kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 18870 Comm: syz-executor4 Not tainted 5.0.0-rc2+ #13 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__xfrm_policy_eval_candidates net/xfrm/xfrm_policy.c:2019 [inline] RIP: 0010:xfrm_policy_eval_candidates net/xfrm/xfrm_policy.c:2053 [inline] RIP: 0010:xfrm_policy_lookup_bytype+0x8fc/0xdb0 net/xfrm/xfrm_policy.c:2113 Code: 89 f7 48 89 85 08 fe ff ff 48 c1 e8 03 4c 01 e0 48 89 85 18 fe ff ff e8 72 b0 c1 fa 4c 8d b3 b4 00 00 00 4c 89 f0 48 c1 e8 03 <42> 0f b6 14 20 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 RSP: 0018:ffff8880ae707000 EFLAGS: 00010a03 RAX: 118e24e240000015 RBX: 8c712711fffffff8 RCX: ffffffff86c05137 RDX: 0000000000000100 RSI: ffffffff86c04e7e RDI: 0000000000000007 RBP: ffff8880ae707208 R08: ffff88806843e680 R09: 0000000000000000 R10: ffff88806843e680 R11: 0000000000000000 R12: dffffc0000000000 R13: 00000000fffffffd R14: 8c712712000000ac R15: 00000000ffffffff FS: 00007fb61402e700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004cde30 CR3: 000000006b93f000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: xfrm_policy_lookup+0x7e/0x90 net/xfrm/xfrm_policy.c:2145 __xfrm_policy_check+0x1426/0x2b00 net/xfrm/xfrm_policy.c:3354 kobject: 'loop1' (000000009622f473): kobject_uevent_env __xfrm_policy_check2 include/net/xfrm.h:1170 [inline] xfrm_policy_check include/net/xfrm.h:1175 [inline] xfrm6_policy_check include/net/xfrm.h:1185 [inline] ip6_protocol_deliver_rcu+0x91b/0x1940 net/ipv6/ip6_input.c:391 ip6_input_finish+0x84/0x170 net/ipv6/ip6_input.c:434 NF_HOOK include/linux/netfilter.h:289 [inline] NF_HOOK include/linux/netfilter.h:283 [inline] ip6_input+0xf9/0x600 net/ipv6/ip6_input.c:443 kobject: 'loop1' (000000009622f473): fill_kobj_path: path = '/devices/virtual/block/loop1' ip6_mc_input+0x4f9/0x10d0 net/ipv6/ip6_input.c:537 kobject: 'loop3' (00000000f68814bf): kobject_uevent_env dst_input include/net/dst.h:450 [inline] ip6_rcv_finish+0x177/0x330 net/ipv6/ip6_input.c:76 NF_HOOK include/linux/netfilter.h:289 [inline] NF_HOOK include/linux/netfilter.h:283 [inline] ipv6_rcv+0x113/0x650 net/ipv6/ip6_input.c:272 __netif_receive_skb_one_core+0x160/0x210 net/core/dev.c:4973 kobject: 'loop3' (00000000f68814bf): fill_kobj_path: path = '/devices/virtual/block/loop3' __netif_receive_skb+0x2c/0x1c0 net/core/dev.c:5083 process_backlog+0x206/0x750 net/core/dev.c:5923 napi_poll net/core/dev.c:6346 [inline] net_rx_action+0x76d/0x1930 net/core/dev.c:6412 kobject: 'loop2' (0000000090d811e4): kobject_uevent_env kobject: 'loop2' (0000000090d811e4): fill_kobj_path: path = '/devices/virtual/block/loop2' __do_softirq+0x30b/0xb11 kernel/softirq.c:292 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1027 do_softirq.part.0+0x11a/0x170 kernel/softirq.c:337 protocol 88fb is buggy, dev hsr_slave_0 do_softirq+0x18/0x20 kernel/softirq.c:325 protocol 88fb is buggy, dev hsr_slave_1 netif_rx_ni+0x4fd/0x860 net/core/dev.c:4569 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 dev_loopback_xmit+0x29b/0x8c0 net/core/dev.c:3576 NF_HOOK include/linux/netfilter.h:289 [inline] NF_HOOK include/linux/netfilter.h:283 [inline] ip6_finish_output2+0x1a03/0x28e0 net/ipv6/ip6_output.c:84 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 ip6_finish_output+0x577/0xc30 net/ipv6/ip6_output.c:154 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip6_output+0x23c/0xa00 net/ipv6/ip6_output.c:171 dst_output include/net/dst.h:444 [inline] ip6_local_out+0xc4/0x1b0 net/ipv6/output_core.c:176 ip6_send_skb+0xbb/0x350 net/ipv6/ip6_output.c:1727 ip6_push_pending_frames+0xc8/0xf0 net/ipv6/ip6_output.c:1747 l2tp_ip6_push_pending_frames net/l2tp/l2tp_ip6.c:482 [inline] l2tp_ip6_sendmsg+0x1b3a/0x21f0 net/l2tp/l2tp_ip6.c:643 inet_sendmsg+0x1af/0x740 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:631 ___sys_sendmsg+0x7ec/0x910 net/socket.c:2116 kobject: 'loop1' (000000009622f473): kobject_uevent_env __sys_sendmsg+0x112/0x270 net/socket.c:2154 __do_sys_sendmsg net/socket.c:2163 [inline] __se_sys_sendmsg net/socket.c:2161 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2161 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 kobject: 'loop1' (000000009622f473): fill_kobj_path: path = '/devices/virtual/block/loop1' entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458099 Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 kobject: 'loop3' (00000000f68814bf): kobject_uevent_env RSP: 002b:00007fb61402dc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458099 RDX: 0000000000000000 RSI: 00000000200014c0 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb61402e6d4 R13: 00000000004c5590 R14: 00000000004d91c0 R15: 00000000ffffffff Modules linked in: ---[ end trace d44b39d3fb438e57 ]--- kobject: 'loop3' (00000000f68814bf): fill_kobj_path: path = '/devices/virtual/block/loop3' RIP: 0010:__xfrm_policy_eval_candidates net/xfrm/xfrm_policy.c:2019 [inline] RIP: 0010:xfrm_policy_eval_candidates net/xfrm/xfrm_policy.c:2053 [inline] RIP: 0010:xfrm_policy_lookup_bytype+0x8fc/0xdb0 net/xfrm/xfrm_policy.c:2113 Code: 89 f7 48 89 85 08 fe ff ff 48 c1 e8 03 4c 01 e0 48 89 85 18 fe ff ff e8 72 b0 c1 fa 4c 8d b3 b4 00 00 00 4c 89 f0 48 c1 e8 03 <42> 0f b6 14 20 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 RSP: 0018:ffff8880ae707000 EFLAGS: 00010a03 RAX: 118e24e240000015 RBX: 8c712711fffffff8 RCX: ffffffff86c05137 RDX: 0000000000000100 RSI: ffffffff86c04e7e RDI: 0000000000000007 RBP: ffff8880ae707208 R08: ffff88806843e680 R09: 0000000000000000 R10: ffff88806843e680 R11: 0000000000000000 R12: dffffc0000000000 R13: 00000000fffffffd R14: 8c712712000000ac R15: 00000000ffffffff protocol 88fb is buggy, dev hsr_slave_0 FS: 00007fb61402e700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 protocol 88fb is buggy, dev hsr_slave_1 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 protocol 88fb is buggy, dev hsr_slave_0 CR2: 00000000004cde30 CR3: 000000006b93f000 CR4: 00000000001406e0 protocol 88fb is buggy, dev hsr_slave_1 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400