Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-18 00:53:40 +00:00
Code Issues Packages Projects Releases Wiki Activity
4f4920669d
linux/net
History
Liu Jian 4f4920669d xfrm: Reinject transport-mode packets through workqueue 
The following warning is displayed when the tcp6-multi-diffip11 stress
test case of the LTP test suite is tested:

watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [ns-tcpserver:48198]
CPU: 0 PID: 48198 Comm: ns-tcpserver Kdump: loaded Not tainted 6.0.0-rc6+ #39
Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : des3_ede_encrypt+0x27c/0x460 [libdes]
lr : 0x3f
sp : ffff80000ceaa1b0
x29: ffff80000ceaa1b0 x28: ffff0000df056100 x27: ffff0000e51e5280
x26: ffff80004df75030 x25: ffff0000e51e4600 x24: 000000000000003b
x23: 0000000000802080 x22: 000000000000003d x21: 0000000000000038
x20: 0000000080000020 x19: 000000000000000a x18: 0000000000000033
x17: ffff0000e51e4780 x16: ffff80004e2d1448 x15: ffff80004e2d1248
x14: ffff0000e51e4680 x13: ffff80004e2d1348 x12: ffff80004e2d1548
x11: ffff80004e2d1848 x10: ffff80004e2d1648 x9 : ffff80004e2d1748
x8 : ffff80004e2d1948 x7 : 000000000bcaf83d x6 : 000000000000001b
x5 : ffff80004e2d1048 x4 : 00000000761bf3bf x3 : 000000007f1dd0a3
x2 : ffff0000e51e4780 x1 : ffff0000e3b9a2f8 x0 : 00000000db44e872
Call trace:
 des3_ede_encrypt+0x27c/0x460 [libdes]
 crypto_des3_ede_encrypt+0x1c/0x30 [des_generic]
 crypto_cbc_encrypt+0x148/0x190
 crypto_skcipher_encrypt+0x2c/0x40
 crypto_authenc_encrypt+0xc8/0xfc [authenc]
 crypto_aead_encrypt+0x2c/0x40
 echainiv_encrypt+0x144/0x1a0 [echainiv]
 crypto_aead_encrypt+0x2c/0x40
 esp6_output_tail+0x1c8/0x5d0 [esp6]
 esp6_output+0x120/0x278 [esp6]
 xfrm_output_one+0x458/0x4ec
 xfrm_output_resume+0x6c/0x1f0
 xfrm_output+0xac/0x4ac
 __xfrm6_output+0x130/0x270
 xfrm6_output+0x60/0xec
 ip6_xmit+0x2ec/0x5bc
 inet6_csk_xmit+0xbc/0x10c
 __tcp_transmit_skb+0x460/0x8c0
 tcp_write_xmit+0x348/0x890
 __tcp_push_pending_frames+0x44/0x110
 tcp_rcv_established+0x3c8/0x720
 tcp_v6_do_rcv+0xdc/0x4a0
 tcp_v6_rcv+0xc24/0xcb0
 ip6_protocol_deliver_rcu+0xf0/0x574
 ip6_input_finish+0x48/0x7c
 ip6_input+0x48/0xc0
 ip6_rcv_finish+0x80/0x9c
 xfrm_trans_reinject+0xb0/0xf4
 tasklet_action_common.constprop.0+0xf8/0x134
 tasklet_action+0x30/0x3c
 __do_softirq+0x128/0x368
 do_softirq+0xb4/0xc0
 __local_bh_enable_ip+0xb0/0xb4
 put_cpu_fpsimd_context+0x40/0x70
 kernel_neon_end+0x20/0x40
 sha1_base_do_update.constprop.0.isra.0+0x11c/0x140 [sha1_ce]
 sha1_ce_finup+0x94/0x110 [sha1_ce]
 crypto_shash_finup+0x34/0xc0
 hmac_finup+0x48/0xe0
 crypto_shash_finup+0x34/0xc0
 shash_digest_unaligned+0x74/0x90
 crypto_shash_digest+0x4c/0x9c
 shash_ahash_digest+0xc8/0xf0
 shash_async_digest+0x28/0x34
 crypto_ahash_digest+0x48/0xcc
 crypto_authenc_genicv+0x88/0xcc [authenc]
 crypto_authenc_encrypt+0xd8/0xfc [authenc]
 crypto_aead_encrypt+0x2c/0x40
 echainiv_encrypt+0x144/0x1a0 [echainiv]
 crypto_aead_encrypt+0x2c/0x40
 esp6_output_tail+0x1c8/0x5d0 [esp6]
 esp6_output+0x120/0x278 [esp6]
 xfrm_output_one+0x458/0x4ec
 xfrm_output_resume+0x6c/0x1f0
 xfrm_output+0xac/0x4ac
 __xfrm6_output+0x130/0x270
 xfrm6_output+0x60/0xec
 ip6_xmit+0x2ec/0x5bc
 inet6_csk_xmit+0xbc/0x10c
 __tcp_transmit_skb+0x460/0x8c0
 tcp_write_xmit+0x348/0x890
 __tcp_push_pending_frames+0x44/0x110
 tcp_push+0xb4/0x14c
 tcp_sendmsg_locked+0x71c/0xb64
 tcp_sendmsg+0x40/0x6c
 inet6_sendmsg+0x4c/0x80
 sock_sendmsg+0x5c/0x6c
 __sys_sendto+0x128/0x15c
 __arm64_sys_sendto+0x30/0x40
 invoke_syscall+0x50/0x120
 el0_svc_common.constprop.0+0x170/0x194
 do_el0_svc+0x38/0x4c
 el0_svc+0x28/0xe0
 el0t_64_sync_handler+0xbc/0x13c
 el0t_64_sync+0x180/0x184

