------------[ cut here ]------------ kernel BUG at net/key/af_key.c:2068! invalid opcode: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 26135 Comm: syz-executor4 Not tainted 4.14.0-rc4+ #80 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801cbcea080 task.stack: ffff8801d42f0000 RIP: 0010:pfkey_xfrm_policy2msg+0x209c/0x22b0 net/key/af_key.c:2068 RSP: 0018:ffff8801d42f74b0 EFLAGS: 00010212 RAX: 0000000000010000 RBX: ffff8801dad90fcc RCX: ffffc90003df9000 RDX: 0000000000000559 RSI: ffffffff8444c4fc RDI: ffff8801dad90e6c RBP: ffff8801d42f7588 R08: 0000000000000001 R09: ffff8801cb73c940 R10: 000000000000001b R11: ffffed00396e7942 R12: ffff8801dad90e88 R13: ffff8801dad90d80 R14: 0000000000000008 R15: 0000000000000001 FS: 00007f31da9e4700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001ddbc21000 CR3: 00000001ce4d1000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: dump_sp+0x14f/0x510 net/key/af_key.c:2669 xfrm_policy_walk+0x2f1/0xa30 net/xfrm/xfrm_policy.c:1015 pfkey_dump_sp+0x42/0x50 net/key/af_key.c:2692 pfkey_do_dump+0xaa/0x3f0 net/key/af_key.c:299 pfkey_spddump+0x1a0/0x210 net/key/af_key.c:2719 pfkey_process+0x60b/0x720 net/key/af_key.c:2809 pfkey_sendmsg+0x4d6/0x9f0 net/key/af_key.c:3648 sock_sendmsg_nosec net/socket.c:633 [inline] sock_sendmsg+0xca/0x110 net/socket.c:643 sock_write_iter+0x320/0x5e0 net/socket.c:912 call_write_iter include/linux/fs.h:1770 [inline] new_sync_write fs/read_write.c:468 [inline] __vfs_write+0x68a/0x970 fs/read_write.c:481 vfs_write+0x18f/0x510 fs/read_write.c:543 SYSC_write fs/read_write.c:588 [inline] SyS_write+0xef/0x220 fs/read_write.c:580 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x4520a9 RSP: 002b:00007f31da9e3c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 00000000004520a9 RDX: 0000000000000010 RSI: 0000000020000ff0 RDI: 0000000000000018 RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000216 R12: 00000000004bbae3 R13: 00000000ffffffff R14: 000000000000009f R15: 0000000020000f61 Code: ff ff 48 89 95 58 ff ff ff 89 8d 70 ff ff ff e8 fb 70 5e fd 48 8b 95 58 ff ff ff 8b 8d 70 ff ff ff e9 04 e3 ff ff e8 74 4c 29 fd <0f> 0b be 02 00 00 00 4c 89 f7 e8 15 72 5e fd e9 6f e3 ff ff 48 RIP: pfkey_xfrm_policy2msg+0x209c/0x22b0 net/key/af_key.c:2068 RSP: ffff8801d42f74b0 ---[ end trace 26fa6b78a485c575 ]---