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Tetsuo Handa a95eb3443f batman-adv: initialize "struct batadv_tvlv_tt_vlan_data"->reserved field 
commit 08c27f3322fec11950b8f1384aa0f3b11d028528 upstream.

KMSAN found uninitialized value at batadv_tt_prepare_tvlv_local_data()
[1], for commit ced72933a5e8ab52 ("batman-adv: use CRC32C instead of CRC16
in TT code") inserted 'reserved' field into "struct batadv_tvlv_tt_data"
and commit 7ea7b4a142758dea ("batman-adv: make the TT CRC logic VLAN
specific") moved that field to "struct batadv_tvlv_tt_vlan_data" but left
that field uninitialized.

[1] https://syzkaller.appspot.com/bug?id=07f3e6dba96f0eb3cabab986adcd8a58b9bdbe9d

Reported-by: syzbot <syzbot+50ee810676e6a089487b@syzkaller.appspotmail.com>
Tested-by: syzbot <syzbot+50ee810676e6a089487b@syzkaller.appspotmail.com>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Fixes: ced72933a5e8ab52 ("batman-adv: use CRC32C instead of CRC16 in TT code")
Fixes: 7ea7b4a142758dea ("batman-adv: make the TT CRC logic VLAN specific")
Acked-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2021-05-20 16:06:56 +08:00
..
6lowpan Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
9p net: 9p: initialize sun_server.sun_path to have addr's value only when addr is valid 2021-03-16 16:39:51 +08:00
802 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
8021q net: vlan: avoid leaks on register_vlan_dev() failures 2021-04-12 12:51:15 +08:00
appletalk appletalk: Fix skb allocation size in loopback case 2021-05-20 16:06:48 +08:00
atm atm: fix a memory leak of vcc->user_back 2021-03-16 16:37:15 +08:00
ax25 AX.25: Prevent integer overflows in connect and sendmsg 2021-03-16 16:32:42 +08:00
batman-adv batman-adv: initialize "struct batadv_tvlv_tt_vlan_data"->reserved field 2021-05-20 16:06:56 +08:00
bluetooth Bluetooth: Fix null pointer dereference in amp_read_loc_assoc_final_data 2021-04-12 12:52:46 +08:00
bpf Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
bpfilter net/bpfilter: remove superfluous testing message 2021-03-16 16:26:23 +08:00
bridge net: bridge: use switchdev for port flags set through sysfs too 2021-04-12 12:52:45 +08:00
caif Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
can net: introduce CAN specific pointer in the struct net_device 2021-05-20 16:06:48 +08:00
ceph libceph: clear con->out_msg on Policy::stateful_server faults 2021-03-16 16:40:11 +08:00
core bpf: Remove MTU check in __bpf_skb_max_len 2021-05-20 16:06:48 +08:00
dcb net: dcb: Accept RTM_GETDCB messages carrying set-like DCB commands 2021-04-12 12:51:30 +08:00
dccp ipv6: weaken the v4mapped source check 2021-05-20 16:06:29 +08:00
decnet Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
dns_resolver KEYS: Don't write out to userspace while holding key semaphore 2021-03-16 16:26:42 +08:00
dsa net: dsa: tag_mtk: fix 802.1ad VLAN egress 2021-04-12 12:53:14 +08:00
ethernet Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
hsr hsr: check protocol version in hsr_newlink() 2021-03-16 16:26:20 +08:00
ieee802154 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ife Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ipv4 Revert "netfilter: x_tables: Update remaining dereference to RCU" 2021-04-12 12:53:31 +08:00
ipv6 net: ipv6: check for validity before dereferencing cfg->fc_nlinfo.nlh 2021-05-20 16:06:55 +08:00
iucv net/af_iucv: remove WARN_ONCE on malformed RX packets 2021-04-12 12:52:44 +08:00
kcm Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
key af_key: relax availability checks for skb size calculation 2021-04-12 12:51:58 +08:00