Get softirq info by bcc tool:
./softirqs -NT 10
Tracing soft irq event time... Hit Ctrl-C to end.

15:34:34
SOFTIRQ          TOTAL_nsecs
block                 158990
timer               20030920
sched               46577080
net_rx             676746820
tasklet           9906067650

15:34:45
SOFTIRQ          TOTAL_nsecs
block                  86100
sched               38849790
net_rx             676532470
timer             1163848790
tasklet           9409019620

15:34:55
SOFTIRQ          TOTAL_nsecs
sched               58078450
net_rx             475156720
timer              533832410
tasklet           9431333300

The tasklet software interrupt takes too much time. Therefore, the
xfrm_trans_reinject executor is changed from tasklet to workqueue. Add add
spin lock to protect the queue. This reduces the processing flow of the
tcp_sendmsg function in this scenario.

Fixes: acf568ee85 ("xfrm: Reinject transport-mode packets through tasklet")
Signed-off-by: Liu Jian <liujian56@huawei.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2022-09-28 09:04:12 +02:00
..
6lowpan net: 6lowpan: constify lowpan_nhc structures 2022-06-09 21:53:28 +02:00
9p iov_iter stuff, part 2, rebased 2022-08-08 20:04:35 -07:00
802
8021q Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-07-14 15:27:35 -07:00
appletalk
atm net: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
ax25 net: avoid overflow when rose /proc displays timer information. 2022-08-05 19:00:02 -07:00
batman-adv batman-adv: tracing: Use the new __vstring() helper 2022-07-30 13:52:47 -04:00
bluetooth Bluetooth: hci_sync: hold hdev->lock when cleanup hci_conn 2022-08-25 16:26:19 -07:00
bpf bpf: Allow calling bpf_prog_test kfuncs in tracing programs 2022-08-09 18:46:11 -07:00
bpfilter
bridge netfilter: ebtables: reject blobs that don't provide all entry points 2022-08-23 18:23:15 +02:00
caif caif: Fix bitmap data type in "struct caifsock" 2022-07-22 12:51:45 +01:00
can can: j1939: j1939_session_destroy(): fix memory leak of skbs 2022-08-09 09:05:06 +02:00
ceph libceph: clean up ceph_osdc_start_request prototype 2022-08-03 14:05:39 +02:00
core Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf 2022-08-26 12:19:09 +01:00
dcb
dccp dccp: put dccp_qpolicy_full() and dccp_qpolicy_push() in the same lock 2022-08-01 12:11:56 -07:00
decnet dn_route: replace "jiffies-now>0" with "jiffies!=now" 2022-07-29 20:12:49 -07:00
dns_resolver
dsa net: dsa: don't dereference NULL extack in dsa_slave_changeupper() 2022-08-23 07:54:16 -07:00
ethernet
ethtool net: delete extra space and tab in blank line 2022-07-25 19:38:31 -07:00
hsr treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_30.RULE (part 2) 2022-06-10 14:51:35 +02:00
ieee802154 net: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
ife
ipv4 esp: choose the correct inner protocol for GSO on inter address family tunnels 2022-08-29 10:20:58 +02:00
ipv6 esp: choose the correct inner protocol for GSO on inter address family tunnels 2022-08-29 10:20:58 +02:00
iucv net: keep sk->sk_forward_alloc as small as possible 2022-06-10 16:21:27 -07:00
kcm
key Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec 2022-08-24 12:51:50 +01:00
l2tp l2tp: l2tp_debugfs: fix Clang -Wformat warnings 2022-07-08 12:14:36 +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
llc net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
mac80211 wifi: mac80211: potential NULL dereference in ieee80211_tx_control_port() 2022-08-25 10:05:25 +02:00
mac802154 net: mac802154: Fix symbol durations 2022-04-30 20:29:47 +02:00
mctp Networking changes for 5.19. 2022-05-25 12:22:58 -07:00
mpls
mptcp net: Fix data-races around sysctl_max_skb_frags. 2022-08-24 13:46:58 +01:00
ncsi net/ncsi: use proper "mellanox" DT vendor prefix 2022-06-23 20:51:06 -07:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf 2022-08-24 19:18:10 -07:00
netlabel netlabel: fix typo in comment 2022-08-10 09:24:41 +01:00
netlink net: genl: fix error path memory leak in policy dumping 2022-08-18 10:20:48 -07:00
netrom
nfc net: nfc: Directly use ida_alloc()/free() 2022-05-28 15:28:47 +01:00
nsh
openvswitch openvswitch: fix memory leak at failed datapath creation 2022-08-26 19:26:30 -07:00
packet net/af_packet: check len when min_header_len equals to 0 2022-07-29 12:09:27 +01:00
phonet
psample
qrtr net: qrtr: start MHI channel after endpoit creation 2022-08-15 11:21:42 +01:00
rds rds: add missing barrier to release_refill 2022-08-12 10:46:01 +01:00
rfkill
rose rose: check NULL rose_loopback_neigh->loopback 2022-08-22 14:24:54 +01:00
rxrpc rxrpc: Fix locking in rxrpc's sendmsg 2022-08-25 12:39:40 -07:00
sched net: Fix data-races around weight_p and dev_weight_[rt]x_bias. 2022-08-24 13:46:57 +01:00
sctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-07-28 18:21:16 -07:00
smc net/smc: Enable module load on netlink usage 2022-07-27 13:24:42 +01:00
strparser strparser: pad sk_skb_cb to avoid straddling cachelines 2022-07-08 18:38:44 -07:00
sunrpc NFS client bugfixes for Linux 6.0 2022-08-22 11:40:01 -07:00
switchdev net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-07-28 18:21:16 -07:00
tls tls: rx: react to strparser initialization errors 2022-08-17 10:24:00 +01:00
unix Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2022-07-09 12:24:16 -07:00
vmw_vsock vsock: Set socket state back to SS_UNCONNECTED in vsock_connect_timeout() 2022-08-10 09:50:18 +01:00
wireless wifi: cfg80211: debugfs: fix return type in ht40allow_map_read() 2022-08-25 10:04:46 +02:00
x25 net/x25: fix call timeouts in blocking connects 2022-08-08 20:48:51 -07:00
xdp xsk: Fix corrupted packets for XDP_SHARED_UMEM 2022-08-15 17:26:07 +02:00
xfrm xfrm: Reinject transport-mode packets through workqueue 2022-09-28 09:04:12 +02:00
compat.c Merge branch 'for-5.20/io_uring' into for-5.20/io_uring-zerocopy-send 2022-07-24 18:41:03 -06:00
devres.c
Kconfig
Kconfig.debug net: CONFIG_DEBUG_NET depends on CONFIG_NET 2022-06-02 10:15:05 -07:00
Makefile
socket.c net: Fix a data-race around sysctl_somaxconn. 2022-08-24 13:46:58 +01:00
sysctl_net.c