CVE-2022-50445

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> xfrm: Reinject transport-mode packets through workqueue<br /> <br /> The following warning is displayed when the tcp6-multi-diffip11 stress<br /> test case of the LTP test suite is tested:<br /> <br /> watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [ns-tcpserver:48198]<br /> CPU: 0 PID: 48198 Comm: ns-tcpserver Kdump: loaded Not tainted 6.0.0-rc6+ #39<br /> Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015<br /> pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)<br /> pc : des3_ede_encrypt+0x27c/0x460 [libdes]<br /> lr : 0x3f<br /> sp : ffff80000ceaa1b0<br /> x29: ffff80000ceaa1b0 x28: ffff0000df056100 x27: ffff0000e51e5280<br /> x26: ffff80004df75030 x25: ffff0000e51e4600 x24: 000000000000003b<br /> x23: 0000000000802080 x22: 000000000000003d x21: 0000000000000038<br /> x20: 0000000080000020 x19: 000000000000000a x18: 0000000000000033<br /> x17: ffff0000e51e4780 x16: ffff80004e2d1448 x15: ffff80004e2d1248<br /> x14: ffff0000e51e4680 x13: ffff80004e2d1348 x12: ffff80004e2d1548<br /> x11: ffff80004e2d1848 x10: ffff80004e2d1648 x9 : ffff80004e2d1748<br /> x8 : ffff80004e2d1948 x7 : 000000000bcaf83d x6 : 000000000000001b<br /> x5 : ffff80004e2d1048 x4 : 00000000761bf3bf x3 : 000000007f1dd0a3<br /> x2 : ffff0000e51e4780 x1 : ffff0000e3b9a2f8 x0 : 00000000db44e872<br /> Call trace:<br /> des3_ede_encrypt+0x27c/0x460 [libdes]<br /> crypto_des3_ede_encrypt+0x1c/0x30 [des_generic]<br /> crypto_cbc_encrypt+0x148/0x190<br /> crypto_skcipher_encrypt+0x2c/0x40<br /> crypto_authenc_encrypt+0xc8/0xfc [authenc]<br /> crypto_aead_encrypt+0x2c/0x40<br /> echainiv_encrypt+0x144/0x1a0 [echainiv]<br /> crypto_aead_encrypt+0x2c/0x40<br /> esp6_output_tail+0x1c8/0x5d0 [esp6]<br /> esp6_output+0x120/0x278 [esp6]<br /> xfrm_output_one+0x458/0x4ec<br /> xfrm_output_resume+0x6c/0x1f0<br /> xfrm_output+0xac/0x4ac<br /> __xfrm6_output+0x130/0x270<br /> xfrm6_output+0x60/0xec<br /> ip6_xmit+0x2ec/0x5bc<br /> inet6_csk_xmit+0xbc/0x10c<br /> __tcp_transmit_skb+0x460/0x8c0<br /> tcp_write_xmit+0x348/0x890<br /> __tcp_push_pending_frames+0x44/0x110<br /> tcp_rcv_established+0x3c8/0x720<br /> tcp_v6_do_rcv+0xdc/0x4a0<br /> tcp_v6_rcv+0xc24/0xcb0<br /> ip6_protocol_deliver_rcu+0xf0/0x574<br /> ip6_input_finish+0x48/0x7c<br /> ip6_input+0x48/0xc0<br /> ip6_rcv_finish+0x80/0x9c<br /> xfrm_trans_reinject+0xb0/0xf4<br /> tasklet_action_common.constprop.0+0xf8/0x134<br /> tasklet_action+0x30/0x3c<br /> __do_softirq+0x128/0x368<br /> do_softirq+0xb4/0xc0<br /> __local_bh_enable_ip+0xb0/0xb4<br /> put_cpu_fpsimd_context+0x40/0x70<br /> kernel_neon_end+0x20/0x40<br /> sha1_base_do_update.constprop.0.isra.0+0x11c/0x140 [sha1_ce]<br /> sha1_ce_finup+0x94/0x110 [sha1_ce]<br /> crypto_shash_finup+0x34/0xc0<br /> hmac_finup+0x48/0xe0<br /> crypto_shash_finup+0x34/0xc0<br /> shash_digest_unaligned+0x74/0x90<br /> crypto_shash_digest+0x4c/0x9c<br /> shash_ahash_digest+0xc8/0xf0<br /> shash_async_digest+0x28/0x34<br /> crypto_ahash_digest+0x48/0xcc<br /> crypto_authenc_genicv+0x88/0xcc [authenc]<br /> crypto_authenc_encrypt+0xd8/0xfc [authenc]<br /> crypto_aead_encrypt+0x2c/0x40<br /> echainiv_encrypt+0x144/0x1a0 [echainiv]<br /> crypto_aead_encrypt+0x2c/0x40<br /> esp6_output_tail+0x1c8/0x5d0 [esp6]<br /> esp6_output+0x120/0x278 [esp6]<br /> xfrm_output_one+0x458/0x4ec<br /> xfrm_output_resume+0x6c/0x1f0<br /> xfrm_output+0xac/0x4ac<br /> __xfrm6_output+0x130/0x270<br /> xfrm6_output+0x60/0xec<br /> ip6_xmit+0x2ec/0x5bc<br /> inet6_csk_xmit+0xbc/0x10c<br /> __tcp_transmit_skb+0x460/0x8c0<br /> tcp_write_xmit+0x348/0x890<br /> __tcp_push_pending_frames+0x44/0x110<br /> tcp_push+0xb4/0x14c<br /> tcp_sendmsg_locked+0x71c/0xb64<br /> tcp_sendmsg+0x40/0x6c<br /> inet6_sendmsg+0x4c/0x80<br /> sock_sendmsg+0x5c/0x6c<br /> __sys_sendto+0x128/0x15c<br /> __arm64_sys_sendto+0x30/0x40<br /> invoke_syscall+0x50/0x120<br /> el0_svc_common.constprop.0+0x170/0x194<br /> do_el0_svc+0x38/0x4c<br /> el0_svc+0x28/0xe0<br /> el0t_64_sync_handler+0xbc/0x13c<br /> el0t_64_sync+0x180/0x184<br /> <br /> Get softirq info by bcc tool:<br /> ./softirqs -NT 10<br /> Tracing soft irq event time... Hit Ctrl-C to end.<br /> <br /> 15:34:34<br /> SOFTIRQ TOTAL_nsecs<br /> block 158990<br /> timer 20030920<br /> sched 46577080<br /> net_rx 676746820<br /> tasklet 9906067650<br /> <br /> 15:34:45<br /> SOFTIRQ TOTAL_nsecs<br /> block 86100<br /> sched 38849790<br /> net_rx <br /> ---truncated---