mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity
linux-stable/net
History
Eric Dumazet 2750d7641d netlink: annotate data-races around sk->sk_err 
commit d0f95894fd upstream.

syzbot caught another data-race in netlink when
setting sk->sk_err.

Annotate all of them for good measure.

BUG: KCSAN: data-race in netlink_recvmsg / netlink_recvmsg

write to 0xffff8881613bb220 of 4 bytes by task 28147 on cpu 0:
netlink_recvmsg+0x448/0x780 net/netlink/af_netlink.c:1994
sock_recvmsg_nosec net/socket.c:1027 [inline]
sock_recvmsg net/socket.c:1049 [inline]
__sys_recvfrom+0x1f4/0x2e0 net/socket.c:2229
__do_sys_recvfrom net/socket.c:2247 [inline]
__se_sys_recvfrom net/socket.c:2243 [inline]
__x64_sys_recvfrom+0x78/0x90 net/socket.c:2243
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd

write to 0xffff8881613bb220 of 4 bytes by task 28146 on cpu 1:
netlink_recvmsg+0x448/0x780 net/netlink/af_netlink.c:1994
sock_recvmsg_nosec net/socket.c:1027 [inline]
sock_recvmsg net/socket.c:1049 [inline]
__sys_recvfrom+0x1f4/0x2e0 net/socket.c:2229
__do_sys_recvfrom net/socket.c:2247 [inline]
__se_sys_recvfrom net/socket.c:2243 [inline]
__x64_sys_recvfrom+0x78/0x90 net/socket.c:2243
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd

