echo $? 0 xx__-> echo scan > /sys/kernel/debug/kmemleak xx__-> ..... backtrace (crc db36064d): __kmalloc_node_noprof+0x545/0x7b0 crypto_create_tfm_node+0x99/0x370 crypto_alloc_tfm_node+0xd7/0x1e0 esp_init_aead.constprop.0+0x118/0x360 esp_init_state+0x7f/0x610 __xfrm_init_state+0x767/0x1460 xfrm_state_construct+0x136d/0x22c0 [xfrm_user] xfrm_add_sa+0x131/0x470 [xfrm_user] xfrm_user_rcv_msg+0x548/0x980 [xfrm_user] netlink_rcv_skb+0x14e/0x3a0 xfrm_netlink_rcv+0x6e/0x90 [xfrm_user] netlink_unicast+0x486/0x750 netlink_sendmsg+0x735/0xc60 ____sys_sendmsg+0x419/0x850 ___sys_sendmsg+0x14e/0x1d0 __sys_sendmsg+0x145/0x1f0 unreferenced object 0xff1100000e720940 (size 944): comm "ip", pid 21584, jiffies 4296662238 hex dump (first 32 bytes): 40 80 5c 0d 00 00 11 ff 48 48 72 0e 00 00 11 ff @.\.....HHr..... 00 00 00 00 00 00 00 00 58 48 72 0e 00 00 11 ff ........XHr..... backtrace (crc c21911cc): kmem_cache_alloc_noprof+0x445/0x5f0 xfrm_state_alloc+0x23/0x5b0 xfrm_state_construct+0x28/0x22c0 [xfrm_user] xfrm_add_sa+0x131/0x470 [xfrm_user] xfrm_user_rcv_msg+0x548/0x980 [xfrm_user] netlink_rcv_skb+0x14e/0x3a0 xfrm_netlink_rcv+0x6e/0x90 [xfrm_user] netlink_unicast+0x486/0x750 netlink_sendmsg+0x735/0xc60 ____sys_sendmsg+0x419/0x850 ___sys_sendmsg+0x14e/0x1d0 __sys_sendmsg+0x145/0x1f0 do_syscall_64+0x117/0x590 entry_SYSCALL_64_after_hwframe+0x4b/0x53 unreferenced object 0xff1100000264a320 (size 96): comm "ip", pid 21584, jiffies 4296662238 hex dump (first 32 bytes): 72 66 63 34 31 30 36 28 67 63 6d 28 61 65 73 29 rfc4106(gcm(aes) 29 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 )............... backtrace (crc 92f0f7a4): __kmalloc_node_track_caller_noprof+0x543/0x7b0 kmemdup_noprof+0x25/0x40 xfrm_state_construct+0x58c/0x22c0 [xfrm_user] xfrm_add_sa+0x131/0x470 [xfrm_user] xfrm_user_rcv_msg+0x548/0x980 [xfrm_user] netlink_rcv_skb+0x14e/0x3a0 xfrm_netlink_rcv+0x6e/0x90 [xfrm_user] netlink_unicast+0x486/0x750 netlink_sendmsg+0x735/0xc60 ____sys_sendmsg+0x419/0x850 ___sys_sendmsg+0x14e/0x1d0 __sys_sendmsg+0x145/0x1f0 do_syscall_64+0x117/0x590 entry_SYSCALL_64_after_hwframe+0x4b/0x53 unreferenced object 0xff1100001af410c0 (size 184): comm "ping", pid 21598, jiffies 4296662586 hex dump (first 32 bytes): 00 40 d4 08 00 00 11 ff 40 68 93 af ff ff ff ff .@......@h...... 21 48 29 ae ff ff ff ff 00 00 00 00 00 00 00 00 !H)............. backtrace (crc d53001c9): kmem_cache_alloc_noprof+0x445/0x5f0 dst_alloc+0x79/0x160 rt_dst_alloc+0x38/0x3a0 __mkroute_output+0x45b/0x1080 ip_route_output_key_hash+0x120/0x240 ip_route_output_flow+0x21/0x150 l2tp_xmit_ipv4+0x7e6/0xcd0 [l2tp_core] l2tp_xmit_core.constprop.0+0x993/0x19a0 [l2tp_core] l2tp_xmit_skb+0x77/0x1d0 [l2tp_core] l2tp_eth_dev_xmit+0x72/0x1d0 [l2tp_eth] dev_hard_start_xmit+0xf8/0x690 sch_direct_xmit+0x25b/0x1100 __dev_xmit_skb+0xecc/0x1be0 __dev_queue_xmit+0x952/0x1b90 ip_finish_output2+0x7c4/0x1c60 ip_output+0x1ca/0x660 unreferenced object 0xff1100001639ac40 (size 304): comm "ping", pid 21598, jiffies 4296662586 hex dump (first 32 bytes): 00 40 d4 08 00 00 11 ff 40 b6 5c 0d 00 00 11 ff .