echo $? 0 xx__-> echo scan > /sys/kernel/debug/kmemleak xx__-> ..... backtrace (crc 8c9a1c13): __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 0xff11000009c44f40 (size 64): comm "ip", pid 10515, jiffies 4296640007 hex dump (first 32 bytes): 10 00 00 00 68 02 00 00 00 00 00 00 ff ff ff ff ....h........... 48 4f c4 09 00 00 11 ff 50 33 3e b6 ff ff ff ff HO......P3>..... backtrace (crc 51655eb): __kmalloc_node_noprof+0x545/0x7b0 crypto_create_tfm_node+0x99/0x370 crypto_spawn_tfm2+0x4e/0x80 aead_init_geniv+0xab/0x190 crypto_create_tfm_node+0x177/0x370 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 unreferenced object 0xff11000009c44940 (size 64): comm "ip", pid 10515, jiffies 4296640007 hex dump (first 32 bytes): 10 00 00 00 40 01 00 00 00 00 00 00 ff ff ff ff ....@........... 48 49 c4 09 00 00 11 ff 50 33 3e b6 ff ff ff ff HI......P3>..... backtrace (crc 81973eb): __kmalloc_node_noprof+0x545/0x7b0 crypto_create_tfm_node+0x99/0x370 crypto_spawn_tfm2+0x4e/0x80 crypto_rfc4106_init_tfm+0x40/0x1b0 crypto_create_tfm_node+0x177/0x370 crypto_spawn_tfm2+0x4e/0x80 aead_init_geniv+0xab/0x190 crypto_create_tfm_node+0x177/0x370 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 unreferenced object 0xff11000009034a40 (size 64): comm "ip", pid 10515, jiffies 4296640007 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 ff ff ff ff ................ 48 4a 03 09 00 00 11 ff 20 84 3e b6 ff ff ff ff HJ...... .>..... backtrace (crc 4c392727): __kmalloc_node_noprof+0x545/0x7b0 crypto_create_tfm_node+0x99/0x370 crypto_spawn_tfm2+0x4e/0x80 crypto_gcm_init_tfm+0x41/0x180 crypto_create_tfm_node+0x177/0x370 crypto_spawn_tfm2+0x4e/0x80 crypto_rfc4106_init_tfm+0x40/0x1b0 crypto_create_tfm_node+0x177/0x370 crypto_spawn_tfm2+0x4e/0x80 aead_init_geniv+0xab/0x190 crypto_create_tfm_node+0x177/0x370 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] unreferenced object 0xff110000189fcc00 (size 1024): comm "ip", pid 10515, jiffies 4296640007 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 40 39 4c b9 ff ff ff ff ........@9L..... backtrace (crc ac477528): __kmalloc_noprof+0x502/0x760 __crypto_alloc_tfm+0xb1/0x470 crypto_spawn_tfm+0x5e/0xa0 crypto_skcipher_init_tfm+0x1b5/0x490 crypto_create_tfm_node+0x177/0x370 crypto_spawn_tfm2+0x4e/0x80 crypto_gcm_init_tfm+0x41/0x180 crypto_create_tfm_node+0x177/0x370 crypto_spawn_tfm2+0x4e/0x80 crypto_rfc4106_init_tfm+0x40/0x1b0 crypto_create_tfm_node+0x177/0x370 crypto_spawn_tfm2+0x4e/0x80 aead_init_geniv+0xab/0x190 crypto_create_tfm_node+0x177/0x370 crypto_alloc_tfm_node+0xd7/0x1e0 esp_init_aead.constprop.0+0x118/0x360 unreferenced object 0xff1100000b9c30c0 (size 184): comm "ping", pid 10544, jiffies 4296640428 hex dump (first 32 bytes): 00 90 e1 08 00 00 11 ff c0 60 93 b9 ff ff ff ff .........`...... 21 47 29 b8 ff ff ff ff 00 00 00 00 00 00 00 00 !G)............. backtrace (crc 78b647d7): 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+0x934/0x1b70 ip_finish_output2+0x7c4/0x1c60 ip_output+0x1ca/0x660 unreferenced object 0xff1100001262a040 (size 304): comm "ping", pid 10544, jiffies 4296640428 hex dump (first 32 bytes): 00 90 e1 08 00 00 11 ff 40 97 25 18 00 00 11 ff ........@.%..... 20 3a 78 15 00 00 11 ff 00 00 00 00 00 00 00 00 :x............. backtrace (crc d562bd5b): 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+0x934/0x1b70 ip_finish_output2+0x7c4/0x1c60 unreferenced object 0xff11000015783a20 (size 96): comm "ping", pid 10544, jiffies 4296640428 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+0x934/0x1b70 ip_finish_output2+0x7c4/0x1c60 unreferenced object 0xff1100000b9c2640 (size 184): comm "ping", pid 10568, jiffies 4296640994 hex dump (first 32 bytes): 00 90 e1 08 00 00 11 ff c0 60 93 b9 ff ff ff ff .........`...... 21 47 29 b8 ff ff ff ff 00 00 00 00 00 00 00 00 !G)............. backtrace (crc 4943db5c): 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+0x934/0x1b70 ip_finish_output2+0x7c4/0x1c60 ip_output+0x1ca/0x660 unreferenced object 0xff1100000b9c24c0 (size 184): comm "softirq", pid 0, jiffies 4296640994 hex dump (first 32 bytes): 00 90 e1 08 00 00 11 ff c0 60 93 b9 ff ff ff ff .........`...... 21 47 29 b8 ff ff ff ff 00 00 00 00 00 00 00 00 !G)............. backtrace (crc 2fbf1a08): 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+0x934/0x1b70 ip_finish_output2+0x684/0x1c60 ip_output+0x1ca/0x660 xx__->