openat$vcs(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vcs\x00', 0x1, 0x0) connect$unix(r3, &(0x7f0000000180)=@abs={0x1, 0x0, 0x4e24}, 0x6e) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$BLKTRACESTART(r3, 0x1274, 0x0) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r5 = accept4(r4, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x80, 0x0) sendto$inet6(r4, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r5, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 2974.914546] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:01 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:01 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x500]}, 0x18) 19:30:01 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5, 0x8000}, 0x8) 19:30:01 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x0) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) [ 2975.023334] FAULT_INJECTION: forcing a failure. [ 2975.023334] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 2975.035292] CPU: 1 PID: 10180 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2975.042224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2975.051589] Call Trace: [ 2975.054190] dump_stack+0x1b9/0x294 [ 2975.057833] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2975.063039] ? lock_downgrade+0x8e0/0x8e0 [ 2975.067207] should_fail.cold.4+0xa/0x1a [ 2975.071290] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2975.076398] ? rcu_report_qs_rnp+0x790/0x790 [ 2975.080800] ? graph_lock+0x170/0x170 [ 2975.084611] ? is_bpf_text_address+0xd7/0x170 [ 2975.089100] ? find_held_lock+0x36/0x1c0 [ 2975.093150] ? __lock_is_held+0xb5/0x140 [ 2975.097205] ? check_same_owner+0x320/0x320 [ 2975.101514] ? rcu_note_context_switch+0x710/0x710 [ 2975.106438] ? __might_sleep+0x95/0x190 [ 2975.110401] __alloc_pages_nodemask+0x34e/0xd70 [ 2975.115056] ? lock_downgrade+0x8e0/0x8e0 [ 2975.119190] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 2975.124193] ? graph_lock+0x170/0x170 [ 2975.127988] ? __lock_is_held+0xb5/0x140 [ 2975.132039] ? rcu_report_qs_rnp+0x790/0x790 [ 2975.136440] ? __lock_is_held+0xb5/0x140 [ 2975.140491] ? blk_set_runtime_active+0x140/0x2c0 [ 2975.145327] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 2975.150865] alloc_pages_current+0x10c/0x210 [ 2975.155261] __get_free_pages+0xf/0x40 [ 2975.159149] mmu_topup_memory_caches+0x1f8/0x3a0 [ 2975.163891] ? debug_check_no_locks_freed+0x310/0x310 [ 2975.169070] kvm_mmu_load+0x21/0x10e0 [ 2975.172862] ? kasan_check_write+0x14/0x20 [ 2975.177084] vcpu_enter_guest+0x3a83/0x6060 [ 2975.181394] ? print_usage_bug+0xc0/0xc0 [ 2975.185444] ? kvm_set_msr_common+0x2680/0x2680 [ 2975.190101] ? vmx_vcpu_load+0xada/0xfe0 [ 2975.194147] ? __lock_acquire+0x7f5/0x5140 [ 2975.198369] ? vmx_vcpu_reset+0x1030/0x1030 [ 2975.202676] ? graph_lock+0x170/0x170 [ 2975.206465] ? graph_lock+0x170/0x170 [ 2975.210248] ? __lock_acquire+0x7f5/0x5140 [ 2975.214473] ? debug_check_no_locks_freed+0x310/0x310 [ 2975.219650] ? __lock_is_held+0xb5/0x140 [ 2975.223699] ? lock_acquire+0x1dc/0x520 [ 2975.227661] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2975.232667] ? lock_release+0xa10/0xa10 [ 2975.236639] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2975.241901] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2975.246393] ? preempt_notifier_dec+0x20/0x20 [ 2975.250881] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2975.255736] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2975.260743] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2975.264801] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2975.270497] ? graph_lock+0x170/0x170 [ 2975.274295] ? find_held_lock+0x36/0x1c0 [ 2975.278357] ? lock_downgrade+0x8e0/0x8e0 [ 2975.282499] ? kasan_check_read+0x11/0x20 [ 2975.286631] ? rcu_is_watching+0x85/0x140 [ 2975.290763] ? rcu_report_qs_rnp+0x790/0x790 [ 2975.295175] ? __fget+0x40c/0x650 [ 2975.298615] ? find_held_lock+0x31/0x1c0 [ 2975.302663] ? expand_files.part.8+0x9a0/0x9a0 [ 2975.307240] ? kasan_check_write+0x14/0x20 [ 2975.311469] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2975.316386] ? wait_for_completion+0x870/0x870 [ 2975.320958] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2975.326135] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2975.331832] do_vfs_ioctl+0x1cf/0x16f0 [ 2975.335719] ? ioctl_preallocate+0x2e0/0x2e0 [ 2975.340112] ? fget_raw+0x20/0x20 [ 2975.343558] ? __sb_end_write+0xac/0xe0 [ 2975.347529] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2975.353052] ? fput+0x130/0x1a0 [ 2975.356315] ? ksys_write+0x1a6/0x250 [ 2975.360105] ? security_file_ioctl+0x94/0xc0 [ 2975.364501] ksys_ioctl+0xa9/0xd0 [ 2975.367945] __x64_sys_ioctl+0x73/0xb0 [ 2975.371823] do_syscall_64+0x1b1/0x800 [ 2975.375693] ? finish_task_switch+0x1ca/0x840 [ 2975.380176] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2975.385093] ? syscall_return_slowpath+0x30f/0x5c0 [ 2975.390017] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2975.395457] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2975.400290] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2975.405465] RIP: 0033:0x4559f9 [ 2975.408638] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2975.427870] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2975.435563] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2975.442999] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2975.450256] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2975.457516] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2975.464769] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 0000000000000045 19:30:02 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x3f00], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 2975.475979] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:02 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5, 0x8000}, 0x8) 19:30:02 executing program 5 (fault-call:7 fault-nth:70): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 19:30:02 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7200]}, 0x18) [ 2975.562896] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2975.642884] FAULT_INJECTION: forcing a failure. [ 2975.642884] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 2975.654809] CPU: 1 PID: 10208 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2975.661744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2975.671104] Call Trace: [ 2975.673706] dump_stack+0x1b9/0x294 [ 2975.677358] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2975.682556] ? lock_downgrade+0x8e0/0x8e0 [ 2975.686706] should_fail.cold.4+0xa/0x1a [ 2975.690764] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2975.695865] ? rcu_report_qs_rnp+0x790/0x790 [ 2975.700265] ? graph_lock+0x170/0x170 [ 2975.704055] ? is_bpf_text_address+0xd7/0x170 [ 2975.708538] ? find_held_lock+0x36/0x1c0 [ 2975.712585] ? __lock_is_held+0xb5/0x140 [ 2975.716642] ? check_same_owner+0x320/0x320 [ 2975.720960] ? rcu_note_context_switch+0x710/0x710 [ 2975.725887] ? __might_sleep+0x95/0x190 [ 2975.729866] __alloc_pages_nodemask+0x34e/0xd70 [ 2975.734524] ? lock_downgrade+0x8e0/0x8e0 [ 2975.738670] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 2975.743673] ? graph_lock+0x170/0x170 [ 2975.747467] ? __lock_is_held+0xb5/0x140 [ 2975.751517] ? rcu_report_qs_rnp+0x790/0x790 [ 2975.755930] ? __lock_is_held+0xb5/0x140 [ 2975.759982] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 2975.765509] alloc_pages_current+0x10c/0x210 [ 2975.769905] __get_free_pages+0xf/0x40 [ 2975.773776] mmu_topup_memory_caches+0x1f8/0x3a0 [ 2975.778518] ? debug_check_no_locks_freed+0x310/0x310 [ 2975.783711] kvm_mmu_load+0x21/0x10e0 [ 2975.787514] ? kasan_check_write+0x14/0x20 [ 2975.791739] vcpu_enter_guest+0x3a83/0x6060 [ 2975.796061] ? print_usage_bug+0xc0/0xc0 [ 2975.800115] ? kvm_set_msr_common+0x2680/0x2680 [ 2975.804771] ? vmx_vcpu_load+0xada/0xfe0 [ 2975.808821] ? __lock_acquire+0x7f5/0x5140 [ 2975.813042] ? vmx_vcpu_reset+0x1030/0x1030 [ 2975.817359] ? graph_lock+0x170/0x170 [ 2975.821147] ? graph_lock+0x170/0x170 [ 2975.824959] ? __lock_acquire+0x7f5/0x5140 [ 2975.829186] ? debug_check_no_locks_freed+0x310/0x310 [ 2975.834369] ? __lock_is_held+0xb5/0x140 [ 2975.838416] ? ieee80211_crypto_ccmp_decrypt+0xed0/0x12f0 [ 2975.843939] ? lock_acquire+0x1dc/0x520 [ 2975.847899] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2975.852903] ? lock_release+0xa10/0xa10 [ 2975.856864] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2975.862127] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2975.866604] ? preempt_notifier_dec+0x20/0x20 [ 2975.871090] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2975.875927] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2975.880944] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2975.884993] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2975.890696] ? graph_lock+0x170/0x170 [ 2975.894482] ? find_held_lock+0x36/0x1c0 [ 2975.898546] ? lock_downgrade+0x8e0/0x8e0 [ 2975.902686] ? kasan_check_read+0x11/0x20 [ 2975.906820] ? rcu_is_watching+0x85/0x140 [ 2975.910957] ? rcu_report_qs_rnp+0x790/0x790 [ 2975.915989] ? __fget+0x40c/0x650 [ 2975.919437] ? find_held_lock+0x31/0x1c0 [ 2975.923481] ? expand_files.part.8+0x9a0/0x9a0 [ 2975.928051] ? kasan_check_write+0x14/0x20 [ 2975.932271] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2975.937198] ? wait_for_completion+0x870/0x870 [ 2975.941765] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2975.946951] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2975.952662] do_vfs_ioctl+0x1cf/0x16f0 [ 2975.956549] ? ioctl_preallocate+0x2e0/0x2e0 [ 2975.960950] ? fget_raw+0x20/0x20 [ 2975.964389] ? __sb_end_write+0xac/0xe0 [ 2975.968351] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2975.973880] ? fput+0x130/0x1a0 [ 2975.977152] ? ksys_write+0x1a6/0x250 [ 2975.980939] ? security_file_ioctl+0x94/0xc0 [ 2975.985336] ksys_ioctl+0xa9/0xd0 [ 2975.988776] __x64_sys_ioctl+0x73/0xb0 [ 2975.992650] do_syscall_64+0x1b1/0x800 [ 2975.996520] ? finish_task_switch+0x1ca/0x840 [ 2976.001003] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2976.005922] ? syscall_return_slowpath+0x30f/0x5c0 [ 2976.010838] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2976.016188] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2976.021032] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2976.026207] RIP: 0033:0x4559f9 [ 2976.029389] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2976.048623] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2976.056318] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2976.063581] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2976.070833] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2976.078086] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2976.085542] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 0000000000000046 19:30:02 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:02 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5, 0x8000}, 0x8) 19:30:02 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x1100000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:02 executing program 5 (fault-call:7 fault-nth:71): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 19:30:02 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) pipe(&(0x7f0000000000)) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:02 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c]}, 0x18) 19:30:02 executing program 2: r0 = socket$inet6(0xa, 0x1000000000006, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") io_setup(0x6, &(0x7f00000001c0)) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) getsockopt$IPT_SO_GET_REVISION_MATCH(r2, 0x0, 0x42, &(0x7f0000000140)={'IDLETIMER\x00'}, &(0x7f0000000180)=0x1e) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) r4 = socket$inet6(0xa, 0x7, 0x6866) setsockopt$sock_linger(r4, 0x1, 0xd, &(0x7f0000000200), 0x8) [ 2976.196097] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2976.268350] FAULT_INJECTION: forcing a failure. [ 2976.268350] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 2976.280374] CPU: 0 PID: 10230 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2976.287307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2976.296664] Call Trace: [ 2976.299264] dump_stack+0x1b9/0x294 [ 2976.302911] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2976.308113] ? preempt_notifier_register+0x1e0/0x1e0 [ 2976.313236] should_fail.cold.4+0xa/0x1a [ 2976.317316] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2976.322435] ? graph_lock+0x170/0x170 [ 2976.326259] ? find_held_lock+0x36/0x1c0 [ 2976.330337] ? __lock_is_held+0xb5/0x140 [ 2976.334423] ? check_same_owner+0x320/0x320 [ 2976.338763] ? rcu_note_context_switch+0x710/0x710 [ 2976.343711] ? __might_sleep+0x95/0x190 [ 2976.347703] __alloc_pages_nodemask+0x34e/0xd70 [ 2976.352384] ? lock_downgrade+0x8e0/0x8e0 [ 2976.356548] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 2976.361576] ? graph_lock+0x170/0x170 [ 2976.362500] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2976.365473] ? __lock_is_held+0xb5/0x140 [ 2976.365495] ? rcu_report_qs_rnp+0x790/0x790 [ 2976.365522] ? __lock_is_held+0xb5/0x140 [ 2976.365546] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 2976.393881] alloc_pages_current+0x10c/0x210 [ 2976.398296] __get_free_pages+0xf/0x40 [ 2976.402180] mmu_topup_memory_caches+0x1f8/0x3a0 [ 2976.406924] ? debug_check_no_locks_freed+0x310/0x310 [ 2976.412113] kvm_mmu_load+0x21/0x10e0 [ 2976.415905] ? kasan_check_write+0x14/0x20 [ 2976.420132] vcpu_enter_guest+0x3a83/0x6060 [ 2976.424445] ? print_usage_bug+0xc0/0xc0 [ 2976.428493] ? kvm_set_msr_common+0x2680/0x2680 [ 2976.433149] ? vmx_vcpu_load+0xada/0xfe0 [ 2976.437196] ? __lock_acquire+0x7f5/0x5140 [ 2976.441444] ? vmx_vcpu_reset+0x1030/0x1030 [ 2976.445751] ? graph_lock+0x170/0x170 [ 2976.449539] ? graph_lock+0x170/0x170 [ 2976.453332] ? __lock_acquire+0x7f5/0x5140 [ 2976.457556] ? debug_check_no_locks_freed+0x310/0x310 [ 2976.462734] ? __lock_is_held+0xb5/0x140 [ 2976.466783] ? lock_acquire+0x1dc/0x520 [ 2976.470741] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2976.475746] ? lock_release+0xa10/0xa10 [ 2976.479707] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2976.484967] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2976.489447] ? preempt_notifier_dec+0x20/0x20 [ 2976.493943] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2976.498772] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2976.503782] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2976.507839] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2976.513534] ? graph_lock+0x170/0x170 [ 2976.517323] ? find_held_lock+0x36/0x1c0 [ 2976.521373] ? lock_downgrade+0x8e0/0x8e0 [ 2976.525509] ? kasan_check_read+0x11/0x20 [ 2976.529650] ? rcu_is_watching+0x85/0x140 [ 2976.533793] ? rcu_report_qs_rnp+0x790/0x790 [ 2976.538191] ? __fget+0x40c/0x650 [ 2976.541632] ? find_held_lock+0x31/0x1c0 [ 2976.545679] ? expand_files.part.8+0x9a0/0x9a0 [ 2976.550243] ? kasan_check_write+0x14/0x20 [ 2976.554464] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2976.559384] ? wait_for_completion+0x870/0x870 [ 2976.563962] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2976.569138] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2976.574843] do_vfs_ioctl+0x1cf/0x16f0 [ 2976.578728] ? ioctl_preallocate+0x2e0/0x2e0 [ 2976.583123] ? fget_raw+0x20/0x20 [ 2976.586564] ? __sb_end_write+0xac/0xe0 [ 2976.590527] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2976.596046] ? fput+0x130/0x1a0 [ 2976.599310] ? ksys_write+0x1a6/0x250 [ 2976.603099] ? security_file_ioctl+0x94/0xc0 [ 2976.607504] ksys_ioctl+0xa9/0xd0 [ 2976.610953] __x64_sys_ioctl+0x73/0xb0 [ 2976.614827] do_syscall_64+0x1b1/0x800 [ 2976.618710] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 2976.623541] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2976.628459] ? syscall_return_slowpath+0x30f/0x5c0 [ 2976.633379] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2976.638729] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2976.643562] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2976.648737] RIP: 0033:0x4559f9 19:30:03 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x300000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:03 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x500000000000000]}, 0x18) 19:30:03 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d34") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5, 0x8000}, 0x8) 19:30:03 executing program 3 (fault-call:7 fault-nth:0): r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 2976.651910] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2976.671151] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2976.678846] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2976.686100] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2976.693354] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2976.700606] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2976.707858] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 0000000000000047 [ 2976.765367] FAULT_INJECTION: forcing a failure. [ 2976.765367] name failslab, interval 1, probability 0, space 0, times 0 [ 2976.776674] CPU: 0 PID: 10252 Comm: syz-executor3 Not tainted 4.17.0+ #89 [ 2976.783609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2976.792973] Call Trace: [ 2976.795586] dump_stack+0x1b9/0x294 [ 2976.799237] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2976.804449] ? unlock_page_memcg+0x2c/0x40 [ 2976.808702] ? page_add_file_rmap+0x779/0xe20 [ 2976.813221] ? print_usage_bug+0xc0/0xc0 [ 2976.817306] should_fail.cold.4+0xa/0x1a [ 2976.821392] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2976.826519] ? print_usage_bug+0xc0/0xc0 [ 2976.830608] ? __lockdep_init_map+0x105/0x590 [ 2976.830965] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2976.835114] ? graph_lock+0x170/0x170 [ 2976.835136] ? find_held_lock+0x36/0x1c0 [ 2976.835158] ? __lock_is_held+0xb5/0x140 [ 2976.835185] ? check_same_owner+0x320/0x320 19:30:03 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x500000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:03 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d34") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5, 0x8000}, 0x8) [ 2976.835203] ? rcu_note_context_switch+0x710/0x710 [ 2976.835221] ? lock_downgrade+0x8e0/0x8e0 [ 2976.870819] __should_failslab+0x124/0x180 [ 2976.875069] should_failslab+0x9/0x14 [ 2976.878888] kmem_cache_alloc_trace+0x2cb/0x780 [ 2976.883582] ? mark_held_locks+0xc9/0x160 [ 2976.887749] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2976.893305] sctp_stream_init_ext+0x50/0xf0 [ 2976.897647] sctp_sched_set_value+0x158/0x1b0 [ 2976.902163] sctp_setsockopt+0x3ef3/0x6b00 [ 2976.906417] ? __lock_acquire+0x7f5/0x5140 [ 2976.910666] ? sctp_setsockopt_paddr_thresholds+0x560/0x560 [ 2976.916396] ? debug_check_no_locks_freed+0x310/0x310 [ 2976.921606] ? find_get_entries_tag+0x10a0/0x10a0 [ 2976.926479] ? debug_check_no_locks_freed+0x310/0x310 [ 2976.931702] ? debug_check_no_locks_freed+0x310/0x310 [ 2976.936916] ? print_usage_bug+0xc0/0xc0 [ 2976.941002] ? graph_lock+0x170/0x170 [ 2976.944848] ? graph_lock+0x170/0x170 [ 2976.948662] ? lock_acquire+0x1dc/0x520 [ 2976.952648] ? __fdget_pos+0x1a9/0x1e0 [ 2976.956545] ? graph_lock+0x170/0x170 [ 2976.960366] ? graph_lock+0x170/0x170 [ 2976.964183] ? __lock_acquire+0x7f5/0x5140 [ 2976.968453] ? find_held_lock+0x36/0x1c0 [ 2976.972508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 2976.978038] ? _parse_integer+0x13b/0x190 [ 2976.982178] ? find_held_lock+0x36/0x1c0 [ 2976.986233] ? lock_downgrade+0x8e0/0x8e0 [ 2976.990366] ? find_held_lock+0x36/0x1c0 [ 2976.994415] ? kasan_check_read+0x11/0x20 [ 2976.998554] ? rcu_is_watching+0x85/0x140 [ 2977.002687] ? rcu_report_qs_rnp+0x790/0x790 [ 2977.007089] ? __fget+0x40c/0x650 [ 2977.010536] ? expand_files.part.8+0x9a0/0x9a0 [ 2977.015108] ? lock_downgrade+0x8e0/0x8e0 [ 2977.019244] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2977.024776] ? proc_fail_nth_write+0x96/0x1f0 [ 2977.029265] ? proc_cwd_link+0x1d0/0x1d0 [ 2977.033319] ? __fget_light+0x2ef/0x430 [ 2977.037280] ? fget_raw+0x20/0x20 [ 2977.040720] ? wait_for_completion+0x870/0x870 [ 2977.045289] ? __lock_is_held+0xb5/0x140 [ 2977.049354] sock_common_setsockopt+0x9a/0xe0 [ 2977.053841] __sys_setsockopt+0x1bd/0x390 [ 2977.057976] ? kernel_accept+0x310/0x310 [ 2977.062037] ? ksys_write+0x1a6/0x250 [ 2977.065827] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2977.071363] __x64_sys_setsockopt+0xbe/0x150 [ 2977.075758] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 2977.080761] do_syscall_64+0x1b1/0x800 [ 2977.084643] ? finish_task_switch+0x1ca/0x840 [ 2977.089127] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2977.094042] ? syscall_return_slowpath+0x30f/0x5c0 [ 2977.098969] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2977.104321] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2977.109151] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2977.114325] RIP: 0033:0x4559f9 [ 2977.117497] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2977.136737] RSP: 002b:00007f675d6bac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 2977.144432] RAX: ffffffffffffffda RBX: 00007f675d6bb6d4 RCX: 00000000004559f9 [ 2977.151685] RDX: 000000000000007c RSI: 0000000000000084 RDI: 0000000000000015 [ 2977.158938] RBP: 000000000072bea0 R08: 0000000000000008 R09: 0000000000000000 [ 2977.166193] R10: 0000000020000180 R11: 0000000000000246 R12: 0000000000000016 [ 2977.173447] R13: 00000000004c6af0 R14: 00000000004d1590 R15: 0000000000000000 19:30:04 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:04 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d34") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5, 0x8000}, 0x8) 19:30:04 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6900000000000000]}, 0x18) 19:30:04 executing program 3 (fault-call:7 fault-nth:1): r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:04 executing program 5 (fault-call:7 fault-nth:72): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 19:30:04 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}, 0x1f}, 0x1b) listen(r0, 0x6) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x400200, 0x0) ioctl$BLKROGET(r1, 0x125e, &(0x7f00000001c0)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) setsockopt$inet6_opts(r0, 0x29, 0x37, &(0x7f0000000440)=ANY=[@ANYBLOB="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"], 0xfffffffffffffe72) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) lremovexattr(&(0x7f0000000200)='./file0\x00', &(0x7f0000000240)=@known='system.posix_acl_default\x00') 19:30:04 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) r2 = socket(0x40000000015, 0x5, 0x0) getpeername(r2, &(0x7f0000000140)=@vsock={0x0, 0x0, 0x0, @my}, &(0x7f00000001c0)=0x80) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x2, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0xc) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) ioperm(0x4, 0x4000000000000, 0x7) 19:30:04 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x6c00000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:04 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7300]}, 0x18) [ 2977.436138] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:04 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x200000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:04 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f76") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5, 0x8000}, 0x8) 19:30:04 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:04 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa]}, 0x18) [ 2977.548932] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:04 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x400000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:04 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7b, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 2977.664737] FAULT_INJECTION: forcing a failure. [ 2977.664737] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 2977.667343] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2977.676718] CPU: 0 PID: 10294 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2977.693889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2977.703248] Call Trace: [ 2977.705846] dump_stack+0x1b9/0x294 [ 2977.709495] ? dump_stack_print_info.cold.2+0x52/0x52 19:30:04 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1400]}, 0x18) [ 2977.714700] ? lock_downgrade+0x8e0/0x8e0 [ 2977.718869] should_fail.cold.4+0xa/0x1a [ 2977.722952] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2977.728070] ? rcu_report_qs_rnp+0x790/0x790 [ 2977.732496] ? graph_lock+0x170/0x170 [ 2977.736315] ? is_bpf_text_address+0xd7/0x170 [ 2977.740823] ? find_held_lock+0x36/0x1c0 [ 2977.744899] ? __lock_is_held+0xb5/0x140 [ 2977.748981] ? check_same_owner+0x320/0x320 [ 2977.753314] ? rcu_note_context_switch+0x710/0x710 [ 2977.758253] ? __might_sleep+0x95/0x190 [ 2977.762242] __alloc_pages_nodemask+0x34e/0xd70 [ 2977.766921] ? lock_downgrade+0x8e0/0x8e0 [ 2977.771084] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 2977.776112] ? graph_lock+0x170/0x170 [ 2977.779916] ? __lock_is_held+0xb5/0x140 [ 2977.783988] ? rcu_report_qs_rnp+0x790/0x790 [ 2977.788417] ? __lock_is_held+0xb5/0x140 [ 2977.792502] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 2977.798053] alloc_pages_current+0x10c/0x210 [ 2977.802468] __get_free_pages+0xf/0x40 [ 2977.806365] mmu_topup_memory_caches+0x1f8/0x3a0 [ 2977.811125] ? debug_check_no_locks_freed+0x310/0x310 [ 2977.816331] kvm_mmu_load+0x21/0x10e0 [ 2977.820143] ? kasan_check_write+0x14/0x20 [ 2977.824386] vcpu_enter_guest+0x3a83/0x6060 [ 2977.828713] ? print_usage_bug+0xc0/0xc0 [ 2977.832788] ? kvm_set_msr_common+0x2680/0x2680 [ 2977.837465] ? vmx_vcpu_load+0xada/0xfe0 [ 2977.841545] ? __lock_acquire+0x7f5/0x5140 [ 2977.845794] ? vmx_vcpu_reset+0x1030/0x1030 [ 2977.850126] ? graph_lock+0x170/0x170 [ 2977.853936] ? graph_lock+0x170/0x170 [ 2977.857744] ? __lock_acquire+0x7f5/0x5140 [ 2977.861994] ? debug_check_no_locks_freed+0x310/0x310 [ 2977.867202] ? __lock_is_held+0xb5/0x140 [ 2977.871276] ? lock_acquire+0x1dc/0x520 [ 2977.875256] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2977.880278] ? lock_release+0xa10/0xa10 [ 2977.884247] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2977.889514] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2977.893997] ? preempt_notifier_dec+0x20/0x20 [ 2977.898512] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2977.903361] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2977.908803] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2977.912861] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2977.918565] ? graph_lock+0x170/0x170 [ 2977.922355] ? find_held_lock+0x36/0x1c0 [ 2977.926407] ? lock_downgrade+0x8e0/0x8e0 [ 2977.930544] ? kasan_check_read+0x11/0x20 [ 2977.934675] ? rcu_is_watching+0x85/0x140 [ 2977.938819] ? rcu_report_qs_rnp+0x790/0x790 [ 2977.943218] ? __fget+0x40c/0x650 [ 2977.946659] ? find_held_lock+0x31/0x1c0 [ 2977.950703] ? expand_files.part.8+0x9a0/0x9a0 [ 2977.955280] ? kasan_check_write+0x14/0x20 [ 2977.959502] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2977.964503] ? wait_for_completion+0x870/0x870 [ 2977.969070] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2977.974255] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2977.979953] do_vfs_ioctl+0x1cf/0x16f0 [ 2977.983831] ? ioctl_preallocate+0x2e0/0x2e0 [ 2977.988222] ? fget_raw+0x20/0x20 [ 2977.991659] ? __sb_end_write+0xac/0xe0 [ 2977.995619] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2978.001137] ? fput+0x130/0x1a0 [ 2978.004406] ? ksys_write+0x1a6/0x250 [ 2978.008192] ? security_file_ioctl+0x94/0xc0 [ 2978.012594] ksys_ioctl+0xa9/0xd0 [ 2978.016053] __x64_sys_ioctl+0x73/0xb0 [ 2978.019928] do_syscall_64+0x1b1/0x800 [ 2978.023800] ? finish_task_switch+0x1ca/0x840 [ 2978.028283] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2978.033196] ? syscall_return_slowpath+0x30f/0x5c0 [ 2978.038125] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2978.043481] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2978.048334] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2978.053505] RIP: 0033:0x4559f9 [ 2978.056681] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2978.075917] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2978.084555] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2978.091813] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2978.099075] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2978.106339] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2978.113591] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 