@......@.\..... 20 1e fa 11 00 00 11 ff 00 00 00 00 00 00 00 00 ............... backtrace (crc c53108a7): kmem_cache_alloc_noprof+0x445/0x5f0 dst_alloc+0x79/0x160 xfrm_bundle_create+0x276/0x2110 xfrm_resolve_and_create_bundle+0x1b6/0x320 xfrm_bundle_lookup.constprop.0+0x154/0xba0 xfrm_lookup_with_ifid+0x3ea/0xc90 xfrm_lookup_route+0x21/0x1a0 l2tp_xmit_ipv4+0x7e6/0xcd0 [l2tp_core] l2tp_xmit_core.constprop.0+0x993/0x19a0 [l2tp_core] l2tp_xmit_skb+0x77/0x1d0 [l2tp_core] l2tp_eth_dev_xmit+0x72/0x1d0 [l2tp_eth] dev_hard_start_xmit+0xf8/0x690 sch_direct_xmit+0x25b/0x1100 __dev_xmit_skb+0xecc/0x1be0 __dev_queue_xmit+0x952/0x1b90 ip_finish_output2+0x7c4/0x1c60 unreferenced object 0xff11000011fa1e20 (size 96): comm "ping", pid 21598, jiffies 4296662586 hex dump (first 32 bytes): 00 00 00 00 ba 05 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 9a636c5): __kmalloc_cache_noprof+0x463/0x620 dst_cow_metrics_generic+0x56/0x1b0 xfrm_bundle_create+0xc40/0x2110 xfrm_resolve_and_create_bundle+0x1b6/0x320 xfrm_bundle_lookup.constprop.0+0x154/0xba0 xfrm_lookup_with_ifid+0x3ea/0xc90 xfrm_lookup_route+0x21/0x1a0 l2tp_xmit_ipv4+0x7e6/0xcd0 [l2tp_core] l2tp_xmit_core.constprop.0+0x993/0x19a0 [l2tp_core] l2tp_xmit_skb+0x77/0x1d0 [l2tp_core] l2tp_eth_dev_xmit+0x72/0x1d0 [l2tp_eth] dev_hard_start_xmit+0xf8/0x690 sch_direct_xmit+0x25b/0x1100 __dev_xmit_skb+0xecc/0x1be0 __dev_queue_xmit+0x952/0x1b90 ip_finish_output2+0x7c4/0x1c60 unreferenced object 0xff1100001af40dc0 (size 184): comm "softirq", pid 0, jiffies 4296662587 hex dump (first 32 bytes): 00 40 d4 08 00 00 11 ff 40 68 93 af ff ff ff ff .@......@h...... 21 48 29 ae ff ff ff ff 00 00 00 00 00 00 00 00 !H)............. backtrace (crc b84ac625): kmem_cache_alloc_noprof+0x445/0x5f0 dst_alloc+0x79/0x160 rt_dst_alloc+0x38/0x3a0 __mkroute_output+0x45b/0x1080 ip_route_output_key_hash+0x120/0x240 ip_route_output_flow+0x21/0x150 l2tp_xmit_ipv4+0x7e6/0xcd0 [l2tp_core] l2tp_xmit_core.constprop.0+0x993/0x19a0 [l2tp_core] l2tp_xmit_skb+0x77/0x1d0 [l2tp_core] l2tp_eth_dev_xmit+0x72/0x1d0 [l2tp_eth] dev_hard_start_xmit+0xf8/0x690 sch_direct_xmit+0x25b/0x1100 __dev_xmit_skb+0xecc/0x1be0 __dev_queue_xmit+0x952/0x1b90 ip_finish_output2+0x684/0x1c60 ip_output+0x1ca/0x660 unreferenced object 0xff1100001639ae40 (size 304): comm "softirq", pid 0, jiffies 4296662587 hex dump (first 32 bytes): 00 40 d4 08 00 00 11 ff 40 97 5c 0d 00 00 11 ff .@......@.\..... 