fc upstream. KASAN report this: BUG: unable to handle kernel paging request at ffffffffa0097000 PGD 3870067 P4D 3870067 PUD 3871063 PMD 2326e2067 PTE 0 Oops: 0000 [#1 CPU: 0 PID: 5340 Comm: modprobe Not tainted 5.1.0-rc7+ #25 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.9.3-0-ge2fc41e-prebuilt.qemu-project.org 04/01/2014 RIP: 0010:__list_add_valid+0x10/0x70 Code: c3 48 8b 06 55 48 89 e5 5d 48 39 07 0f 94 c0 0f b6 c0 c3 90 90 90 90 90 90 90 55 48 89 d0 48 8b 52 08 48 89 e5 48 39 f2 75 19 <48> 8b 32 48 39 f0 75 3a RSP: 0018:ffffc90000e23c68 EFLAGS: 00010246 RAX: ffffffffa00ad000 RBX: ffffffffa009d000 RCX: 0000000000000000 RDX: ffffffffa0097000 RSI: ffffffffa0097000 RDI: ffffffffa009d000 RBP: ffffc90000e23c68 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffffa0097000 R13: ffff888231797180 R14: 0000000000000000 R15: ffffc90000e23e78 FS: 00007fb215285540(0000) GS:ffff888237a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffa0097000 CR3: 000000022f144000 CR4: 00000000000006f0 Call Trace: v9fs_register_trans+0x2f/0x60 [9pnet ? 0xffffffffa0087000 p9_virtio_init+0x25/0x1000 [9pnet_virtio do_one_initcall+0x6c/0x3cc ? kmem_cache_alloc_trace+0x248/0x3b0 do_init_module+0x5b/0x1f1 load_module+0x1db1/0x2690 ? m_show+0x1d0/0x1d0 __do_sys_finit_module+0xc5/0xd0 __x64_sys_finit_module+0x15/0x20 do_syscall_64+0x6b/0x1d0 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fb214d8e839 Code: 00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 RSP: 002b:00007ffc96554278 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 RAX: ffffffffffffffda RBX: 000055e67eed2aa0 RCX: 00007fb214d8e839 RDX: 0000000000000000 RSI: 000055e67ce95c2e RDI: 0000000000000003 RBP: 000055e67ce95c2e R08: 0000000000000000 R09: 000055e67eed2aa0 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 000055e67eeda500 R14: 0000000000040000 R15: 000055e67eed2aa0 Modules linked in: 9pnet_virtio(+) 9pnet gre rfkill vmw_vsock_virtio_transport_common vsock [last unloaded: 9pnet_virtio CR2: ffffffffa0097000 ---[ end trace 4a52bb13ff07b761 If register_virtio_driver() fails in p9_virtio_init, we should call v9fs_unregister_trans() to do cleanup. Link: http://lkml.kernel.org/r/20190430115942.41840-1-yuehaibing@huawei.com Cc: stable@vger.kernel.org Reported-by: Hulk Robot <hulkci@huawei.com> Fixes: b530cc7940 ("9p: add virtio transport") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2019-07-26 09:14:25 +02:00
..
6lowpan	6lowpan: iphc: reset mac_header after decompress to fix panic	2018-07-06 12:32:12 +02:00
9p	9p/virtio: Add cleanup path in p9_virtio_init	2019-07-26 09:14:25 +02:00
802
8021q	vlan: disable SIOCSHWTSTAMP in container	2019-05-16 19:41:30 +02:00
appletalk	appletalk: Fix use-after-free in atalk_proc_exit	2019-04-20 09:16:05 +02:00
atm	net: atm: Fix potential Spectre v1 vulnerabilities	2019-04-27 09:36:30 +02:00
ax25	ax25: fix inconsistent lock state in ax25_destroy_timer	2019-06-22 08:15:13 +02:00
batman-adv	batman-adv: Fix duplicated OGMs on NETDEV_UP	2019-07-26 09:14:03 +02:00
bluetooth	Bluetooth: validate BLE connection interval updates	2019-07-26 09:14:17 +02:00
bpf	bpf/test_run: support cgroup local storage	2018-08-03 00:47:32 +02:00
bpfilter	net: bpfilter: use get_pid_task instead of pid_task	2018-10-17 22:03:40 -07:00
bridge	bridge: Fix error path for kobject_init_and_add()	2019-05-16 19:41:29 +02:00
caif	Revert "net: simplify sock_poll_wait"	2018-11-04 14:50:51 +01:00
can	can: af_can: Fix error path of can_init()	2019-07-14 08:11:07 +02:00
ceph	libceph: wait for latest osdmap in ceph_monc_blacklist_add()	2019-03-27 14:14:39 +09:00
core	bpf: sockmap, fix use after free from sleep in psock backlog workqueue	2019-07-14 08:11:05 +02:00
dcb	net: dcb: Add priority-to-DSCP map getters	2018-07-27 13:17:50 -07:00
dccp	dccp: do not use ipv6 header for ipv4 flow	2019-04-03 06:26:15 +02:00
decnet	decnet: fix using plain integer as NULL warning	2018-08-09 14:11:24 -07:00
dns_resolver	net: remove blank lines at end of file	2018-07-24 14:10:43 -07:00
dsa	net: dsa: Fix error cleanup path in dsa_init_module	2019-05-16 19:41:29 +02:00
