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linux/net
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Aleksei Vetrov 1a7b62ddf2 wifi: nl80211: fix bounds checker error in nl80211_parse_sched_scan 
commit 9c46a3a5b3 upstream.

The channels array in the cfg80211_scan_request has a __counted_by
attribute attached to it, which points to the n_channels variable. This
attribute is used in bounds checking, and if it is not set before the
array is filled, then the bounds sanitizer will issue a warning or a
kernel panic if CONFIG_UBSAN_TRAP is set.

This patch sets the size of allocated memory as the initial value for
n_channels. It is updated with the actual number of added elements after
the array is filled.

Fixes: aa4ec06c45 ("wifi: cfg80211: use __counted_by where appropriate")
Cc: stable@vger.kernel.org
Signed-off-by: Aleksei Vetrov <vvvvvv@google.com>
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://patch.msgid.link/20241029-nl80211_parse_sched_scan-bounds-checker-fix-v2-1-c804b787341f@google.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2024-12-05 14:02:49 +01:00
..
6lowpan ipv6: eliminate ndisc_ops_is_useropt() 2024-08-12 17:23:57 -07:00
9p 9p: fix slab cache name creation for real 2024-10-21 15:41:29 -07:00
802 move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
8021q netdev_features: remove NETIF_F_ALL_FCOE 2024-09-03 11:36:43 +02:00
appletalk Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-05-09 10:01:01 -07:00
atm atm: clean up a put_user() calls 2024-06-14 19:08:50 -07:00
ax25 ax25: Replace kfree() in ax25_dev_free() with ax25_dev_put() 2024-06-01 15:49:42 -07:00
batman-adv move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
bluetooth Bluetooth: Fix type of len in rfcomm_sock_getsockopt{,_old}() 2024-12-05 14:02:48 +01:00
bpf bpf, test_run: Fix LIVE_FRAME frame update after a page has been recycled 2024-10-31 16:15:21 +01:00
bridge bridge: Handle error of rtnl_register_module(). 2024-10-10 15:39:35 +02:00
caif move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
can Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-09-15 09:13:19 -07:00
ceph libceph: use min() to simplify code in ceph_dns_resolve_name() 2024-08-27 09:30:16 +02:00
core bpf: fix recursive lock when verdict program return SK_PASS 2024-12-05 14:02:01 +01:00
dcb net: dcb: choose correct policy to parse DCB_ATTR_BCN 2023-08-01 21:07:46 -07:00
dccp net: fix data-races around sk->sk_forward_alloc 2024-11-11 15:29:33 -08:00
devlink devlink: Constify the 'table_ops' parameter of devl_dpipe_table_register() 2024-06-05 10:24:57 +01:00
dns_resolver Networking changes for 6.8. 2024-01-11 10:07:29 -08:00
dsa net: dsa: refuse cross-chip mirroring operations 2024-10-09 19:41:35 -07:00
ethernet netkit: Fix pkt_type override upon netkit pass verdict 2024-05-25 10:48:57 -07:00
ethtool net: ethtool: phy: Don't set the context dev pointer for unfiltered DUMP 2024-09-13 21:40:12 -07:00
handshake net/handshake: use sockfd_put() helper 2024-08-27 16:09:25 -07:00
hsr net: hsr: fix hsr_init_sk() vs network/transport headers. 2024-12-05 14:02:33 +01:00
ieee802154 netdev_features: convert NETIF_F_NETNS_LOCAL to dev->netns_local 2024-09-03 11:36:43 +02:00
ife net: sched: ife: fix potential use-after-free 2023-12-15 10:50:18 +00:00
ipv4 ipmr: fix tables suspicious RCU usage 2024-12-05 14:02:35 +01:00
ipv6 ip6mr: fix tables suspicious RCU usage 2024-12-05 14:02:35 +01:00
iucv s390/iucv: MSG_PEEK causes memory leak in iucv_sock_destruct() 2024-12-05 14:02:31 +01:00
kcm kcm: Serialise kcm_sendmsg() for the same socket. 2024-08-19 18:36:12 -07:00
key net: fill in MODULE_DESCRIPTION()s for af_key 2024-02-09 14:12:01 -08:00
l2tp net/l2tp: fix warning in l2tp_exit_net found by syzbot 2024-12-05 14:02:31 +01:00
l3mdev l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu 2022-04-15 14:27:24 -07:00