0000000000000048 19:30:05 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:05 executing program 5 (fault-call:7 fault-nth:73): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 19:30:05 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1800000000000000]}, 0x18) 19:30:05 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x16, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:05 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f76") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5, 0x8000}, 0x8) 19:30:05 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0x10000000000, 0x400) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:05 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x7], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:05 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000140)='cpuacct.usage_sys\x00', 0x0, 0x0) ioctl$sock_bt_bnep_BNEPGETCONNINFO(r1, 0x800442d3, &(0x7f0000000180)={0x400, 0x8, 0x73ff, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], 'erspan0\x00'}) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r2, 0x6) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r2, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r4 = accept4(r2, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r4, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 2978.496770] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2978.558688] FAULT_INJECTION: forcing a failure. [ 2978.558688] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 2978.570625] CPU: 1 PID: 10348 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2978.577561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2978.586920] Call Trace: [ 2978.589518] dump_stack+0x1b9/0x294 [ 2978.593161] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2978.598364] ? lock_downgrade+0x8e0/0x8e0 [ 2978.602528] should_fail.cold.4+0xa/0x1a [ 2978.606599] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2978.611708] ? rcu_report_qs_rnp+0x790/0x790 [ 2978.616124] ? graph_lock+0x170/0x170 [ 2978.619952] ? is_bpf_text_address+0xd7/0x170 [ 2978.624461] ? find_held_lock+0x36/0x1c0 [ 2978.628539] ? __lock_is_held+0xb5/0x140 [ 2978.632620] ? check_same_owner+0x320/0x320 [ 2978.636958] ? rcu_note_context_switch+0x710/0x710 [ 2978.641895] ? __might_sleep+0x95/0x190 [ 2978.645889] __alloc_pages_nodemask+0x34e/0xd70 [ 2978.650572] ? lock_downgrade+0x8e0/0x8e0 [ 2978.654729] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 2978.659752] ? graph_lock+0x170/0x170 [ 2978.663563] ? __lock_is_held+0xb5/0x140 [ 2978.667636] ? rcu_report_qs_rnp+0x790/0x790 [ 2978.672064] ? __lock_is_held+0xb5/0x140 [ 2978.676145] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 2978.681695] alloc_pages_current+0x10c/0x210 [ 2978.686119] __get_free_pages+0xf/0x40 [ 2978.690015] mmu_topup_memory_caches+0x1f8/0x3a0 [ 2978.694786] ? debug_check_no_locks_freed+0x310/0x310 [ 2978.699998] kvm_mmu_load+0x21/0x10e0 [ 2978.703812] ? kasan_check_write+0x14/0x20 19:30:05 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f76") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5, 0x8000}, 0x8) 19:30:05 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2e0e1b0000000000]}, 0x18) 19:30:05 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x65, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 2978.708055] vcpu_enter_guest+0x3a83/0x6060 [ 2978.712386] ? print_usage_bug+0xc0/0xc0 [ 2978.716465] ? kvm_set_msr_common+0x2680/0x2680 [ 2978.721137] ? vmx_vcpu_load+0xada/0xfe0 [ 2978.725207] ? __lock_acquire+0x7f5/0x5140 [ 2978.729448] ? vmx_vcpu_reset+0x1030/0x1030 [ 2978.733778] ? graph_lock+0x170/0x170 [ 2978.737584] ? graph_lock+0x170/0x170 [ 2978.741396] ? __lock_acquire+0x7f5/0x5140 [ 2978.745647] ? debug_check_no_locks_freed+0x310/0x310 [ 2978.750849] ? __lock_is_held+0xb5/0x140 [ 2978.754924] ? lock_acquire+0x1dc/0x520 [ 2978.758908] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2978.763939] ? lock_release+0xa10/0xa10 [ 2978.768010] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2978.773292] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2978.777801] ? preempt_notifier_dec+0x20/0x20 [ 2978.782316] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2978.787163] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2978.792195] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2978.796262] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2978.801966] ? graph_lock+0x170/0x170 [ 2978.805756] ? find_held_lock+0x36/0x1c0 [ 2978.809812] ? lock_downgrade+0x8e0/0x8e0 [ 2978.813970] ? kasan_check_read+0x11/0x20 [ 2978.818106] ? rcu_is_watching+0x85/0x140 [ 2978.822241] ? rcu_report_qs_rnp+0x790/0x790 [ 2978.826639] ? __fget+0x40c/0x650 [ 2978.830092] ? find_held_lock+0x31/0x1c0 [ 2978.834141] ? expand_files.part.8+0x9a0/0x9a0 [ 2978.838719] ? kasan_check_write+0x14/0x20 [ 2978.842950] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2978.847864] ? wait_for_completion+0x870/0x870 [ 2978.852446] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2978.857625] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2978.863323] do_vfs_ioctl+0x1cf/0x16f0 [ 2978.867201] ? ioctl_preallocate+0x2e0/0x2e0 [ 2978.871593] ? fget_raw+0x20/0x20 [ 2978.875033] ? __sb_end_write+0xac/0xe0 [ 2978.878994] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2978.884516] ? fput+0x130/0x1a0 [ 2978.887784] ? ksys_write+0x1a6/0x250 [ 2978.891575] ? security_file_ioctl+0x94/0xc0 [ 2978.895970] ksys_ioctl+0xa9/0xd0 [ 2978.899410] __x64_sys_ioctl+0x73/0xb0 [ 2978.903374] do_syscall_64+0x1b1/0x800 [ 2978.907249] ? finish_task_switch+0x1ca/0x840 [ 2978.911733] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2978.916648] ? syscall_return_slowpath+0x30f/0x5c0 [ 2978.921577] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2978.926927] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2978.931760] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2978.936932] RIP: 0033:0x4559f9 [ 2978.940105] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 19:30:05 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x6000000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:05 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f7600") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5, 0x8000}, 0x8) [ 2978.959341] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2978.967035] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2978.974291] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2978.981554] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2978.988814] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2978.996068] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 0000000000000049 19:30:05 executing program 5 (fault-call:7 fault-nth:74): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 19:30:05 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x22, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:05 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x90ffffff00000000]}, 0x18) [ 2979.062853] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2979.234496] FAULT_INJECTION: forcing a failure. [ 2979.234496] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 2979.246447] CPU: 1 PID: 10390 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2979.253377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2979.262761] Call Trace: [ 2979.265365] dump_stack+0x1b9/0x294 [ 2979.269012] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2979.274221] ? lock_downgrade+0x8e0/0x8e0 [ 2979.278389] should_fail.cold.4+0xa/0x1a [ 2979.282488] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2979.287605] ? rcu_report_qs_rnp+0x790/0x790 [ 2979.292023] ? graph_lock+0x170/0x170 [ 2979.295830] ? is_bpf_text_address+0xd7/0x170 [ 2979.300340] ? find_held_lock+0x36/0x1c0 [ 2979.304418] ? __lock_is_held+0xb5/0x140 [ 2979.308501] ? check_same_owner+0x320/0x320 [ 2979.312833] ? rcu_note_context_switch+0x710/0x710 [ 2979.317779] ? __might_sleep+0x95/0x190 [ 2979.321762] __alloc_pages_nodemask+0x34e/0xd70 [ 2979.326434] ? lock_downgrade+0x8e0/0x8e0 [ 2979.330592] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 2979.335619] ? graph_lock+0x170/0x170 [ 2979.339425] ? __lock_is_held+0xb5/0x140 [ 2979.343496] ? rcu_report_qs_rnp+0x790/0x790 [ 2979.348007] ? __lock_is_held+0xb5/0x140 [ 2979.352088] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 2979.357638] alloc_pages_current+0x10c/0x210 [ 2979.362058] __get_free_pages+0xf/0x40 [ 2979.365951] mmu_topup_memory_caches+0x1f8/0x3a0 [ 2979.370709] ? debug_check_no_locks_freed+0x310/0x310 [ 2979.375908] kvm_mmu_load+0x21/0x10e0 [ 2979.379718] ? kasan_check_write+0x14/0x20 [ 2979.383965] vcpu_enter_guest+0x3a83/0x6060 [ 2979.388301] ? print_usage_bug+0xc0/0xc0 [ 2979.392373] ? kvm_set_msr_common+0x2680/0x2680 [ 2979.397058] ? vmx_vcpu_load+0xada/0xfe0 [ 2979.401152] ? __lock_acquire+0x7f5/0x5140 [ 2979.405396] ? vmx_vcpu_reset+0x1030/0x1030 [ 2979.409725] ? graph_lock+0x170/0x170 [ 2979.413551] ? graph_lock+0x170/0x170 [ 2979.413568] ? __lock_acquire+0x7f5/0x5140 [ 2979.413588] ? debug_check_no_locks_freed+0x310/0x310 [ 2979.426782] ? __lock_is_held+0xb5/0x140 [ 2979.430858] ? lock_acquire+0x1dc/0x520 [ 2979.434831] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2979.439854] ? lock_release+0xa10/0xa10 [ 2979.443842] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2979.449124] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2979.453644] ? preempt_notifier_dec+0x20/0x20 [ 2979.458153] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2979.462997] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2979.468027] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2979.472100] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2979.477811] ? graph_lock+0x170/0x170 [ 2979.481600] ? find_held_lock+0x36/0x1c0 [ 2979.485655] ? lock_downgrade+0x8e0/0x8e0 [ 2979.489788] ? kasan_check_read+0x11/0x20 [ 2979.493935] ? rcu_is_watching+0x85/0x140 [ 2979.498067] ? rcu_report_qs_rnp+0x790/0x790 [ 2979.502463] ? __fget+0x40c/0x650 [ 2979.505912] ? find_held_lock+0x31/0x1c0 [ 2979.509955] ? expand_files.part.8+0x9a0/0x9a0 [ 2979.514522] ? kasan_check_write+0x14/0x20 [ 2979.518741] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2979.523654] ? wait_for_completion+0x870/0x870 [ 2979.528219] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2979.533395] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2979.539100] do_vfs_ioctl+0x1cf/0x16f0 [ 2979.542995] ? ioctl_preallocate+0x2e0/0x2e0 [ 2979.547409] ? fget_raw+0x20/0x20 [ 2979.550867] ? __sb_end_write+0xac/0xe0 [ 2979.554852] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2979.560394] ? fput+0x130/0x1a0 [ 2979.563685] ? ksys_write+0x1a6/0x250 [ 2979.567496] ? security_file_ioctl+0x94/0xc0 [ 2979.571913] ksys_ioctl+0xa9/0xd0 [ 2979.575374] __x64_sys_ioctl+0x73/0xb0 [ 2979.579268] do_syscall_64+0x1b1/0x800 [ 2979.583168] ? finish_task_switch+0x1ca/0x840 [ 2979.587652] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2979.592581] ? syscall_return_slowpath+0x30f/0x5c0 [ 2979.597502] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2979.602853] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2979.607682] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2979.612861] RIP: 0033:0x4559f9 [ 2979.616035] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 19:30:06 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x76, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:06 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x0, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:06 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x82, 0x0) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) getsockopt$inet_mreqn(r3, 0x0, 0x23, &(0x7f00000001c0)={@local, @loopback, 0x0}, &(0x7f0000000200)=0xc) getresuid(&(0x7f0000000240), &(0x7f0000000280), &(0x7f0000000300)=0x0) sendmsg$nl_xfrm(r3, &(0x7f0000000580)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000600)=ANY=[@ANYBLOB="ec0000001b0010022bbd7000fcdbdf25ff010000000000000000000000000001fe8000000000000000000000000000164e2000014e21ffff020080800c000000", @ANYRES32=r4, @ANYRES32=r5, @ANYBLOB="01000000000000001f0000000000000004000000000000000200000000000000050000000000000008000000000000000000000000000000ffff00000000000001000000000000000600000000000000080000000000000003000000000000001f000000ba6b6e0303010103000000000400000000046f2b2f001900ff000000080016000600000008000300191cf02563000014000d00ff010000000000100000000000000001d3f46fbd95e3c9cbad62ef22c1a96b"], 0xec}, 0x1, 0x0, 0x0, 0x10}, 0x44800) r6 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl$sock_SIOCGIFINDEX(r6, 0x8933, &(0x7f0000000540)={'bridge_slave_1\x00', 0x0}) recvfrom$packet(r6, &(0x7f0000000040)=""/222, 0xfffffef9, 0x0, &(0x7f00000002c0)={0x11, 0x0, r7, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:06 executing program 5 (fault-call:7 fault-nth:75): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 19:30:06 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x100) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:06 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0xf5ffffff], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:06 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f7600") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5, 0x8000}, 0x8) 19:30:06 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xb7ffffff]}, 0x18) [ 2979.635213] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2979.642903] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2979.650153] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2979.657414] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2979.664674] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2979.671926] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 000000000000004a [ 2979.711930] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:06 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xd0ffffff]}, 0x18) 19:30:06 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f7600") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5, 0x8000}, 0x8) 19:30:06 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x6000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 2979.824540] FAULT_INJECTION: forcing a failure. [ 2979.824540] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 2979.836470] CPU: 1 PID: 10418 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2979.843404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2979.852764] Call Trace: [ 2979.855380] dump_stack+0x1b9/0x294 [ 2979.859027] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2979.864214] ? lock_downgrade+0x8e0/0x8e0 [ 2979.868375] should_fail.cold.4+0xa/0x1a [ 2979.872423] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2979.877515] ? rcu_report_qs_rnp+0x790/0x790 [ 2979.881916] ? graph_lock+0x170/0x170 [ 2979.885716] ? is_bpf_text_address+0xd7/0x170 [ 2979.890198] ? find_held_lock+0x36/0x1c0 [ 2979.894258] ? __lock_is_held+0xb5/0x140 [ 2979.898314] ? check_same_owner+0x320/0x320 [ 2979.902623] ? rcu_note_context_switch+0x710/0x710 [ 2979.907554] ? __might_sleep+0x95/0x190 [ 2979.911700] __alloc_pages_nodemask+0x34e/0xd70 [ 2979.916863] ? lock_downgrade+0x8e0/0x8e0 [ 2979.921010] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 2979.926029] ? graph_lock+0x170/0x170 [ 2979.929816] ? __lock_is_held+0xb5/0x140 [ 2979.933865] ? rcu_report_qs_rnp+0x790/0x790 [ 2979.938266] ? __lock_is_held+0xb5/0x140 [ 2979.942322] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 2979.947859] alloc_pages_current+0x10c/0x210 [ 2979.952257] __get_free_pages+0xf/0x40 [ 2979.956143] mmu_topup_memory_caches+0x1f8/0x3a0 [ 2979.960889] ? debug_check_no_locks_freed+0x310/0x310 [ 2979.966066] kvm_mmu_load+0x21/0x10e0 [ 2979.969853] ? kasan_check_write+0x14/0x20 [ 2979.974077] vcpu_enter_guest+0x3a83/0x6060 [ 2979.978386] ? print_usage_bug+0xc0/0xc0 [ 2979.982435] ? kvm_set_msr_common+0x2680/0x2680 [ 2979.987089] ? vmx_vcpu_load+0xada/0xfe0 [ 2979.991137] ? __lock_acquire+0x7f5/0x5140 [ 2979.995358] ? vmx_vcpu_reset+0x1030/0x1030 [ 2979.999675] ? graph_lock+0x170/0x170 [ 2980.003463] ? graph_lock+0x170/0x170 [ 2980.007250] ? __lock_acquire+0x7f5/0x5140 [ 2980.011473] ? debug_check_no_locks_freed+0x310/0x310 [ 2980.016665] ? __lock_is_held+0xb5/0x140 [ 2980.020715] ? lock_acquire+0x1dc/0x520 [ 2980.024675] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2980.029689] ? lock_release+0xa10/0xa10 [ 2980.033649] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2980.038909] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2980.043398] ? preempt_notifier_dec+0x20/0x20 [ 2980.047895] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2980.052721] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2980.057823] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2980.061871] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2980.067568] ? graph_lock+0x170/0x170 [ 2980.071357] ? find_held_lock+0x36/0x1c0 [ 2980.075418] ? lock_downgrade+0x8e0/0x8e0 [ 2980.079554] ? kasan_check_read+0x11/0x20 [ 2980.083702] ? rcu_is_watching+0x85/0x140 [ 2980.087840] ? rcu_report_qs_rnp+0x790/0x790 [ 2980.092250] ? __fget+0x40c/0x650 [ 2980.095693] ? find_held_lock+0x31/0x1c0 [ 2980.099741] ? expand_files.part.8+0x9a0/0x9a0 [ 2980.104322] ? kasan_check_write+0x14/0x20 [ 2980.108541] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2980.113468] ? wait_for_completion+0x870/0x870 [ 2980.118037] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2980.123214] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2980.128909] do_vfs_ioctl+0x1cf/0x16f0 [ 2980.132803] ? ioctl_preallocate+0x2e0/0x2e0 [ 2980.137198] ? fget_raw+0x20/0x20 [ 2980.140639] ? __sb_end_write+0xac/0xe0 [ 2980.144602] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2980.150121] ? fput+0x130/0x1a0 [ 2980.153396] ? ksys_write+0x1a6/0x250 [ 2980.157191] ? security_file_ioctl+0x94/0xc0 [ 2980.161591] ksys_ioctl+0xa9/0xd0 [ 2980.165043] __x64_sys_ioctl+0x73/0xb0 [ 2980.168919] do_syscall_64+0x1b1/0x800 [ 2980.172788] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 2980.177617] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2980.182540] ? syscall_return_slowpath+0x30f/0x5c0 [ 2980.187458] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2980.192809] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2980.197650] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2980.202825] RIP: 0033:0x4559f9 [ 2980.205996] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2980.225232] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2980.232937] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2980.240191] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2980.247444] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2980.254697] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2980.261951] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 000000000000004b 19:30:07 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1500]}, 0x18) 19:30:07 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x48000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:07 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x8, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 2980.300993] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:07 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x1100], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:07 executing program 5 (fault-call:7 fault-nth:76): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) [ 2980.372234] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:07 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5, 0x8000}, 0x8) [ 2980.499525] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2980.566492] FAULT_INJECTION: forcing a failure. [ 2980.566492] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 2980.578517] CPU: 0 PID: 10447 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2980.585448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2980.594803] Call Trace: [ 2980.597398] dump_stack+0x1b9/0x294 [ 2980.601030] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2980.606239] ? lock_downgrade+0x8e0/0x8e0 [ 2980.610402] should_fail.cold.4+0xa/0x1a [ 2980.614473] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2980.619589] ? rcu_report_qs_rnp+0x790/0x790 [ 2980.624006] ? graph_lock+0x170/0x170 [ 2980.627819] ? is_bpf_text_address+0xd7/0x170 [ 2980.632326] ? find_held_lock+0x36/0x1c0 [ 2980.636399] ? __lock_is_held+0xb5/0x140 [ 2980.640472] ? check_same_owner+0x320/0x320 [ 2980.644800] ? rcu_note_context_switch+0x710/0x710 [ 2980.649741] ? __might_sleep+0x95/0x190 [ 2980.653727] __alloc_pages_nodemask+0x34e/0xd70 [ 2980.658402] ? lock_downgrade+0x8e0/0x8e0 [ 2980.662564] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 2980.667592] ? graph_lock+0x170/0x170 [ 2980.671399] ? __lock_is_held+0xb5/0x140 [ 2980.675476] ? rcu_report_qs_rnp+0x790/0x790 [ 2980.679905] ? __lock_is_held+0xb5/0x140 [ 2980.683975] ? ZSTD_compressBlock_greedy_extDict+0x5b0/0x22c0 [ 2980.689877] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 2980.695430] alloc_pages_current+0x10c/0x210 [ 2980.699853] __get_free_pages+0xf/0x40 [ 2980.703749] mmu_topup_memory_caches+0x1f8/0x3a0 [ 2980.708521] kvm_mmu_load+0x21/0x10e0 [ 2980.712332] ? vcpu_enter_guest+0x296a/0x6060 [ 2980.716848] vcpu_enter_guest+0x3a83/0x6060 [ 2980.721190] ? kvm_set_msr_common+0x2680/0x2680 [ 2980.725872] ? vmx_vcpu_load+0xada/0xfe0 [ 2980.729952] ? print_usage_bug+0xc0/0xc0 [ 2980.734020] ? vmx_vcpu_reset+0x1030/0x1030 [ 2980.738347] ? graph_lock+0x170/0x170 [ 2980.742155] ? graph_lock+0x170/0x170 [ 2980.745958] ? __lock_acquire+0x7f5/0x5140 [ 2980.750208] ? debug_check_no_locks_freed+0x310/0x310 [ 2980.755411] ? mark_held_locks+0xc9/0x160 [ 2980.759564] ? __lock_is_held+0xb5/0x140 [ 2980.763632] ? lock_acquire+0x1dc/0x520 [ 2980.767612] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2980.772633] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 2980.777397] ? lock_release+0xa10/0xa10 [ 2980.781384] ? retint_kernel+0x10/0x10 [ 2980.785306] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2980.790148] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2980.795284] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2980.799448] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2980.805161] ? graph_lock+0x170/0x170 [ 2980.808947] ? find_held_lock+0x36/0x1c0 [ 2980.812994] ? lock_downgrade+0x8e0/0x8e0 [ 2980.817150] ? kasan_check_read+0x11/0x20 [ 2980.821285] ? rcu_is_watching+0x85/0x140 [ 2980.825425] ? rcu_report_qs_rnp+0x790/0x790 [ 2980.829833] ? __fget+0x40c/0x650 [ 2980.833282] ? find_held_lock+0x31/0x1c0 [ 2980.837338] ? expand_files.part.8+0x9a0/0x9a0 [ 2980.841916] ? kasan_check_write+0x14/0x20 [ 2980.846134] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2980.851061] ? wait_for_completion+0x870/0x870 [ 2980.856333] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2980.861512] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2980.867215] do_vfs_ioctl+0x1cf/0x16f0 [ 2980.871097] ? ioctl_preallocate+0x2e0/0x2e0 [ 2980.875490] ? fget_raw+0x20/0x20 [ 2980.878938] ? __sb_end_write+0xac/0xe0 [ 2980.882899] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2980.888437] ? fput+0x130/0x1a0 [ 2980.891725] ? ksys_write+0x1a6/0x250 [ 2980.895525] ? security_file_ioctl+0x94/0xc0 [ 2980.899918] ksys_ioctl+0xa9/0xd0 [ 2980.903361] __x64_sys_ioctl+0x73/0xb0 [ 2980.907233] do_syscall_64+0x1b1/0x800 [ 2980.911113] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 2980.915951] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2980.920867] ? syscall_return_slowpath+0x30f/0x5c0 [ 2980.925799] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2980.931173] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2980.936035] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2980.941227] RIP: 0033:0x4559f9 [ 2980.944406] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 19:30:07 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x4], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:07 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x6b, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:07 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x0, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:07 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000280)='/dev/ppp\x00', 0x40000, 0x0) getsockopt$XDP_MMAP_OFFSETS(r1, 0x11b, 0x1, &(0x7f0000000300), &(0x7f0000000440)=0x60) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0xdc, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x1) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) getsockopt$inet6_mreq(r0, 0x29, 0x15, &(0x7f0000000740)={@dev, 0x0}, &(0x7f0000000780)=0x14) bpf$PROG_LOAD(0x5, &(0x7f00000007c0)={0xa, 0x8, &(0x7f00000004c0)=@raw=[@generic={0x1, 0x4, 0x802000, 0xfffffffffffffff8}, @call={0x85, 0x0, 0x0, 0x7}, @call={0x85, 0x0, 0x0, 0x21}, @ldst={0x0, 0x0, 0x0, 0x0, 0x4, 0x8, 0xffffffffffffffff}], &(0x7f0000000500)='GPL\x00', 0x1, 0x0, &(0x7f0000000540), 0x0, 0x1, [], r3, 0xb}, 0x48) r4 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x503042, 0x0) ioctl$TCSETSW(r4, 0x5403, &(0x7f0000000140)={0x9, 0x7f, 0x0, 0x1, 0x100, 0x38, 0xffffffff, 0x8000, 0x5, 0x3, 0x6, 0x1000}) setsockopt$RDS_RECVERR(r2, 0x114, 0x5, &(0x7f0000000480)=0x1, 0x4) accept4$nfc_llcp(r2, 0x0, &(0x7f0000000180), 0x80000) sendto$inet6(0xffffffffffffffff, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xfffffffffffffe8a, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x3, 0x6, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xa}}, 0x14) getsockopt$inet_mreq(r2, 0x0, 0x27, &(0x7f00000001c0)={@multicast1, @local}, &(0x7f0000000200)=0x8) connect$inet6(r2, &(0x7f0000000240)={0xa, 0x4e20, 0x7, @ipv4={[], [0xff, 0xff]}, 0x5}, 0x1c) 19:30:07 executing program 5 (fault-call:7 fault-nth:77): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 19:30:07 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x0, 0x8000}, 0x8) 19:30:07 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f0000000140)={0x11, 0x1f, 0x0, 0x1, 0x1000000000000000, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x14) [ 2980.963595] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2980.971356] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2980.978623] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2980.985877] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2980.993128] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2981.000398] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 000000000000004c sendmmsg(r1, &(0x7f000000c780)=[{{&(0x7f0000000180)=@l2={0x1f, 0xb193, {0x8043, 0x7f, 0x80000001, 0x5, 0x1, 0x401}, 0x80000000, 0x3}, 0x80, &(0x7f0000000440)=[{&(0x7f0000000200)="1f4b8dede730220414", 0x9}, {&(0x7f0000000240)="22a42ffa73ffc763abc3ad014d641a8d761980589fb8aaa19c5c2e6fa785010c1a6b8f8933ff5e18c1ff8ae52884f0fa6248749ccaeb95a4", 0x38}, {&(0x7f0000000280)="2fb9b1bafb173e2058e3b1a597d166bbf0ece5c7f969f5c8a63dd2682a022f0797738f42ff21c4b724b379031f30723ee5f3f8edcfb6190721db2e34ea9019f06f017406dc2566dbade82536698231ef97282c97663ab69ff2ff3b53f05bc16fe260c78a5f8d47924cec521f7a1f3f34a0487f7548289458776fb24bb5f54da8c3d981ede6d30722d01b6547caeeb5005f27fbf0e4b112e4a74e7dd3e7508b6187813393ce98a66420e62e959adf027256d57a371d3b04fdd7e5a460da39f4f21922fcdfd2fe1e", 0xc7}], 0x3, &(0x7f0000000600)=[{0xa8, 0x104, 0x401, "8d42f2189c49babcb3cf80e8032e2c26eb4e9374b526844a2461743dee79faa6815b9885f65b591020efade67eb22b31598820d304b54217f63c6cf4d50edad0142980f2283444134c20a1af2d2463c72947757cbac33ef35a3dcf9ca999ed5ed8933eb9f4a68678bd916e12c46512ca4aab036007f4a34d4e3a730858d434db7973a49dab19c56b5dee62fca53648c7f188a09635e6"}, {0x1010, 0x3b, 0x3, "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{&(0x7f0000008140)="a7f303dd7d1736fcfb023a5f31491ff82000d096de13cbf9fb28b94de93de7629bd87f507fc9f7c731c3203eb67ee252d6e4cd78c04612c623628074fcf3b5be3740738c90836f37e821d90a3339abaf6ad37f6d2d166fdb9508fc00d03ab7afa32b97b0b5b0633f6b0c10fb2962359bd63086207984999c42e4bde0def9c506af51a7c09f9a165a3922e8457616ea9d6642db3ddc86724c8240110ffddb0cf087e432", 0xa3}], 0x2, &(0x7f0000008240)=[{0x48, 0x13f, 0xb28, "b5d1bbc72acb48130ad23a39b18d4d71d95fa1aac3ca3de2f9d6504dd1c149686fa510dfd42e0a6121fb345b3e0d72c217c2db12"}, {0x88, 0x18f, 0xfff, "e6e75f74900b70380bf712980d353def36ff6fcacf673f6a0382b6f8bddacfef5cb87959644fe8de6fe642a682620462b0b77a30d2e3b8bce87b866850c5a0527ce9728c6a31756f8a2eb0378983a6fcbf47c9cd2fb2676e0ce0c463814cede6ce58bf99df71562b770d76279c71bb00756671a3"}, {0xe0, 0x116, 