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Gopal Tiwari 0f47da6187 Bluetooth: Fix null pointer dereference in amp_read_loc_assoc_final_data 
[ Upstream commit e8bd76ede155fd54d8c41d045dda43cd3174d506 ]

kernel panic trace looks like:

 #5 [ffffb9e08698fc80] do_page_fault at ffffffffb666e0d7
 #6 [ffffb9e08698fcb0] page_fault at ffffffffb70010fe
    [exception RIP: amp_read_loc_assoc_final_data+63]
    RIP: ffffffffc06ab54f  RSP: ffffb9e08698fd68  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff8c8845a5a000  RCX: 0000000000000004
    RDX: 0000000000000000  RSI: ffff8c8b9153d000  RDI: ffff8c8845a5a000
    RBP: ffffb9e08698fe40   R8: 00000000000330e0   R9: ffffffffc0675c94
    R10: ffffb9e08698fe58  R11: 0000000000000001  R12: ffff8c8b9cbf6200
    R13: 0000000000000000  R14: 0000000000000000  R15: ffff8c8b2026da0b
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
 #7 [ffffb9e08698fda8] hci_event_packet at ffffffffc0676904 [bluetooth]
 #8 [ffffb9e08698fe50] hci_rx_work at ffffffffc06629ac [bluetooth]
 #9 [ffffb9e08698fe98] process_one_work at ffffffffb66f95e7

hcon->amp_mgr seems NULL triggered kernel panic in following line inside
function amp_read_loc_assoc_final_data

        set_bit(READ_LOC_AMP_ASSOC_FINAL, &mgr->state);

Fixed by checking NULL for mgr.

