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1dae9f1187
linux/net
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Anastasia Kovaleva 1dae9f1187 net: Fix an unsafe loop on the list 
The kernel may crash when deleting a genetlink family if there are still
listeners for that family:

Oops: Kernel access of bad area, sig: 11 [#1]
  ...
  NIP [c000000000c080bc] netlink_update_socket_mc+0x3c/0xc0
  LR [c000000000c0f764] __netlink_clear_multicast_users+0x74/0xc0
  Call Trace:
__netlink_clear_multicast_users+0x74/0xc0
genl_unregister_family+0xd4/0x2d0

Change the unsafe loop on the list to a safe one, because inside the
loop there is an element removal from this list.

Fixes: b8273570f8 ("genetlink: fix netns vs. netlink table locking (2)")
Cc: stable@vger.kernel.org
Signed-off-by: Anastasia Kovaleva <a.kovaleva@yadro.com>
Reviewed-by: Dmitry Bogdanov <d.bogdanov@yadro.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20241003104431.12391-1-a.kovaleva@yadro.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-10-04 15:37:15 -07:00
..
6lowpan ipv6: eliminate ndisc_ops_is_useropt() 2024-08-12 17:23:57 -07:00
9p net/9p/usbg: fix CONFIG_USB_GADGET dependency 2024-09-11 15:59:43 +02:00
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 Including fixes from ieee802154, bluetooth and netfilter. 2024-10-03 09:44:00 -07:00
bpf bpf: use type_may_be_null() helper for nullable-param check 2024-09-05 13:29:06 -07:00
bridge netfilter: br_netfilter: fix panic with metadata_dst skb 2024-10-04 11:54:52 -07:00
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 Including fixes from ieee802154, bluetooth and netfilter. 2024-10-03 09:44:00 -07:00
dcb
dccp move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
devlink devlink: Constify the 'table_ops' parameter of devl_dpipe_table_register() 2024-06-05 10:24:57 +01:00
dns_resolver
dsa net: dsa: improve shutdown sequence 2024-10-01 09:56:36 +02:00
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 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-09-12 17:11:24 -07:00
ieee802154 netdev_features: convert NETIF_F_NETNS_LOCAL to dev->netns_local 2024-09-03 11:36:43 +02:00
ife
ipv4 tcp: fix TFO SYN_RECV to not zero retrans_stamp with retransmits out 2024-10-03 16:18:04 -07:00
ipv6 Including fixes from ieee802154, bluetooth and netfilter. 2024-10-03 09:44:00 -07:00
iucv s390/iucv: Fix vargs handling in iucv_alloc_device() 2024-08-22 13:09:20 -07:00
kcm kcm: Serialise kcm_sendmsg() for the same socket. 2024-08-19 18:36:12 -07:00
key
l2tp l2tp: remove unneeded null check in l2tp_v2_session_get_next 2024-09-04 16:39:32 -07:00
l3mdev
lapb
llc llc: Constify struct llc_sap_state_trans 2024-07-15 08:51:19 -07:00
mac80211 move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
mac802154 Including fixes from ieee802154, bluetooth and netfilter. 2024-10-03 09:44:00 -07:00
mctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-08-22 17:06:18 -07:00
mpls net: mpls: delete redundant judgment statements 2024-08-23 14:27:46 +01:00
mptcp move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
ncsi net/ncsi: Disable the ncsi work before freeing the associated structure 2024-10-03 10:14:14 +02:00
netfilter move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
netlabel netlabel: fix RCU annotation for IPv4 options on socket creation 2024-05-13 14:58:12 -07:00
netlink net: Fix an unsafe loop on the list 2024-10-04 15:37:15 -07:00
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 move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
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 [tree-wide] finally take no_llseek out 2024-09-27 08:18:43 -07:00
rose net: change proto and proto_ops accept type 2024-05-13 18:19:09 -06:00
rxrpc rxrpc: Fix uninitialised variable in rxrpc_send_data() 2024-10-03 16:23:21 -07:00
sched move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
sctp sctp: set sk_state back to CLOSED if autobind fails in sctp_listen_start 2024-10-03 12:18:29 +02:00
smc net/smc: add sysctl for smc_limit_hs 2024-09-10 12:11:04 +02:00
strparser
sunrpc move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
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 virtio: features, fixes, cleanups 2024-09-26 08:43:17 -07:00
wireless move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
x25 net: change proto and proto_ops accept type 2024-05-13 18:19:09 -06:00
xdp bpf-next-6.12 2024-09-21 09:27:50 -07:00
xfrm move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
compat.c
devres.c
Kconfig memory-provider: disable building dmabuf mp on !CONFIG_PAGE_POOL 2024-09-13 11:41:45 -07:00
Kconfig.debug
Makefile
socket.c [tree-wide] finally take no_llseek out 2024-09-27 08:18:43 -07:00
sysctl_net.c sysctl: Remove check for sentinel element in ctl_table arrays 2024-06-13 10:50:52 +02:00