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40c575d1ec
linux/net
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Johannes Berg 40c575d1ec cfg80211: fix netdev registration deadlock 
If register_netdevice() fails after having called cfg80211's
netdev notifier (cfg80211_netdev_notifier_call) it will call
the notifier again with UNREGISTER. This would then lock the
wiphy mutex because we're marked as registered, which causes
a deadlock.

Fix this by separately keeping track of whether or not we're
in the middle of registering to also skip the notifier call
on this unregister.

Reported-by: syzbot+2ae0ca9d7737ad1a62b7@syzkaller.appspotmail.com
Fixes: a05829a722 ("cfg80211: avoid holding the RTNL when calling the driver")
Link: https://lore.kernel.org/r/20210201192048.ed8bad436737.I7cae042c44b15f80919a285799a15df467e9d42d@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-02-01 19:30:54 +01:00
..
6lowpan
9p net: remove redundant 'depends on NET' 2021-01-27 17:04:12 -08:00
802
8021q Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-01-14 18:34:50 -08:00
appletalk net: appletalk: fix kerneldoc warnings 2020-10-30 11:48:17 -07:00
atm atm: nicstar: Replace in_interrupt() usage 2020-11-18 16:43:55 -08:00
ax25
batman-adv net: remove redundant 'depends on NET' 2021-01-27 17:04:12 -08:00
bluetooth net: remove redundant 'depends on NET' 2021-01-27 17:04:12 -08:00
bpf Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-01-20 12:16:11 -08:00
bpfilter net: remove redundant 'depends on NET' 2021-01-27 17:04:12 -08:00
bridge net: bridge: multicast: make tracked EHT hosts limit configurable 2021-01-27 17:40:35 -08:00
caif
can linux-can-next-for-5.12-20210127 2021-01-27 18:53:10 -08:00
ceph libceph: align session_key and con_secret to 16 bytes 2020-12-28 20:34:33 +01:00
core devlink: Add DMAC filter generic packet trap 2021-01-27 19:53:40 -08:00
dcb net: dcb: use obj-$(CONFIG_DCB) form in net/Makefile 2021-01-27 17:03:52 -08:00
dccp selinux/stable-5.11 PR 20201214 2020-12-16 11:01:04 -08:00
decnet treewide: rename nla_strlcpy to nla_strscpy. 2020-11-16 08:08:54 -08:00
dns_resolver net: remove redundant 'depends on NET' 2021-01-27 17:04:12 -08:00
dsa net: dsa: add ops for devlink-sb 2021-01-15 20:02:34 -08:00
ethernet net: datagram: fix some kernel-doc markups 2020-11-17 14:15:03 -08:00
ethtool net: introduce a netdev feature for UDP GRO forwarding 2021-01-23 20:16:24 -08:00
hsr
ieee802154 treewide: rename nla_strlcpy to nla_strscpy. 2020-11-16 08:08:54 -08:00
ife net: remove redundant 'depends on NET' 2021-01-27 17:04:12 -08:00
ipv4 udp: allow forwarding of plain (non-fraglisted) UDP GRO packets 2021-01-23 20:18:16 -08:00
ipv6 net: allow user to set metric on default route learned via Router Advertisement 2021-01-26 18:39:45 -08:00
iucv net/af_iucv: use DECLARE_SOCKADDR to cast from sockaddr 2020-12-08 15:56:53 -08:00
kcm net: group skb_shinfo zerocopy related bits together. 2021-01-07 16:08:37 -08:00
key
l2tp lsm,selinux: pass flowi_common instead of flowi to the LSM hooks 2020-11-23 18:36:21 -05:00
l3mdev net: l3mdev: use obj-$(CONFIG_NET_L3_MASTER_DEV) form in net/Makefile 2021-01-27 17:03:52 -08:00
lapb net: lapb: Decrease the refcount of "struct lapb_cb" in lapb_device_event 2021-01-04 13:42:41 -08:00
llc net: remove redundant 'depends on NET' 2021-01-27 17:04:12 -08:00
mac80211 mac80211: minstrel_ht: fix regression in the max_prob_rate fix 2021-01-27 22:06:38 +01:00
mac802154 net: mac802154: convert tasklets to use new tasklet_setup() API 2020-11-07 10:40:56 -08:00
mpls mpls: drop skb's dst in mpls_forward() 2020-11-03 12:55:53 -08:00
mptcp mptcp: pm nl: reduce variable scope 2021-01-27 16:53:55 -08:00
ncsi net/ncsi: Use real net-device for response handler 2020-12-23 12:22:23 -08:00
netfilter net: remove redundant 'depends on NET' 2021-01-27 17:04:12 -08:00
netlabel Merge https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-11-19 19:08:46 -08:00
netlink netlink: export policy in extended ACK 2020-10-09 20:22:32 -07:00
netrom
nfc net: remove redundant 'depends on NET' 2021-01-27 17:04:12 -08:00
nsh
openvswitch net: openvswitch: add log message for error case 2021-01-14 16:32:14 -08:00
packet net: af_packet: fix procfs header for 64-bit pointers 2020-12-18 12:17:23 -08:00
phonet
psample net: remove redundant 'depends on NET' 2021-01-27 17:04:12 -08:00
qrtr net: qrtr: fix null-ptr-deref in qrtr_ns_remove 2021-01-05 16:50:09 -08:00
rds rds: stop using dmapool 2020-11-17 15:22:06 -04:00
rfkill rfkill: add a reason to the HW rfkill state 2020-12-11 12:47:17 +01:00
rose rose: Fix Null pointer dereference in rose_send_frame() 2020-11-20 10:04:58 -08:00
rxrpc rxrpc: Call state should be read with READ_ONCE() under some circumstances 2021-01-13 10:38:20 -08:00
sched sch_htb: Stats for offloaded HTB 2021-01-22 20:41:29 -08:00
sctp sctp: remove the NETIF_F_SG flag before calling skb_segment 2021-01-16 19:05:59 -08:00
smc net/smc: use memcpy instead of snprintf to avoid out of bounds read 2021-01-12 20:22:01 -08:00
strparser
sunrpc Fixes: 2021-01-19 13:01:50 -08:00
switchdev net: switchdev: use obj-$(CONFIG_NET_SWITCHDEV) form in net/Makefile 2021-01-27 17:03:52 -08:00
tipc tipc: remove duplicated code in tipc_msg_create 2021-01-27 18:50:07 -08:00
tls net/tls: Except bond interface from some TLS checks 2021-01-18 20:48:40 -08:00
unix networking changes for the 5.10 merge window 2020-10-15 18:42:13 -07:00
vmw_vsock af_vsock: Assign the vsock transport considering the vsock address flags 2020-12-14 19:33:39 -08:00
wireless cfg80211: fix netdev registration deadlock 2021-02-01 19:30:54 +01:00
x25 net: x25: Remove unimplemented X.25-over-LLC code stubs 2020-12-12 17:15:33 -08:00
xdp xsk: Clear pool even for inactive queues 2021-01-19 22:47:04 +01:00
xfrm selinux/stable-5.11 PR 20201214 2020-12-16 11:01:04 -08:00
compat.c
devres.c
Kconfig wimax: move out to staging 2020-10-29 19:27:45 +01:00
Makefile net: l3mdev: use obj-$(CONFIG_NET_L3_MASTER_DEV) form in net/Makefile 2021-01-27 17:03:52 -08:00
socket.c for-5.11/io_uring-2020-12-14 2020-12-16 12:44:05 -08:00
sysctl_net.c