value changed: 0x00000000 -> 0x00000016

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 28146 Comm: syz-executor.0 Not tainted 6.6.0-rc3-syzkaller-00055-g9ed22ae6be81 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20231003183455.3410550-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: yenchia.chen <yenchia.chen@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2024-05-25 16:20:17 +02:00
..
6lowpan 6lowpan: iphc: Fix an off-by-one check of array index 2021-07-22 16:19:03 +02:00
9p net: 9p: avoid freeing uninit memory in p9pdu_vreadf 2024-01-05 15:13:34 +01:00
802 mrp: introduce active flags to prevent UAF when applicant uninit 2022-12-31 13:14:42 +01:00
8021q vlan: skip nested type that is not IFLA_VLAN_QOS_MAPPING 2024-02-23 08:54:27 +01:00
appletalk appletalk: Fix Use-After-Free in atalk_ioctl 2023-12-20 15:17:37 +01:00
atm atm: Fix Use-After-Free in do_vcc_ioctl 2023-12-20 15:17:35 +01:00
ax25 net: ax25: Fix deadlock caused by skb_recv_datagram in ax25_recvmsg 2022-06-22 14:22:01 +02:00
batman-adv batman-adv: Avoid infinite loop trying to resize local TT 2024-04-17 11:15:13 +02:00
bluetooth Bluetooth: l2cap: fix null-ptr-deref in l2cap_chan_timeout 2024-05-17 11:50:57 +02:00
bpf bpf: Move skb->len == 0 checks into __bpf_redirect 2022-12-31 13:14:11 +01:00
bpfilter bpfilter: Specify the log level for the kmsg message 2021-06-25 13:13:50 +02:00
bridge net: bridge: fix corrupted ethernet header on multicast-to-unicast 2024-05-17 11:50:58 +02:00
caif net: caif: Fix use-after-free in cfusbl_device_notify() 2023-03-17 08:48:54 +01:00
can can: j1939: Fix UAF in j1939_sk_match_filter during setsockopt(SO_J1939_FILTER) 2024-02-23 08:55:10 +01:00
ceph libceph: use kernel_connect() 2023-10-19 23:05:36 +02:00
core net: fix out-of-bounds access in ops_init 2024-05-17 11:51:05 +02:00
dcb net: dcb: choose correct policy to parse DCB_ATTR_BCN 2023-08-11 15:13:53 +02:00
dccp net: inet: Retire port only listening_hash 2023-11-28 16:56:22 +00:00
dns_resolver keys, dns: Fix size check of V1 server-list header 2024-01-25 14:52:46 -08:00
dsa net: dsa: introduce preferred_default_local_cpu_port and use on MT7530 2024-04-27 17:05:29 +02:00
ethernet ethernet: Add helper for assigning packet type when dest address does not match device address 2024-05-02 16:24:49 +02:00
ethtool ethtool: netlink: Add missing ethnl_ops_begin/complete 2024-01-25 14:52:54 -08:00
hsr hsr: Handle failures in module init 2024-03-26 18:21:36 -04:00
ieee802154 net: ieee802154: fix error return code in dgram_bind() 2022-11-03 23:59:14 +09:00
ife net: sched: ife: fix potential use-after-free 2024-01-05 15:13:29 +01:00
ipv4 tcp: Use refcount_inc_not_zero() in tcp_twsk_unique(). 2024-05-17 11:50:57 +02:00
ipv6 ipv6: fib6_rules: avoid possible NULL dereference in fib6_rule_action() 2024-05-17 11:50:58 +02:00
iucv net/iucv: fix the allocation size of iucv_path_table array 2024-03-26 18:21:13 -04:00
kcm net: kcm: fix incorrect parameter validation in the kcm_getsockopt) function 2024-03-26 18:21:23 -04:00
key net: af_key: fix sadb_x_filter validation 2023-08-26 14:23:32 +02:00
l2tp net l2tp: drop flow hash on forward 2024-05-17 11:50:48 +02:00
l3mdev l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu 2022-04-27 14:38:53 +02:00
lapb net: lapb: Use list_for_each_entry() to simplify code in lapb_iface.c 2021-06-08 16:31:25 -07:00
llc llc: call sock_orphan() at release time 2024-02-23 08:54:54 +01:00
mac80211 wifi: mac80211: fix ieee80211_bss_*_flags kernel-doc 2024-05-17 11:50:52 +02:00
mac802154 mac802154: fix llsec key resources release in mac802154_llsec_key_del 2024-04-10 16:18:39 +02:00
mctp mctp: perform route lookups under a RCU read-side lock 2023-10-25 11:58:59 +02:00
mpls net: mpls: fix stale pointer if allocation fails during device rename 2023-02-22 12:57:09 +01:00
mptcp mptcp: ensure snd_nxt is properly initialized on connect 2024-05-17 11:51:03 +02:00
ncsi net/ncsi: Fix netlink major/minor version numbers 2024-01-25 14:52:36 -08:00
netfilter netfilter: nf_tables: honor table dormant flag from netdev release event path 2024-05-02 16:24:46 +02:00
netlabel calipso: fix memory leak in netlbl_calipso_add_pass() 2024-01-25 14:52:33 -08:00
netlink netlink: annotate data-races around sk->sk_err 2024-05-25 16:20:17 +02:00
netrom netrom: Fix data-races around sysctl_net_busy_read 2024-03-15 10:48:17 -04:00
nfc nfc: nci: Fix uninit-value in nci_dev_up and nci_ntf_packet 2024-04-10 16:19:35 +02:00
nsh nsh: Restore skb->{protocol,data,mac_header} for outer header in nsh_gso_segment(). 2024-05-17 11:50:48 +02:00
openvswitch net: openvswitch: Fix Use-After-Free in ovs_ct_exit 2024-05-02 16:24:45 +02:00
packet packet: annotate data-races around ignore_outgoing 2024-03-26 18:21:35 -04:00
phonet phonet: fix rtm_phonet_notify() skb allocation 2024-05-17 11:50:58 +02:00
psample psample: Require 'CAP_NET_ADMIN' when joining "packets" group 2023-12-13 18:36:37 +01:00
qrtr net: qrtr: ns: Return 0 if server port is not present 2024-01-25 14:52:30 -08:00
rds net/rds: fix possible cp null dereference 2024-04-10 16:19:37 +02:00
rfkill net: rfkill: gpio: set GPIO direction 2024-01-05 15:13:34 +01:00
rose net/rose: fix races in rose_kill_by_device() 2024-01-05 15:13:29 +01:00
rxrpc rxrpc: Fix response to PING RESPONSE ACKs to a dead call 2024-02-23 08:54:58 +01:00
sched net/sched: act_skbmod: prevent kernel-infoleak 2024-04-10 16:19:38 +02:00
sctp sctp: update hb timer immediately after users change hb_interval 2023-10-10 21:59:08 +02:00
smc net/smc: reduce rtnl pressure in smc_pnet_create_pnetids_list() 2024-04-13 13:01:44 +02:00
strparser bpf: sockmap, strparser, and tls are reusing qdisc_skb_cb and colliding 2021-11-18 19:17:11 +01:00
sunrpc nfsd: don't allow nfsd threads to be signalled. 2024-05-25 16:20:16 +02:00
switchdev net: make switchdev_bridge_port_{,unoffload} loosely coupled with the bridge 2021-08-04 12:35:07 +01:00
tipc tipc: fix UAF in error path 2024-05-17 11:51:04 +02:00
tls net: tls: handle backlogging of crypto requests 2024-05-25 16:20:17 +02:00
unix af_unix: Suppress false-positive lockdep splat for spin_lock() in __unix_gc(). 2024-05-02 16:24:47 +02:00
vmw_vsock virtio/vsock: fix logic which reduces credit update messages 2024-01-25 14:52:38 -08:00
wireless wifi: cfg80211: fix rdev_dump_mpp() arguments order 2024-05-17 11:50:52 +02:00
x25 net/x25: fix incorrect parameter validation in the x25_getsockopt() function 2024-03-26 18:21:23 -04:00
xdp xsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING 2024-04-17 11:15:14 +02:00
xfrm xfrm: Preserve vlan tags for transport mode software GRO 2024-05-17 11:50:57 +02:00
Kconfig Remove DECnet support from kernel 2023-06-21 15:59:15 +02:00
Makefile Remove DECnet support from kernel 2023-06-21 15:59:15 +02:00
compat.c
…
devres.c net: devres: Correct a grammatical error 2021-06-11 12:55:28 -07:00
socket.c net: Save and restore msg_namelen in sock_sendmsg 2024-01-15 18:51:16 +01:00
sysctl_net.c
…