0x982, "b2d1a0a98f8cb04f3350378eb29f63506efd01b9c4ae5c10c1323e7ebab00f0756482e3504fa00eabaf8e5ed4c2292e1a104a60ff6a7e3abb31641f1a6e5fc3279b9cfc00cafa19715470937f625836539456e79538b3e05ef54f2168cf7bad395de9f4bdbe7b71357bb57bc31c975fb88f818df68433e19359e1a68a21892f2b11192655c450a821a077ff7f240bf527826ebfbee4f3a2af2ae1bb7989fa1434a7c91e4a16aed5456cccbb27f472a7c1465d8d906467c969615f718c26df30fa3e10aec0bfbab0d681695c6dd3b7fbe"}], 0x1b0, 0x40000}, 0x6}, {{&(0x7f0000008400)=@rc={0x1f, {0x0, 0x8, 0x7, 0x4, 0x80000000, 0xa05}, 0x8000}, 0x80, &(0x7f0000008540)=[{&(0x7f0000008480)="4e5fa359063ae3a3d8e6979199273bd60f684f82fb65717ec8f3964a54d601e4c46bf1b777fbefcf9d52b5adb5a3d1e8118982dae56fce7f58e70e54c8e22b8fe2713f5ebe9ad27b5c68c7a43012f20c2da31b045ce2df27b78fcca2d3390a4145183f337f03dce5c58fee0870c619a2180cf489e9", 0x75}, {&(0x7f0000008500)="92513441ca09b30a870b85d324cfef2770b24efb2d8dfaacc1cb6f1e6a3f7042e47e120db4acc4fb87", 0x29}], 0x2, &(0x7f0000008580)=[{0x110, 0x88, 0x0, 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"553da926f9910febda0e1aa6596ec7e00d5e117d7302e603b8e4fe3773312e076d260446db1e50682869cd5c13a504ac67d52ba9b01cce6e620399f652d944506d53ba21cb32a8793786d877ef7e0bb45697ab742815423099400b81af05756c53c65eb0b71e0f0119d906418f175e8f881c0ed72b2419b4340267b11367c6367a90b3acdcfba058a5628132c03f132f2452a4ffdd996160cc66796201ccf458681f0e1dfc29bd1b191736195dcae712b3578079"}, {0xe8, 0x104, 0x800, "ec7044360b65e75871ce7c78f8d526aa9010bb55b65b8eabaf511037a8e27d522ffa03fbc82f901b279945b27342d8f29e055c969ecc95e78d215ed032f16f075b34f0a20365285c358841b698737e57634c8adbd55daf2c81d4a76dfd5b7f9aeab6054cf88f8d0e276015c65ea017d813cc7ef96ae4b1c748787220520471bbb8f433a4cc8c60d1312cc46035a4620988af6684bbba794dc0c7bf80f8577851ef0d1389b8a1785c5232243b128fe977c9af6e1444dfb5670fd3c58af60e42daaa1af1fc07444d4b82079d86324b9d51364fa507d0"}], 0x490, 0x4004010}, 0xffffffff}, {{&(0x7f0000008a40)=@generic={0xa, "d52760592be9313dda8f5b291b67828243a240cf34d236b0a03b6399dbbfd0f9ebf1c004f162d0f4906f9ce1f2da1f1779497769f2c0cf0e94febfeca17909d0888ab99861b547084b1467c2c0666ce4ebd4e5d2cf407e485360aa03e6c670f5f88980c0df482cb03eed678359bdbefe0a27d01830cc9bbeea09be922eae"}, 0x80, &(0x7f0000008f40)=[{&(0x7f0000008ac0)="bf601fadaf09bdf3a40e828449a1277157c7bbd51a37abbfa53b41c436218134aada5962a5ffdae7e033c8753e0072cd32c2cdf5165fc6598c7e4cca6428cee165da671f585e4e1e90fdbb887c1437305baf44bef1e5f0b3b5f062301d8f78a0219d9c13ee417f459bac2313bcad85a093d80c90eebe8909c6d2022065878bcf4b49438c0d0660e02fd682d8acbeaf6556d765ce973cf79c", 0x98}, {&(0x7f0000008b80)="7a391c805b888532572ec45b53be786787b38ff4d2619d0428ca27dd60a83d4c98814b808298ac0ab67d22e522b394db584d0246704aeb8b868dba1e67176911917fdb80831b", 0x46}, {&(0x7f0000008c00)="b0bae2f3d6c9cc0a1ffd5b8b846fc5320495ccb971e64a524fdbca8c3b7603fdf6c2c0dc5614a0644d3dddff517f41a2de71", 0x32}, {&(0x7f0000008c40)="0cb9bbd39f9dabe3e7dae59a9fad732093415e71d12852587f51669c4a61bddaf07dea465c24abc7412865a641255863eaa12eea2e794b38cf3cdfc15902090f649b17208ac9b0dc2afd8efcc61cd1bd63e91e99a12978960199f3260f58cce3752412280df444e971e6d5373a16189d240ec5814b50e12c460cc8a3c1947c1a19ea99d14fde2bdee3eb77e6c1dd9846ab0ce16afbe148f046e57f947432d8df4c4fc5bcb5d2369691", 0xa9}, {&(0x7f0000008d00)="e8a2790176826778b538e8864354dc5d2d62664657a0d0202a587ebc5b1c97aa44b76fbef8f8f673932cf8025ec3265bd36683f09293122d66e6dfcd5576762fc9236766c04ae1832b4529fbe20685ee6df0b792cf7154d38c06c747ae88dc39d90393b9e5f521207e94050990cebcc0b76adf2cbb73f3eb61589798475108d1267b928e6e19dde46e9f1ae2a9d269f97dd60d", 0x93}, {&(0x7f0000008dc0)="4df360c118dcba93d08f9dfe6e080bc70208a999a4d46b", 0x17}, {&(0x7f0000008e00)="82c44ad1e1547c7d08245f5ed74af9caac734d89b557a6ca5558da9d4bf5b6b6a4a8a32c5176def7b18c114baf79b00eace62fc21af3ca39aae8545accf3620f3e9abba4b2c288fa60fc439b1871", 0x4e}, {&(0x7f0000008e80)="68831ca763735824e8fce9d0717fbc362430a07990378b80483a7bd59d6f12129f26a0b96f6ca638d0a7a203053d6cc0736f10134eacb694833cedcc49795ee74959b3012bde43500b79b41a75d3a0b6147b57944a44c668872d1bad91a97e7ab28fa5ea129db58205302cda090db8f87367bf66bdb220fc5e32b2fe6f858dabd2ee70724cd302853ffe0b5eb4221db6", 0x90}], 0x8, &(0x7f0000008fc0)=[{0x80, 0x0, 0xfff, "a71d20d567ef4097ea162bee58aefff6db0c1212317b704ab21780bedc483750b752b2331c64f74401e8bedb7af587b030ca4b3048bdaf468f4823b59bb4fe481337df1b4ae9c885b46080269bba8a97e848eced6d3f31cc29576551cb721e0aa91d609e3b61d8766f"}, {0x88, 0x119, 0x9, "5a848e92747446e87d361009de145af1a20c5b6bb7912e5c9945c986cbb7cab51eda42e83536898691d1a2f7802ee42057385930eeab9558c376ee37cf1539bf4467ddcee5da0a2b9316c82e87500c64f84afd1dd195c1c72ee13c660334d5fd5bd8dff10b31693d86a33089aa96642a50a3b8"}, {0x78, 0x18f, 0xee, "de6614b2a6e4eb2c099993e6e05e3e220895e1d88f765d454baea30e4357a7d3675b6bfe7b5f7547a464e84ceb350f2a2fa739a13c714e40e0860e72eb8643240075dbaa3dd28d20f881d31c57c44f3db5a92508233acfe1f2e6a0d89921f7889d02"}], 0x180, 0x400c800}, 0x4}, {{&(0x7f0000009140)=@un=@file={0x0, './file0\x00'}, 0x80, &(0x7f00000091c0), 0x0, &(0x7f0000009200)=[{0x88, 0x10c, 0xfffffffffffff1c7, "b80d791fced21747cc1a113dd510ad55d3cb10954ab088bc2d70250d265715364467d961040a05022801c3317926fcc37391f35ef2f3fee2b0348fb8bfb9895040d6ca27c783853159322f138f0098a0070c428829ea76ae0820420f695c12047347e89d8179996078d8a10e2d45338ee703249dbf"}, {0xa8, 0x13f, 0x3f, "0cbaa780d2a62f728e66c05abecdbfad0e3d75a983e9711d0ff43d0806c4c66132b42e694488ea609c2b556883ff9dd7500b52f2c14a2c066b533ae1d3ce8c59fde35dd2162685b4dab59c86b03dae980ef2140c9b3d0a0d553c6da477ff12bb07c8d9b9e19fc8f0ad90e7aa72513ecb09055c26fa5514ea3d5722c0ffdc952abb88e0514514b1c9a98cff09a68258aa688b"}, {0x78, 0x119, 0x380000000000, "0aab2ce034780e718ef14ba8e1e1ad1e8d54c6ce443cd12c806614fceb44076c91f1929954cc7552d6a5a8b35d269dffb3314fb55af8f97841af652399deadfbf8ae4fe494a108dd65ba88d9f028c9ce2865c2e06aaed0eafe6973b025c56273075a5cf7efa27702"}, {0x98, 0x10d, 0x8, "8afe3a453bbdee106623c609ab2c0e0a6b4a18525975f872dd041f9f4123c05fd3820e8d9025d5eccdad5040906f3a77a96c619bf8cafd3baf1d8193ff52d7c0b17d3b385abfa0c88f49d194786c313714311fe39ccc99b3f025a220ff5f70ac213d0bc76c0d052e4ed73a8ab63e158656a28eb627aea662a185eb071542cc0451"}, {0x88, 0x0, 0x7000000000, "012cdbbf13803946ea1359f0e84eab84c5012c01ab73e3d3335c7826d8d766deb3aa8c796559e076ff6c33ceea6430167aa697f9683f053c200cd3deaa78d3ff21cda1c414897f8576d1eeb2790c8ef9ff6c51cf790272e0dfef266d31a88a6acde56dd6d1ae2fe299ade939f367664d50f6d153"}, {0x20, 0x0, 0x10000, "6aa1f60cf8b4b911ca46"}, {0xb8, 0x1bf, 0x80000001, 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{&(0x7f0000009700)="2c80825c58a20be1f881fe39d8a7a4d14db2a49756c7f8958c9b3844992eccc8ad43367e2c3ff9cf81da43331ea0c4079d3f96b3c1de3bc333c661660fca8bb26b92132f4439d1984d4da81c012a5c1c0ca8f6921b0912bd4cdc4bac3bd09e694955c2b2a059aef996262a5c306acd7484cdb79687a42e6b604997ff750f2ae14018a2b7772468676240f91399", 0x8d}, {&(0x7f00000097c0)="6977b0a668a8fe705a792536403e82783ae7741c616322033c821cf237aec29701ac9ebafafa74a63916d3632f8e5bac8f7fee53f4db1f8d675f040ebaea960752d6fb647cc6f7fcd665a2baefc71423984467f01f895566789d7c1d668382ef4ad2198f2c979f38d1eb8072", 0x6c}, {&(0x7f0000009840)="2f5f1b9234050ea8241675e7dd17ba6a6c00e38249292e4b4cc4e6f8242e58bb86141e3d067846386ea27dcdc410c9816cf281869d36818e219bd6e4d4cedee71757382838a546410f850d6e99a75130", 0x50}, 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{0xa0, 0x10e, 0x7, "5d37de60362621b56684bcfd6f805c11e9bab429a772a21965efa2760f0784db890301955b17c61d2bdc4df4d449f525241129be0cb585a6adeb27433c9ade16b9da839ac60b4f5c2038bbf454da8cfce30a4c5b437cfde10a51c3fb32cfb157c7347dc96df3b7af0bd0bb6203db139f068b25555ef733a95f317b78abc51fa41994eb7b71295177ef"}], 0x1150, 0x40}, 0x4}, {{&(0x7f000000c500)=@ethernet={0x0, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x80, &(0x7f000000c580), 0x0, &(0x7f000000c5c0)=[{0x88, 0x11f, 0x3, "a1eb17bc5c72388780391ea46fee9bf6830282f2c0fcd2a03bd9acf9ddad652498058e0a691a40f334253a4a9d77a2ebed647b7ee15db04caf3850209c51c57049014e3130367c79aff1e66c053b45a3374354738bcfd7e9aa859a107d9456e3f65ae3fe2e17b3a4a954fc9b556885bef89e8cd22f"}, {0xc8, 0x18f, 0x7f, "974ad3e6c8de031a2e26bf401a7d46986ce8076db70cb768b23b959ac55e1514598b2f310efadc227dc3dfca6f448c8720cf86286f3d1f3575d5224365b88da6fa589eca6c57aaa27eaae0b1b2281f87d309533af372e13c72492590f46a4a1ad0fcb5d9e196a3c56a236c1550139f57d3de371c431c259cd29235accd55e5cde2a59d67e7f7be7fcfbcd8e7837a254ac0854c7465a63902a8f6575a44150fb76d88741b92c8e79964ebdb91a252a73cee8bf4"}, {0x38, 0x1, 0xf17, "af14bfc59372b4ec86939632b9df08d5258afa46bbccf6bf9c829a9950152ddc18"}], 0x188, 0x5}, 0xffff}], 0xa, 0x10) 19:30:07 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x34]}, 0x18) [ 2981.076280] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2981.121090] FAULT_INJECTION: forcing a failure. [ 2981.121090] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 2981.133077] CPU: 0 PID: 10484 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2981.140008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2981.149362] Call Trace: [ 2981.151961] dump_stack+0x1b9/0x294 [ 2981.155606] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2981.160805] ? lock_downgrade+0x8e0/0x8e0 [ 2981.164970] should_fail.cold.4+0xa/0x1a [ 2981.169043] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2981.174155] ? graph_lock+0x170/0x170 [ 2981.177977] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 2981.182752] ? find_held_lock+0x36/0x1c0 [ 2981.186825] ? __lock_is_held+0xb5/0x140 [ 2981.190904] ? check_same_owner+0x320/0x320 [ 2981.195234] ? rcu_note_context_switch+0x710/0x710 [ 2981.200180] ? __might_sleep+0x95/0x190 [ 2981.204195] __alloc_pages_nodemask+0x34e/0xd70 [ 2981.208872] ? lock_downgrade+0x8e0/0x8e0 [ 2981.213032] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 2981.218056] ? graph_lock+0x170/0x170 [ 2981.221868] ? __lock_is_held+0xb5/0x140 [ 2981.225942] ? rcu_report_qs_rnp+0x790/0x790 [ 2981.230371] ? __lock_is_held+0xb5/0x140 [ 2981.234437] ? perf_mmap+0xa50/0x1b00 [ 2981.238268] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 2981.243822] alloc_pages_current+0x10c/0x210 [ 2981.248247] __get_free_pages+0xf/0x40 [ 2981.252144] mmu_topup_memory_caches+0x1f8/0x3a0 [ 2981.256915] ? debug_check_no_locks_freed+0x310/0x310 [ 2981.262146] kvm_mmu_load+0x21/0x10e0 [ 2981.265981] ? kasan_check_write+0x14/0x20 [ 2981.266357] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2981.270224] vcpu_enter_guest+0x3a83/0x6060 [ 2981.270247] ? print_usage_bug+0xc0/0xc0 [ 2981.270269] ? kvm_set_msr_common+0x2680/0x2680 [ 2981.270284] ? vmx_vcpu_load+0xada/0xfe0 [ 2981.270301] ? __lock_acquire+0x7f5/0x5140 [ 2981.270315] ? vmx_vcpu_reset+0x1030/0x1030 [ 2981.270332] ? graph_lock+0x170/0x170 [ 2981.310010] ? graph_lock+0x170/0x170 [ 2981.313825] ? __lock_acquire+0x7f5/0x5140 [ 2981.318077] ? debug_check_no_locks_freed+0x310/0x310 [ 2981.323281] ? __lock_is_held+0xb5/0x140 [ 2981.327348] ? allocate_new_segments+0xc0/0x280 [ 2981.332026] ? lock_acquire+0x1dc/0x520 [ 2981.336008] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2981.341038] ? lock_release+0xa10/0xa10 [ 2981.345015] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2981.350384] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2981.354887] ? preempt_notifier_dec+0x20/0x20 [ 2981.359402] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2981.364250] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 19:30:08 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7d, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:08 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x3], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:08 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5500000000000000]}, 0x18) 19:30:08 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x0, 0x8000}, 0x8) [ 2981.369286] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2981.373354] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2981.379072] ? graph_lock+0x170/0x170 [ 2981.382881] ? find_held_lock+0x36/0x1c0 [ 2981.386956] ? lock_downgrade+0x8e0/0x8e0 [ 2981.391115] ? kasan_check_read+0x11/0x20 [ 2981.395296] ? rcu_is_watching+0x85/0x140 [ 2981.399453] ? rcu_report_qs_rnp+0x790/0x790 [ 2981.403874] ? __fget+0x40c/0x650 [ 2981.407336] ? find_held_lock+0x31/0x1c0 [ 2981.411406] ? expand_files.part.8+0x9a0/0x9a0 [ 2981.416002] ? kasan_check_write+0x14/0x20 [ 2981.420242] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2981.425178] ? wait_for_completion+0x870/0x870 [ 2981.429763] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2981.434946] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2981.440647] do_vfs_ioctl+0x1cf/0x16f0 [ 2981.444528] ? ioctl_preallocate+0x2e0/0x2e0 [ 2981.448920] ? fget_raw+0x20/0x20 [ 2981.452359] ? __sb_end_write+0xac/0xe0 [ 2981.456323] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2981.461851] ? fput+0x130/0x1a0 [ 2981.465117] ? ksys_write+0x1a6/0x250 [ 2981.468951] ? security_file_ioctl+0x94/0xc0 [ 2981.473349] ksys_ioctl+0xa9/0xd0 [ 2981.476812] __x64_sys_ioctl+0x73/0xb0 [ 2981.480695] do_syscall_64+0x1b1/0x800 [ 2981.484567] ? finish_task_switch+0x1ca/0x840 [ 2981.489048] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2981.493964] ? syscall_return_slowpath+0x30f/0x5c0 [ 2981.498884] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2981.504236] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2981.509066] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2981.514239] RIP: 0033:0x4559f9 [ 2981.517406] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2981.536741] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2981.544435] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2981.551699] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2981.558952] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 19:30:08 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x700000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:08 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x0, 0x8000}, 0x8) [ 2981.566207] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2981.573458] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 000000000000004d 19:30:08 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x10, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 2981.636399] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:08 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5000000]}, 0x18) 19:30:08 executing program 5 (fault-call:7 fault-nth:78): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 19:30:08 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x7a000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 2981.788532] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2981.806387] sctp: [Deprecated]: syz-executor3 (pid 10510) Use of struct sctp_assoc_value in delayed_ack socket option. [ 2981.806387] Use struct sctp_sack_info instead [ 2981.885154] FAULT_INJECTION: forcing a failure. [ 2981.885154] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 2981.897101] CPU: 0 PID: 10518 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2981.904046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2981.913402] Call Trace: [ 2981.916007] dump_stack+0x1b9/0x294 [ 2981.919648] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2981.924853] ? preempt_notifier_register+0x1e0/0x1e0 [ 2981.929971] should_fail.cold.4+0xa/0x1a [ 2981.934049] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2981.939169] ? graph_lock+0x170/0x170 [ 2981.942986] ? find_held_lock+0x36/0x1c0 [ 2981.947063] ? __lock_is_held+0xb5/0x140 [ 2981.951147] ? check_same_owner+0x320/0x320 [ 2981.955486] ? rcu_note_context_switch+0x710/0x710 [ 2981.960425] ? __might_sleep+0x95/0x190 [ 2981.964411] __alloc_pages_nodemask+0x34e/0xd70 [ 2981.969097] ? lock_downgrade+0x8e0/0x8e0 [ 2981.973261] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 2981.978290] ? graph_lock+0x170/0x170 [ 2981.982108] ? __lock_is_held+0xb5/0x140 [ 2981.986182] ? rcu_report_qs_rnp+0x790/0x790 [ 2981.990610] ? __lock_is_held+0xb5/0x140 [ 2981.994693] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 2982.000243] alloc_pages_current+0x10c/0x210 [ 2982.004669] __get_free_pages+0xf/0x40 [ 2982.008569] mmu_topup_memory_caches+0x1f8/0x3a0 [ 2982.013338] ? debug_check_no_locks_freed+0x310/0x310 [ 2982.018544] kvm_mmu_load+0x21/0x10e0 [ 2982.022358] ? kasan_check_write+0x14/0x20 [ 2982.026607] vcpu_enter_guest+0x3a83/0x6060 [ 2982.030942] ? print_usage_bug+0xc0/0xc0 [ 2982.035018] ? kvm_set_msr_common+0x2680/0x2680 [ 2982.039683] ? vmx_vcpu_load+0xada/0xfe0 [ 2982.043738] ? __lock_acquire+0x7f5/0x5140 [ 2982.047959] ? vmx_vcpu_reset+0x1030/0x1030 [ 2982.052265] ? graph_lock+0x170/0x170 [ 2982.056058] ? graph_lock+0x170/0x170 [ 2982.059859] ? __lock_acquire+0x7f5/0x5140 [ 2982.064086] ? debug_check_no_locks_freed+0x310/0x310 [ 2982.069264] ? __lock_is_held+0xb5/0x140 [ 2982.073324] ? lock_acquire+0x1dc/0x520 [ 2982.077292] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2982.082734] ? lock_release+0xa10/0xa10 [ 2982.086693] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2982.091956] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2982.096435] ? preempt_notifier_dec+0x20/0x20 [ 2982.100918] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2982.105745] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2982.110752] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2982.114801] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2982.120507] ? graph_lock+0x170/0x170 [ 2982.124301] ? find_held_lock+0x36/0x1c0 [ 2982.128354] ? lock_downgrade+0x8e0/0x8e0 [ 2982.132486] ? kasan_check_read+0x11/0x20 [ 2982.136623] ? rcu_is_watching+0x85/0x140 [ 2982.140773] ? rcu_report_qs_rnp+0x790/0x790 [ 2982.145194] ? __fget+0x40c/0x650 [ 2982.148651] ? find_held_lock+0x31/0x1c0 [ 2982.152722] ? expand_files.part.8+0x9a0/0x9a0 [ 2982.157311] ? kasan_check_write+0x14/0x20 [ 2982.161569] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2982.166508] ? wait_for_completion+0x870/0x870 [ 2982.171207] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2982.176394] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2982.182095] do_vfs_ioctl+0x1cf/0x16f0 [ 2982.185989] ? ioctl_preallocate+0x2e0/0x2e0 [ 2982.190395] ? fget_raw+0x20/0x20 [ 2982.193842] ? __sb_end_write+0xac/0xe0 [ 2982.197801] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2982.203319] ? fput+0x130/0x1a0 [ 2982.206582] ? ksys_write+0x1a6/0x250 [ 2982.210368] ? security_file_ioctl+0x94/0xc0 [ 2982.214772] ksys_ioctl+0xa9/0xd0 [ 2982.218217] __x64_sys_ioctl+0x73/0xb0 [ 2982.222093] do_syscall_64+0x1b1/0x800 [ 2982.225960] ? finish_task_switch+0x1ca/0x840 [ 2982.230451] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2982.235362] ? syscall_return_slowpath+0x30f/0x5c0 [ 2982.240278] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2982.245628] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2982.250457] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2982.255629] RIP: 0033:0x4559f9 [ 2982.258799] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2982.278071] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 19:30:09 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:09 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe000000]}, 0x18) 19:30:09 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x6c00], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:09 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) recvfrom$ipx(r3, &(0x7f0000000140)=""/54, 0x36, 0x12002, 0x0, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:09 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x71, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:09 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x0, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:09 executing program 5 (fault-call:7 fault-nth:79): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 19:30:09 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) r3 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/mixer\x00', 0x0, 0x0) ioctl$KVM_GET_DEVICE_ATTR(r3, 0x4018aee2, &(0x7f0000000180)={0x0, 0x1, 0x9, &(0x7f0000000140)=0x54}) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 2982.285764] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2982.293028] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2982.300294] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2982.307645] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2982.314898] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 000000000000004e 19:30:09 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2400]}, 0x18) [ 2982.382354] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2982.449810] FAULT_INJECTION: forcing a failure. [ 2982.449810] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 2982.461853] CPU: 1 PID: 10553 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2982.468791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2982.478150] Call Trace: [ 2982.480756] dump_stack+0x1b9/0x294 [ 2982.484407] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2982.489610] ? lock_downgrade+0x8e0/0x8e0 [ 2982.493802] should_fail.cold.4+0xa/0x1a [ 2982.497878] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2982.502997] ? rcu_report_qs_rnp+0x790/0x790 [ 2982.507419] ? graph_lock+0x170/0x170 [ 2982.511232] ? is_bpf_text_address+0xd7/0x170 [ 2982.515740] ? find_held_lock+0x36/0x1c0 [ 2982.519816] ? __lock_is_held+0xb5/0x140 [ 2982.523896] ? check_same_owner+0x320/0x320 [ 2982.528225] ? rcu_note_context_switch+0x710/0x710 [ 2982.533164] ? __might_sleep+0x95/0x190 [ 2982.537154] __alloc_pages_nodemask+0x34e/0xd70 [ 2982.541833] ? lock_downgrade+0x8e0/0x8e0 [ 2982.545993] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 2982.551028] ? graph_lock+0x170/0x170 [ 2982.554836] ? __lock_is_held+0xb5/0x140 [ 2982.558912] ? rcu_report_qs_rnp+0x790/0x790 [ 2982.563429] ? __lock_is_held+0xb5/0x140 [ 2982.567510] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 2982.573067] alloc_pages_current+0x10c/0x210 [ 2982.577497] __get_free_pages+0xf/0x40 [ 2982.581397] mmu_topup_memory_caches+0x1f8/0x3a0 [ 2982.586166] ? debug_check_no_locks_freed+0x310/0x310 [ 2982.591372] kvm_mmu_load+0x21/0x10e0 [ 2982.595181] ? kasan_check_write+0x14/0x20 19:30:09 executing program 1 (fault-call:7 fault-nth:0): r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:09 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x2, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 2982.599426] vcpu_enter_guest+0x3a83/0x6060 [ 2982.603757] ? print_usage_bug+0xc0/0xc0 [ 2982.607835] ? kvm_set_msr_common+0x2680/0x2680 [ 2982.612510] ? vmx_vcpu_load+0xada/0xfe0 [ 2982.616601] ? __lock_acquire+0x7f5/0x5140 [ 2982.620844] ? vmx_vcpu_reset+0x1030/0x1030 [ 2982.625166] ? graph_lock+0x170/0x170 [ 2982.628970] ? graph_lock+0x170/0x170 [ 2982.632774] ? __lock_acquire+0x7f5/0x5140 [ 2982.637017] ? debug_check_no_locks_freed+0x310/0x310 [ 2982.642219] ? __lock_is_held+0xb5/0x140 [ 2982.646290] ? lock_acquire+0x1dc/0x520 [ 2982.650271] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2982.655297] ? lock_release+0xa10/0xa10 [ 2982.659279] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2982.664570] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2982.668871] FAULT_INJECTION: forcing a failure. [ 2982.668871] name failslab, interval 1, probability 0, space 0, times 0 [ 2982.669063] ? preempt_notifier_dec+0x20/0x20 [ 2982.669092] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2982.689576] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2982.694596] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2982.698654] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2982.704359] ? graph_lock+0x170/0x170 [ 2982.708158] ? find_held_lock+0x36/0x1c0 [ 2982.712220] ? lock_downgrade+0x8e0/0x8e0 [ 2982.716366] ? kasan_check_read+0x11/0x20 [ 2982.720510] ? rcu_is_watching+0x85/0x140 [ 2982.724658] ? rcu_report_qs_rnp+0x790/0x790 [ 2982.729070] ? __fget+0x40c/0x650 [ 2982.732524] ? find_held_lock+0x31/0x1c0 [ 2982.736579] ? expand_files.part.8+0x9a0/0x9a0 [ 2982.741166] ? kasan_check_write+0x14/0x20 [ 2982.745396] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2982.750321] ? wait_for_completion+0x870/0x870 [ 2982.754896] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2982.760084] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2982.765788] do_vfs_ioctl+0x1cf/0x16f0 [ 2982.769672] ? ioctl_preallocate+0x2e0/0x2e0 [ 2982.774074] ? fget_raw+0x20/0x20 [ 2982.777541] ? __sb_end_write+0xac/0xe0 [ 2982.781600] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2982.787129] ? fput+0x130/0x1a0 [ 2982.790403] ? ksys_write+0x1a6/0x250 [ 2982.794212] ? security_file_ioctl+0x94/0xc0 [ 2982.798619] ksys_ioctl+0xa9/0xd0 [ 2982.802069] __x64_sys_ioctl+0x73/0xb0 [ 2982.805952] do_syscall_64+0x1b1/0x800 [ 2982.809846] ? finish_task_switch+0x1ca/0x840 [ 2982.814339] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2982.819264] ? syscall_return_slowpath+0x30f/0x5c0 [ 2982.824196] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2982.829566] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2982.834412] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2982.839592] RIP: 0033:0x4559f9 [ 2982.842767] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2982.862091] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2982.869794] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2982.877055] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2982.884317] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2982.891576] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2982.898837] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 000000000000004f [ 2982.906118] CPU: 0 PID: 10563 Comm: syz-executor1 Not tainted 4.17.0+ #89 [ 2982.913053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2982.922412] Call Trace: [ 2982.925011] dump_stack+0x1b9/0x294 [ 2982.928642] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2982.933842] ? unlock_page_memcg+0x2c/0x40 [ 2982.938089] ? page_add_file_rmap+0x779/0xe20 [ 2982.942589] ? print_usage_bug+0xc0/0xc0 [ 2982.946663] should_fail.cold.4+0xa/0x1a [ 2982.950731] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2982.955847] ? print_usage_bug+0xc0/0xc0 [ 2982.959896] ? __lockdep_init_map+0x105/0x590 [ 2982.964378] ? graph_lock+0x170/0x170 [ 2982.968168] ? find_held_lock+0x36/0x1c0 [ 2982.972218] ? __lock_is_held+0xb5/0x140 [ 2982.976270] ? check_same_owner+0x320/0x320 [ 2982.980577] ? rcu_note_context_switch+0x710/0x710 [ 2982.985490] ? lock_downgrade+0x8e0/0x8e0 [ 2982.989627] __should_failslab+0x124/0x180 [ 2982.993848] should_failslab+0x9/0x14 [ 2982.997640] kmem_cache_alloc_trace+0x2cb/0x780 [ 2983.002303] ? mark_held_locks+0xc9/0x160 [ 2983.006440] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2983.011965] sctp_stream_init_ext+0x50/0xf0 [ 2983.016273] sctp_sched_set_value+0x158/0x1b0 [ 2983.020757] sctp_setsockopt+0x3ef3/0x6b00 [ 2983.024977] ? __lock_acquire+0x7f5/0x5140 [ 2983.029200] ? sctp_setsockopt_paddr_thresholds+0x560/0x560 [ 2983.034897] ? debug_check_no_locks_freed+0x310/0x310 [ 2983.040073] ? find_get_entries_tag+0x10a0/0x10a0 [ 2983.044905] ? debug_check_no_locks_freed+0x310/0x310 [ 2983.050095] ? debug_check_no_locks_freed+0x310/0x310 [ 2983.055273] ? print_usage_bug+0xc0/0xc0 [ 2983.059319] ? graph_lock+0x170/0x170 [ 2983.063106] ? graph_lock+0x170/0x170 [ 2983.066891] ? lock_acquire+0x1dc/0x520 [ 2983.070851] ? __fdget_pos+0x1a9/0x1e0 [ 2983.074720] ? graph_lock+0x170/0x170 [ 2983.078507] ? graph_lock+0x170/0x170 [ 2983.082312] ? __lock_acquire+0x7f5/0x5140 [ 2983.086542] ? find_held_lock+0x36/0x1c0 [ 2983.090588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 2983.096110] ? _parse_integer+0x13b/0x190 [ 2983.100246] ? find_held_lock+0x36/0x1c0 [ 2983.104298] ? lock_downgrade+0x8e0/0x8e0 [ 2983.108430] ? find_held_lock+0x36/0x1c0 [ 2983.112479] ? kasan_check_read+0x11/0x20 [ 2983.116611] ? rcu_is_watching+0x85/0x140 [ 2983.120743] ? rcu_report_qs_rnp+0x790/0x790 [ 2983.125150] ? __fget+0x40c/0x650 [ 2983.128593] ? expand_files.part.8+0x9a0/0x9a0 [ 2983.133168] ? lock_downgrade+0x8e0/0x8e0 [ 2983.137302] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2983.142823] ? proc_fail_nth_write+0x96/0x1f0 [ 2983.147302] ? proc_cwd_link+0x1d0/0x1d0 [ 2983.151354] ? __fget_light+0x2ef/0x430 [ 2983.155313] ? fget_raw+0x20/0x20 [ 2983.158754] ? wait_for_completion+0x870/0x870 [ 2983.163322] ? __lock_is_held+0xb5/0x140 [ 2983.167375] sock_common_setsockopt+0x9a/0xe0 [ 2983.171858] __sys_setsockopt+0x1bd/0x390 [ 2983.175994] ? kernel_accept+0x310/0x310 [ 2983.180047] ? ksys_write+0x1a6/0x250 [ 2983.183849] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 2983.188677] __x64_sys_setsockopt+0xbe/0x150 [ 2983.193073] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 2983.198074] do_syscall_64+0x1b1/0x800 [ 2983.201945] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 2983.206773] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2983.211688] ? syscall_return_slowpath+0x30f/0x5c0 [ 2983.216615] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2983.221981] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2983.226812] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2983.231988] RIP: 0033:0x4559f9 19:30:10 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x63]}, 0x18) 19:30:10 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x2000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:10 executing program 5 (fault-call:7 fault-nth:80): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) [ 2983.235158] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2983.254385] RSP: 002b:00007f77b8994c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 2983.262079] RAX: ffffffffffffffda RBX: 00007f77b89956d4 RCX: 00000000004559f9 [ 2983.269330] RDX: 000000000000007c RSI: 0000000000000084 RDI: 0000000000000015 [ 2983.276599] RBP: 000000000072bea0 R08: 0000000000000008 R09: 0000000000000000 [ 2983.283851] R10: 0000000020000180 R11: 0000000000000246 R12: 0000000000000016 [ 2983.291112] R13: 00000000004c6af0 R14: 00000000004d1590 R15: 0000000000000000 19:30:10 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200), 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:10 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x14, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 2983.375446] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2983.522587] FAULT_INJECTION: forcing a failure. [ 2983.522587] name failslab, interval 1, probability 0, space 0, times 0 [ 2983.533909] CPU: 1 PID: 10581 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2983.540843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2983.550207] Call Trace: [ 2983.552807] dump_stack+0x1b9/0x294 [ 2983.556449] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2983.561645] ? graph_lock+0x170/0x170 [ 2983.565457] ? __lock_is_held+0xb5/0x140 [ 2983.569534] should_fail.cold.4+0xa/0x1a [ 2983.573605] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2983.578715] ? __lock_is_held+0xb5/0x140 [ 2983.582787] ? graph_lock+0x170/0x170 [ 2983.586598] ? find_held_lock+0x36/0x1c0 [ 2983.590667] ? __lock_is_held+0xb5/0x140 [ 2983.594743] ? check_same_owner+0x320/0x320 [ 2983.599072] ? rcu_note_context_switch+0x710/0x710 [ 2983.604022] __should_failslab+0x124/0x180 [ 2983.608288] should_failslab+0x9/0x14 [ 2983.612097] kmem_cache_alloc+0x2af/0x760 [ 2983.616256] ? alloc_pages_current+0x114/0x210 [ 2983.620853] mmu_topup_memory_caches+0x2fa/0x3a0 [ 2983.625623] ? debug_check_no_locks_freed+0x310/0x310 [ 2983.630827] kvm_mmu_load+0x21/0x10e0 [ 2983.634638] ? kasan_check_write+0x14/0x20 [ 2983.638890] vcpu_enter_guest+0x3a83/0x6060 [ 2983.643223] ? print_usage_bug+0xc0/0xc0 [ 2983.647298] ? kvm_set_msr_common+0x2680/0x2680 [ 2983.651972] ? vmx_vcpu_load+0xada/0xfe0 [ 2983.656054] ? __lock_acquire+0x7f5/0x5140 [ 2983.660730] ? vmx_vcpu_reset+0x1030/0x1030 [ 2983.665070] ? graph_lock+0x170/0x170 [ 2983.668878] ? graph_lock+0x170/0x170 [ 2983.672675] ? __lock_acquire+0x7f5/0x5140 [ 2983.676903] ? debug_check_no_locks_freed+0x310/0x310 [ 2983.682083] ? __lock_is_held+0xb5/0x140 [ 2983.686139] ? lock_acquire+0x1dc/0x520 [ 2983.690097] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2983.695101] ? lock_release+0xa10/0xa10 [ 2983.699058] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2983.704317] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2983.708794] ? preempt_notifier_dec+0x20/0x20 [ 2983.713276] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2983.718117] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2983.723121] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2983.727166] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2983.732858] ? graph_lock+0x170/0x170 [ 2983.736651] ? find_held_lock+0x36/0x1c0 [ 2983.740699] ? lock_downgrade+0x8e0/0x8e0 [ 2983.744832] ? kasan_check_read+0x11/0x20 [ 2983.748965] ? rcu_is_watching+0x85/0x140 [ 2983.753097] ? rcu_report_qs_rnp+0x790/0x790 [ 2983.757511] ? __fget+0x40c/0x650 [ 2983.760959] ? find_held_lock+0x31/0x1c0 [ 2983.765005] ? expand_files.part.8+0x9a0/0x9a0 [ 2983.769576] ? kasan_check_write+0x14/0x20 [ 2983.773794] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2983.778708] ? wait_for_completion+0x870/0x870 [ 2983.783288] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2983.788488] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2983.794185] do_vfs_ioctl+0x1cf/0x16f0 [ 2983.798061] ? ioctl_preallocate+0x2e0/0x2e0 [ 2983.802462] ? fget_raw+0x20/0x20 [ 2983.805896] ? __sb_end_write+0xac/0xe0 [ 2983.809881] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2983.815410] ? fput+0x130/0x1a0 [ 2983.818678] ? ksys_write+0x1a6/0x250 [ 2983.822471] ? security_file_ioctl+0x94/0xc0 [ 2983.826879] ksys_ioctl+0xa9/0xd0 [ 2983.830318] __x64_sys_ioctl+0x73/0xb0 [ 2983.834189] do_syscall_64+0x1b1/0x800 [ 2983.838067] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 2983.842900] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2983.847820] ? syscall_return_slowpath+0x30f/0x5c0 [ 2983.852735] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2983.858091] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2983.862920] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2983.868091] RIP: 0033:0x4559f9 [ 2983.871270] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2983.890486] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2983.898187] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2983.905445] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2983.912700] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2983.919957] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2983.927640] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 0000000000000050 19:30:11 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x72]}, 0x18) 19:30:11 executing program 1 (fault-call:7 fault-nth:1): r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:11 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x68], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:11 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x1) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:11 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x9, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:11 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = syz_open_dev$mice(&(0x7f0000000140)='/dev/input/mice\x00', 0x0, 0x115280) r2 = getpgid(0x0) ioctl$TIOCSPGRP(r1, 0x5410, &(0x7f0000000180)=r2) r3 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r3, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r3, 0x6) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r3, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r5 = accept4(r3, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x80, 0x800) sendto$inet6(r4, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r5, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:11 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200), 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:11 executing program 5 (fault-call:7 fault-nth:81): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) [ 2984.298353] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2984.338262] FAULT_INJECTION: forcing a failure. [ 2984.338262] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 2984.350203] CPU: 1 PID: 10601 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2984.357151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2984.366513] Call Trace: [ 2984.369103] dump_stack+0x1b9/0x294 [ 2984.372726] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2984.377905] ? find_held_lock+0x36/0x1c0 [ 2984.381957] should_fail.cold.4+0xa/0x1a [ 2984.386044] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2984.391143] ? find_held_lock+0x36/0x1c0 [ 2984.395192] ? graph_lock+0x170/0x170 [ 2984.398979] ? lock_acquire+0x1dc/0x520 [ 2984.402943] ? lock_downgrade+0x8e0/0x8e0 [ 2984.407082] ? find_held_lock+0x36/0x1c0 [ 2984.411236] __alloc_pages_nodemask+0x34e/0xd70 [ 2984.415893] ? kasan_check_read+0x11/0x20 [ 2984.420032] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 2984.425042] ? rcu_read_unlock+0x35/0x70 [ 2984.429105] ? __lock_is_held+0xb5/0x140 [ 2984.433159] ? check_same_owner+0x320/0x320 [ 2984.437467] cache_grow_begin+0x6e/0x6c0 [ 2984.441523] kmem_cache_alloc+0x689/0x760 [ 2984.445662] ? alloc_pages_current+0x114/0x210 [ 2984.450234] mmu_topup_memory_caches+0x2fa/0x3a0 [ 2984.454978] ? debug_check_no_locks_freed+0x310/0x310 [ 2984.460159] kvm_mmu_load+0x21/0x10e0 [ 2984.463950] ? kasan_check_write+0x14/0x20 [ 2984.468173] vcpu_enter_guest+0x3a83/0x6060 [ 2984.472480] ? print_usage_bug+0xc0/0xc0 [ 2984.476534] ? kvm_set_msr_common+0x2680/0x2680 [ 2984.481189] ? vmx_vcpu_load+0xada/0xfe0 [ 2984.485236] ? __lock_acquire+0x7f5/0x5140 [ 2984.489459] ? vmx_vcpu_reset+0x1030/0x1030 [ 2984.493766] ? graph_lock+0x170/0x170 [ 2984.497554] ? graph_lock+0x170/0x170 [ 2984.501342] ? __lock_acquire+0x7f5/0x5140 [ 2984.505566] ? debug_check_no_locks_freed+0x310/0x310 [ 2984.510746] ? __lock_is_held+0xb5/0x140 [ 2984.514804] ? lock_acquire+0x1dc/0x520 [ 2984.518775] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2984.523788] ? lock_release+0xa10/0xa10 [ 2984.527749] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2984.533015] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2984.537497] ? preempt_notifier_dec+0x20/0x20 [ 2984.541984] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2984.546821] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2984.551838] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2984.555887] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2984.561583] ? graph_lock+0x170/0x170 [ 2984.565372] ? find_held_lock+0x36/0x1c0 [ 2984.569425] ? lock_downgrade+0x8e0/0x8e0 [ 2984.573571] ? kasan_check_read+0x11/0x20 [ 2984.577714] ? rcu_is_watching+0x85/0x140 [ 2984.581850] ? rcu_report_qs_rnp+0x790/0x790 [ 2984.586250] ? __fget+0x40c/0x650 [ 2984.589693] ? find_held_lock+0x31/0x1c0 [ 2984.593743] ? expand_files.part.8+0x9a0/0x9a0 [ 2984.598310] ? kasan_check_write+0x14/0x20 [ 2984.602530] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2984.607448] ? wait_for_completion+0x870/0x870 [ 2984.612024] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2984.617213] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2984.622919] do_vfs_ioctl+0x1cf/0x16f0 [ 2984.626800] ? ioctl_preallocate+0x2e0/0x2e0 [ 2984.631194] ? fget_raw+0x20/0x20 [ 2984.634633] ? __sb_end_write+0xac/0xe0 [ 2984.638594] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2984.644112] ? fput+0x130/0x1a0 [ 2984.647380] ? ksys_write+0x1a6/0x250 [ 2984.651185] ? security_file_ioctl+0x94/0xc0 [ 2984.655590] ksys_ioctl+0xa9/0xd0 [ 2984.659037] __x64_sys_ioctl+0x73/0xb0 [ 2984.662925] do_syscall_64+0x1b1/0x800 [ 2984.666801] ? finish_task_switch+0x1ca/0x840 [ 2984.671286] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2984.676205] ? syscall_return_slowpath+0x30f/0x5c0 [ 2984.681125] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2984.686475] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2984.691306] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2984.696481] RIP: 0033:0x4559f9 [ 2984.699652] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2984.718890] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2984.726675] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2984.733929] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2984.741181] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2984.748445] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2984.755700] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 0000000000000051 19:30:11 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff97]}, 0x18) 19:30:11 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x80ffffff00000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:11 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:11 executing program 5 (fault-call:7 fault-nth:82): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) [ 2984.882399] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:11 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x1e, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:11 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:11 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x69]}, 0x18) 19:30:11 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x1e, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 2985.012262] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2985.050807] FAULT_INJECTION: forcing a failure. [ 2985.050807] name failslab, interval 1, probability 0, space 0, times 0 [ 2985.062133] CPU: 1 PID: 10632 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2985.069065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2985.078426] Call Trace: [ 2985.081035] dump_stack+0x1b9/0x294 [ 2985.084680] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2985.089882] ? __save_stack_trace+0x7e/0xd0 [ 2985.094222] should_fail.cold.4+0xa/0x1a [ 2985.098312] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2985.103441] ? kasan_kmalloc+0xc4/0xe0 [ 2985.107325] ? kasan_slab_alloc+0x12/0x20 [ 2985.111461] ? kmem_cache_alloc+0x12e/0x760 [ 2985.115778] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2985.120702] ? kvm_mmu_load+0x21/0x10e0 [ 2985.124678] ? vcpu_enter_guest+0x3a83/0x6060 [ 2985.129169] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2985.134182] ? graph_lock+0x170/0x170 [ 2985.137971] ? do_syscall_64+0x1b1/0x800 [ 2985.142034] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2985.147388] ? find_held_lock+0x36/0x1c0 [ 2985.151439] ? __lock_is_held+0xb5/0x140 [ 2985.155494] ? check_same_owner+0x320/0x320 [ 2985.159804] ? rcu_note_context_switch+0x710/0x710 [ 2985.164734] __should_failslab+0x124/0x180 [ 2985.168971] should_failslab+0x9/0x14 [ 2985.172759] kmem_cache_alloc+0x2af/0x760 [ 2985.176898] ? alloc_pages_current+0x114/0x210 [ 2985.181477] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2985.186397] mmu_topup_memory_caches+0x2fa/0x3a0 [ 2985.191141] ? debug_check_no_locks_freed+0x310/0x310 [ 2985.196320] kvm_mmu_load+0x21/0x10e0 [ 2985.200109] ? kasan_check_write+0x14/0x20 [ 2985.204334] vcpu_enter_guest+0x3a83/0x6060 [ 2985.208643] ? print_usage_bug+0xc0/0xc0 [ 2985.212692] ? kvm_set_msr_common+0x2680/0x2680 [ 2985.217394] ? vmx_vcpu_load+0xada/0xfe0 [ 2985.221441] ? __lock_acquire+0x7f5/0x5140 [ 2985.225670] ? vmx_vcpu_reset+0x1030/0x1030 [ 2985.229977] ? graph_lock+0x170/0x170 [ 2985.233763] ? graph_lock+0x170/0x170 [ 2985.237551] ? __lock_acquire+0x7f5/0x5140 [ 2985.241777] ? debug_check_no_locks_freed+0x310/0x310 [ 2985.246961] ? __lock_is_held+0xb5/0x140 [ 2985.251014] ? lock_acquire+0x1dc/0x520 [ 2985.254978] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2985.259995] ? lock_release+0xa10/0xa10 [ 2985.263959] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2985.269225] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2985.273704] ? preempt_notifier_dec+0x20/0x20 [ 2985.278196] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2985.283039] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2985.288051] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2985.292103] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2985.297819] ? graph_lock+0x170/0x170 [ 2985.301606] ? find_held_lock+0x36/0x1c0 [ 2985.305666] ? lock_downgrade+0x8e0/0x8e0 [ 2985.309814] ? kasan_check_read+0x11/0x20 [ 2985.313947] ? rcu_is_watching+0x85/0x140 [ 2985.318081] ? rcu_report_qs_rnp+0x790/0x790 [ 2985.322480] ? __fget+0x40c/0x650 [ 2985.325923] ? find_held_lock+0x31/0x1c0 [ 2985.329981] ? expand_files.part.8+0x9a0/0x9a0 [ 2985.334550] ? kasan_check_write+0x14/0x20 [ 2985.338788] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2985.343717] ? wait_for_completion+0x870/0x870 [ 2985.348291] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2985.353467] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2985.359166] do_vfs_ioctl+0x1cf/0x16f0 [ 2985.363046] ? ioctl_preallocate+0x2e0/0x2e0 [ 2985.367441] ? fget_raw+0x20/0x20 [ 2985.370879] ? __sb_end_write+0xac/0xe0 [ 2985.374853] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2985.380373] ? fput+0x130/0x1a0 [ 2985.383642] ? ksys_write+0x1a6/0x250 [ 2985.387434] ? security_file_ioctl+0x94/0xc0 [ 2985.391840] ksys_ioctl+0xa9/0xd0 [ 2985.395287] __x64_sys_ioctl+0x73/0xb0 [ 2985.399163] do_syscall_64+0x1b1/0x800 [ 2985.403040] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 2985.407871] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2985.412790] ? syscall_return_slowpath+0x30f/0x5c0 [ 2985.417721] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2985.423089] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2985.427927] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2985.433108] RIP: 0033:0x4559f9 [ 2985.436292] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2985.455520] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 19:30:12 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) setsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xc, &(0x7f0000000040)=0x6, 0x4) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000440)=""/222, 0xde, 0x0, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x14) [ 2985.463218] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2985.470481] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2985.477736] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2985.485001] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2985.492279] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 0000000000000052 19:30:12 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x7400], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:12 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200), 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) [ 2985.630913] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:13 executing program 5 (fault-call:7 fault-nth:83): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 19:30:13 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8913, &(0x7f0000000140)="02e6dc34538f010000000000000000000000000000000000") connect$inet6(r0, &(0x7f0000000180)={0xa, 0x4e21, 0x1, @local={0xfe, 0x80, [], 0xaa}, 0x1800000000}, 0x1c) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) openat$mixer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/mixer\x00', 0x0, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(0xffffffffffffffff, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:13 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000]}, 0x18) 19:30:13 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0xd, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:13 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff5], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:13 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0xd, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:13 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x140) setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f00000001c0)=[@in6={0xa, 0x4e22, 0x6, @mcast2={0xff, 0x2, [], 0x1}, 0x7}], 0xfffffffffffffd44) getsockopt$IP6T_SO_GET_INFO(r0, 0x29, 0x40, &(0x7f0000000140)={'nat\x00'}, &(0x7f0000000000)=0x54) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:13 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) [ 2986.591287] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:13 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xb5ffffff]}, 0x18) 19:30:13 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x60], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 2986.706141] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2986.717659] FAULT_INJECTION: forcing a failure. [ 2986.717659] name failslab, interval 1, probability 0, space 0, times 0 [ 2986.728989] CPU: 1 PID: 10689 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2986.735941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2986.745292] Call Trace: [ 2986.747877] dump_stack+0x1b9/0x294 [ 2986.751495] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2986.756683] ? __save_stack_trace+0x7e/0xd0 [ 2986.760996] should_fail.cold.4+0xa/0x1a [ 2986.765047] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2986.770135] ? kasan_kmalloc+0xc4/0xe0 [ 2986.774023] ? kasan_slab_alloc+0x12/0x20 [ 2986.778160] ? kmem_cache_alloc+0x12e/0x760 [ 2986.782472] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2986.787389] ? kvm_mmu_load+0x21/0x10e0 [ 2986.791350] ? vcpu_enter_guest+0x3a83/0x6060 [ 2986.795845] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2986.800865] ? graph_lock+0x170/0x170 [ 2986.804659] ? do_syscall_64+0x1b1/0x800 [ 2986.808707] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2986.814065] ? find_held_lock+0x36/0x1c0 [ 2986.818115] ? __lock_is_held+0xb5/0x140 [ 2986.822188] ? check_same_owner+0x320/0x320 [ 2986.826495] ? rcu_note_context_switch+0x710/0x710 [ 2986.831414] __should_failslab+0x124/0x180 [ 2986.835637] should_failslab+0x9/0x14 [ 2986.839439] kmem_cache_alloc+0x2af/0x760 [ 2986.843578] ? alloc_pages_current+0x114/0x210 [ 2986.848157] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2986.853075] mmu_topup_memory_caches+0x2fa/0x3a0 [ 2986.857835] kvm_mmu_load+0x21/0x10e0 [ 2986.861625] ? vcpu_enter_guest+0x296a/0x6060 [ 2986.866112] vcpu_enter_guest+0x3a83/0x6060 [ 2986.870426] ? kvm_set_msr_common+0x2680/0x2680 [ 2986.875082] ? vmx_vcpu_load+0xada/0xfe0 [ 2986.879132] ? __lock_acquire+0x7f5/0x5140 [ 2986.883366] ? vmx_vcpu_reset+0x1030/0x1030 [ 2986.887673] ? graph_lock+0x170/0x170 [ 2986.891459] ? graph_lock+0x170/0x170 [ 2986.895244] ? __lock_acquire+0x7f5/0x5140 [ 2986.899470] ? debug_check_no_locks_freed+0x310/0x310 [ 2986.904659] ? __lock_is_held+0xb5/0x140 [ 2986.908716] ? lock_acquire+0x1dc/0x520 [ 2986.912681] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2986.917690] ? lock_release+0xa10/0xa10 [ 2986.921651] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2986.926918] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2986.931398] ? preempt_notifier_dec+0x20/0x20 [ 2986.935885] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2986.940724] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2986.945735] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2986.949786] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2986.955486] ? graph_lock+0x170/0x170 [ 2986.959282] ? find_held_lock+0x36/0x1c0 [ 2986.963335] ? lock_downgrade+0x8e0/0x8e0 [ 2986.967471] ? kasan_check_read+0x11/0x20 [ 2986.971607] ? rcu_is_watching+0x85/0x140 [ 2986.975761] ? rcu_report_qs_rnp+0x790/0x790 [ 2986.980173] ? __fget+0x40c/0x650 [ 2986.983614] ? find_held_lock+0x31/0x1c0 [ 2986.987664] ? expand_files.part.8+0x9a0/0x9a0 [ 2986.992238] ? kasan_check_write+0x14/0x20 [ 2986.996462] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2987.001387] ? wait_for_completion+0x870/0x870 [ 2987.005956] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2987.011139] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2987.016837] do_vfs_ioctl+0x1cf/0x16f0 [ 2987.020715] ? ioctl_preallocate+0x2e0/0x2e0 [ 2987.025107] ? fget_raw+0x20/0x20 [ 2987.028548] ? __sb_end_write+0xac/0xe0 [ 2987.032510] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2987.038035] ? fput+0x130/0x1a0 [ 2987.041303] ? ksys_write+0x1a6/0x250 [ 2987.045105] ? security_file_ioctl+0x94/0xc0 [ 2987.049513] ksys_ioctl+0xa9/0xd0 [ 2987.052966] __x64_sys_ioctl+0x73/0xb0 [ 2987.056850] do_syscall_64+0x1b1/0x800 [ 2987.060721] ? finish_task_switch+0x1ca/0x840 [ 2987.065212] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2987.070146] ? syscall_return_slowpath+0x30f/0x5c0 [ 2987.075067] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2987.080421] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2987.085253] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2987.090434] RIP: 0033:0x4559f9 19:30:13 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) mlock2(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x1) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) r4 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vcs\x00', 0x100, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT(r4, 0x404c534a, &(0x7f0000000180)={0x2, 0x5, 0x12e}) [ 2987.093601] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2987.112829] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2987.120534] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2987.127788] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2987.135041] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2987.142295] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2987.149548] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 0000000000000053 19:30:14 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x3, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:14 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x600000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 2987.297994] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:14 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x57000000]}, 0x18) 19:30:14 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x22, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:14 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x77, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:14 executing program 5 (fault-call:7 fault-nth:84): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 19:30:14 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x800000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:14 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000140)='net\x00') ioctl$DRM_IOCTL_INFO_BUFS(r3, 0xc0106418, &(0x7f0000000180)={0x7, 0x4, 0x2, 0x0, 0x2, 0x3ff}) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r4 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r4, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:14 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:14 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0}, &(0x7f0000000280)=0xc) ptrace$peekuser(0x3, r1, 0x3) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) r4 = request_key(&(0x7f0000000000)='user\x00', &(0x7f0000000140)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000180)="2570726f63266e6f646576776c616e31a82300", 0x0) socket(0x0, 0x2, 0x0) keyctl$update(0x2, r4, &(0x7f00000001c0)="2f6c2f56b878dc96cc1142cd3ddcae65af1e55a4b93562c92b947222ab3592dca97012562791ec6bad14540c1e539982aad1e4a9a0b0042871bcdc40f19d8b95a3", 0x41) [ 2988.216557] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2988.262392] FAULT_INJECTION: forcing a failure. [ 2988.262392] name failslab, interval 1, probability 0, space 0, times 0 [ 2988.273693] CPU: 1 PID: 10730 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2988.280626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2988.289982] Call Trace: [ 2988.292580] dump_stack+0x1b9/0x294 [ 2988.296201] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2988.301391] ? __save_stack_trace+0x7e/0xd0 [ 2988.305709] should_fail.cold.4+0xa/0x1a [ 2988.309800] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2988.314893] ? kasan_kmalloc+0xc4/0xe0 [ 2988.319033] ? kasan_slab_alloc+0x12/0x20 [ 2988.323167] ? kmem_cache_alloc+0x12e/0x760 [ 2988.327515] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2988.332433] ? kvm_mmu_load+0x21/0x10e0 [ 2988.336406] ? vcpu_enter_guest+0x3a83/0x6060 [ 2988.340891] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2988.345895] ? graph_lock+0x170/0x170 [ 2988.349688] ? do_syscall_64+0x1b1/0x800 [ 2988.353739] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2988.359091] ? find_held_lock+0x36/0x1c0 [ 2988.363141] ? __lock_is_held+0xb5/0x140 [ 2988.367193] ? check_same_owner+0x320/0x320 [ 2988.371501] ? rcu_note_context_switch+0x710/0x710 [ 2988.376422] __should_failslab+0x124/0x180 [ 2988.380643] should_failslab+0x9/0x14 [ 2988.384441] kmem_cache_alloc+0x2af/0x760 [ 2988.388578] ? alloc_pages_current+0x114/0x210 [ 2988.393149] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2988.398085] mmu_topup_memory_caches+0x2fa/0x3a0 [ 2988.402826] ? debug_check_no_locks_freed+0x310/0x310 [ 2988.408012] kvm_mmu_load+0x21/0x10e0 [ 2988.411813] ? kasan_check_write+0x14/0x20 [ 2988.416042] vcpu_enter_guest+0x3a83/0x6060 [ 2988.420367] ? print_usage_bug+0xc0/0xc0 [ 2988.424421] ? kvm_set_msr_common+0x2680/0x2680 [ 2988.429088] ? vmx_vcpu_load+0xada/0xfe0 [ 2988.433136] ? __lock_acquire+0x7f5/0x5140 [ 2988.437355] ? vmx_vcpu_reset+0x1030/0x1030 [ 2988.441664] ? graph_lock+0x170/0x170 [ 2988.445469] ? graph_lock+0x170/0x170 [ 2988.449264] ? __lock_acquire+0x7f5/0x5140 [ 2988.453491] ? debug_check_no_locks_freed+0x310/0x310 [ 2988.458669] ? __lock_is_held+0xb5/0x140 [ 2988.462717] ? lock_acquire+0x1dc/0x520 [ 2988.466677] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2988.471679] ? lock_release+0xa10/0xa10 [ 2988.475642] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2988.480910] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2988.485392] ? preempt_notifier_dec+0x20/0x20 [ 2988.489880] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2988.494709] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2988.499717] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2988.503778] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2988.509487] ? graph_lock+0x170/0x170 [ 2988.513276] ? find_held_lock+0x36/0x1c0 [ 2988.517331] ? lock_downgrade+0x8e0/0x8e0 [ 2988.521469] ? kasan_check_read+0x11/0x20 [ 2988.525601] ? rcu_is_watching+0x85/0x140 [ 2988.529734] ? rcu_report_qs_rnp+0x790/0x790 [ 2988.534142] ? __fget+0x40c/0x650 [ 2988.537581] ? find_held_lock+0x31/0x1c0 [ 2988.541637] ? expand_files.part.8+0x9a0/0x9a0 [ 2988.546204] ? kasan_check_write+0x14/0x20 [ 2988.550429] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2988.555344] ? wait_for_completion+0x870/0x870 [ 2988.559922] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2988.565098] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2988.570796] do_vfs_ioctl+0x1cf/0x16f0 [ 2988.574672] ? ioctl_preallocate+0x2e0/0x2e0 [ 2988.579068] ? fget_raw+0x20/0x20 [ 2988.582507] ? __sb_end_write+0xac/0xe0 [ 2988.586473] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2988.592001] ? fput+0x130/0x1a0 [ 2988.595276] ? ksys_write+0x1a6/0x250 [ 2988.599067] ? security_file_ioctl+0x94/0xc0 [ 2988.603564] ksys_ioctl+0xa9/0xd0 [ 2988.607011] __x64_sys_ioctl+0x73/0xb0 [ 2988.610889] do_syscall_64+0x1b1/0x800 [ 2988.614760] ? finish_task_switch+0x1ca/0x840 [ 2988.619241] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2988.624158] ? syscall_return_slowpath+0x30f/0x5c0 [ 2988.629080] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2988.634441] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2988.639272] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2988.644444] RIP: 0033:0x4559f9 [ 2988.647616] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2988.666850] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2988.674546] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2988.681801] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2988.689062] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2988.696320] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2988.703574] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 0000000000000054 19:30:15 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x4c00000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:15 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x6, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:15 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:15 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x14]}, 0x18) 19:30:15 executing program 5 (fault-call:7 fault-nth:85): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) [ 2988.788120] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:15 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:15 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0xa, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 2988.933809] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2988.984971] FAULT_INJECTION: forcing a failure. [ 2988.984971] name failslab, interval 1, probability 0, space 0, times 0 [ 2988.996258] CPU: 1 PID: 10762 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2989.003191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2989.012548] Call Trace: [ 2989.015148] dump_stack+0x1b9/0x294 [ 2989.018792] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2989.023994] ? __save_stack_trace+0x7e/0xd0 [ 2989.028331] should_fail.cold.4+0xa/0x1a [ 2989.032411] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2989.037524] ? kasan_kmalloc+0xc4/0xe0 [ 2989.041423] ? kasan_slab_alloc+0x12/0x20 [ 2989.045579] ? kmem_cache_alloc+0x12e/0x760 [ 2989.049910] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2989.054854] ? kvm_mmu_load+0x21/0x10e0 [ 2989.058842] ? vcpu_enter_guest+0x3a83/0x6060 [ 2989.063359] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2989.068402] ? graph_lock+0x170/0x170 [ 2989.072214] ? do_syscall_64+0x1b1/0x800 [ 2989.076288] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2989.081669] ? find_held_lock+0x36/0x1c0 [ 2989.085749] ? __lock_is_held+0xb5/0x140 [ 2989.089822] ? reiserfs_unmap_buffer+0x1d0/0x610 [ 2989.094602] ? check_same_owner+0x320/0x320 [ 2989.098939] ? rcu_note_context_switch+0x710/0x710 [ 2989.103886] __should_failslab+0x124/0x180 [ 2989.108128] should_failslab+0x9/0x14 [ 2989.111940] kmem_cache_alloc+0x2af/0x760 [ 2989.116104] ? alloc_pages_current+0x114/0x210 [ 2989.120703] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2989.125649] mmu_topup_memory_caches+0x2fa/0x3a0 [ 2989.130427] ? debug_check_no_locks_freed+0x310/0x310 19:30:15 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x79, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:15 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) [ 2989.135636] kvm_mmu_load+0x21/0x10e0 [ 2989.139445] ? kasan_check_write+0x14/0x20 [ 2989.143691] vcpu_enter_guest+0x3a83/0x6060 [ 2989.148028] ? print_usage_bug+0xc0/0xc0 [ 2989.152101] ? kvm_set_msr_common+0x2680/0x2680 [ 2989.156780] ? vmx_vcpu_load+0xada/0xfe0 [ 2989.160859] ? __lock_acquire+0x7f5/0x5140 [ 2989.165102] ? vmx_vcpu_reset+0x1030/0x1030 [ 2989.169428] ? graph_lock+0x170/0x170 [ 2989.173235] ? graph_lock+0x170/0x170 [ 2989.177039] ? __lock_acquire+0x7f5/0x5140 [ 2989.181286] ? debug_check_no_locks_freed+0x310/0x310 [ 2989.186490] ? __lock_is_held+0xb5/0x140 [ 2989.190562] ? direct2indirect+0x9e0/0x1040 [ 2989.194897] ? lock_acquire+0x1dc/0x520 [ 2989.198879] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2989.203904] ? lock_release+0xa10/0xa10 [ 2989.207893] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2989.213184] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2989.217769] ? preempt_notifier_dec+0x20/0x20 [ 2989.222278] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2989.227121] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2989.232153] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2989.236226] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2989.241951] ? graph_lock+0x170/0x170 [ 2989.245757] ? find_held_lock+0x36/0x1c0 [ 2989.249829] ? lock_downgrade+0x8e0/0x8e0 [ 2989.253988] ? kasan_check_read+0x11/0x20 [ 2989.258144] ? rcu_is_watching+0x85/0x140 [ 2989.262304] ? rcu_report_qs_rnp+0x790/0x790 [ 2989.266734] ? __fget+0x40c/0x650 [ 2989.270199] ? find_held_lock+0x31/0x1c0 [ 2989.274264] ? expand_files.part.8+0x9a0/0x9a0 [ 2989.278855] ? kasan_check_write+0x14/0x20 [ 2989.283106] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2989.288051] ? wait_for_completion+0x870/0x870 [ 2989.292644] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2989.297842] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2989.303566] do_vfs_ioctl+0x1cf/0x16f0 [ 2989.307497] ? ioctl_preallocate+0x2e0/0x2e0 [ 2989.312002] ? fget_raw+0x20/0x20 [ 2989.315465] ? __sb_end_write+0xac/0xe0 [ 2989.319626] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2989.325169] ? fput+0x130/0x1a0 [ 2989.328459] ? ksys_write+0x1a6/0x250 [ 2989.332272] ? security_file_ioctl+0x94/0xc0 [ 2989.336693] ksys_ioctl+0xa9/0xd0 [ 2989.340158] __x64_sys_ioctl+0x73/0xb0 [ 2989.344058] do_syscall_64+0x1b1/0x800 [ 2989.347950] ? finish_task_switch+0x1ca/0x840 [ 2989.352453] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2989.357393] ? syscall_return_slowpath+0x30f/0x5c0 [ 2989.362339] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2989.367723] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2989.372588] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2989.377785] RIP: 0033:0x4559f9 [ 2989.380978] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2989.400372] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2989.408099] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2989.415387] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2989.422652] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2989.429919] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2989.437184] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 0000000000000055 19:30:16 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff000000]}, 0x18) 19:30:16 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x0, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:16 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x17, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:16 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}, 0xfffffffffffffffe}, 0x1c) listen(r1, 0x6) r2 = dup(r0) setsockopt$IPT_SO_SET_ADD_COUNTERS(r2, 0x0, 0x41, &(0x7f0000000140)={'raw\x00', 0x5, [{}, {}, {}, {}, {}]}, 0x78) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r4 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r4, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:16 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80ffffff00000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:16 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x8, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:16 executing program 5 (fault-call:7 fault-nth:86): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 19:30:16 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) bind$bt_rfcomm(r1, &(0x7f0000000240)={0x1f, {0x8, 0x175, 0x100000001, 0x8, 0x6, 0xffffffff}}, 0xa) r3 = syz_genetlink_get_family_id$team(&(0x7f0000000140)='team\x00') sendmsg$TEAM_CMD_OPTIONS_GET(r2, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000050}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x14, r3, 0x0, 0x70bd2a, 0x25dfdbff, {0x2}}, 0x14}, 0x1, 0x0, 0x0, 0x800}, 0x20000000) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 2989.944610] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:16 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3000000]}, 0x18) [ 2989.986693] FAULT_INJECTION: forcing a failure. [ 2989.986693] name failslab, interval 1, probability 0, space 0, times 0 [ 2989.998211] CPU: 1 PID: 10807 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2990.005148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2990.014505] Call Trace: [ 2990.017109] dump_stack+0x1b9/0x294 [ 2990.020748] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2990.025950] ? __save_stack_trace+0x7e/0xd0 [ 2990.030293] should_fail.cold.4+0xa/0x1a [ 2990.034371] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2990.039484] ? kasan_kmalloc+0xc4/0xe0 [ 2990.043365] ? kasan_slab_alloc+0x12/0x20 [ 2990.047502] ? kmem_cache_alloc+0x12e/0x760 [ 2990.051817] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2990.056752] ? kvm_mmu_load+0x21/0x10e0 [ 2990.060716] ? vcpu_enter_guest+0x3a83/0x6060 [ 2990.065199] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2990.070206] ? graph_lock+0x170/0x170 [ 2990.073992] ? do_syscall_64+0x1b1/0x800 [ 2990.078042] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2990.083408] ? find_held_lock+0x36/0x1c0 [ 2990.087460] ? __lock_is_held+0xb5/0x140 [ 2990.091512] ? check_same_owner+0x320/0x320 [ 2990.095820] ? rcu_note_context_switch+0x710/0x710 [ 2990.100832] __should_failslab+0x124/0x180 [ 2990.105071] should_failslab+0x9/0x14 [ 2990.108862] kmem_cache_alloc+0x2af/0x760 [ 2990.113000] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2990.117920] mmu_topup_memory_caches+0x2fa/0x3a0 [ 2990.122663] ? debug_check_no_locks_freed+0x310/0x310 [ 2990.127846] kvm_mmu_load+0x21/0x10e0 [ 2990.131633] ? kasan_check_write+0x14/0x20 [ 2990.135860] vcpu_enter_guest+0x3a83/0x6060 [ 2990.140172] ? print_usage_bug+0xc0/0xc0 [ 2990.144223] ? kvm_set_msr_common+0x2680/0x2680 [ 2990.148879] ? vmx_vcpu_load+0xada/0xfe0 [ 2990.152929] ? __lock_acquire+0x7f5/0x5140 [ 2990.157149] ? vmx_vcpu_reset+0x1030/0x1030 [ 2990.161454] ? graph_lock+0x170/0x170 [ 2990.165240] ? graph_lock+0x170/0x170 [ 2990.169027] ? __lock_acquire+0x7f5/0x5140 [ 2990.173252] ? debug_check_no_locks_freed+0x310/0x310 [ 2990.178442] ? __lock_is_held+0xb5/0x140 [ 2990.182492] ? lock_acquire+0x1dc/0x520 [ 2990.186453] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2990.191456] ? lock_release+0xa10/0xa10 [ 2990.195418] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2990.200689] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2990.205179] ? preempt_notifier_dec+0x20/0x20 [ 2990.209680] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2990.214507] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2990.219515] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2990.223563] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2990.229261] ? graph_lock+0x170/0x170 [ 2990.233048] ? find_held_lock+0x36/0x1c0 [ 2990.237101] ? lock_downgrade+0x8e0/0x8e0 [ 2990.241238] ? kasan_check_read+0x11/0x20 [ 2990.245373] ? rcu_is_watching+0x85/0x140 [ 2990.249510] ? rcu_report_qs_rnp+0x790/0x790 [ 2990.253911] ? __fget+0x40c/0x650 [ 2990.257354] ? find_held_lock+0x31/0x1c0 [ 2990.261413] ? expand_files.part.8+0x9a0/0x9a0 [ 2990.265981] ? kasan_check_write+0x14/0x20 [ 2990.270204] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2990.275120] ? wait_for_completion+0x870/0x870 [ 2990.279696] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2990.284871] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2990.290572] do_vfs_ioctl+0x1cf/0x16f0 [ 2990.294446] ? ioctl_preallocate+0x2e0/0x2e0 [ 2990.298840] ? fget_raw+0x20/0x20 [ 2990.302280] ? __sb_end_write+0xac/0xe0 [ 2990.306241] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2990.311761] ? fput+0x130/0x1a0 [ 2990.315029] ? ksys_write+0x1a6/0x250 [ 2990.318826] ? security_file_ioctl+0x94/0xc0 [ 2990.323224] ksys_ioctl+0xa9/0xd0 [ 2990.326674] __x64_sys_ioctl+0x73/0xb0 [ 2990.330548] do_syscall_64+0x1b1/0x800 [ 2990.334418] ? finish_task_switch+0x1ca/0x840 [ 2990.338899] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2990.343835] ? syscall_return_slowpath+0x30f/0x5c0 [ 2990.348750] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2990.354104] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2990.358938] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2990.364113] RIP: 0033:0x4559f9 [ 2990.367282] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2990.386528] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2990.394222] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2990.401477] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2990.408729] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2990.415986] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2990.423250] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 0000000000000056 19:30:17 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6900]}, 0x18) 19:30:17 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:17 executing program 5 (fault-call:7 fault-nth:87): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 19:30:17 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 2990.556965] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:17 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x5, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 2990.629496] FAULT_INJECTION: forcing a failure. [ 2990.629496] name failslab, interval 1, probability 0, space 0, times 0 [ 2990.640986] CPU: 1 PID: 10833 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2990.647928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2990.657288] Call Trace: [ 2990.659877] dump_stack+0x1b9/0x294 [ 2990.663500] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2990.668701] ? __save_stack_trace+0x7e/0xd0 [ 2990.673031] should_fail.cold.4+0xa/0x1a [ 2990.677082] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2990.682174] ? kasan_kmalloc+0xc4/0xe0 [ 2990.686051] ? kasan_slab_alloc+0x12/0x20 [ 2990.690195] ? kmem_cache_alloc+0x12e/0x760 [ 2990.694505] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2990.699419] ? kvm_mmu_load+0x21/0x10e0 [ 2990.703388] ? vcpu_enter_guest+0x3a83/0x6060 [ 2990.707887] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2990.712889] ? graph_lock+0x170/0x170 [ 2990.716678] ? do_syscall_64+0x1b1/0x800 [ 2990.720726] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2990.726083] ? find_held_lock+0x36/0x1c0 [ 2990.730134] ? __lock_is_held+0xb5/0x140 [ 2990.734188] ? check_same_owner+0x320/0x320 [ 2990.738499] ? rcu_note_context_switch+0x710/0x710 [ 2990.743428] __should_failslab+0x124/0x180 [ 2990.747654] should_failslab+0x9/0x14 [ 2990.751443] kmem_cache_alloc+0x2af/0x760 [ 2990.755577] ? alloc_pages_current+0x114/0x210 [ 2990.760151] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2990.765068] mmu_topup_memory_caches+0x2fa/0x3a0 [ 2990.769820] ? debug_check_no_locks_freed+0x310/0x310 [ 2990.775009] kvm_mmu_load+0x21/0x10e0 [ 2990.778810] ? kasan_check_write+0x14/0x20 [ 2990.783041] vcpu_enter_guest+0x3a83/0x6060 [ 2990.787352] ? print_usage_bug+0xc0/0xc0 [ 2990.791411] ? kvm_set_msr_common+0x2680/0x2680 [ 2990.796065] ? vmx_vcpu_load+0xada/0xfe0 [ 2990.800373] ? __lock_acquire+0x7f5/0x5140 [ 2990.804594] ? vmx_vcpu_reset+0x1030/0x1030 [ 2990.808914] ? graph_lock+0x170/0x170 [ 2990.812710] ? graph_lock+0x170/0x170 [ 2990.816496] ? __lock_acquire+0x7f5/0x5140 [ 2990.820721] ? debug_check_no_locks_freed+0x310/0x310 [ 2990.825987] ? __lock_is_held+0xb5/0x140 [ 2990.830039] ? lock_acquire+0x1dc/0x520 [ 2990.833998] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2990.839033] ? lock_release+0xa10/0xa10 [ 2990.842992] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2990.848271] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2990.852749] ? preempt_notifier_dec+0x20/0x20 [ 2990.857243] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2990.862158] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2990.867166] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2990.871218] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2990.876923] ? graph_lock+0x170/0x170 [ 2990.880711] ? find_held_lock+0x36/0x1c0 [ 2990.884783] ? lock_downgrade+0x8e0/0x8e0 [ 2990.888919] ? kasan_check_read+0x11/0x20 [ 2990.893060] ? rcu_is_watching+0x85/0x140 [ 2990.897196] ? rcu_report_qs_rnp+0x790/0x790 [ 2990.901598] ? __fget+0x40c/0x650 [ 2990.905053] ? find_held_lock+0x31/0x1c0 [ 2990.909107] ? expand_files.part.8+0x9a0/0x9a0 [ 2990.913686] ? kasan_check_write+0x14/0x20 [ 2990.917910] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2990.922826] ? wait_for_completion+0x870/0x870 [ 2990.927397] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2990.932570] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2990.938278] do_vfs_ioctl+0x1cf/0x16f0 [ 2990.942155] ? ioctl_preallocate+0x2e0/0x2e0 [ 2990.946559] ? fget_raw+0x20/0x20 [ 2990.950011] ? __sb_end_write+0xac/0xe0 [ 2990.953985] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2990.959508] ? fput+0x130/0x1a0 [ 2990.962790] ? ksys_write+0x1a6/0x250 [ 2990.966582] ? security_file_ioctl+0x94/0xc0 [ 2990.970986] ksys_ioctl+0xa9/0xd0 [ 2990.974428] __x64_sys_ioctl+0x73/0xb0 [ 2990.978302] do_syscall_64+0x1b1/0x800 [ 2990.982174] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 2990.987001] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2990.991922] ? syscall_return_slowpath+0x30f/0x5c0 [ 2990.996844] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2991.002198] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2991.007043] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2991.012219] RIP: 0033:0x4559f9 [ 2991.015390] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2991.034621] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2991.042327] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2991.049601] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2991.056854] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2991.064116] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2991.071370] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 0000000000000057 19:30:18 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x74000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:18 executing program 4: r0 = socket$inet6(0xa, 0x3fffffe, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) r2 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000)='/dev/uinput\x00', 0x2000, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/ptmx\x00', 0x404000, 0x0) getsockname$packet(r2, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000000180)=0x14) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:18 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x0, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:18 executing program 2: r0 = socket$inet6(0xa, 0x10, 0xffffffffffffffff) pipe(&(0x7f0000000140)={0xffffffffffffffff}) sendmsg$nl_route(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1001}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)=@ipv4_getrule={0x20, 0x22, 0x110, 0x70bd27, 0x25dfdbfc, {0x2, 0x20, 0x14, 0x5, 0x14d1, 0x0, 0x0, 0x7, 0x10000}, ["", "", ""]}, 0x20}, 0x1, 0x0, 0x0, 0x4}, 0x4000040) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r2, 0x6) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r2, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r4 = accept4(r2, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r4, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:18 executing program 5 (fault-call:7 fault-nth:88): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 19:30:18 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x23, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:18 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x15, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:18 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa00000000000000]}, 0x18) [ 2991.284978] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:18 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0xfff, 0x4) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x7b, &(0x7f0000000000)={0x0, 0x6}, &(0x7f0000000140)=0x8) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r2, 0x84, 0x13, &(0x7f0000000180)={r3, 0x1}, &(0x7f00000001c0)=0x8) [ 2991.352997] FAULT_INJECTION: forcing a failure. [ 2991.352997] name failslab, interval 1, probability 0, space 0, times 0 [ 2991.364410] CPU: 1 PID: 10859 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2991.371344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2991.380703] Call Trace: [ 2991.383307] dump_stack+0x1b9/0x294 [ 2991.386944] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2991.392147] ? __save_stack_trace+0x7e/0xd0 [ 2991.396493] should_fail.cold.4+0xa/0x1a [ 2991.400587] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2991.405705] ? kasan_kmalloc+0xc4/0xe0 [ 2991.409610] ? kasan_slab_alloc+0x12/0x20 [ 2991.413774] ? kmem_cache_alloc+0x12e/0x760 [ 2991.418108] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2991.423050] ? kvm_mmu_load+0x21/0x10e0 [ 2991.427038] ? vcpu_enter_guest+0x3a83/0x6060 [ 2991.431543] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2991.436573] ? graph_lock+0x170/0x170 [ 2991.440389] ? do_syscall_64+0x1b1/0x800 [ 2991.444458] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe 19:30:18 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x21, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 2991.449848] ? find_held_lock+0x36/0x1c0 [ 2991.453931] ? __lock_is_held+0xb5/0x140 [ 2991.458024] ? check_same_owner+0x320/0x320 [ 2991.462366] ? rcu_note_context_switch+0x710/0x710 [ 2991.467332] __should_failslab+0x124/0x180 [ 2991.471577] should_failslab+0x9/0x14 [ 2991.475385] kmem_cache_alloc+0x2af/0x760 [ 2991.479554] ? alloc_pages_current+0x114/0x210 [ 2991.484152] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2991.489101] mmu_topup_memory_caches+0x2fa/0x3a0 [ 2991.493874] ? debug_check_no_locks_freed+0x310/0x310 [ 2991.499083] kvm_mmu_load+0x21/0x10e0 19:30:18 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x13, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 2991.502903] ? kasan_check_write+0x14/0x20 [ 2991.507154] vcpu_enter_guest+0x3a83/0x6060 [ 2991.511482] ? print_usage_bug+0xc0/0xc0 [ 2991.515571] ? kvm_set_msr_common+0x2680/0x2680 [ 2991.520251] ? vmx_vcpu_load+0xada/0xfe0 [ 2991.524332] ? __lock_acquire+0x7f5/0x5140 [ 2991.528576] ? vmx_vcpu_reset+0x1030/0x1030 [ 2991.532910] ? graph_lock+0x170/0x170 [ 2991.536732] ? graph_lock+0x170/0x170 [ 2991.540543] ? __lock_acquire+0x7f5/0x5140 [ 2991.544796] ? debug_check_no_locks_freed+0x310/0x310 [ 2991.550006] ? __lock_is_held+0xb5/0x140 19:30:18 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xb4ffffff]}, 0x18) [ 2991.554079] ? lock_acquire+0x1dc/0x520 [ 2991.558062] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2991.563094] ? lock_release+0xa10/0xa10 [ 2991.567080] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2991.572367] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2991.576866] ? preempt_notifier_dec+0x20/0x20 [ 2991.581380] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2991.586225] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2991.591263] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2991.595338] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2991.601061] ? graph_lock+0x170/0x170 [ 2991.604874] ? find_held_lock+0x36/0x1c0 [ 2991.608950] ? lock_downgrade+0x8e0/0x8e0 [ 2991.613117] ? kasan_check_read+0x11/0x20 [ 2991.617281] ? rcu_is_watching+0x85/0x140 [ 2991.621443] ? rcu_report_qs_rnp+0x790/0x790 [ 2991.625861] ? __fget+0x40c/0x650 [ 2991.629312] ? find_held_lock+0x31/0x1c0 [ 2991.633371] ? expand_files.part.8+0x9a0/0x9a0 [ 2991.637945] ? kasan_check_write+0x14/0x20 [ 2991.642169] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2991.647089] ? wait_for_completion+0x870/0x870 [ 2991.651657] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2991.656835] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2991.662533] do_vfs_ioctl+0x1cf/0x16f0 [ 2991.666419] ? ioctl_preallocate+0x2e0/0x2e0 [ 2991.670811] ? fget_raw+0x20/0x20 [ 2991.674348] ? __sb_end_write+0xac/0xe0 [ 2991.678319] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2991.684100] ? fput+0x130/0x1a0 [ 2991.687366] ? ksys_write+0x1a6/0x250 [ 2991.691159] ? security_file_ioctl+0x94/0xc0 [ 2991.695551] ksys_ioctl+0xa9/0xd0 [ 2991.698992] __x64_sys_ioctl+0x73/0xb0 [ 2991.702879] do_syscall_64+0x1b1/0x800 [ 2991.706750] ? finish_task_switch+0x1ca/0x840 [ 2991.711230] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2991.716147] ? syscall_return_slowpath+0x30f/0x5c0 [ 2991.721066] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2991.726428] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2991.731269] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2991.736450] RIP: 0033:0x4559f9 [ 2991.739619] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2991.758854] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2991.766548] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2991.773799] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2991.781053] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2991.788396] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2991.795651] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 0000000000000058 19:30:18 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7a00], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:18 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38]}, 0x18) 19:30:18 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x17, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:18 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x75, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 2991.884014] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:18 executing program 5 (fault-call:7 fault-nth:89): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) [ 2992.078309] FAULT_INJECTION: forcing a failure. [ 2992.078309] name failslab, interval 1, probability 0, space 0, times 0 [ 2992.091087] CPU: 0 PID: 10907 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2992.098027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2992.107384] Call Trace: [ 2992.109987] dump_stack+0x1b9/0x294 [ 2992.113636] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2992.118839] ? __save_stack_trace+0x7e/0xd0 [ 2992.123186] should_fail.cold.4+0xa/0x1a [ 