l2tp l2tp: remove skb_dst_set() from l2tp_xmit_skb() 2021-03-16 16:31:43 +08:00
l3mdev Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
lapb net: lapb: Copy the skb before sending a packet 2021-04-12 12:51:53 +08:00
llc net: silence data-races on sk_backlog.tail 2021-03-16 16:36:36 +08:00
mac80211 mac80211: choose first enabled channel for monitor 2021-05-20 16:06:53 +08:00
mac802154 mac802154: tx: fix use-after-free 2021-03-16 16:37:33 +08:00
mpls net: avoid infinite loop in mpls_gso_segment when mpls_hlen == 0 2021-04-12 12:52:56 +08:00
ncsi net/ncsi: Use real net-device for response handler 2021-04-12 12:51:08 +08:00
netfilter netfilter: conntrack: Fix gre tunneling over ipv6 2021-05-20 16:06:53 +08:00
netlabel cipso,calipso: resolve a number of problems with the DOI refcounts 2021-04-12 12:52:59 +08:00
netlink genetlink: remove genl_bind 2021-03-16 16:31:42 +08:00
netrom net: netrom: Fix potential nr_neigh refcnt leak in nr_add_node 2021-03-16 16:26:51 +08:00
nfc nfc: Avoid endless loops caused by repeated llcp_sock_connect() 2021-05-20 16:06:55 +08:00
nsh Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
openvswitch net: openvswitch: ensure LSE is pullable before reading it 2021-03-16 16:41:57 +08:00
packet af_packet: TPACKET_V3: fix fill status rwlock imbalance 2021-03-16 16:33:48 +08:00
phonet Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
psample Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
qrtr net: qrtr: fix a kernel-infoleak in qrtr_recvmsg() 2021-04-12 12:53:32 +08:00
rds net/rds: restrict iovecs length for RDS_CMSG_RDMA_ARGS 2021-04-12 12:52:06 +08:00
rfkill rfkill: Fix use-after-free in rfkill_resume() 2021-03-16 16:41:16 +08:00
rose rose: Fix Null pointer dereference in rose_send_frame() 2021-03-16 16:41:52 +08:00
rxrpc rxrpc: Fix clearance of Tx/Rx ring when releasing a call 2021-04-12 12:52:05 +08:00
sched net: sched: validate stab values 2021-04-12 12:53:27 +08:00
sctp net: fix iteration for sctp transport seq_files 2021-04-12 12:52:06 +08:00
smc net/smc: fix direct access to ib_gid_addr->ndev in smc_ib_determine_gid() 2021-03-16 16:41:07 +08:00
strparser Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
sunrpc rpc: fix NULL dereference on kmalloc failure 2021-05-20 16:06:45 +08:00
switchdev net: switchdev: don't set port_obj_info->handled true when -EOPNOTSUPP 2021-04-12 12:51:48 +08:00
tipc tipc: fix NULL deref in tipc_link_xmit() 2021-04-12 12:51:31 +08:00
tls net/tls: Protect from calling tls_dev_del for TLS RX twice 2021-03-16 16:41:52 +08:00
toa Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
unix skbuff: fix a data race in skb_queue_len() 2021-03-16 16:36:50 +08:00
vmw_vsock selinux: vsock: Set SID for socket returned by accept() 2021-05-20 16:05:31 +08:00
wimax Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
wireless wext: fix NULL-ptr-dereference with cfg80211's lack of commit() 2021-04-12 12:51:43 +08:00
x25 net/x25: prevent a couple of overflows 2021-03-16 16:41:56 +08:00
xdp xsk: Replace datagram_poll by sock_poll_wait 2021-03-16 16:42:25 +08:00
xfrm xfrm: interface: use icmp_ndo_send helper 2021-04-12 12:52:42 +08:00
Kconfig Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Makefile Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
compat.c net/compat: Add missing sock updates for SCM_RIGHTS 2021-03-16 16:34:05 +08:00
socket.c net: Set fput_needed iff FDPUT_FPUT is set 2021-03-16 16:33:49 +08:00
sysctl_net.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00