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1dd271d9e5
linux/net
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Nguyen Dinh Phi 517a16b1a8 netrom: Decrease sock refcount when sock timers expire 
Commit 63346650c1 ("netrom: switch to sock timer API") switched to use
sock timer API. It replaces mod_timer() by sk_reset_timer(), and
del_timer() by sk_stop_timer().

Function sk_reset_timer() will increase the refcount of sock if it is
called on an inactive timer, hence, in case the timer expires, we need to
decrease the refcount ourselves in the handler, otherwise, the sock
refcount will be unbalanced and the sock will never be freed.

Signed-off-by: Nguyen Dinh Phi <phind.uet@gmail.com>
Reported-by: syzbot+10f1194569953b72f1ae@syzkaller.appspotmail.com
Fixes: 63346650c1 ("netrom: switch to sock timer API")
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-18 09:48:59 -07:00
..
6lowpan 6lowpan: Fix some typos in nhc_udp.c 2021-03-24 17:52:11 -07:00
9p 9p/trans_virtio: Fix spelling mistakes 2021-06-02 14:01:55 -07:00
802 net/802/garp: fix memleak in garp_request_join() 2021-07-01 11:21:57 -07:00
8021q net: vlan: pass thru all GSO_SOFTWARE in hw_enc_features 2021-06-18 11:58:03 -07:00
appletalk Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-18 19:47:02 -07:00
atm atm: Use list_for_each_entry() to simplify code in resources.c 2021-06-10 14:08:09 -07:00
ax25 net/ax25: Delete obsolete TODO file 2021-03-30 16:54:50 -07:00
batman-adv Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-18 19:47:02 -07:00
bluetooth TTY / Serial patches for 5.14-rc1 2021-07-05 14:08:24 -07:00
bpf bpf, test: fix NULL pointer dereference on invalid expected_attach_type 2021-07-12 17:13:08 +02:00
bpfilter bpfilter: Specify the log level for the kmsg message 2021-06-25 13:13:50 +02:00
bridge net: bridge: multicast: fix MRD advertisement router port marking race 2021-07-11 12:11:06 -07:00
caif net: fix uninit-value in caif_seqpkt_sendmsg 2021-07-15 11:08:33 -07:00
can Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-29 15:45:27 -07:00
ceph Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
core net: Fix zero-copy head len calculation. 2021-07-18 09:42:17 -07:00
dcb net: dcb: Return the correct errno code 2021-06-01 17:01:33 -07:00
dccp net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
decnet net: decnet: Fix sleeping inside in af_decnet 2021-07-16 14:06:16 -07:00
dns_resolver
dsa net: dsa: properly check for the bridge_leave methods in dsa_switch_bridge_leave() 2021-07-13 14:47:10 -07:00
ethernet of: net: pass the dst buffer to of_get_mac_address() 2021-04-13 14:35:02 -07:00
ethtool net: sock: extend SO_TIMESTAMPING for PHC binding 2021-07-01 13:08:18 -07:00
hsr net: hsr: don't check sequence number if tag removal is offloaded 2021-06-16 12:13:01 -07:00
ieee802154 ieee802154: fix error return code in ieee802154_llsec_getparams() 2021-06-03 10:59:49 +02:00
ife
ipv4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf 2021-07-15 14:39:45 -07:00
ipv6 ipv6: allocate enough headroom in ip6_finish_output2() 2021-07-12 11:25:12 -07:00
iucv s390: iucv: Avoid field over-reading memcpy() 2021-07-01 15:54:01 -07:00
kcm net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
key net: Remove unnecessary variables 2021-05-26 07:03:39 +02:00
l2tp l2tp: Fix spelling mistakes 2021-06-07 14:08:30 -07:00
l3mdev l3mdev: Correct function names in the kerneldoc comments 2021-03-28 17:56:55 -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 llc2: Remove redundant assignment to rc 2021-04-27 14:16:14 -07:00
mac80211 mac80211: Switch to a virtual time-based airtime scheduler 2021-06-23 18:12:00 +02:00
mac802154 net: mac802154: Fix general protection fault 2021-04-06 22:42:16 +02:00
mpls mpls: Remove redundant assignment to err 2021-04-27 14:17:00 -07:00
mptcp net: Use nlmsg_unicast() instead of netlink_unicast() 2021-07-13 09:28:29 -07:00
ncsi net/ncsi: add dummy response handler for Intel boards 2021-07-08 14:16:39 -07:00
netfilter netfilter: nft_last: incorrect arithmetics when restoring last used 2021-07-06 14:15:13 +02:00
netlabel netlabel: Fix memory leak in netlbl_mgmt_add_common 2021-06-15 11:19:04 -07:00
netlink net: Use nlmsg_unicast() instead of netlink_unicast() 2021-07-13 09:28:29 -07:00
netrom netrom: Decrease sock refcount when sock timers expire 2021-07-18 09:48:59 -07:00
nfc TTY / Serial patches for 5.14-rc1 2021-07-05 14:08:24 -07:00
nsh
openvswitch openvswitch: Optimize operation for key comparison 2021-07-01 11:13:10 -07:00
packet Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
phonet
psample psample: Add additional metadata attributes 2021-03-14 15:00:43 -07:00
qrtr net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
rds Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
rfkill Another set of updates, all over the map: 2021-04-20 16:44:04 -07:00
rose net: rose: Fix fall-through warnings for Clang 2021-03-10 12:45:15 -08:00
rxrpc Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
sched net: sched: fix memory leak in tcindex_partial_destroy_work 2021-07-18 09:45:46 -07:00
sctp sctp: trim optlen when it's a huge value in sctp_setsockopt 2021-07-18 09:47:29 -07:00
smc net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
strparser net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
sunrpc NFS client updates for Linux 5.14 2021-07-09 09:43:57 -07:00
switchdev net: switchdev: add a context void pointer to struct switchdev_notifier_info 2021-06-28 14:09:03 -07:00
tipc Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
tls Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-29 15:45:27 -07:00
unix net: Use nlmsg_unicast() instead of netlink_unicast() 2021-07-13 09:28:29 -07:00
vmw_vsock Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
wireless cfg80211: Support hidden AP discovery over 6GHz band 2021-06-23 13:05:09 +02:00
x25 net: x25: Use list_for_each_entry() to simplify code in x25_route.c 2021-06-10 14:08:09 -07:00
xdp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-29 15:45:27 -07:00
xfrm Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
compat.c net: Return the correct errno code 2021-06-03 15:13:56 -07:00
devres.c net: devres: Correct a grammatical error 2021-06-11 12:55:28 -07:00
Kconfig bpf, kconfig: Add consolidated menu entry for bpf with core options 2021-05-11 13:56:16 -07:00
Makefile
socket.c net: socket: support hardware timestamp conversion to PHC bound 2021-07-01 13:08:18 -07:00
sysctl_net.c net: Ensure net namespace isolation of sysctls 2021-04-12 13:27:11 -07:00