ethernet	net: Convert GRO SKB handling to list_head.	2018-06-26 11:33:04 +09:00
hsr	net/hsr: fix possible crash in add_timer()	2019-03-19 13:12:38 +01:00
ieee802154	ieee802154: lowpan_header_create check must check daddr	2019-01-09 17:38:31 +01:00
ife
ipv4	bpf: udp: Avoid calling reuseport's bpf_prog from udp_gro	2019-07-03 13:14:48 +02:00
ipv6	netfilter: ipv6: nf_defrag: accept duplicate fragments again	2019-07-10 09:53:47 +02:00
iucv	Revert "net: simplify sock_poll_wait"	2018-11-04 14:50:51 +01:00
kcm	kcm: switch order of device registration to fix a crash	2019-04-17 08:38:40 +02:00
key	af_key: fix leaks in key_pol_get_resp and dump_sp.	2019-07-26 09:14:01 +02:00
l2tp	l2tp: use rcu_dereference_sk_user_data() in l2tp_udp_encap_recv()	2019-05-05 14:42:37 +02:00
l3mdev
lapb	lapb: fixed leak of control-blocks.	2019-06-22 08:15:13 +02:00
llc	llc: fix skb leak in llc_build_and_send_ui_pkt()	2019-06-04 08:02:31 +02:00
mac80211	mac80211: do not start any work during reconfigure flow	2019-07-14 08:11:11 +02:00
mac802154	net: mac802154: tx: expand tailroom if necessary	2018-08-06 11:21:37 +02:00
mpls	mpls: Return error for RTA_GATEWAY attribute	2019-03-10 07:17:19 +01:00
ncsi	net/ncsi: Fixup .dumpit message flags and ID check in Netlink handler	2018-08-22 21:39:08 -07:00
netfilter	ipvs: fix tinfo memory leak in start_sync_thread	2019-07-26 09:14:11 +02:00
netlabel	netlabel: fix out-of-bounds memory accesses	2019-03-10 07:17:18 +01:00
netlink	genetlink: Fix a memory leak on error path	2019-04-03 06:26:15 +02:00
netrom	net: netrom: Fix error cleanup path of nr_proto_init	2019-05-02 09:58:57 +02:00
nfc	nfc: Ensure presence of required attributes in the deactivate_target handler	2019-06-22 08:15:14 +02:00
nsh	nsh: set mac len based on inner packet	2018-07-12 16:55:29 -07:00
openvswitch	net: openvswitch: do not free vport if register_netdevice() is failed.	2019-06-22 08:15:14 +02:00
packet	net/packet: fix memory leak in packet_set_ring()	2019-07-03 13:14:47 +02:00
phonet	phonet: fix building with clang	2019-03-23 20:09:51 +01:00
psample
qrtr	net: qrtr: Reset the node and port ID of broadcast messages	2018-07-05 20:20:03 +09:00
rds	rds: Fix warning.	2019-07-10 09:53:46 +02:00
rfkill	Here are quite a large number of fixes, notably:	2018-09-03 22:12:02 -07:00
rose	net/rose: fix unbound loop in rose_loopback_timer()	2019-05-02 09:59:00 +02:00
rxrpc	rxrpc: Fix net namespace cleanup	2019-05-05 14:42:38 +02:00
sched	net: sched: don't use tc_action->order during action dump	2019-06-04 08:02:32 +02:00
sctp	sctp: change to hold sk after auth shkey is created successfully	2019-07-03 13:14:47 +02:00
smc	net/smc: move unhash before release of clcsock	2019-07-10 09:53:44 +02:00
strparser	net: strparser: partially revert "strparser: Call skb_unclone conditionally"	2019-05-16 19:41:27 +02:00
sunrpc	net :sunrpc :clnt :Fix xps refcount imbalance on the error path	2019-07-14 08:11:15 +02:00
switchdev
tipc	tipc: pass tunnel dev as NULL to udp_tunnel(6)_xmit_skb	2019-07-03 13:14:49 +02:00
tls	net/tls: replace the sleeping lock around RX resync with a bit lock	2019-06-11 12:20:49 +02:00
unix	missing barriers in some of unix_sock ->addr and ->path accesses	2019-03-19 13:12:41 +01:00
vmw_vsock	vsock/virtio: set SOCK_DONE on peer shutdown	2019-06-22 08:15:14 +02:00
wimax	wimax: remove blank lines at EOF	2018-07-24 14:10:42 -07:00
wireless	mac80211: fix rate reporting inside cfg80211_calculate_bitrate_he()	2019-07-14 08:11:04 +02:00
x25	net/x25: fix a race in x25_bind()	2019-03-19 13:12:40 +01:00
xdp	xsk: Properly terminate assignment in xskq_produce_flush_desc	2019-07-26 09:14:12 +02:00
xfrm	ipsec: select crypto ciphers for xfrm_algo	2019-07-26 09:14:10 +02:00
compat.c	sock: Make sock->sk_stamp thread-safe	2019-01-09 17:38:33 +01:00
Kconfig	net: remove blank lines at end of file	2018-07-24 14:10:43 -07:00
Makefile	bpfilter: check compiler capability in Kconfig	2018-06-28 13:36:39 +09:00
socket.c	net: socket: set sock->sk to NULL after calling proto_ops::release()	2019-03-10 07:17:18 +01:00
sysctl_net.c