2992.127261] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2992.132378] ? kasan_kmalloc+0xc4/0xe0 [ 2992.136278] ? kasan_slab_alloc+0x12/0x20 [ 2992.140432] ? kmem_cache_alloc+0x12e/0x760 [ 2992.144760] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2992.149696] ? kvm_mmu_load+0x21/0x10e0 [ 2992.153683] ? vcpu_enter_guest+0x3a83/0x6060 [ 2992.158192] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2992.163220] ? graph_lock+0x170/0x170 [ 2992.167029] ? do_syscall_64+0x1b1/0x800 [ 2992.171104] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2992.176487] ? find_held_lock+0x36/0x1c0 [ 2992.180565] ? __lock_is_held+0xb5/0x140 [ 2992.184650] ? check_same_owner+0x320/0x320 [ 2992.188986] ? rcu_note_context_switch+0x710/0x710 [ 2992.193933] __should_failslab+0x124/0x180 [ 2992.198191] should_failslab+0x9/0x14 [ 2992.202003] kmem_cache_alloc+0x2af/0x760 [ 2992.206174] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2992.211118] mmu_topup_memory_caches+0x2fa/0x3a0 [ 2992.215900] ? debug_check_no_locks_freed+0x310/0x310 [ 2992.221108] kvm_mmu_load+0x21/0x10e0 [ 2992.224928] ? kasan_check_write+0x14/0x20 [ 2992.229186] vcpu_enter_guest+0x3a83/0x6060 [ 2992.233517] ? print_usage_bug+0xc0/0xc0 [ 2992.237593] ? kvm_set_msr_common+0x2680/0x2680 [ 2992.242416] ? vmx_vcpu_load+0xada/0xfe0 [ 2992.246490] ? __lock_acquire+0x7f5/0x5140 [ 2992.250735] ? vmx_vcpu_reset+0x1030/0x1030 [ 2992.255068] ? graph_lock+0x170/0x170 [ 2992.258882] ? graph_lock+0x170/0x170 [ 2992.262696] ? __lock_acquire+0x7f5/0x5140 [ 2992.266945] ? debug_check_no_locks_freed+0x310/0x310 [ 2992.272156] ? __lock_is_held+0xb5/0x140 [ 2992.276234] ? lock_acquire+0x1dc/0x520 [ 2992.280227] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2992.285257] ? lock_release+0xa10/0xa10 [ 2992.289241] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2992.294525] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2992.299028] ? preempt_notifier_dec+0x20/0x20 [ 2992.303545] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2992.308399] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2992.313427] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2992.317501] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2992.323235] ? graph_lock+0x170/0x170 [ 2992.327046] ? find_held_lock+0x36/0x1c0 [ 2992.331125] ? lock_downgrade+0x8e0/0x8e0 [ 2992.335294] ? kasan_check_read+0x11/0x20 [ 2992.339452] ? rcu_is_watching+0x85/0x140 [ 2992.343609] ? rcu_report_qs_rnp+0x790/0x790 [ 2992.348032] ? __fget+0x40c/0x650 [ 2992.351493] ? find_held_lock+0x31/0x1c0 [ 2992.355549] ? expand_files.part.8+0x9a0/0x9a0 [ 2992.360141] ? kasan_check_write+0x14/0x20 [ 2992.364388] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2992.369330] ? wait_for_completion+0x870/0x870 [ 2992.373917] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2992.379110] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2992.384829] do_vfs_ioctl+0x1cf/0x16f0 [ 2992.388732] ? ioctl_preallocate+0x2e0/0x2e0 [ 2992.393155] ? fget_raw+0x20/0x20 [ 2992.396616] ? __sb_end_write+0xac/0xe0 [ 2992.400592] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2992.406118] ? fput+0x130/0x1a0 [ 2992.409390] ? ksys_write+0x1a6/0x250 [ 2992.413186] ? security_file_ioctl+0x94/0xc0 [ 2992.417582] ksys_ioctl+0xa9/0xd0 [ 2992.421031] __x64_sys_ioctl+0x73/0xb0 [ 2992.424908] do_syscall_64+0x1b1/0x800 [ 2992.428777] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 2992.433603] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2992.438525] ? syscall_return_slowpath+0x30f/0x5c0 [ 2992.443453] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2992.448814] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2992.453648] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2992.458818] RIP: 0033:0x4559f9 19:30:19 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff7f00000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:19 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1700000000000000]}, 0x18) 19:30:19 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x6, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:19 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x0, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:19 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x14, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:19 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = syz_open_dev$admmidi(&(0x7f0000000140)='/dev/admmidi#\x00', 0x9, 0x40040) setsockopt$XDP_UMEM_FILL_RING(r3, 0x11b, 0x5, &(0x7f0000000180)=0x100000, 0x4) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r4 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r4, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) socket$inet6_dccp(0xa, 0x6, 0x0) 19:30:19 executing program 5 (fault-call:7 fault-nth:90): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 19:30:19 executing program 4: socketpair$inet6(0xa, 0x80006, 0x6, &(0x7f0000000200)={0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_STATUS(0xffffffffffffff9c, 0x84, 0xe, &(0x7f0000000440)={0x0, 0xfffffffffffffff9, 0x7, 0xffffffffffffffff, 0x8, 0xffff, 0xe86, 0x101, {0x0, @in={{0x2, 0x4e21, @rand_addr=0x7}}, 0x5, 0x2, 0x4, 0x10001}}, &(0x7f0000000240)=0xb0) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000280)=@assoc_value={r1, 0x1e}, 0x8) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300)='/dev/sequencer\x00', 0x100, 0x0) accept4$inet(r3, 0x0, &(0x7f0000000340), 0x80800) bind$inet6(r2, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffff9c, 0x84, 0x1, &(0x7f0000000000)={0x0, 0x9, 0x40, 0xfffffffffffffffe, 0x3, 0x9}, &(0x7f0000000140)=0x14) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000180)={0x5, 0x1, 0x0, 0x2000000000, 0x9, 0xb44, 0x7f, 0x0, r4}, &(0x7f00000001c0)=0x20) listen(r2, 0x6) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r2, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r6 = accept4(r2, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r5, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r6, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x6, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x14) [ 2992.461983] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2992.481198] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2992.488908] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2992.496172] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2992.503436] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2992.510691] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2992.517944] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 0000000000000059 19:30:19 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4400000000000000]}, 0x18) [ 2992.598779] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2992.697063] FAULT_INJECTION: forcing a failure. [ 2992.697063] name failslab, interval 1, probability 0, space 0, times 0 [ 2992.708440] CPU: 1 PID: 10940 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2992.715376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2992.724753] Call Trace: [ 2992.727345] dump_stack+0x1b9/0x294 [ 2992.730984] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2992.736173] ? __save_stack_trace+0x7e/0xd0 [ 2992.740491] should_fail.cold.4+0xa/0x1a [ 2992.744551] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2992.749640] ? kasan_kmalloc+0xc4/0xe0 [ 2992.753526] ? kasan_slab_alloc+0x12/0x20 [ 2992.757667] ? kmem_cache_alloc+0x12e/0x760 [ 2992.761983] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2992.766901] ? kvm_mmu_load+0x21/0x10e0 [ 2992.770861] ? vcpu_enter_guest+0x3a83/0x6060 [ 2992.775341] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2992.780355] ? graph_lock+0x170/0x170 [ 2992.784155] ? do_syscall_64+0x1b1/0x800 [ 2992.788206] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2992.793646] ? find_held_lock+0x36/0x1c0 [ 2992.797696] ? __lock_is_held+0xb5/0x140 [ 2992.801759] ? check_same_owner+0x320/0x320 [ 2992.806068] ? rcu_note_context_switch+0x710/0x710 [ 2992.810997] __should_failslab+0x124/0x180 [ 2992.815319] should_failslab+0x9/0x14 [ 2992.819116] kmem_cache_alloc+0x2af/0x760 [ 2992.823251] ? alloc_pages_current+0x114/0x210 [ 2992.827822] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2992.832741] mmu_topup_memory_caches+0x2fa/0x3a0 [ 2992.837493] ? debug_check_no_locks_freed+0x310/0x310 [ 2992.842673] kvm_mmu_load+0x21/0x10e0 [ 2992.846476] ? kasan_check_write+0x14/0x20 [ 2992.850700] vcpu_enter_guest+0x3a83/0x6060 [ 2992.855015] ? print_usage_bug+0xc0/0xc0 [ 2992.859069] ? kvm_set_msr_common+0x2680/0x2680 [ 2992.863733] ? vmx_vcpu_load+0xada/0xfe0 [ 2992.867780] ? __lock_acquire+0x7f5/0x5140 [ 2992.872000] ? vmx_vcpu_reset+0x1030/0x1030 [ 2992.876313] ? graph_lock+0x170/0x170 [ 2992.880188] ? graph_lock+0x170/0x170 [ 2992.883974] ? __lock_acquire+0x7f5/0x5140 [ 2992.888198] ? debug_check_no_locks_freed+0x310/0x310 [ 2992.893379] ? __lock_is_held+0xb5/0x140 [ 2992.897430] ? lock_acquire+0x1dc/0x520 [ 2992.901399] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2992.906415] ? lock_release+0xa10/0xa10 [ 2992.910379] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2992.915646] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2992.920127] ? preempt_notifier_dec+0x20/0x20 [ 2992.924616] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2992.929443] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2992.934460] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2992.938510] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2992.944209] ? graph_lock+0x170/0x170 [ 2992.947999] ? find_held_lock+0x36/0x1c0 [ 2992.952056] ? lock_downgrade+0x8e0/0x8e0 [ 2992.956193] ? kasan_check_read+0x11/0x20 [ 2992.960327] ? rcu_is_watching+0x85/0x140 [ 2992.964461] ? rcu_report_qs_rnp+0x790/0x790 [ 2992.968864] ? __fget+0x40c/0x650 [ 2992.972304] ? find_held_lock+0x31/0x1c0 [ 2992.976351] ? expand_files.part.8+0x9a0/0x9a0 [ 2992.980919] ? kasan_check_write+0x14/0x20 [ 2992.985140] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2992.990057] ? wait_for_completion+0x870/0x870 [ 2992.994628] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2992.999807] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2993.005504] do_vfs_ioctl+0x1cf/0x16f0 [ 2993.009385] ? ioctl_preallocate+0x2e0/0x2e0 [ 2993.013791] ? fget_raw+0x20/0x20 [ 2993.017239] ? __sb_end_write+0xac/0xe0 [ 2993.021200] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2993.026720] ? fput+0x130/0x1a0 [ 2993.029992] ? ksys_write+0x1a6/0x250 [ 2993.033785] ? security_file_ioctl+0x94/0xc0 [ 2993.038181] ksys_ioctl+0xa9/0xd0 [ 2993.041621] __x64_sys_ioctl+0x73/0xb0 [ 2993.045496] do_syscall_64+0x1b1/0x800 [ 2993.049368] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 2993.054200] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2993.059115] ? syscall_return_slowpath+0x30f/0x5c0 [ 2993.064036] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2993.069387] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2993.074223] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2993.079411] RIP: 0033:0x4559f9 19:30:19 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 2993.082580] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2993.101819] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2993.109522] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2993.116775] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2993.124038] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2993.131301] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2993.138553] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 000000000000005a 19:30:19 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x18, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:20 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0xa, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 2993.169380] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:20 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:20 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xb000000]}, 0x18) 19:30:20 executing program 5 (fault-call:7 fault-nth:91): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 19:30:20 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x4, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 2993.311237] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2993.474854] FAULT_INJECTION: forcing a failure. [ 2993.474854] name failslab, interval 1, probability 0, space 0, times 0 [ 2993.486284] CPU: 1 PID: 10974 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2993.493220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2993.502579] Call Trace: [ 2993.505181] dump_stack+0x1b9/0x294 [ 2993.508826] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2993.514033] ? __save_stack_trace+0x7e/0xd0 [ 2993.518386] should_fail.cold.4+0xa/0x1a [ 2993.522458] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2993.527579] ? kasan_kmalloc+0xc4/0xe0 [ 2993.531480] ? kasan_slab_alloc+0x12/0x20 [ 2993.535640] ? kmem_cache_alloc+0x12e/0x760 [ 2993.539974] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2993.544915] ? kvm_mmu_load+0x21/0x10e0 [ 2993.548901] ? vcpu_enter_guest+0x3a83/0x6060 [ 2993.553412] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2993.558447] ? graph_lock+0x170/0x170 [ 2993.562264] ? do_syscall_64+0x1b1/0x800 [ 2993.566347] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2993.571723] ? find_held_lock+0x36/0x1c0 [ 2993.575784] ? __lock_is_held+0xb5/0x140 [ 2993.579847] ? check_same_owner+0x320/0x320 [ 2993.584163] ? rcu_note_context_switch+0x710/0x710 [ 2993.589087] __should_failslab+0x124/0x180 [ 2993.593326] should_failslab+0x9/0x14 [ 2993.597116] kmem_cache_alloc+0x2af/0x760 [ 2993.601258] ? alloc_pages_current+0x114/0x210 [ 2993.605833] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2993.610760] mmu_topup_memory_caches+0x2fa/0x3a0 [ 2993.615513] ? debug_check_no_locks_freed+0x310/0x310 [ 2993.620710] kvm_mmu_load+0x21/0x10e0 [ 2993.624502] ? kasan_check_write+0x14/0x20 [ 2993.628728] vcpu_enter_guest+0x3a83/0x6060 [ 2993.633038] ? print_usage_bug+0xc0/0xc0 [ 2993.637090] ? kvm_set_msr_common+0x2680/0x2680 [ 2993.641742] ? vmx_vcpu_load+0xada/0xfe0 [ 2993.645794] ? __lock_acquire+0x7f5/0x5140 [ 2993.650020] ? vmx_vcpu_reset+0x1030/0x1030 [ 2993.654342] ? graph_lock+0x170/0x170 [ 2993.658144] ? graph_lock+0x170/0x170 [ 2993.661938] ? __lock_acquire+0x7f5/0x5140 [ 2993.666162] ? debug_check_no_locks_freed+0x310/0x310 [ 2993.671344] ? __lock_is_held+0xb5/0x140 [ 2993.675392] ? lock_acquire+0x1dc/0x520 [ 2993.679381] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2993.684393] ? lock_release+0xa10/0xa10 [ 2993.688354] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2993.693627] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2993.698109] ? preempt_notifier_dec+0x20/0x20 [ 2993.702597] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2993.707426] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2993.712434] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2993.716483] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2993.722184] ? graph_lock+0x170/0x170 [ 2993.725970] ? find_held_lock+0x36/0x1c0 [ 2993.730029] ? lock_downgrade+0x8e0/0x8e0 [ 2993.734165] ? kasan_check_read+0x11/0x20 [ 2993.738318] ? rcu_is_watching+0x85/0x140 [ 2993.742462] ? rcu_report_qs_rnp+0x790/0x790 [ 2993.746863] ? __fget+0x40c/0x650 [ 2993.750307] ? find_held_lock+0x31/0x1c0 [ 2993.754355] ? expand_files.part.8+0x9a0/0x9a0 [ 2993.758934] ? kasan_check_write+0x14/0x20 [ 2993.763156] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2993.768085] ? wait_for_completion+0x870/0x870 [ 2993.772654] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2993.777830] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2993.783526] do_vfs_ioctl+0x1cf/0x16f0 [ 2993.787490] ? ioctl_preallocate+0x2e0/0x2e0 [ 2993.791893] ? fget_raw+0x20/0x20 [ 2993.795333] ? __sb_end_write+0xac/0xe0 [ 2993.799305] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2993.804835] ? fput+0x130/0x1a0 [ 2993.808102] ? ksys_write+0x1a6/0x250 [ 2993.811902] ? security_file_ioctl+0x94/0xc0 [ 2993.816304] ksys_ioctl+0xa9/0xd0 [ 2993.819747] __x64_sys_ioctl+0x73/0xb0 [ 2993.823632] do_syscall_64+0x1b1/0x800 [ 2993.827521] ? finish_task_switch+0x1ca/0x840 [ 2993.832002] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2993.836923] ? syscall_return_slowpath+0x30f/0x5c0 [ 2993.841841] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2993.847196] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2993.852034] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2993.857209] RIP: 0033:0x4559f9 [ 2993.860378] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2993.879615] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2993.887334] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2993.894588] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2993.901845] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2993.909099] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2993.917159] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 000000000000005b 19:30:20 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x4, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:20 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x500000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:20 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0xc, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:20 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0), 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:20 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x40000004) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = syz_open_dev$vcsn(&(0x7f0000000140)='/dev/vcs#\x00', 0xffff, 0x402) ioctl$RNDCLEARPOOL(r2, 0x5206, &(0x7f0000000180)=0x8) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r4 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r4, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:20 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000000000)="ececf9519f6b6acb123b5a582d5b5478917983b524113b57e52905768558c8554905b0c3e166a1786390409c9eb995cc", 0xfffffffffffffdd9, 0x3, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @mcast1={0xff, 0x1, [], 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:20 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400000]}, 0x18) 19:30:20 executing program 5 (fault-call:7 fault-nth:92): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) [ 2994.057884] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2994.099414] FAULT_INJECTION: forcing a failure. [ 2994.099414] name failslab, interval 1, probability 0, space 0, times 0 [ 2994.110782] CPU: 0 PID: 11005 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2994.117719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2994.127080] Call Trace: [ 2994.129682] dump_stack+0x1b9/0x294 [ 2994.133324] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2994.138522] ? __save_stack_trace+0x7e/0xd0 [ 2994.142846] should_fail.cold.4+0xa/0x1a [ 2994.146904] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2994.152016] ? kasan_kmalloc+0xc4/0xe0 [ 2994.155894] ? kasan_slab_alloc+0x12/0x20 [ 2994.160030] ? kmem_cache_alloc+0x12e/0x760 [ 2994.164339] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2994.169262] ? kvm_mmu_load+0x21/0x10e0 [ 2994.173224] ? vcpu_enter_guest+0x3a83/0x6060 [ 2994.177701] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2994.182706] ? graph_lock+0x170/0x170 [ 2994.186503] ? do_syscall_64+0x1b1/0x800 [ 2994.190561] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2994.195925] ? find_held_lock+0x36/0x1c0 [ 2994.199995] ? __lock_is_held+0xb5/0x140 [ 2994.204055] ? check_same_owner+0x320/0x320 [ 2994.208374] ? rcu_note_context_switch+0x710/0x710 [ 2994.213292] __should_failslab+0x124/0x180 [ 2994.217524] should_failslab+0x9/0x14 [ 2994.221312] kmem_cache_alloc+0x2af/0x760 [ 2994.225461] ? alloc_pages_current+0x114/0x210 [ 2994.230033] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2994.234966] mmu_topup_memory_caches+0x2fa/0x3a0 [ 2994.239711] ? debug_check_no_locks_freed+0x310/0x310 [ 2994.244889] kvm_mmu_load+0x21/0x10e0 [ 2994.248678] ? print_usage_bug+0xc0/0xc0 [ 2994.252722] ? kasan_check_write+0x14/0x20 [ 2994.256946] vcpu_enter_guest+0x3a83/0x6060 [ 2994.261258] ? print_usage_bug+0xc0/0xc0 [ 2994.265308] ? kvm_set_msr_common+0x2680/0x2680 [ 2994.269966] ? vmx_vcpu_load+0xada/0xfe0 [ 2994.274020] ? __lock_acquire+0x7f5/0x5140 [ 2994.278240] ? vmx_vcpu_reset+0x1030/0x1030 [ 2994.282543] ? graph_lock+0x170/0x170 [ 2994.286329] ? graph_lock+0x170/0x170 [ 2994.290116] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 2994.294863] ? __lock_is_held+0xb5/0x140 [ 2994.298913] ? lock_acquire+0x1dc/0x520 [ 2994.302872] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2994.307876] ? lock_release+0xa10/0xa10 [ 2994.311835] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2994.317098] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2994.321580] ? preempt_notifier_dec+0x20/0x20 [ 2994.326067] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2994.330893] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2994.335900] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2994.339954] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2994.345651] ? graph_lock+0x170/0x170 [ 2994.349442] ? find_held_lock+0x36/0x1c0 [ 2994.353498] ? lock_downgrade+0x8e0/0x8e0 [ 2994.357637] ? kasan_check_read+0x11/0x20 [ 2994.361771] ? rcu_is_watching+0x85/0x140 [ 2994.365907] ? rcu_report_qs_rnp+0x790/0x790 [ 2994.370310] ? __fget+0x40c/0x650 [ 2994.373752] ? find_held_lock+0x31/0x1c0 [ 2994.377800] ? expand_files.part.8+0x9a0/0x9a0 [ 2994.382366] ? kasan_check_write+0x14/0x20 [ 2994.386585] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2994.391500] ? wait_for_completion+0x870/0x870 [ 2994.396065] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2994.401238] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2994.406934] do_vfs_ioctl+0x1cf/0x16f0 [ 2994.410815] ? ioctl_preallocate+0x2e0/0x2e0 [ 2994.415209] ? fget_raw+0x20/0x20 [ 2994.418648] ? __sb_end_write+0xac/0xe0 [ 2994.422608] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2994.428127] ? fput+0x130/0x1a0 [ 2994.431393] ? ksys_write+0x1a6/0x250 [ 2994.435182] ? security_file_ioctl+0x94/0xc0 [ 2994.439585] ksys_ioctl+0xa9/0xd0 [ 2994.443031] __x64_sys_ioctl+0x73/0xb0 [ 2994.446909] do_syscall_64+0x1b1/0x800 [ 2994.450781] ? finish_task_switch+0x1ca/0x840 [ 2994.455262] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2994.460177] ? syscall_return_slowpath+0x30f/0x5c0 [ 2994.465097] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2994.470447] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2994.475278] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2994.480449] RIP: 0033:0x4559f9 19:30:21 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 2994.483634] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2994.502867] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2994.510560] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2994.517811] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2994.525062] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2994.532334] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2994.539592] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 000000000000005c 19:30:21 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x19, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 2994.564438] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:21 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x700], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:21 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7100]}, 0x18) 19:30:21 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x64, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:21 executing program 5 (fault-call:7 fault-nth:93): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) [ 2994.715018] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2994.787462] FAULT_INJECTION: forcing a failure. [ 2994.787462] name failslab, interval 1, probability 0, space 0, times 0 [ 2994.799187] CPU: 0 PID: 11032 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2994.806125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2994.815484] Call Trace: [ 2994.818090] dump_stack+0x1b9/0x294 [ 2994.821739] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2994.827071] ? __save_stack_trace+0x7e/0xd0 [ 2994.831420] should_fail.cold.4+0xa/0x1a [ 2994.835506] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2994.840631] ? kasan_kmalloc+0xc4/0xe0 [ 2994.844543] ? kasan_slab_alloc+0x12/0x20 [ 2994.848712] ? kmem_cache_alloc+0x12e/0x760 [ 2994.853051] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2994.858002] ? kvm_mmu_load+0x21/0x10e0 [ 2994.859982] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2994.862007] ? vcpu_enter_guest+0x3a83/0x6060 [ 2994.862024] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2994.862043] ? graph_lock+0x170/0x170 [ 2994.862061] ? do_syscall_64+0x1b1/0x800 [ 2994.862081] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2994.862103] ? find_held_lock+0x36/0x1c0 [ 2994.899176] ? __lock_is_held+0xb5/0x140 [ 2994.903257] ? check_same_owner+0x320/0x320 [ 2994.907593] ? rcu_note_context_switch+0x710/0x710 [ 2994.912538] __should_failslab+0x124/0x180 [ 2994.916786] should_failslab+0x9/0x14 [ 2994.920597] kmem_cache_alloc+0x2af/0x760 [ 2994.924754] ? alloc_pages_current+0x114/0x210 [ 2994.929349] ? mmu_topup_memory_caches+0x2fa/0x3a0 19:30:21 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x500], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:21 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x72, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:21 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0), 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:21 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 2994.934310] mmu_topup_memory_caches+0x2fa/0x3a0 [ 2994.939082] ? debug_check_no_locks_freed+0x310/0x310 [ 2994.944285] kvm_mmu_load+0x21/0x10e0 [ 2994.948100] ? kasan_check_write+0x14/0x20 [ 2994.952357] vcpu_enter_guest+0x3a83/0x6060 [ 2994.956691] ? print_usage_bug+0xc0/0xc0 [ 2994.960767] ? kvm_set_msr_common+0x2680/0x2680 [ 2994.965442] ? vmx_vcpu_load+0xada/0xfe0 [ 2994.969514] ? __lock_acquire+0x7f5/0x5140 [ 2994.973763] ? vmx_vcpu_reset+0x1030/0x1030 [ 2994.978094] ? graph_lock+0x170/0x170 [ 2994.981914] ? graph_lock+0x170/0x170 [ 2994.985729] ? __lock_acquire+0x7f5/0x5140 [ 2994.989985] ? debug_check_no_locks_freed+0x310/0x310 [ 2994.995195] ? __lock_is_held+0xb5/0x140 [ 2994.999269] ? lock_acquire+0x1dc/0x520 [ 2995.003236] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2995.008247] ? lock_release+0xa10/0xa10 [ 2995.012218] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2995.017502] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2995.021984] ? preempt_notifier_dec+0x20/0x20 [ 2995.026473] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2995.031301] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2995.036308] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2995.040364] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2995.046135] ? graph_lock+0x170/0x170 [ 2995.049946] ? find_held_lock+0x36/0x1c0 [ 2995.053998] ? lock_downgrade+0x8e0/0x8e0 [ 2995.058138] ? kasan_check_read+0x11/0x20 [ 2995.062275] ? rcu_is_watching+0x85/0x140 [ 2995.066408] ? rcu_report_qs_rnp+0x790/0x790 [ 2995.070808] ? __fget+0x40c/0x650 [ 2995.074246] ? find_held_lock+0x31/0x1c0 [ 2995.078291] ? expand_files.part.8+0x9a0/0x9a0 [ 2995.082858] ? kasan_check_write+0x14/0x20 [ 2995.087081] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2995.091998] ? wait_for_completion+0x870/0x870 [ 2995.096572] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2995.101748] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2995.107446] do_vfs_ioctl+0x1cf/0x16f0 [ 2995.111319] ? ioctl_preallocate+0x2e0/0x2e0 [ 2995.115711] ? fget_raw+0x20/0x20 [ 2995.119149] ? __sb_end_write+0xac/0xe0 [ 2995.123109] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2995.128634] ? fput+0x130/0x1a0 [ 2995.131902] ? ksys_write+0x1a6/0x250 [ 2995.135691] ? security_file_ioctl+0x94/0xc0 [ 2995.140088] ksys_ioctl+0xa9/0xd0 [ 2995.143530] __x64_sys_ioctl+0x73/0xb0 [ 2995.147406] do_syscall_64+0x1b1/0x800 [ 2995.151288] ? finish_task_switch+0x1ca/0x840 [ 2995.155769] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2995.161300] ? syscall_return_slowpath+0x30f/0x5c0 [ 2995.166222] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2995.171577] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2995.176413] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2995.181585] RIP: 