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Yajun Deng c454b1a215 netlink: Deal with ESRCH error in nlmsg_notify() 
[ Upstream commit fef773fc8110d8124c73a5e6610f89e52814637d ]

Yonghong Song report:
The bpf selftest tc_bpf failed with latest bpf-next.
The following is the command to run and the result:
$ ./test_progs -n 132
[   40.947571] bpf_testmod: loading out-of-tree module taints kernel.
test_tc_bpf:PASS:test_tc_bpf__open_and_load 0 nsec
test_tc_bpf:PASS:bpf_tc_hook_create(BPF_TC_INGRESS) 0 nsec
test_tc_bpf:PASS:bpf_tc_hook_create invalid hook.attach_point 0 nsec
test_tc_bpf_basic:PASS:bpf_obj_get_info_by_fd 0 nsec
test_tc_bpf_basic:PASS:bpf_tc_attach 0 nsec
test_tc_bpf_basic:PASS:handle set 0 nsec
test_tc_bpf_basic:PASS:priority set 0 nsec
test_tc_bpf_basic:PASS:prog_id set 0 nsec
test_tc_bpf_basic:PASS:bpf_tc_attach replace mode 0 nsec
test_tc_bpf_basic:PASS:bpf_tc_query 0 nsec
test_tc_bpf_basic:PASS:handle set 0 nsec
test_tc_bpf_basic:PASS:priority set 0 nsec
test_tc_bpf_basic:PASS:prog_id set 0 nsec
libbpf: Kernel error message: Failed to send filter delete notification
test_tc_bpf_basic:FAIL:bpf_tc_detach unexpected error: -3 (errno 3)
test_tc_bpf:FAIL:test_tc_internal ingress unexpected error: -3 (errno 3)

The failure seems due to the commit
    cfdf0d9ae75b ("rtnetlink: use nlmsg_notify() in rtnetlink_send()")

Deal with ESRCH error in nlmsg_notify() even the report variable is zero.

