[ 8.668352] net_ratelimit: 1 callbacks suppressed [ 8.668360] TCP: request_sock_TCP: Possible SYN flooding on port 10.0.254.1:7010. Sending cookies. [ 9.671406] ------------[ cut here ]------------ [ 9.671532] kernel BUG at net/core/skbuff.c:2813! [ 9.671583] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI [ 9.671628] CPU: 2 PID: 916 Comm: rst_ipv4 Not tainted 6.8.0-rc6-virtme #1 [ 9.671681] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9.671766] RIP: 0010:__pskb_pull_tail+0x475/0x4f0 [ 9.671816] Code: 44 24 10 e8 5d 2c 83 ff 49 8b be b8 00 00 00 44 8b 44 24 10 41 8b 8e b4 00 00 00 e9 f4 fc ff ff 4c 8d 48 ff e9 41 fd ff ff 90 <0f> 0b 48 c7 44 24 10 00 00 00 00 e9 99 fe ff ff 41 f6 44 24 76 20 [ 9.671956] RSP: 0018:ffffbb5cc0114e00 EFLAGS: 00010282 [ 9.671998] RAX: 00000000fffffff2 RBX: 0000000000000014 RCX: 0000000000000014 [ 9.672053] RDX: ffff97d08264d488 RSI: ffff97d08264d440 RDI: 0000000000000000 [ 9.672117] RBP: ffffbb5cc0114e40 R08: 00000000ffffffdc R09: 0000000000000008 [ 9.672172] R10: ffff97d08395e0c0 R11: 0000000000000024 R12: ffff97d08395e000 [ 9.672230] R13: 0000000000000014 R14: ffff97d082659700 R15: 0000000000000002 [ 9.672289] FS: 00007f2c013bf640(0000) GS:ffff97d0bed00000(0000) knlGS:0000000000000000 [ 9.672346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9.672398] CR2: 00007f2bfc01c068 CR3: 00000000025d4006 CR4: 0000000000770ef0 [ 9.672457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9.672520] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9.672578] PKRU: 55555554 [ 9.672597] Call Trace: [ 9.672621] [ 9.672648] ? die+0x37/0x90 [ 9.672684] ? do_trap+0xe4/0x110 [ 9.672716] ? __pskb_pull_tail+0x475/0x4f0 [ 9.672746] ? do_error_trap+0x65/0x80 [ 9.672780] ? __pskb_pull_tail+0x475/0x4f0 [ 9.672810] ? exc_invalid_op+0x53/0x70 [ 9.672841] ? __pskb_pull_tail+0x475/0x4f0 [ 9.672872] ? asm_exc_invalid_op+0x1a/0x20 [ 9.672906] ? __pskb_pull_tail+0x475/0x4f0 [ 9.672939] tcp_v4_early_demux+0x152/0x190 [ 9.672974] ip_rcv_finish_core.constprop.0+0x3fe/0x460 [ 9.673021] ip_rcv+0x7a/0xe0 [ 9.673052] __netif_receive_skb_one_core+0x8b/0xa0 [ 9.673095] process_backlog+0xa4/0x150 [ 9.673127] __napi_poll+0x29/0x1c0 [ 9.673162] net_rx_action+0x298/0x300 [ 9.673197] __do_softirq+0xc2/0x294 [ 9.673234] do_softirq+0x43/0x60 [ 9.673272] [ 9.673291] [ 9.673310] __local_bh_enable_ip+0x60/0x70 [ 9.673344] __dev_queue_xmit+0x325/0xc00 [ 9.673379] ? tcp_ao_hash_skb+0x2a5/0x3c0 [ 9.673412] ip_finish_output2+0x26c/0x4f0 [ 9.673447] ? __ip_finish_output+0x26/0x140 [ 9.673491] __ip_queue_xmit+0x17d/0x420 [ 9.673519] __tcp_transmit_skb+0x9a3/0xcf0 [ 9.673554] tcp_write_xmit+0x48e/0x1320 [ 9.673586] __tcp_push_pending_frames+0x36/0xc0 [ 9.673626] tcp_sendmsg_locked+0xb24/0xd00 [ 9.673661] tcp_sendmsg+0x2c/0x50 [ 9.673691] __sys_sendto+0x1aa/0x1f0 [ 9.673727] ? __sys_getsockopt+0x76/0xc0 [ 9.673757] ? __sys_getsockopt+0xaf/0xc0 [ 9.673792] __x64_sys_sendto+0x24/0x30 [ 9.673826] do_syscall_64+0xb0/0x1b0 [ 9.673860] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 9.673906] RIP: 0033:0x7f2c0151274e [ 9.673937] Code: 4c 24 1c e8 b4 c4 f4 ff 44 8b 54 24 1c 8b 3c 24 45 31 c9 41 89 c4 48 8b 54 24 10 48 8b 74 24 08 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 32 44 89 e7 48 89 04 24 e8 fe c4 f4 ff 48 8b [ 9.674076] RSP: 002b:00007f2c013be480 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 9.674134] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f2c0151274e [ 9.674195] RDX: 0000000000000064 RSI: 00007f2c013be5a0 RDI: 0000000000000008 [ 9.674252] RBP: 00007f2c013be590 R08: 0000000000000000 R09: 0000000000000000 [ 9.674308] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 9.674362] R13: 0000000000000064 R14: 000000000000000a R15: 00007f2c013be4b0 [ 9.674418] [ 9.674435] Modules linked in: veth [ 9.674474] ---[ end trace 0000000000000000 ]--- [ 9.674515] RIP: 0010:__pskb_pull_tail+0x475/0x4f0 [ 9.674559] Code: 44 24 10 e8 5d 2c 83 ff 49 8b be b8 00 00 00 44 8b 44 24 10 41 8b 8e b4 00 00 00 e9 f4 fc ff ff 4c 8d 48 ff e9 41 fd ff ff 90 <0f> 0b 48 c7 44 24 10 00 00 00 00 e9 99 fe ff ff 41 f6 44 24 76 20 [ 9.674696] RSP: 0018:ffffbb5cc0114e00 EFLAGS: 00010282 [ 9.674739] RAX: 00000000fffffff2 RBX: 0000000000000014 RCX: 0000000000000014 [ 9.674795] RDX: ffff97d08264d488 RSI: ffff97d08264d440 RDI: 0000000000000000 [ 9.674849] RBP: ffffbb5cc0114e40 R08: 00000000ffffffdc R09: 0000000000000008 [ 9.674905] R10: ffff97d08395e0c0 R11: 0000000000000024 R12: ffff97d08395e000 [ 9.674966] R13: 0000000000000014 R14: ffff97d082659700 R15: 0000000000000002 [ 9.675024] FS: 00007f2c013bf640(0000) GS:ffff97d0bed00000(0000) knlGS:0000000000000000 [ 9.675084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9.675132] CR2: 00007f2bfc01c068 CR3: 00000000025d4006 CR4: 0000000000770ef0 [ 9.675199] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9.675258] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9.675313] PKRU: 55555554 [ 9.675332] Kernel panic - not syncing: Fatal exception in interrupt [ 9.675462] Kernel Offset: 0x6a00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 9.675543] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]--- WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr