------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:104! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 12186 Comm: syz-executor.5 Not tainted 4.19.169-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:skb_panic+0x172/0x174 net/core/skbuff.c:104 Code: 4c 24 10 8b 8b 80 00 00 00 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 60 d3 4b 89 ff 74 24 10 ff 74 24 20 e8 3d 22 e2 ff <0f> 0b e8 68 ec 53 f9 4c 8b 64 24 18 e8 ae 88 89 f9 48 c7 c1 c0 dc RSP: 0018:ffff8880456b6fa8 EFLAGS: 00010286 RAX: 0000000000000086 RBX: ffff888097b56640 RCX: 0000000000000000 RDX: 000000000003e1d7 RSI: ffffffff814de1b1 RDI: ffffed1008ad6de7 RBP: ffffffff894bdd00 R08: 0000000000000086 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff872085dd R13: 0000000000000048 R14: ffffffff894bd320 R15: 00000000000000c0 FS: 00007fbb216e5700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31726000 CR3: 00000000a0eb6000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: skb_over_panic net/core/skbuff.c:109 [inline] skb_put.cold+0x24/0x24 net/core/skbuff.c:1702 skb_put_zero include/linux/skbuff.h:2113 [inline] dump_ah_combs net/key/af_key.c:2968 [inline] pfkey_send_acquire+0x1cfd/0x2520 net/key/af_key.c:3231 km_query+0xc5/0x210 net/xfrm/xfrm_state.c:2024 xfrm_state_find+0x1c6c/0x2cb0 net/xfrm/xfrm_state.c:1043 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:1410 [inline] xfrm_tmpl_resolve+0x2f3/0xc20 net/xfrm/xfrm_policy.c:1455 xfrm_resolve_and_create_bundle+0xd8/0x3e0 net/xfrm/xfrm_policy.c:1753 xfrm_lookup_with_ifid+0x243/0x1cb0 net/xfrm/xfrm_policy.c:2076 xfrm_lookup net/xfrm/xfrm_policy.c:2200 [inline] xfrm_lookup_route+0x36/0x1e0 net/xfrm/xfrm_policy.c:2211 ip_route_output_flow+0x114/0x150 net/ipv4/route.c:2639 udp_sendmsg+0x19ce/0x2550 net/ipv4/udp.c:1101 inet_sendmsg+0x132/0x5a0 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:632 ___sys_sendmsg+0x3b3/0x8e0 net/socket.c:2115 __sys_sendmmsg+0x195/0x470 net/socket.c:2210 __do_sys_sendmmsg net/socket.c:2239 [inline] __se_sys_sendmmsg net/socket.c:2236 [inline] __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2236 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45e219 Code: 0d b4 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fbb216e4c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045e219 RDX: 000000000800001d RSI: 0000000020007fc0 RDI: 0000000000000003 RBP: 000000000119c070 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119c034 R13: 00007ffd1660b1ef R14: 00007fbb216e59c0 R15: 000000000119c034 Modules linked in: ---[ end trace db1c0cc2a08487b1 ]--- RIP: 0010:skb_panic+0x172/0x174 net/core/skbuff.c:104 Code: 4c 24 10 8b 8b 80 00 00 00 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 60 d3 4b 89 ff 74 24 10 ff 74 24 20 e8 3d 22 e2 ff <0f> 0b e8 68 ec 53 f9 4c 8b 64 24 18 e8 ae 88 89 f9 48 c7 c1 c0 dc RSP: 0018:ffff8880456b6fa8 EFLAGS: 00010286 RAX: 0000000000000086 RBX: ffff888097b56640 RCX: 0000000000000000 RDX: 000000000003e1d7 RSI: ffffffff814de1b1 RDI: ffffed1008ad6de7 RBP: ffffffff894bdd00 R08: 0000000000000086 R09: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff872085dd CPU: 0 PID: 12231 Comm: syz-executor.3 Tainted: G D 4.19.169-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 R13: 0000000000000048 R14: ffffffff894bd320 R15: 00000000000000c0 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 __should_failslab+0x115/0x180 mm/failslab.c:32 should_failslab+0x5/0x10 mm/slab_common.c:1588 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node_trace+0x244/0x3b0 mm/slab.c:3666 __do_kmalloc_node mm/slab.c:3688 [inline] __kmalloc_node_track_caller+0x38/0x70 mm/slab.c:3703 __kmalloc_reserve net/core/skbuff.c:137 [inline] __alloc_skb+0xae/0x560 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:995 [inline] nlmsg_new include/net/netlink.h:511 [inline] ip_vs_genl_get_cmd+0x19a/0x8a0 net/netfilter/ipvs/ip_vs_ctl.c:3688 genl_family_rcv_msg+0x642/0xc40 net/netlink/genetlink.c:602 FS: 00007fbb216e5700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 genl_rcv_msg+0xbf/0x160 net/netlink/genetlink.c:627 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 genl_rcv+0x24/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6bb/0xc40 net/netlink/af_netlink.c:1909 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:632 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2115 __sys_sendmsg net/socket.c:2153 [inline] __do_sys_sendmsg net/socket.c:2162 [inline] __se_sys_sendmsg net/socket.c:2160 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2160 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45e219 Code: 0d b4 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f2eb6027c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000045e219 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000006 RBP: 00007f2eb6027ca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffc76d2f89f R14: 00007f2eb60289c0 R15: 000000000119c034 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f52851ecd30 CR3: 00000000a0eb6000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400