20 88 4f 14 00 00 11 ff 00 00 00 00 00 00 00 00 .O............. backtrace (crc 6103d161): kmem_cache_alloc_noprof+0x445/0x5f0 dst_alloc+0x79/0x160 xfrm_bundle_create+0x276/0x2110 xfrm_resolve_and_create_bundle+0x1b6/0x320 xfrm_bundle_lookup.constprop.0+0x154/0xba0 xfrm_lookup_with_ifid+0x3ea/0xc90 xfrm_lookup_route+0x21/0x1a0 l2tp_xmit_ipv4+0x7e6/0xcd0 [l2tp_core] l2tp_xmit_core.constprop.0+0x993/0x19a0 [l2tp_core] l2tp_xmit_skb+0x77/0x1d0 [l2tp_core] l2tp_eth_dev_xmit+0x72/0x1d0 [l2tp_eth] dev_hard_start_xmit+0xf8/0x690 sch_direct_xmit+0x25b/0x1100 __dev_xmit_skb+0xecc/0x1be0 __dev_queue_xmit+0x952/0x1b90 ip_finish_output2+0x684/0x1c60 unreferenced object 0xff110000144f8820 (size 96): comm "softirq", pid 0, jiffies 4296662587 hex dump (first 32 bytes): 00 00 00 00 ba 05 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 9a636c5): __kmalloc_cache_noprof+0x463/0x620 dst_cow_metrics_generic+0x56/0x1b0 xfrm_bundle_create+0xc40/0x2110 xfrm_resolve_and_create_bundle+0x1b6/0x320 xfrm_bundle_lookup.constprop.0+0x154/0xba0 xfrm_lookup_with_ifid+0x3ea/0xc90 xfrm_lookup_route+0x21/0x1a0 l2tp_xmit_ipv4+0x7e6/0xcd0 [l2tp_core] l2tp_xmit_core.constprop.0+0x993/0x19a0 [l2tp_core] l2tp_xmit_skb+0x77/0x1d0 [l2tp_core] l2tp_eth_dev_xmit+0x72/0x1d0 [l2tp_eth] dev_hard_start_xmit+0xf8/0x690 sch_direct_xmit+0x25b/0x1100 __dev_xmit_skb+0xecc/0x1be0 __dev_queue_xmit+0x952/0x1b90 ip_finish_output2+0x684/0x1c60 unreferenced object 0xff1100001eb816c0 (size 184): comm "ping", pid 21622, jiffies 4296663150 hex dump (first 32 bytes): 00 40 d4 08 00 00 11 ff 40 68 93 af ff ff ff ff .@......@h...... 21 48 29 ae ff ff ff ff 00 00 00 00 00 00 00 00 !H)............. backtrace (crc 8b3fcb0e): kmem_cache_alloc_noprof+0x445/0x5f0 dst_alloc+0x79/0x160 rt_dst_alloc+0x38/0x3a0 __mkroute_output+0x45b/0x1080 ip_route_output_key_hash+0x120/0x240 ip_route_output_flow+0x21/0x150 l2tp_xmit_ipv4+0x7e6/0xcd0 [l2tp_core] l2tp_xmit_core.constprop.0+0x993/0x19a0 [l2tp_core] l2tp_xmit_skb+0x77/0x1d0 [l2tp_core] l2tp_eth_dev_xmit+0x72/0x1d0 [l2tp_eth] dev_hard_start_xmit+0xf8/0x690 sch_direct_xmit+0x25b/0x1100 __dev_xmit_skb+0xecc/0x1be0 __dev_queue_xmit+0x952/0x1b90 ip_finish_output2+0x7c4/0x1c60 ip_output+0x1ca/0x660 unreferenced object 0xff1100001eb80c40 (size 184): comm "softirq", pid 0, jiffies 4296663150 hex dump (first 32 bytes): 00 40 d4 08 00 00 11 ff 40 68 93 af ff ff ff ff .@......@h...... 21 48 29 ae ff ff ff ff 00 00 00 00 00 00 00 00 !H)............. backtrace (crc 91a82890): kmem_cache_alloc_noprof+0x445/0x5f0 dst_alloc+0x79/0x160 rt_dst_alloc+0x38/0x3a0 __mkroute_output+0x45b/0x1080 ip_route_output_key_hash+0x120/0x240 ip_route_output_flow+0x21/0x150 l2tp_xmit_ipv4+0x7e6/0xcd0 [l2tp_core] l2tp_xmit_core.constprop.0+0x993/0x19a0 [l2tp_core] l2tp_xmit_skb+0x77/0x1d0 [l2tp_core] l2tp_eth_dev_xmit+0x72/0x1d0 [l2tp_eth] dev_hard_start_xmit+0xf8/0x690 sch_direct_xmit+0x25b/0x1100 __dev_xmit_skb+0xecc/0x1be0 __dev_queue_xmit+0x952/0x1b90 ip_finish_output2+0x684/0x1c60 ip_output+0x1ca/0x660 xx__->