[ 35.538195] default_idle_call+0x36/0x90 [ 35.542218] do_idle+0x24e/0x3b0 [ 35.545548] cpu_startup_entry+0x18/0x20 [ 35.549572] rest_init+0xed/0xf0 [ 35.552902] start_kernel+0x72e/0x754 [ 35.556667] ? mem_encrypt_init+0xb/0xb [ 35.560608] ? memcpy_orig+0x54/0x110 [ 35.564372] x86_64_start_reservations+0x2a/0x2c [ 35.569087] x86_64_start_kernel+0x77/0x7a [ 35.573284] secondary_startup_64+0xa5/0xa5 Warning: Permanently added 'ci-upstream-net-kasan-gce-0,10.128.15.200' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.102332] multiple allocations for the same socket [ 42.102429] ------------[ cut here ]------------ [ 42.112320] WARNING: CPU: 1 PID: 3453 at net/core/sock_reuseport.c:41 reuseport_alloc+0x306/0x3b0 [ 42.121317] Kernel panic - not syncing: panic_on_warn set ... [ 42.121317] [ 42.128647] CPU: 1 PID: 3453 Comm: syzkaller728608 Not tainted 4.14.0-rc4+ #83 [ 42.135974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.145298] Call Trace: [ 42.147864] dump_stack+0x194/0x257 [ 42.151458] ? arch_local_irq_restore+0x53/0x53 [ 42.156102] panic+0x1e4/0x417 [ 42.159262] ? __warn+0x1d9/0x1d9 [ 42.162677] ? show_regs_print_info+0x65/0x65 [ 42.167141] ? retint_kernel+0x10/0x10 [ 42.171004] ? reuseport_alloc+0x306/0x3b0 [ 42.175201] __warn+0x1c4/0x1d9 [ 42.178448] ? reuseport_alloc+0x306/0x3b0 [ 42.182650] report_bug+0x211/0x2d0 [ 42.186245] fixup_bug+0x40/0x90 [ 42.189578] do_trap+0x260/0x390 [ 42.192914] do_error_trap+0x120/0x390 [ 42.196766] ? do_trap+0x390/0x390 [ 42.200274] ? reuseport_alloc+0x306/0x3b0 [ 42.204474] ? vprintk_emit+0x3ea/0x590 [ 42.208417] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.213228] do_invalid_op+0x1b/0x20 [ 42.216915] invalid_op+0x18/0x20 [ 42.220337] RIP: 0010:reuseport_alloc+0x306/0x3b0 [ 42.225145] RSP: 0018:ffff8801cc867a40 EFLAGS: 00010282 [ 42.230475] RAX: 0000000000000028 RBX: ffff8801c0914140 RCX: 0000000000000000 [ 42.237712] RDX: 0000000000000028 RSI: 1ffff1003990cf08 RDI: ffffed003990cf3c [ 42.244953] RBP: ffff8801cc867b10 R08: 0000000000000001 R09: 1ffff1003990ced2 [ 42.252189] R10: 0000000000000000 R11: fffffbfff0e01464 R12: 1ffff1003990cf49 [ 42.259422] R13: ffff8801c0914140 R14: ffff8801cc867ae8 R15: ffff8801c09145b8 [ 42.266685] ? reuseport_select_sock+0xb60/0xb60 [ 42.271415] ? xdp_do_redirect+0x1310/0x1310 [ 42.275792] __reuseport_attach_prog+0x208/0x280 [ 42.280512] ? bpf_prog_destroy+0x20/0x20 [ 42.284625] ? bpf_prog_store_orig_filter.isra.45+0x147/0x1f0 [ 42.290475] ? _copy_from_user+0x99/0x110 [ 42.294590] ? __get_filter+0xb7/0x220 [ 42.298445] sk_reuseport_attach_filter+0x38/0x80 [ 42.303253] sock_setsockopt+0x165f/0x1ae0 [ 42.307455] ? sock_enable_timestamp+0xb0/0xb0 [ 42.312006] ? handle_mm_fault+0x410/0x8d0 [ 42.316209] ? down_read_trylock+0xdb/0x170 [ 42.320497] ? __do_page_fault+0x31e/0xd60 [ 42.324702] ? call_rwsem_wake+0x1b/0x30 [ 42.328731] ? sock_has_perm+0x29c/0x400 [ 42.332758] ? __fget_light+0x29d/0x390 [ 42.336703] ? selinux_tun_dev_create+0xc0/0xc0 [ 42.341342] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 42.347018] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 42.352267] ? selinux_socket_setsockopt+0x64/0x80 [ 42.357163] ? security_socket_setsockopt+0x89/0xb0 [ 42.362149] SyS_setsockopt+0x2ff/0x360 [ 42.366092] ? SyS_recv+0x40/0x40 [ 42.369514] ? prepare_exit_to_usermode+0x1a0/0x2d0 [ 42.374495] ? perf_trace_sys_enter+0xc20/0xc20 [ 42.379133] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 42.383878] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 42.388598] RIP: 0033:0x445fc9 [ 42.391759] RSP: 002b:00007fa2345dddc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000036 [ 42.399434] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000445fc9 [ 42.406668] RDX: 0000000000000033 RSI: 0000000000000001 RDI: 000000000000000b [ 42.413907] RBP: 0000000000000000 R08: 0000000000000010 R09: 00007fa2345de700 [ 42.421144] R10: 0000000020e9bff0 R11: 0000000000000202 R12: 0000000000000000 [ 42.428380] R13: 00007fffc4cec5ef R14: 00007fa2345de9c0 R15: 0000000000000000 [ 42.436000] Dumping ftrace buffer: [ 42.439505] (ftrace buffer empty) [ 42.443182] Kernel Offset: disabled [ 42.446774] Rebooting in 86400 seconds..