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: Improve setsockopt() handling of malformed user input 2024-12-05 14:02:35 +01:00
mac80211 wifi: mac80211: ieee80211_i: Fix memory corruption bug in struct ieee80211_chanctx 2024-10-26 00:42:49 +02:00
mac802154 Including fixes from ieee802154, bluetooth and netfilter. 2024-10-03 09:44:00 -07:00
mctp mctp: Handle error of rtnl_register_module(). 2024-10-10 15:39:35 +02:00
mpls mpls: Handle error of rtnl_register_module(). 2024-10-10 15:39:35 +02:00
mptcp mptcp: pm: use _rcu variant under rcu_read_lock 2024-11-13 18:51:02 -08:00
ncsi net/ncsi: Disable the ncsi work before freeing the associated structure 2024-10-03 10:14:14 +02:00
netfilter netfilter: nf_tables: must hold rcu read lock while iterating object type list 2024-12-05 14:01:53 +01:00
netlabel netlabel: fix RCU annotation for IPv4 options on socket creation 2024-05-13 14:58:12 -07:00
netlink netlink: fix false positive warning in extack during dumps 2024-12-05 14:02:31 +01:00
netrom net/netrom: prefer strscpy over strcpy 2024-08-29 12:33:07 -07:00
nfc Quite smaller than usual. Notably it includes the fix for the unix 2024-05-23 12:49:37 -07:00
nsh nsh: Restore skb->{protocol,data,mac_header} for outer header in nsh_gso_segment(). 2024-04-26 12:20:01 +02:00
openvswitch netdev_features: convert NETIF_F_NETNS_LOCAL to dev->netns_local 2024-09-03 11:36:43 +02:00
packet net: add support for skbs with unreadable frags 2024-09-11 20:44:31 -07:00
phonet phonet: Handle error of rtnl_register_module(). 2024-10-10 15:39:36 +02:00
psample net: psample: fix flag being set in wrong skb 2024-07-11 18:11:31 -07:00
qrtr net: qrtr: Update packets cloning when broadcasting 2024-09-24 10:48:16 +02:00
rds net: rds: add option for GCOV profiling 2024-08-09 13:18:46 +01:00
rfkill net: rfkill: gpio: Add check for clk_enable() 2024-12-05 14:01:57 +01:00
rose net: change proto and proto_ops accept type 2024-05-13 18:19:09 -06:00
rxrpc rxrpc: Improve setsockopt() handling of malformed user input 2024-12-05 14:02:35 +01:00
sched net_sched: sch_fq: don't follow the fast path if Tx is behind now 2024-12-05 14:02:40 +01:00
sctp sctp: fix possible UAF in sctp_v6_available() 2024-11-09 09:15:04 -08:00
smc net/smc: do not leave a dangling sk pointer in __smc_create() 2024-11-07 11:31:14 -08:00
strparser strparser: pad sk_skb_cb to avoid straddling cachelines 2022-07-08 18:38:44 -07:00
sunrpc svcrdma: fix miss destroy percpu_counter in svc_rdma_proc_init() 2024-12-05 14:02:26 +01:00
switchdev net: bridge: switchdev: Improve error message for port_obj_add/del functions 2024-05-08 12:19:12 +01:00
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-09-15 09:13:19 -07:00
tls move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
unix af_unix: Don't return OOB skb in manage_oob(). 2024-09-09 17:14:27 -07:00
vmw_vsock hv_sock: Initializing vsk->trans to NULL to prevent a dangling pointer 2024-11-22 15:30:25 +01:00
wireless wifi: nl80211: fix bounds checker error in nl80211_parse_sched_scan 2024-12-05 14:02:49 +01:00
x25 net: change proto and proto_ops accept type 2024-05-13 18:19:09 -06:00
xdp xsk: Free skb when TX metadata options are invalid 2024-12-05 14:02:00 +01:00
xfrm ipsec-2024-10-22 2024-10-24 11:11:33 +02:00
compat.c file: stop exposing receive_fd_user() 2023-12-12 14:24:14 +01:00
devres.c net: devres: Correct a grammatical error 2021-06-11 12:55:28 -07:00
Kconfig memory-provider: disable building dmabuf mp on !CONFIG_PAGE_POOL 2024-09-13 11:41:45 -07:00
Kconfig.debug net: make NET_(DEV|NS)_REFCNT_TRACKER depend on NET 2022-09-20 14:23:56 -07:00
Makefile af_unix: Remove CONFIG_UNIX_SCM. 2024-01-31 16:41:16 -08:00
socket.c net: explicitly clear the sk pointer, when pf->create fails 2024-10-07 16:21:59 -07:00
sysctl_net.c sysctl: Remove check for sentinel element in ctl_table arrays 2024-06-13 10:50:52 +02:00