Reported-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Yajun Deng <yajun.deng@linux.dev>
Link: https://lore.kernel.org/r/20210719051816.11762-1-yajun.deng@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2021-09-22 12:26:27 +02:00
..
6lowpan 6lowpan: iphc: Fix an off-by-one check of array index 2021-09-15 09:47:31 +02:00
9p 9p/xen: Fix end of loop tests for list_for_each_entry 2021-09-22 12:26:20 +02:00
802 net/802/garp: fix memleak in garp_request_join() 2021-07-31 08:19:38 +02:00
8021q net: vlan: avoid leaks on register_vlan_dev() failures 2021-01-17 14:05:31 +01:00
appletalk appletalk: Fix skb allocation size in loopback case 2021-04-07 14:47:41 +02:00
atm atm: fix a memory leak of vcc->user_back 2020-10-01 13:17:58 +02:00
ax25 AX.25: Prevent integer overflows in connect and sendmsg 2020-07-31 18:39:31 +02:00
batman-adv batman-adv: Avoid WARN_ON timing related checks 2021-06-23 14:41:23 +02:00
bluetooth Revert "Bluetooth: Move shutdown callback before flushing tx and rx queue" 2021-09-16 12:56:13 +02:00
bpf bpf/flow_dissector: support flags in BPF_PROG_TEST_RUN 2019-07-25 18:00:41 -07:00
bpfilter bpfilter: Specify the log level for the kmsg message 2021-07-14 16:53:33 +02:00
bridge net: bridge: fix memleak in br_add_if() 2021-08-18 08:57:00 +02:00
caif net: fix uninit-value in caif_seqpkt_sendmsg 2021-07-28 13:30:56 +02:00
can can: j1939: j1939_session_deactivate(): clarify lifetime of session object 2021-08-04 12:27:40 +02:00
ceph libceph: clear con->out_msg on Policy::stateful_server faults 2020-11-05 11:43:34 +01:00
core netns: protect netns ID lookups with RCU 2021-09-15 09:47:31 +02:00
dcb net: dcb: Accept RTM_GETDCB messages carrying set-like DCB commands 2021-01-23 15:57:59 +01:00
dccp dccp: add do-while-0 stubs for dccp_pr_debug macros 2021-08-26 08:36:16 -04:00
decnet net: decnet: Fix sleeping inside in af_decnet 2021-07-28 13:30:56 +02:00
dns_resolver KEYS: Don't write out to userspace while holding key semaphore 2020-04-23 10:36:45 +02:00
dsa net: dsa: fix error code getting shifted with 4 in dsa_slave_get_sset_count 2021-06-03 08:59:12 +02:00
ethernet net: add annotations on hh->hh_len lockless accesses 2020-01-09 10:20:06 +01:00
hsr hsr: use netdev_err() instead of WARN_ONCE() 2021-05-14 09:44:10 +02:00
ieee802154 net: Fix memory leak in ieee802154_raw_deliver 2021-08-18 08:57:00 +02:00
ife net: Fix Kconfig indentation 2019-09-26 08:56:17 +02:00
ipv4 ipv4: fix endianness issue in inet_rtm_getroute_build_skb() 2021-09-15 09:47:38 +02:00
ipv6 ipv6: make exception cache less predictible 2021-09-15 09:47:37 +02:00
iucv net/af_iucv: remove WARN_ONCE on malformed RX packets 2021-03-07 12:20:42 +01:00
kcm kcm: disable preemption in kcm_parse_func_strparser() 2019-09-27 10:27:14 +02:00
key af_key: relax availability checks for skb size calculation 2021-02-13 13:52:54 +01:00
l2tp l2tp: remove skb_dst_set() from l2tp_xmit_skb() 2020-07-22 09:32:47 +02:00
l3mdev ipv6: convert major tx path to use RT6_LOOKUP_F_DST_NOREF 2019-06-23 13:24:17 -07:00
lapb net: lapb: Copy the skb before sending a packet 2021-02-10 09:25:28 +01:00
llc net: llc: fix skb_over_panic 2021-08-04 12:27:39 +02:00
mac80211 mac80211: Fix insufficient headroom issue for AMSDU 2021-09-15 09:47:35 +02:00
mac802154 net: mac802154: Fix general protection fault 2021-04-14 08:24:18 +02:00
mpls net: avoid infinite loop in mpls_gso_segment when mpls_hlen == 0 2021-03-17 17:03:31 +01:00
ncsi net/ncsi: Avoid channel_monitor hrtimer deadlock 2021-04-14 08:24:15 +02:00
netfilter netfilter: conntrack: collect all entries in one cycle 2021-09-03 10:08:12 +02:00
netlabel net: cipso: fix warnings in netlbl_cipsov4_add_std 2021-09-15 09:47:32 +02:00
netlink netlink: Deal with ESRCH error in nlmsg_notify() 2021-09-22 12:26:27 +02:00
netrom netrom: Decrease sock refcount when sock timers expire 2021-07-28 13:30:56 +02:00
nfc net/nfc/rawsock.c: fix a permission check bug 2021-06-16 11:59:33 +02:00
nsh treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
openvswitch ovs: clear skb->tstamp in forwarding path 2021-08-26 08:36:19 -04:00
packet net/packet: annotate accesses to po->ifindex 2021-06-30 08:47:48 -04:00
phonet net: use skb_queue_empty_lockless() in poll() handlers 2019-10-28 13:33:41 -07:00
psample net: psample: fix skb_over_panic 2019-12-04 22:30:54 +01:00
qrtr net: qrtr: fix another OOB Read in qrtr_endpoint_post 2021-09-03 10:08:12 +02:00
rds net/rds: dma_map_sg is entitled to merge entries 2021-09-03 10:08:15 +02:00
rfkill rfkill: Fix use-after-free in rfkill_resume() 2020-11-24 13:29:05 +01:00
rose rose: Fix Null pointer dereference in rose_send_frame() 2020-12-08 10:40:23 +01:00
rxrpc rxrpc: Fix clearance of Tx/Rx ring when releasing a call 2021-02-17 10:35:18 +01:00
sched net: sched: Fix qdisc_rate_table refcount leak when get tcf_block failed 2021-09-15 09:47:38 +02:00
sctp sctp: move the active_key update after sh_keys is added 2021-08-12 13:20:57 +02:00
smc Revert "net/smc: fix a NULL pointer dereference" 2021-06-03 08:59:08 +02:00
strparser Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-22 08:59:24 -04:00
sunrpc SUNRPC: Fix potential memory corruption 2021-09-22 12:26:24 +02:00
switchdev net: switchdev: don't set port_obj_info->handled true when -EOPNOTSUPP 2021-02-07 15:35:46 +01:00
tipc tipc: keep the skb in rcv queue until the whole data is read 2021-09-22 12:26:27 +02:00
tls tls: prevent oversized sendfile() hangs by ignoring MSG_MORE 2021-07-14 16:53:31 +02:00
unix af_unix: fix garbage collect vs MSG_PEEK 2021-07-31 08:19:37 +02:00
vmw_vsock vsock/virtio: avoid potential deadlock when vsock device remove 2021-08-18 08:57:01 +02:00
wimax wimax: no need to check return value of debugfs_create functions 2019-08-10 15:25:47 -07:00
wireless cfg80211: Fix possible memory leak in function cfg80211_bss_update 2021-08-04 12:27:38 +02:00
x25 net/x25: Return the correct errno code 2021-06-18 09:59:00 +02:00
xdp xsk: Simplify detection of empty and full rings 2021-05-22 11:38:27 +02:00
xfrm xfrm: Fix error reporting in xfrm_state_construct. 2021-07-19 08:53:11 +02:00
Kconfig net: Fix CONFIG_NET_CLS_ACT=n and CONFIG_NFT_FWD_NETDEV={y, m} build 2020-04-01 11:02:18 +02:00
Makefile
…
compat.c net: Return the correct errno code 2021-06-18 09:59:00 +02:00
socket.c net: don't unconditionally copy_from_user a struct ifreq for socket ioctls 2021-09-03 10:08:16 +02:00
sysctl_net.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00