Signed-off-by: Gopal Tiwari <gtiwari@redhat.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-03-07 11:25:57 +01:00
..
6lowpan
6lowpan: Off by one handling ->nexthdr
2020-01-29 10:24:22 +01:00
9p
net: 9p: initialize sun_server.sun_path to have addr's value only when addr is valid
2020-11-10 10:23:54 +01:00
802
…
8021q
vlan: fix memory leak in vlan_dev_set_egress_priority
2020-01-12 11:24:27 +01:00
appletalk
appletalk: Set error code if register_snap_client failed
2019-12-21 10:41:45 +01:00
atm
atm: fix a memory leak of vcc->user_back
2020-10-01 20:40:12 +02:00
ax25
AX.25: Prevent integer overflows in connect and sendmsg
2020-07-31 16:44:06 +02:00
batman-adv
batman-adv: set .owner to THIS_MODULE
2020-12-02 08:31:27 +01:00
bluetooth
Bluetooth: Fix null pointer dereference in amp_read_loc_assoc_final_data
2021-03-07 11:25:57 +01:00
bridge
net: bridge: vlan: fix error return code in __vlan_add()
2020-12-29 13:44:48 +01:00
caif
caif: reduce stack size with KASAN
2019-05-08 07:19:07 +02:00
can
can: purge socket error queue on sock destruct
2019-07-10 09:55:33 +02:00
ceph
libceph: clear con->out_msg on Policy::stateful_server faults
2020-11-10 10:23:59 +01:00
core
pktgen: fix misuse of BUG_ON() in pktgen_thread_worker()
2021-03-07 11:25:57 +01:00
dcb
net: dcb: Accept RTM_GETDCB messages carrying set-like DCB commands
2021-01-23 15:38:18 +01:00
dccp
net: ipv6: add net argument to ip6_dst_lookup_flow
2020-05-20 08:15:30 +02:00
decnet
decnet: fix DN_IFREQ_SIZE
2019-12-05 15:35:12 +01:00
dns_resolver
KEYS: DNS: fix parsing multiple options
2018-07-22 14:27:39 +02:00
dsa
net: dsa: tag_brcm: Fix skb->fwd_offload_mark location
2020-04-13 10:32:53 +02:00
ethernet
net: add annotations on hh->hh_len lockless accesses
2020-01-12 11:24:19 +01:00
hsr
net/hsr: Check skb_put_padto() return value
2020-10-01 20:40:01 +02:00
ieee802154
nl802154: add missing attribute validation for dev_type
2020-03-20 09:07:39 +01:00
ipv4
net: icmp: pass zeroed opts from icmp{,v6}_ndo_send before sending
2021-03-03 17:44:46 +01:00
ipv6
net: icmp: pass zeroed opts from icmp{,v6}_ndo_send before sending
2021-03-03 17:44:46 +01:00
ipx
ipx: call ipxitf_put() in ioctl error path
2017-05-25 15:44:41 +02:00
irda
irda: Only insert new objects into the global database via setsockopt
2018-09-15 09:43:01 +02:00
iucv
net/af_iucv: set correct sk_protocol for child sockets
2020-12-11 13:37:56 +01:00
kcm
kcm: switch order of device registration to fix a crash
2019-04-17 08:36:44 +02:00
key
af_key: relax availability checks for skb size calculation
2021-02-23 13:59:14 +01:00
l2tp
l2tp: fix races with ipv4-mapped ipv6 addresses
2021-01-09 13:35:49 +01:00
l3mdev
net: ipv6: Remove l3mdev_get_saddr6
2016-09-10 23:12:53 -07:00
lapb
net: lapb: Copy the skb before sending a packet
2021-02-10 09:09:25 +01:00
llc
llc: make sure applications use ARPHRD_ETHER
2020-07-22 09:10:47 +02:00
mac80211
mac80211: fix potential overflow when multiplying to u32 integers
2021-03-03 17:44:34 +01:00
mac802154
mac802154: tx: fix use-after-free
2020-10-01 20:40:18 +02:00
mpls
net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup
2020-05-20 08:15:30 +02:00
ncsi
net/ncsi: Use real net-device for response handler
2021-01-12 19:49:01 +01:00
netfilter
netfilter: conntrack: skip identical origin tuple in same zone only
2021-02-23 13:59:16 +01:00
netlabel
netlabel: fix an uninitialized warning in netlbl_unlabel_staticlist()
2020-11-24 13:02:56 +01:00
netlink
genetlink: remove genl_bind
2020-07-22 09:10:48 +02:00
netrom
net: netrom: Fix potential nr_neigh refcnt leak in nr_add_node
2020-05-02 17:23:08 +02:00
nfc
NFC: fix possible resource leak
2021-02-03 23:19:52 +01:00
openvswitch
openvswitch: handle DNAT tuple collision
2020-10-14 09:48:16 +02:00
packet
net/packet: fix overflow in tpacket_rcv
2020-10-14 09:48:13 +02:00
phonet
phonet: fix building with clang
2019-03-23 13:19:44 +01:00
qrtr
net: qrtr: Fix passing invalid reference to qrtr_local_enqueue()
2020-06-03 08:16:29 +02:00
rds
rds: Prevent kernel-infoleak in rds_notify_queue_get()
2020-08-21 11:01:49 +02:00
rfkill
rfkill: Fix incorrect check to avoid NULL pointer dereference
2020-01-12 11:24:23 +01:00
rose
rose: Fix Null pointer dereference in rose_send_frame()
2020-12-11 13:37:56 +01:00
rxrpc
rxrpc: Fix handling of an unsupported token type in rxrpc_read()
2021-01-23 15:38:19 +01:00
sched
net_sched: reject silly cell_log in qdisc_get_rtab()
2021-02-10 09:09:23 +01:00
sctp
sctp: change to hold/put transport for proto_unreach_timer
2020-11-24 13:02:58 +01:00
strparser
strparser: Fix incorrect strp->need_bytes value.
2018-04-29 11:32:02 +02:00
sunrpc
SUNRPC: Handle 0 length opaque XDR object data properly
2021-02-23 13:59:14 +01:00
switchdev
switchdev: Execute bridge ndos only for bridge ports
2016-10-19 10:58:04 -04:00
tipc
tipc: fix NULL deref in tipc_link_xmit()
2021-01-23 15:38:19 +01:00
unix
skbuff: fix a data race in skb_queue_len()
2020-10-01 20:40:06 +02:00
vmw_vsock
vsock: fix locking in vsock_shutdown()
2021-02-23 13:59:16 +01:00
wimax
…
wireless
wext: fix NULL-ptr-dereference with cfg80211's lack of commit()
2021-02-03 23:19:49 +01:00
x25
net/x25: prevent a couple of overflows
2020-12-11 13:37:57 +01:00
xfrm
xfrm: Fix oops in xfrm_replay_advance_bmp
2021-02-03 23:19:51 +01:00
compat.c
net/compat: Add missing sock updates for SCM_RIGHTS
2020-08-21 11:02:08 +02:00
Kconfig
…
Makefile
…
socket.c
net: Set fput_needed iff FDPUT_FPUT is set
2020-08-21 11:02:04 +02:00
sysctl_net.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2016-10-06 09:52:23 -07:00