0 pages HighMem/MovableOnly 320236 pages reserved 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 Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 8870 Comm: syz-executor1 Not tainted 4.9.56-g5c73594 #66 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801d1c91800 task.stack: ffff8801d9518000 RIP: 0010:[] [] ip6_setup_cork+0x20c/0x1200 net/ipv6/ip6_output.c:1230 RSP: 0018:ffff8801d951f6d8 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: ffff8801d951f8b8 RCX: ffffc90003988000 RDX: 0000000000000002 RSI: 00000000024080c0 RDI: 0000000000000014 RBP: ffff8801d951f740 R08: ffff8801ab5bae00 R09: ffff8801d951fb70 R10: 0000000000000000 R11: 1ffff1003b2a3efa R12: ffff8801d951fad0 R13: ffff8801d951fb70 R14: 0000000000000000 R15: 0000000000000010 FS: 00007fbb3c5ed700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004c4e70 CR3: 00000001d0188000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffff8801d951f860 ffffffff833bff90 ffff8801a62be3c8 ffff8801a62be6c0 ffff8801a62be180 ffff8801d951fa90 ffff8801ab5bae00 ffff8801d951f7f8 ffff8801d951f958 ffff8801d951fa90 ffff8801d951f838 ffff8801a62be180 Call Trace: [] ip6_make_skb+0x1b8/0x440 net/ipv6/ip6_output.c:1802 [] udpv6_sendmsg+0x1b1d/0x2540 net/ipv6/udp.c:1240 nla_parse: 17 callbacks suppressed netlink: 5 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 44 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 44 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 44 bytes leftover after parsing attributes in process `syz-executor7'. [] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:753 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] SYSC_sendto+0x2c8/0x340 net/socket.c:1670 [] SyS_sendto+0x40/0x50 net/socket.c:1638 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Code: e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 5d 0d 00 00 49 8d 7f 04 45 8b 74 24 04 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 RIP [] ip6_setup_cork+0x20c/0x1200 net/ipv6/ip6_output.c:1230 RSP ---[ end trace 4a0cf541b6a9f6b6 ]--- IPVS: Creating netns size=2536 id=20 pktgen: kernel_thread() failed for cpu 0 pktgen: Cannot create thread for cpu 0 (-4) pktgen: kernel_thread() failed for cpu 1 pktgen: Cannot create thread for cpu 1 (-4) pktgen: Initialization failed for all threads kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#2] PREEMPT SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 8973 Comm: syz-executor1 Tainted: G D 4.9.56-g5c73594 #66 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801d04fc800 task.stack: ffff8801cee80000 RIP: 0010:[] [] ip6_setup_cork+0x20c/0x1200 net/ipv6/ip6_output.c:1230 RSP: 0018:ffff8801cee876d8 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: ffff8801cee878b8 RCX: ffffc90003a09000 RDX: 0000000000000002 RSI: 00000000024080c0 RDI: 0000000000000014 RBP: ffff8801cee87740 R08: ffff8801d07a08c0 R09: ffff8801cee87b70 R10: 0000000000000000 R11: 1ffff10039dd0efa R12: ffff8801cee87ad0 R13: ffff8801cee87b70 R14: 0000000000000000 R15: 0000000000000010 FS: 00007fbb3c5cc700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020e0afe4 CR3: 00000001d0188000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffff8801cee87860 ffffffff833bff90 ffff8801cd7e22c8 ffff8801cd7e25c0 ffff8801cd7e2080 ffff8801cee87a90 ffff8801d07a08c0 ffff8801cee877f8 ffff8801cee87958 ffff8801cee87a90 ffff8801cee87838 ffff8801cd7e2080 Call Trace: [] ip6_make_skb+0x1b8/0x440 net/ipv6/ip6_output.c:1802 [] udpv6_sendmsg+0x1b1d/0x2540 net/ipv6/udp.c:1240 [] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:753 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] SYSC_sendto+0x2c8/0x340 net/socket.c:1670 [] SyS_sendto+0x40/0x50 net/socket.c:1638 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Code: e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 5d 0d 00 00 49 8d 7f 04 45 8b 74 24 04 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 RIP [] ip6_setup_cork+0x20c/0x1200 net/ipv6/ip6_output.c:1230 RSP ---[ end trace 4a0cf541b6a9f6b7 ]---