0033:0x4559f9 [ 2995.184755] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2995.204002] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2995.211702] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2995.218970] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2995.226223] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2995.233473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2995.240724] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 000000000000005d 19:30:22 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) sendto$ax25(r2, &(0x7f0000000180)="b528bd83cafa7f", 0x7, 0x4, &(0x7f00000001c0)={0x3, {"f48bbf6e1496d1"}, 0x7b}, 0x10) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) getsockopt$bt_BT_POWER(r2, 0x112, 0x9, &(0x7f0000000000)=0x1ff, &(0x7f0000000140)=0x1) [ 2995.281390] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:22 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x2, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:22 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) getpeername$packet(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000000180)=0x14) setsockopt$inet6_IPV6_PKTINFO(r1, 0x29, 0x32, &(0x7f00000001c0)={@mcast2={0xff, 0x2, [], 0x1}, r2}, 0x14) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x43cd, 0x4) r4 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r4, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:22 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x21, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:22 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x68], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 2995.453609] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:23 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffc0]}, 0x18) 19:30:23 executing program 5 (fault-call:7 fault-nth:94): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 19:30:23 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x11], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:23 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7b, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:23 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x11, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:23 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0), 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:23 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x5, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:23 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) connect$inet6(r1, &(0x7f0000000000)={0xa, 0x4e22, 0x2, @mcast2={0xff, 0x2, [], 0x1}, 0x7}, 0x1c) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x7d) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) listen(r1, 0x4) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x14) [ 2996.323898] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2996.373162] FAULT_INJECTION: forcing a failure. [ 2996.373162] name failslab, interval 1, probability 0, space 0, times 0 [ 2996.384615] CPU: 1 PID: 11100 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2996.391654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2996.401018] Call Trace: [ 2996.403619] dump_stack+0x1b9/0x294 [ 2996.407277] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2996.412474] ? __save_stack_trace+0x7e/0xd0 [ 2996.416844] should_fail.cold.4+0xa/0x1a 19:30:23 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6a00000000000000]}, 0x18) [ 2996.420938] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2996.426051] ? kasan_kmalloc+0xc4/0xe0 [ 2996.429950] ? kasan_slab_alloc+0x12/0x20 [ 2996.434105] ? kmem_cache_alloc+0x12e/0x760 [ 2996.438429] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2996.443368] ? kvm_mmu_load+0x21/0x10e0 [ 2996.447350] ? vcpu_enter_guest+0x3a83/0x6060 [ 2996.451851] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2996.456961] ? graph_lock+0x170/0x170 [ 2996.460765] ? do_syscall_64+0x1b1/0x800 [ 2996.464836] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2996.470216] ? find_held_lock+0x36/0x1c0 [ 2996.474292] ? __lock_is_held+0xb5/0x140 [ 2996.478377] ? check_same_owner+0x320/0x320 [ 2996.482710] ? rcu_note_context_switch+0x710/0x710 [ 2996.487662] __should_failslab+0x124/0x180 [ 2996.491913] should_failslab+0x9/0x14 [ 2996.495724] kmem_cache_alloc+0x2af/0x760 [ 2996.499889] ? alloc_pages_current+0x114/0x210 [ 2996.504488] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2996.509431] mmu_topup_memory_caches+0x2fa/0x3a0 [ 2996.514193] ? debug_check_no_locks_freed+0x310/0x310 [ 2996.519390] kvm_mmu_load+0x21/0x10e0 [ 2996.523188] ? kasan_check_write+0x14/0x20 [ 2996.527419] vcpu_enter_guest+0x3a83/0x6060 [ 2996.531738] ? print_usage_bug+0xc0/0xc0 [ 2996.535855] ? kvm_set_msr_common+0x2680/0x2680 [ 2996.540507] ? vmx_vcpu_load+0xada/0xfe0 [ 2996.544558] ? __lock_acquire+0x7f5/0x5140 [ 2996.548781] ? vmx_vcpu_reset+0x1030/0x1030 [ 2996.553087] ? graph_lock+0x170/0x170 [ 2996.556876] ? graph_lock+0x170/0x170 [ 2996.560665] ? __lock_acquire+0x7f5/0x5140 [ 2996.564891] ? debug_check_no_locks_freed+0x310/0x310 [ 2996.570070] ? __lock_is_held+0xb5/0x140 [ 2996.574118] ? lock_acquire+0x1dc/0x520 [ 2996.578078] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2996.583080] ? lock_release+0xa10/0xa10 [ 2996.587040] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2996.592300] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2996.596790] ? preempt_notifier_dec+0x20/0x20 [ 2996.601275] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2996.606102] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2996.611110] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2996.615159] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2996.620854] ? graph_lock+0x170/0x170 [ 2996.624640] ? find_held_lock+0x36/0x1c0 [ 2996.628693] ? lock_downgrade+0x8e0/0x8e0 [ 2996.632830] ? kasan_check_read+0x11/0x20 [ 2996.636964] ? rcu_is_watching+0x85/0x140 [ 2996.641098] ? rcu_report_qs_rnp+0x790/0x790 [ 2996.645500] ? __fget+0x40c/0x650 [ 2996.648941] ? find_held_lock+0x31/0x1c0 [ 2996.652990] ? expand_files.part.8+0x9a0/0x9a0 [ 2996.657561] ? kasan_check_write+0x14/0x20 [ 2996.661792] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2996.666709] ? wait_for_completion+0x870/0x870 [ 2996.671280] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2996.676457] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2996.682154] do_vfs_ioctl+0x1cf/0x16f0 [ 2996.686037] ? ioctl_preallocate+0x2e0/0x2e0 [ 2996.690433] ? fget_raw+0x20/0x20 [ 2996.693871] ? __sb_end_write+0xac/0xe0 [ 2996.697844] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2996.703362] ? fput+0x130/0x1a0 [ 2996.706626] ? ksys_write+0x1a6/0x250 [ 2996.710413] ? security_file_ioctl+0x94/0xc0 [ 2996.714807] ksys_ioctl+0xa9/0xd0 [ 2996.718266] __x64_sys_ioctl+0x73/0xb0 [ 2996.722139] do_syscall_64+0x1b1/0x800 [ 2996.726013] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 2996.730845] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2996.735762] ? syscall_return_slowpath+0x30f/0x5c0 [ 2996.740682] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2996.746035] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2996.750865] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2996.756049] RIP: 0033:0x4559f9 [ 2996.759217] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2996.778444] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2996.786136] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2996.793395] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2996.800649] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2996.807901] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2996.815160] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 000000000000005e 19:30:23 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) ioctl(r0, 0x2, &(0x7f0000000140)="6db8ca5d99e88f3bbfb9fc8504a001126a5340ce1674793f87742be75b4978eaa627396d95ba4ec523dbe0ba3439c3458fa4867bb72889c404e8b4ac0c7cf58d3c15db3a0f0ec695ea8165d324f32ac2e4cf05dcbc7c580b9b6994d8155c1a39e70b751866fe8fc66410e124ce56e98a5f7ac6b5d161eca865b7ae02a521da0d5fae10cf9e29c1f23864a7e2af730229e765ccc3a2a116202cd2408e9171ecf99f79a222355560558a15029e9600179edbadf984c959d8db03e4019ce17e7b633c266661ac572f94891598550121dbc701930a817d92cf805aa6af45659a4b") r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:23 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x10, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:23 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xb4ffffff00000000]}, 0x18) 19:30:23 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0xb, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:23 executing program 5 (fault-call:7 fault-nth:95): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 19:30:23 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(0xffffffffffffffff, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:23 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff8d], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:23 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r2 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000180)=0x26, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f0000000140)={0xa, 0x4e23, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) prctl$setfpexc(0xc, 0x3) [ 2997.143977] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:24 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7000000]}, 0x18) 19:30:24 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 2997.225819] sctp: [Deprecated]: syz-executor1 (pid 11132) Use of struct sctp_assoc_value in delayed_ack socket option. [ 2997.225819] Use struct sctp_sack_info instead 19:30:24 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1100000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 2997.275468] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2997.275602] FAULT_INJECTION: forcing a failure. [ 2997.275602] name failslab, interval 1, probability 0, space 0, times 0 [ 2997.297277] CPU: 0 PID: 11126 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2997.304210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2997.313566] Call Trace: [ 2997.316174] dump_stack+0x1b9/0x294 [ 2997.319819] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2997.325024] ? __save_stack_trace+0x7e/0xd0 [ 2997.329365] should_fail.cold.4+0xa/0x1a [ 2997.332839] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2997.333437] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2997.333457] ? kasan_kmalloc+0xc4/0xe0 [ 2997.333473] ? kasan_slab_alloc+0x12/0x20 [ 2997.333487] ? kmem_cache_alloc+0x12e/0x760 [ 2997.333502] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2997.333521] ? kvm_mmu_load+0x21/0x10e0 [ 2997.370203] ? vcpu_enter_guest+0x3a83/0x6060 [ 2997.374713] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2997.379736] ? graph_lock+0x170/0x170 [ 2997.383542] ? do_syscall_64+0x1b1/0x800 [ 2997.387596] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2997.392955] ? find_held_lock+0x36/0x1c0 [ 2997.397009] ? __lock_is_held+0xb5/0x140 [ 2997.401152] ? check_same_owner+0x320/0x320 [ 2997.405464] ? rcu_note_context_switch+0x710/0x710 [ 2997.410383] __should_failslab+0x124/0x180 [ 2997.414606] should_failslab+0x9/0x14 [ 2997.418392] kmem_cache_alloc+0x2af/0x760 [ 2997.422534] ? alloc_pages_current+0x114/0x210 [ 2997.427102] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2997.432025] mmu_topup_memory_caches+0x2fa/0x3a0 [ 2997.436767] ? debug_check_no_locks_freed+0x310/0x310 [ 2997.442118] kvm_mmu_load+0x21/0x10e0 [ 2997.445905] ? kasan_check_write+0x14/0x20 [ 2997.450124] vcpu_enter_guest+0x3a83/0x6060 [ 2997.454432] ? print_usage_bug+0xc0/0xc0 [ 2997.458484] ? kvm_set_msr_common+0x2680/0x2680 [ 2997.463137] ? vmx_vcpu_load+0xada/0xfe0 [ 2997.467190] ? __lock_acquire+0x7f5/0x5140 [ 2997.471409] ? vmx_vcpu_reset+0x1030/0x1030 [ 2997.475714] ? graph_lock+0x170/0x170 [ 2997.479501] ? graph_lock+0x170/0x170 [ 2997.483284] ? __lock_acquire+0x7f5/0x5140 [ 2997.487506] ? debug_check_no_locks_freed+0x310/0x310 [ 2997.492689] ? __lock_is_held+0xb5/0x140 [ 2997.496736] ? lock_acquire+0x1dc/0x520 [ 2997.500704] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2997.505715] ? lock_release+0xa10/0xa10 [ 2997.509679] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2997.514941] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2997.519433] ? preempt_notifier_dec+0x20/0x20 [ 2997.523926] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2997.528760] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2997.533773] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2997.542787] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2997.548484] ? graph_lock+0x170/0x170 [ 2997.552272] ? find_held_lock+0x36/0x1c0 [ 2997.556326] ? lock_downgrade+0x8e0/0x8e0 [ 2997.560463] ? kasan_check_read+0x11/0x20 [ 2997.564601] ? rcu_is_watching+0x85/0x140 [ 2997.568742] ? rcu_report_qs_rnp+0x790/0x790 [ 2997.573140] ? __fget+0x40c/0x650 [ 2997.576670] ? find_held_lock+0x31/0x1c0 [ 2997.580724] ? expand_files.part.8+0x9a0/0x9a0 [ 2997.585290] ? kasan_check_write+0x14/0x20 [ 2997.589608] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2997.594522] ? wait_for_completion+0x870/0x870 [ 2997.599090] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2997.604265] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2997.609959] do_vfs_ioctl+0x1cf/0x16f0 [ 2997.613833] ? ioctl_preallocate+0x2e0/0x2e0 [ 2997.618225] ? fget_raw+0x20/0x20 [ 2997.621678] ? __sb_end_write+0xac/0xe0 [ 2997.625639] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2997.631168] ? fput+0x130/0x1a0 [ 2997.634434] ? ksys_write+0x1a6/0x250 [ 2997.638228] ? security_file_ioctl+0x94/0xc0 [ 2997.642971] ksys_ioctl+0xa9/0xd0 [ 2997.646413] __x64_sys_ioctl+0x73/0xb0 [ 2997.650375] do_syscall_64+0x1b1/0x800 [ 2997.654244] ? finish_task_switch+0x1ca/0x840 [ 2997.658727] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2997.663642] ? syscall_return_slowpath+0x30f/0x5c0 [ 2997.668565] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2997.673917] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2997.678753] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2997.683927] RIP: 0033:0x4559f9 [ 2997.687097] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2997.706340] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2997.714039] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 19:30:24 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 2997.721293] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2997.728546] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2997.735810] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2997.743064] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 000000000000005f 19:30:24 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x78, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:24 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x18, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 2997.779143] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:24 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf5ffffff], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:24 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f00000001c0)={0x0, 0x90, "716b9a839a06d078871b46fefb59e96b77fdc371d896a29854f37c188dadd4dac026dd074d27c6ba169b760572e2bba5bd22b174cdcba0e543bbd1a1725f21947b6b4e93f337269ec791df7031b0af9a6d01e1182ac84c4ea26d2f7c91af68a9ca598f5b55c74c4caca3f86e8a122770408955ba1dae8071b3bd0baa13b5dbec02c406cd1827899f65bc5b6404ec5012"}, &(0x7f0000000280)=0x98) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000000300)={0x40, 0x8202, 0xfffffffffffffffd, 0x8, r3}, &(0x7f0000000340)=0x10) r4 = dup3(r1, r1, 0x80000) ioctl$LOOP_SET_FD(r4, 0x4c00, r1) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r5 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r5, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:24 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1700]}, 0x18) 19:30:24 executing program 5 (fault-call:7 fault-nth:96): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 19:30:24 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0xc, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:24 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x77, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:24 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = syz_open_dev$audion(&(0x7f0000000180)='/dev/audio#\x00', 0x7, 0x40000) ioctl$KVM_S390_INTERRUPT_CPU(r3, 0x4010ae94, &(0x7f00000001c0)={0x8, 0x7, 0x2}) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) r4 = syz_open_dev$dspn(&(0x7f0000000000)='/dev/dsp#\x00', 0x80, 0x480000) ioctl$sock_inet_tcp_SIOCATMARK(r4, 0x8905, &(0x7f0000000200)) openat$cgroup_ro(r4, &(0x7f0000000140)='rdma.current\x00', 0x0, 0x0) 19:30:25 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(0xffffffffffffffff, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) [ 2998.229877] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2998.268012] FAULT_INJECTION: forcing a failure. [ 2998.268012] name failslab, interval 1, probability 0, space 0, times 0 19:30:25 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x48], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 2998.279413] CPU: 0 PID: 11182 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2998.286347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2998.295710] Call Trace: [ 2998.298315] dump_stack+0x1b9/0x294 [ 2998.301962] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2998.307176] ? __save_stack_trace+0x7e/0xd0 [ 2998.311517] should_fail.cold.4+0xa/0x1a [ 2998.315618] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2998.320731] ? kasan_kmalloc+0xc4/0xe0 [ 2998.324621] ? kasan_slab_alloc+0x12/0x20 [ 2998.328777] ? kmem_cache_alloc+0x12e/0x760 [ 2998.333113] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2998.334833] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2998.338072] ? kvm_mmu_load+0x21/0x10e0 [ 2998.338091] ? vcpu_enter_guest+0x3a83/0x6060 [ 2998.338105] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2998.338121] ? graph_lock+0x170/0x170 [ 2998.338143] ? do_syscall_64+0x1b1/0x800 [ 2998.369832] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2998.375216] ? find_held_lock+0x36/0x1c0 19:30:25 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 2998.379296] ? __lock_is_held+0xb5/0x140 [ 2998.383377] ? check_same_owner+0x320/0x320 [ 2998.387713] ? rcu_note_context_switch+0x710/0x710 [ 2998.392656] __should_failslab+0x124/0x180 [ 2998.396901] should_failslab+0x9/0x14 [ 2998.400713] kmem_cache_alloc+0x2af/0x760 [ 2998.404879] ? alloc_pages_current+0x114/0x210 [ 2998.409479] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2998.414428] mmu_topup_memory_caches+0x2fa/0x3a0 [ 2998.415302] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:25 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x64, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 2998.419194] ? debug_check_no_locks_freed+0x310/0x310 [ 2998.419217] kvm_mmu_load+0x21/0x10e0 [ 2998.419234] ? kasan_check_write+0x14/0x20 [ 2998.419251] vcpu_enter_guest+0x3a83/0x6060 [ 2998.419270] ? print_usage_bug+0xc0/0xc0 [ 2998.451129] ? kvm_set_msr_common+0x2680/0x2680 [ 2998.455805] ? vmx_vcpu_load+0xada/0xfe0 [ 2998.459882] ? __lock_acquire+0x7f5/0x5140 [ 2998.464118] ? vmx_vcpu_reset+0x1030/0x1030 [ 2998.468441] ? graph_lock+0x170/0x170 [ 2998.472231] ? graph_lock+0x170/0x170 [ 2998.476021] ? __lock_acquire+0x7f5/0x5140 [ 2998.480252] ? debug_check_no_locks_freed+0x310/0x310 [ 2998.485429] ? __lock_is_held+0xb5/0x140 [ 2998.489476] ? lock_acquire+0x1dc/0x520 [ 2998.493437] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2998.498437] ? lock_release+0xa10/0xa10 [ 2998.502395] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2998.507655] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2998.512131] ? preempt_notifier_dec+0x20/0x20 [ 2998.516624] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2998.521451] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2998.526458] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2998.530507] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2998.536202] ? graph_lock+0x170/0x170 [ 2998.539988] ? find_held_lock+0x36/0x1c0 [ 2998.544045] ? lock_downgrade+0x8e0/0x8e0 [ 2998.548179] ? kasan_check_read+0x11/0x20 [ 2998.552313] ? rcu_is_watching+0x85/0x140 [ 2998.556447] ? rcu_report_qs_rnp+0x790/0x790 [ 2998.560854] ? __fget+0x40c/0x650 [ 2998.564294] ? find_held_lock+0x31/0x1c0 [ 2998.568339] ? expand_files.part.8+0x9a0/0x9a0 [ 2998.573080] ? kasan_check_write+0x14/0x20 [ 2998.577301] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2998.582216] ? wait_for_completion+0x870/0x870 [ 2998.586794] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2998.591978] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2998.597673] do_vfs_ioctl+0x1cf/0x16f0 [ 2998.601548] ? ioctl_preallocate+0x2e0/0x2e0 [ 2998.605942] ? fget_raw+0x20/0x20 [ 2998.609384] ? __sb_end_write+0xac/0xe0 [ 2998.613347] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2998.618873] ? fput+0x130/0x1a0 [ 2998.622136] ? ksys_write+0x1a6/0x250 [ 2998.625924] ? security_file_ioctl+0x94/0xc0 [ 2998.630326] ksys_ioctl+0xa9/0xd0 [ 2998.633768] __x64_sys_ioctl+0x73/0xb0 [ 2998.637644] do_syscall_64+0x1b1/0x800 [ 2998.641513] ? finish_task_switch+0x1ca/0x840 [ 2998.645996] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2998.650920] ? syscall_return_slowpath+0x30f/0x5c0 [ 2998.655836] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2998.661366] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2998.666198] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2998.671371] RIP: 0033:0x4559f9 [ 2998.674538] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2998.693768] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2998.701462] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2998.708713] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2998.715963] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2998.723216] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 19:30:25 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f00000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 2998.730468] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 0000000000000060 19:30:25 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffa4]}, 0x18) 19:30:25 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x3, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 2998.816096] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:25 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x6e, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:25 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x700000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:25 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa0ffffff]}, 0x18) [ 2998.976374] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:26 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(0xffffffffffffffff, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:26 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7400000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:26 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x13, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:26 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x23, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:26 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:26 executing program 5 (fault-call:7 fault-nth:97): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 19:30:26 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000]}, 0x18) 19:30:26 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0xce, 0xffffffffffffff2e) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 2999.258537] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:26 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 2999.310299] FAULT_INJECTION: forcing a failure. [ 2999.310299] name failslab, interval 1, probability 0, space 0, times 0 [ 2999.321679] CPU: 0 PID: 11255 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 2999.328616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2999.337975] Call Trace: [ 2999.340576] dump_stack+0x1b9/0x294 [ 2999.344219] ? dump_stack_print_info.cold.2+0x52/0x52 [ 2999.349415] ? __save_stack_trace+0x7e/0xd0 [ 2999.353751] should_fail.cold.4+0xa/0x1a 19:30:26 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc0ffffff]}, 0x18) [ 2999.357828] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 2999.362940] ? kasan_kmalloc+0xc4/0xe0 [ 2999.366832] ? kasan_slab_alloc+0x12/0x20 [ 2999.370989] ? kmem_cache_alloc+0x12e/0x760 [ 2999.375358] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2999.380299] ? kvm_mmu_load+0x21/0x10e0 [ 2999.384287] ? vcpu_enter_guest+0x3a83/0x6060 [ 2999.388791] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2999.391555] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2999.393812] ? graph_lock+0x170/0x170 19:30:26 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x12, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 2999.393831] ? do_syscall_64+0x1b1/0x800 [ 2999.393852] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2999.393873] ? find_held_lock+0x36/0x1c0 [ 2999.393892] ? __lock_is_held+0xb5/0x140 [ 2999.425516] ? check_same_owner+0x320/0x320 [ 2999.429851] ? rcu_note_context_switch+0x710/0x710 [ 2999.434800] __should_failslab+0x124/0x180 [ 2999.439054] should_failslab+0x9/0x14 [ 2999.442867] kmem_cache_alloc+0x2af/0x760 [ 2999.447038] ? alloc_pages_current+0x114/0x210 [ 2999.451631] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 2999.456579] mmu_topup_memory_caches+0x2fa/0x3a0 19:30:26 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c00], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 2999.461340] ? debug_check_no_locks_freed+0x310/0x310 [ 2999.466546] kvm_mmu_load+0x21/0x10e0 [ 2999.470365] ? kasan_check_write+0x14/0x20 [ 2999.474606] vcpu_enter_guest+0x3a83/0x6060 [ 2999.478942] ? print_usage_bug+0xc0/0xc0 [ 2999.483017] ? kvm_set_msr_common+0x2680/0x2680 [ 2999.487698] ? vmx_vcpu_load+0xada/0xfe0 [ 2999.491772] ? __lock_acquire+0x7f5/0x5140 [ 2999.496081] ? vmx_vcpu_reset+0x1030/0x1030 [ 2999.500405] ? graph_lock+0x170/0x170 [ 2999.504214] ? graph_lock+0x170/0x170 19:30:26 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x76, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 2999.508018] ? __lock_acquire+0x7f5/0x5140 [ 2999.512263] ? debug_check_no_locks_freed+0x310/0x310 [ 2999.517211] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2999.517460] ? __lock_is_held+0xb5/0x140 [ 2999.517486] ? lock_acquire+0x1dc/0x520 [ 2999.535888] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 2999.540920] ? lock_release+0xa10/0xa10 [ 2999.544907] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 2999.550193] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 2999.554697] ? preempt_notifier_dec+0x20/0x20 19:30:26 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 2999.559213] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2999.564061] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 2999.569094] kvm_vcpu_ioctl+0x79d/0x12e0 [ 2999.573171] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2999.578894] ? graph_lock+0x170/0x170 [ 2999.582700] ? find_held_lock+0x36/0x1c0 [ 2999.586775] ? lock_downgrade+0x8e0/0x8e0 [ 2999.590937] ? kasan_check_read+0x11/0x20 [ 2999.595112] ? rcu_is_watching+0x85/0x140 [ 2999.598071] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 2999.599260] ? rcu_report_qs_rnp+0x790/0x790 [ 2999.599286] ? __fget+0x40c/0x650 [ 2999.599307] ? find_held_lock+0x31/0x1c0 [ 2999.599325] ? expand_files.part.8+0x9a0/0x9a0 [ 2999.599341] ? kasan_check_write+0x14/0x20 [ 2999.599355] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 2999.599373] ? wait_for_completion+0x870/0x870 [ 2999.640084] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 2999.645296] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 2999.651019] do_vfs_ioctl+0x1cf/0x16f0 [ 2999.654927] ? ioctl_preallocate+0x2e0/0x2e0 19:30:26 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 2999.659346] ? fget_raw+0x20/0x20 [ 2999.662813] ? __sb_end_write+0xac/0xe0 [ 2999.666801] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 2999.672346] ? fput+0x130/0x1a0 [ 2999.675637] ? ksys_write+0x1a6/0x250 [ 2999.679449] ? security_file_ioctl+0x94/0xc0 [ 2999.683874] ksys_ioctl+0xa9/0xd0 [ 2999.687343] __x64_sys_ioctl+0x73/0xb0 [ 2999.691243] do_syscall_64+0x1b1/0x800 [ 2999.695133] ? finish_task_switch+0x1ca/0x840 [ 2999.699640] ? syscall_return_slowpath+0x5c0/0x5c0 [ 2999.704586] ? syscall_return_slowpath+0x30f/0x5c0 [ 2999.709634] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 2999.715015] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 2999.719879] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2999.725073] RIP: 0033:0x4559f9 [ 2999.728258] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 2999.729000] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:26 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x78, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 2999.747616] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 2999.747632] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 2999.747639] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 2999.747647] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 2999.747655] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 2999.747662] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 0000000000000061 19:30:26 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7d, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:26 executing program 5 (fault-call:7 fault-nth:98): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 19:30:26 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:26 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f000000]}, 0x18) 19:30:26 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0xa}, 0x8) 19:30:26 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:26 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) preadv(r1, &(0x7f0000000500)=[{&(0x7f00000001c0)}, {&(0x7f0000000200)=""/154, 0x9a}, {&(0x7f0000000600)=""/4096, 0x1000}, {&(0x7f0000000440)=""/188, 0xbc}, {&(0x7f0000001600)=""/197, 0xc5}, {&(0x7f0000000300)=""/64, 0x40}], 0x6, 0x0) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r4 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vsock\x00', 0x0, 0x0) ioctl$KVM_SET_MP_STATE(r4, 0x4004ae99, &(0x7f0000000180)=0x5) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:26 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet6_MRT6_ADD_MFC_PROXY(r1, 0x29, 0xd2, &(0x7f0000000140)={{0xa, 0x4e24, 0x5, @empty, 0x5}, {0xa, 0x4e21, 0xffff, @remote={0xfe, 0x80, [], 0xbb}, 0xe6b5}, 0x81, [0x7fff, 0x2, 0x9e3, 0xa6, 0x7, 0x4, 0x3, 0x100]}, 0x5c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 3000.203562] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 3000.242809] FAULT_INJECTION: forcing a failure. [ 3000.242809] name failslab, interval 1, probability 0, space 0, times 0 [ 3000.254163] CPU: 1 PID: 11332 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 3000.261091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3000.270446] Call Trace: [ 3000.273040] dump_stack+0x1b9/0x294 [ 3000.276680] ? dump_stack_print_info.cold.2+0x52/0x52 [ 3000.281875] ? __save_stack_trace+0x7e/0xd0 [ 3000.286214] should_fail.cold.4+0xa/0x1a [ 3000.290286] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 3000.295407] ? kasan_kmalloc+0xc4/0xe0 [ 3000.299305] ? kasan_slab_alloc+0x12/0x20 19:30:27 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:27 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x7) 19:30:27 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7a000000]}, 0x18) [ 3000.303453] ? kmem_cache_alloc+0x12e/0x760 [ 3000.307785] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 3000.312720] ? kvm_mmu_load+0x21/0x10e0 [ 3000.316696] ? vcpu_enter_guest+0x3a83/0x6060 [ 3000.321190] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 3000.326209] ? graph_lock+0x170/0x170 [ 3000.330016] ? do_syscall_64+0x1b1/0x800 [ 3000.334088] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3000.339462] ? find_held_lock+0x36/0x1c0 [ 3000.343538] ? __lock_is_held+0xb5/0x140 [ 3000.347615] ? check_same_owner+0x320/0x320 19:30:27 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x11, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 3000.351944] ? rcu_note_context_switch+0x710/0x710 [ 3000.356890] __should_failslab+0x124/0x180 [ 3000.361141] should_failslab+0x9/0x14 [ 3000.364946] kmem_cache_alloc+0x2af/0x760 [ 3000.369108] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 3000.374047] mmu_topup_memory_caches+0x2fa/0x3a0 [ 3000.378816] kvm_mmu_load+0x21/0x10e0 [ 3000.382624] ? kvm_cpu_has_injectable_intr+0x11/0x1f0 [ 3000.387825] ? kvm_cpu_has_injectable_intr+0x13c/0x1f0 [ 3000.393113] vcpu_enter_guest+0x3a83/0x6060 [ 3000.397449] ? print_usage_bug+0xc0/0xc0 [ 3000.401522] ? kvm_set_msr_common+0x2680/0x2680 [ 3000.406199] ? vmx_vcpu_load+0xada/0xfe0 [ 3000.410270] ? __lock_acquire+0x7f5/0x5140 [ 3000.414521] ? vmx_vcpu_reset+0x1030/0x1030 [ 3000.418954] ? graph_lock+0x170/0x170 [ 3000.422760] ? graph_lock+0x170/0x170 [ 3000.426559] ? __lock_acquire+0x7f5/0x5140 [ 3000.430824] ? debug_check_no_locks_freed+0x310/0x310 [ 3000.436023] ? __lock_is_held+0xb5/0x140 [ 3000.440174] ? lock_acquire+0x1dc/0x520 [ 3000.444154] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 3000.449179] ? lock_release+0xa10/0xa10 [ 3000.453162] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 3000.458534] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 3000.463033] ? preempt_notifier_dec+0x20/0x20 [ 3000.467538] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 3000.472384] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 3000.477398] kvm_vcpu_ioctl+0x79d/0x12e0 [ 3000.481461] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 3000.487161] ? graph_lock+0x170/0x170 [ 3000.490951] ? find_held_lock+0x36/0x1c0 [ 3000.495000] ? lock_downgrade+0x8e0/0x8e0 [ 3000.499142] ? kasan_check_read+0x11/0x20 [ 3000.503276] ? rcu_is_watching+0x85/0x140 [ 3000.507411] ? rcu_report_qs_rnp+0x790/0x790 [ 3000.512684] ? __fget+0x40c/0x650 [ 3000.516122] ? find_held_lock+0x31/0x1c0 [ 3000.520168] ? expand_files.part.8+0x9a0/0x9a0 [ 3000.524743] ? kasan_check_write+0x14/0x20 [ 3000.528961] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 3000.533876] ? wait_for_completion+0x870/0x870 [ 3000.538455] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 3000.543633] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 3000.549331] do_vfs_ioctl+0x1cf/0x16f0 [ 3000.553207] ? ioctl_preallocate+0x2e0/0x2e0 [ 3000.557597] ? fget_raw+0x20/0x20 [ 3000.561035] ? __sb_end_write+0xac/0xe0 [ 3000.564997] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 3000.570520] ? fput+0x130/0x1a0 [ 3000.573784] ? ksys_write+0x1a6/0x250 [ 3000.577571] ? security_file_ioctl+0x94/0xc0 [ 3000.581963] ksys_ioctl+0xa9/0xd0 [ 3000.585402] __x64_sys_ioctl+0x73/0xb0 [ 3000.589273] do_syscall_64+0x1b1/0x800 [ 3000.593144] ? finish_task_switch+0x1ca/0x840 [ 3000.597624] ? syscall_return_slowpath+0x5c0/0x5c0 [ 3000.602540] ? syscall_return_slowpath+0x30f/0x5c0 [ 3000.607465] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 3000.612822] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 3000.617675] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3000.622854] RIP: 0033:0x4559f9 [ 3000.626034] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 3000.645269] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 19:30:27 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 3000.652971] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 3000.660221] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 3000.667471] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 3000.674724] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 3000.681977] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 0000000000000062 19:30:27 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x20000188) [ 3000.771823] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:27 executing program 5 (fault-call:7 fault-nth:99): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) [ 3000.916376] FAULT_INJECTION: forcing a failure. [ 3000.916376] name failslab, interval 1, probability 0, space 0, times 0 [ 3000.927762] CPU: 0 PID: 11366 Comm: syz-executor5 Not tainted 4.17.0+ #89 [ 3000.934695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3000.944053] Call Trace: [ 3000.946655] dump_stack+0x1b9/0x294 [ 3000.950302] ? dump_stack_print_info.cold.2+0x52/0x52 [ 3000.955503] ? finish_task_switch+0x4c0/0x840 [ 3000.960015] should_fail.cold.4+0xa/0x1a [ 3000.964090] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 3000.969209] ? __schedule+0x809/0x1e30 [ 3000.973106] ? do_syscall_64+0x1b1/0x800 [ 3000.977198] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3000.982572] ? __sched_text_start+0x8/0x8 [ 3000.986724] ? find_held_lock+0x36/0x1c0 [ 3000.990795] ? __lock_is_held+0xb5/0x140 [ 3000.994855] ? f2fs_trim_fs+0x3d0/0x13a0 [ 3000.998940] ? check_same_owner+0x320/0x320 [ 3001.003281] __should_failslab+0x124/0x180 [ 3001.007528] should_failslab+0x9/0x14 [ 3001.011343] kmem_cache_alloc+0x2af/0x760 [ 3001.015504] ? alloc_pages_current+0x114/0x210 [ 3001.020093] ? mmu_topup_memory_caches+0x2fa/0x3a0 [ 3001.025035] mmu_topup_memory_caches+0x2fa/0x3a0 [ 3001.029796] ? debug_check_no_locks_freed+0x310/0x310 [ 3001.034995] kvm_mmu_load+0x21/0x10e0 [ 3001.038807] ? kasan_check_write+0x14/0x20 [ 3001.043051] vcpu_enter_guest+0x3a83/0x6060 [ 3001.047387] ? print_usage_bug+0xc0/0xc0 [ 3001.051461] ? kvm_set_msr_common+0x2680/0x2680 [ 3001.056130] ? vmx_vcpu_load+0xada/0xfe0 [ 3001.060144] Unknown ioctl 1074048665 [ 3001.060200] ? __lock_acquire+0x7f5/0x5140 [ 3001.068119] ? vmx_vcpu_reset+0x1030/0x1030 [ 3001.072711] ? graph_lock+0x170/0x170 [ 3001.076526] ? graph_lock+0x170/0x170 [ 3001.080323] ? __lock_acquire+0x7f5/0x5140 [ 3001.084548] ? debug_check_no_locks_freed+0x310/0x310 [ 3001.089735] ? __lock_is_held+0xb5/0x140 [ 3001.093845] ? allocate_new_segments+0xc0/0x280 [ 3001.098509] ? lock_acquire+0x1dc/0x520 [ 3001.102488] ? kvm_arch_vcpu_ioctl_run+0x234/0x1690 [ 3001.107510] ? lock_release+0xa10/0xa10 [ 3001.111487] ? kvm_arch_vcpu_ioctl_set_fpu+0x340/0x340 [ 3001.116772] ? kvm_arch_dev_ioctl+0x5f0/0x5f0 [ 3001.121265] ? preempt_notifier_dec+0x20/0x20 [ 3001.123702] Unknown ioctl 1074048665 [ 3001.125786] kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 3001.125801] ? kvm_arch_vcpu_ioctl_run+0x33e/0x1690 [ 3001.125827] kvm_vcpu_ioctl+0x79d/0x12e0 [ 3001.125845] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 3001.125864] ? graph_lock+0x170/0x170 [ 3001.152900] ? find_held_lock+0x36/0x1c0 [ 3001.156963] ? lock_downgrade+0x8e0/0x8e0 [ 3001.161105] ? kasan_check_read+0x11/0x20 [ 3001.165236] ? rcu_is_watching+0x85/0x140 [ 3001.169365] ? rcu_report_qs_rnp+0x790/0x790 [ 3001.173760] ? __fget+0x40c/0x650 [ 3001.177221] ? find_held_lock+0x31/0x1c0 [ 3001.181276] ? expand_files.part.8+0x9a0/0x9a0 [ 3001.185840] ? kasan_check_write+0x14/0x20 [ 3001.190059] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 3001.194989] ? wait_for_completion+0x870/0x870 [ 3001.199581] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 3001.204782] ? kvm_uevent_notify_change.part.29+0x440/0x440 [ 3001.210500] do_vfs_ioctl+0x1cf/0x16f0 [ 3001.214389] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3001.219151] ? ioctl_preallocate+0x2e0/0x2e0 [ 3001.223568] ? fget_raw+0x20/0x20 [ 3001.227038] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 3001.232581] ? fput+0x130/0x1a0 [ 3001.235861] ? ksys_write+0x1a6/0x250 [ 3001.239647] ? security_file_ioctl+0x94/0xc0 [ 3001.244047] ksys_ioctl+0xa9/0xd0 [ 3001.247497] __x64_sys_ioctl+0x73/0xb0 [ 3001.251377] do_syscall_64+0x1b1/0x800 [ 3001.255264] ? finish_task_switch+0x1ca/0x840 [ 3001.259766] ? syscall_return_slowpath+0x5c0/0x5c0 [ 3001.264701] ? syscall_return_slowpath+0x30f/0x5c0 [ 3001.269905] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 3001.275285] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 3001.280146] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3001.285348] RIP: 0033:0x4559f9 [ 3001.288535] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 3001.307901] RSP: 002b:00007fac80bb2c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 19:30:28 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:28 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6200]}, 0x18) 19:30:28 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x65, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:28 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) socket$inet6(0xa, 0x1, 0x8010000000000084) getsockopt$inet_sctp6_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x12, &(0x7f0000000040), &(0x7f0000000080)=0x4) ioctl$sock_inet6_udp_SIOCINQ(r0, 0x541b, &(0x7f0000000000)) listen(r0, 0xffefffffffffff7f) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") ioctl$sock_SIOCGIFCONF(r0, 0x8910, &(0x7f0000000100)=@req={0x28, &(0x7f00000000c0)={'ipddp0\x00', @ifru_flags=0x1}}) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:28 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 19:30:28 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000140)='/dev/autofs\x00', 0x20000, 0x0) getsockopt$EBT_SO_GET_INIT_ENTRIES(r3, 0x0, 0x83, &(0x7f0000000200)={'nat\x00', 0x0, 0x3, 0x2e, [], 0x1, &(0x7f0000000180)=[{}], &(0x7f00000001c0)=""/46}, &(0x7f0000000280)=0x78) r4 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r4, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:28 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) [ 3001.315624] RAX: ffffffffffffffda RBX: 00007fac80bb36d4 RCX: 00000000004559f9 [ 3001.322903] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 3001.330176] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 3001.337451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 [ 3001.344710] R13: 00000000004bdac5 R14: 00000000004cb818 R15: 0000000000000063 19:30:28 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) readv(r0, &(0x7f00000001c0)=[{&(0x7f0000000000)=""/55, 0x37}, {&(0x7f0000000140)=""/47, 0x2f}, {&(0x7f0000000600)=""/4096, 0x1000}, {&(0x7f0000000180)=""/20, 0x14}], 0x4) 19:30:28 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4500]}, 0x18) 19:30:28 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") llistxattr(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)=""/229, 0xe5) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 3001.434169] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:28 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff7f], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 3001.567622] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:28 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x15, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:28 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f00000000000000]}, 0x18) 19:30:28 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0x5451, 0x0) 19:30:28 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f00], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:28 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) socket$can_raw(0x1d, 0x3, 0x1) 19:30:28 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000]}, 0x18) [ 3001.756220] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:29 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae3a, 0x0) 19:30:29 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:29 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x9, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:29 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x2) r2 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000)='/dev/audio\x00', 0x4600, 0x0) sendmsg$netrom(r2, &(0x7f00000003c0)={&(0x7f0000000040)=@ax25={0x3, {"051de27d721f5c"}, 0x7}, 0x10, &(0x7f0000000380)=[{&(0x7f0000000080)="8dd45ed3bd2181f15d4606adb64fe4aec332f1438d56a0829dc0625de1c74a73b5b3299e78606eb1fb61365c5ce4983a3663bc5610bc822b538aaf40369f8fe0873a71f08d6356e7f2aede296d19dd8ca8", 0x51}, {&(0x7f00000001c0)="d78d0326270a5597fc3c746491a9963a1e26c26465afadf18e47a7711652a150541734d4175854a4fc7e12011bfbafc0d6489a4c31d951e2a71d26aa566a08a8eacff53bcde57354a625de395054edea63929d38c4e146f1327122c34e49bb7bb5d2f93eba0a1833648beff3eb024a2ef07412422ce39fb45b796b263f9f89b0eb0ce395cb333cf81aacd77b9e5ce9", 0x8f}, {&(0x7f00000002c0)="329c8592c883836bda9f59c36751af0489835e19f6e85412eb2abd456f567b6408671ec390d3d05701a183cab6576465f47d61a0108fe2831b2dbf998109f80152ba847cfb4e4ed9dc4723afe80d34a8e87362d784a99ca091ced0b011901d8cca82fe75fc3674b8e3185fa735f110d9c8e9b77540753b5946406cf59d7bf293f0d3eb87d1b4c4903b71a326c35500cd47a81a7ed0e71ae1af95db3da59f2a8b4b76fcbec3b0", 0xa6}, {&(0x7f0000000100)="c5f9e3ca1824689e46fc9477f71049c37f26a8f0829be8fcc670980e9147bfb054a0e0b7e130348bd5836204c68f79ede876dc558e28d1e15cc36e5864854b23c93cb8e8", 0x44}], 0x4, 0x0, 0x0, 0x1}, 0x80) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) socketpair(0x9, 0x0, 0x5, &(0x7f0000000400)) listen(r1, 0xffefffffffffff7f) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:29 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe4ffffff00000000]}, 0x18) 19:30:29 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:29 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:29 executing program 4: r0 = socket$inet6(0xa, 0x800, 0x8010000000000080) pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80000) getsockopt$bt_l2cap_L2CAP_LM(r2, 0x6, 0x3, &(0x7f0000000140), &(0x7f0000000180)=0x4) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) mq_timedsend(r1, &(0x7f0000003380)="08279a31a0950e0ea4bdbd633086379c25c80f495e8d76c74c4b30d8c129392c6dc5ed11d544fbca7a7ca5c7df348860170394f04a3602084dbfcf5b1c7289bfdac629a234693aba688c022d2852d6c5bc44157b0be35ef77a30ba3a4badd9d3ef541e78bf97178f87eaf1c9020299ccd970a96345", 0x75, 0x6, 0x0) listen(r0, 0x6) sendmmsg(r1, &(0x7f00000032c0)=[{{&(0x7f00000001c0)=@nl=@proc={0x10, 0x0, 0x25dfdbfb, 0x1000}, 0x80, &(0x7f0000001680)=[{&(0x7f0000000240)="d62f2f6e54f47809e9e2b4b1e5f7b3a2e6a86baf80adc43e62791b3cf0e09bcbe50a7bca951147d3c7a643bc6e7723fcc92f97ff08", 0x35}, {&(0x7f0000000600)="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0x1000}, {&(0x7f0000000440)="14d329bfb524e4f535bcc76c456ad326d4605558283b77338d894a34b077a4686ce34d67e90d0fe4233761c592dccdd9c8a0a6bd88ec57dbc68300ca6578bc6d72b7121b1e764b333542f57ec959dab49452c3fcc65fbc67017d06fc00c3b23b4184ebdf2737d2961480b2ee68aca0b5e3512e2467895e6d5d633d5aed2c9124fa40ed16b6913e2a26", 0x89}, {&(0x7f0000000300)="10cfabc4d4bd88c2d5fc9460acbce0cdf2dcb1de11b33fcd458c05bbfbf68c8de9c6a828024294e0482b32cf8296d6041ed1fe02ae9315348bda362d8c7ae0f8733fb03d841100d7735bb297e79afabdfa56cfd4371827b09059ad16b7cc023c8bde66ac9d349786356b", 0x6a}, {&(0x7f0000000280)="333d4bfaa2a30d0ca9d5209371a9de231f3e6567", 0x14}, {&(0x7f0000000500)="8b07e0e7cd4b71bbc504cbcfd6da420f49abcd8b776c52ec4c1499e3776b224214fcbdc93a5fa870edbb9eba8a62f324277376328224c3968db1d5796cb97379658d", 0x42}, {&(0x7f0000000580)="c5", 0x1}, {&(0x7f0000001600)="0ae96507f5ac2a9b420b967203e9b38d92df9f2df308272f14092983e6aaa860f9f57c9f1264de9909486433ff61b26d03e5c78d8e35d45317679e99871bd03f620f554872bbc05faa4ffbc9afa2a4", 0x4f}], 0x8, &(0x7f0000001700)=[{0x40, 0x107, 0x8, "c65544073606fdd144eab0c84393ef146c49094b61937f56ef19b634413f0b62ff24ed2b93d0e86899ddc08cfe3ba5"}], 0x40, 0x8004}, 0x7fff}, {{&(0x7f0000001740)=@ax25={0x3, {"f8125db33d0971"}, 0x9}, 0x80, &(0x7f0000001880)=[{&(0x7f00000017c0)="01b6c4993be405d1ebb8127f136740641a4ec1172bbe959943fe88e77b492de384f7f4adf2724e14a516c307e29bc5781a2c684c5bb155312dbdca942d996d48e54709afff44278a1ea2e85ff0d893a26330fe5893486203b34b4f6851aa1e255aeea1d12a848573eede9ac4bd19700515316bd25942dcc90a122cb63e3dd8a6b97196663412916e09d9a0d7742970", 0x8f}], 0x1, &(0x7f00000018c0)=ANY=[@ANYBLOB="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"], 0x418, 0x10}, 0x848}, {{&(0x7f0000001d00)=@ethernet={0x7, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xc}}, 0x80, &(0x7f00000030c0)=[{&(0x7f0000001d80)="36299f66f43a0e994d242727d60be832e002946e0e4107e14c5d1773f9b44e706aa3", 0x22}, {&(0x7f0000001dc0)="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0x1000}, {&(0x7f0000002dc0)="253613674455c15793cbd6d3a2fd8488424f616a4e02668fcfd1f7ffbcf587797098ab316f76962c1ee221fcf3f3c70c54884f33b879fcc90c284afb75d29bde8ea097372519d1cf265427329935eb5e5f39208f7949ce7267b399d0bb8762f5f12c25ee48", 0x65}, {&(0x7f0000002e40)="f184e96a7c85e3d00dd58437924a3f34b9da8fb54ce0a8befc5fef153ae94b11f9abd6f0ca87a84bd15217e3158789cb515cebd555ba6ab669e181ae049be2d3710cb52720c3023f2fa1d656421798fc409d678fc43b67ad79f7873201c8e6f0f89a2c4f9606eeda098d0bf3f06e2a965d4b4762003eab659c9b", 0x7a}, {&(0x7f0000002ec0)="d6847b8d2913699cf4cc5981acda3598cbe17731cd7a25722fc70a9d994c41920e052e731fd0c4119a3ee27f640872a1ead75edb341a4de39f2103b5790e0e5891bdb4bf", 0x44}, {&(0x7f0000002f40)="a836148ade1c50072d851cc14a2f140e53977891c82d8fa257373dec6756bc72f83bbfb646862a55f8baad3f6e37444792cbf34d9e2288d9415af8fe007396bb44121a65f3fa09e7e2997a1843b9a2d2d0ef6e9ac8b9ce82c6adcde7cd42d761d203bbc2f561a06ef317fcb33b2d6e80db4c06a75ce845bb229ef5c38cf8de0aa617322950af2ce5701e7989ec3618f4db24a2e28b77c55b2a86", 0x9a}, {&(0x7f0000003000)="f576faadc04b2655d0b6f207ea78156ddd4c85fb239178970ebceabc35fa221361602d7db8900be5c0f6be65e83f335ecaf0e75f37def3bf6245776001bd6b85b8682c7e6f54f863140f49ee93621a4adc9c5faa5bab2f0163e02e5336eaddc8272950e4f0c6192013f8036a28a80fbb31ef041d25a4515a119ccc93c7f5a78ca5e0889706f0c0882183a08e0f1c9b18634d0c7f122cf29c57acac616960ff0300c6cb0f1e666df1d12665d73baba9fb64904367b344cf", 0xb7}], 0x7, &(0x7f0000003140)=[{0x80, 0x105, 0x0, "d784f3cde26262d40d57d2fa6647e4974effabcd798e5dd4ef40052a3d16840b54c2a70ee63b93bb477fdbb1183e91fe5f91a377d2ba8c46a1580b5f669f04deba025e58aa85b2984d4a93bcd1ccebaf5089630d2cce13cd16e21c2462607ed6f75cebee1820e2df0f01a04b82abdeb2"}, {0x48, 0x117, 0x0, "3cfc9d8657a1f5ff91e64eb643d50481f806940e338f60108d06d120952b003ad4378bfaf2b11edc6c6d39462759085e8475"}, {0x80, 0x1bf, 0x22, "b91a70aadcbe77012b92d71ebe725aad0a35b8ca26bbcfe2211d22ca8c831dd191ac6ad51cbcb51f0254375dde35e119f3bd8771a64a35732fcc695ebad52aec9ec8cfad2c3d759827afd6521fc37f2b1c6c5eaa8ff277658e0fe7cd9da009463b6b84c015882ae8fab269ab4e"}], 0x148, 0x20008800}, 0x200}], 0x3, 0x800) readahead(r0, 0x856, 0x5) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r4 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r4, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:29 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x94ffffff00000000]}, 0x18) [ 3002.434376] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. 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Check SNMP counters. 19:30:29 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c00000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:29 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xc018ae85, 0x0) [ 3002.554604] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:29 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000]}, 0x18) 19:30:29 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x75, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:29 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r2, 0x10e, 0x1, &(0x7f0000000000)=0x1d, 0x4) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:29 executing program 3: r0 = socket$inet6(0xa, 0x8, 0x3) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0xab6, &(0x7f0000000000)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:29 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7a], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:29 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9cffffff]}, 0x18) [ 3002.735589] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:29 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8dffffff00000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:29 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0x40049409, 0x0) [ 3002.870792] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:30 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae11, 0x0) 19:30:30 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffb5]}, 0x18) 19:30:30 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:30 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x1fb) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") clock_gettime(0x0, &(0x7f0000000200)={0x0, 0x0}) r3 = dup3(r0, r0, 0x80000) ioctl$INOTIFY_IOC_SETNEXTWD(r3, 0x40044900, 0x20) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS(r0, 0xc05c5340, &(0x7f0000000240)={0x1e0, 0x2, 0xffffffffffffffff, {r1, r2+30000000}, 0x5, 0x9}) r4 = socket$inet6(0xa, 0x1, 0x8010000000000084) r5 = syz_open_dev$usbmon(&(0x7f00000001c0)='/dev/usbmon#\x00', 0x9, 0x20000) ioctl$EVIOCGREP(r5, 0x80084503, &(0x7f0000000600)=""/4096) bind$inet6(r4, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r4, 0x6) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) r7 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000340)='IPVS\x00') getsockopt$inet6_IPV6_IPSEC_POLICY(r3, 0x29, 0x22, &(0x7f00000018c0)={{{@in6=@dev, @in=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in=@multicast1}}, &(0x7f00000019c0)=0xe8) setsockopt$packet_drop_memb(r3, 0x107, 0x2, &(0x7f0000001a00)={r8, 0x1, 0x6, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}, 0x10) sendmsg$IPVS_CMD_DEL_DEST(r5, &(0x7f0000001600)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000440)=ANY=[@ANYBLOB="0c010000", @ANYRES16=r7, @ANYBLOB="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"], 0x10c}, 0x1, 0x0, 0x0, 0x850}, 0x4000) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r4, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r9 = accept4(r4, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) ioctl$BLKPBSZGET(r5, 0x127b, &(0x7f00000016c0)) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS(r5, 0xc05c5340, &(0x7f0000001640)={0x1, 0x6, 0x5, {0x0, 0x989680}, 0x0, 0x3f}) sendto$inet6(r6, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r9, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) getsockopt$sock_timeval(r6, 0x1, 0x15, &(0x7f0000000140), &(0x7f0000000180)=0x10) 19:30:30 executing program 3: socket$inet6(0xa, 0x201000000000002, 0x0) r0 = socket$inet6(0xa, 0x4, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0xffefffffffffff7f) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) sendto$inet6(r0, &(0x7f00000002c0)="3cd978e96cc0d26b4389051940a24cadbaa681a0683ffbf09c6f5578f401868ff5dc34b998f5377417ae00093ca15b4131e02d210769ec7b94c5cefa49db14bc4723f1a92bee30278fbe80e9905689473411a65886e458d9edf3782eb55915df064376c648cf11a161f53b47cea1504972f150e354da6a058915f5019ce38726d63ab6dd5cb250f912727500ec98a3632944fb25b831894d1b4e5a4e3ae812b1b71dc1945a8c2ef7de7ce81631dbc6ad0981c935ca58b4984e1bc73a2abf37e8f3e2b54dd0d0c1a35c8d0f906987090bc57fbc6f8ab8edf6330ce31b678af36ee9fc79b7c01faff98ae26e7c0494de6a4bb0a660c45909f82dffaef10f3cff3f02dd32f6153ec1b68f1a62c53f65380f4e56864f650b1cbbc7eabba29ed26acf31258121fa2ca64ca0a1f8d8d70ef86ee307c75f76dd658def7bb6672800312e1289e1cea5d22044e0f9b94c5ce9eca49eca3f1f68c470391f91113a6e0d52d7960deded7b36cd660d96dcec908ddebe7ca7d54596f8e1a2bfeec0bd46449d86bd2bd56842fc105c1563dddfb91224fd612f80f74a5250cceba56348ec74695728b97f6cc8def5df4ee9960368b9b8f9cc99cc56709831cd226ac85f13ef9e77c64d46c3189570d900ed62c3cfa1b64731b761dbf5c0535c8b59548029771850cb75d35d50429a1d2abee2667d6b5183e8d7e5ef9415add7ca6c3f32ea5df963b66e79e219ace84f77cddc3b4fa64e3ad62a03ac4cb1f164f72a481ce8d7d511a7e0a8eee86e53c60b451981b3c7cb34d6c6225287383ad3e92268d3ab2926448954d8356624dc73c7ce48c783c84fb3e79d78dff0d2b14f9ac2a453512f3f287e17b4acdf3a2fb4c325aa52ddbabb0c7e17ae562c772669d5630fd1ee171cd39bb0606d3ace6cf850bff7fd5fa185cf66ea4cdcd22f78a421e35d27bacdce6b2153d8abe67a79df8a6b8ff39e75bc9d69ce11055121b8e2d2c6184c5c7d99bf3d435f1426823a93c35db196006338116816309b9d839afaeef6eefea757c78c81e895be8d46ba65ce00594119ccdb4194c79a8c8eda90b66c850d1d4e8f1d09a0a96b407bc20c8c54b383700db10a03e580a4443acd44376b3e0806fa868f421c8c77d37c0d544ef207bbb2a3f2e39b91635033a7d56486d3ee60810ba735b531507ee2713631c4b6589f6d688a9471f52fb59d8f6f1d097275c05803820752901a938e1db189406afd87e3b88a3f8e7f04671ab7fcf5f79f7fc74925478aed31ff39a882d3c4c60bce3be6dfe78500db620fd64ba05b5c7406271ffe90d0975847b9f1aff273589edb2fba11a6726d366072407057b499719ca6fd01f04d53ab56bc8d3b1e87c678afb3a9d93a3c15661388f60d0724f981841bf8da9eeaf63c3e7f7397aedfaf5dccd6a711cc5529bb02dfdf10de12a50b314946b5822304fb1433636a83b9dea0028876d60788e9a26d00dcd8ad902ef61c12965fab28d1502c43bcd9aba74524cd02d7a8b1cec0f97e676d94cf6adfa74687e42abb42af1065c0a07542f38f45b554dded5c2a1d8c173f12f81e0dfc31f58a8aca62ed4ae06f11ce4a77be94d74eb10ffe52bdde7c94c6df3f0f16806bb31970bb8e9be66e27f34f880ac2013cb8007b10f07c61b45451c0e0bda6ade974a1e710062b0f54b49875fb2813232bbccdabe84d44b835d027a9c460420e1a422f80e950cff184ea0c527aa00b77be1bee83b8bdfccb6b59ade80461885d298880a2c0f60ed7c6c780c3c47a0074b979817a99606e51e1891b51a20f520193bbf39175df38767c94aec5598abe9d119b25e8bc72208cd30c19858423668ca5b84fe5f470c7c62c0181265e1240548ca7b213fa98bc91e881c7e14073a6953c12cca92f703d50a88e3df5b44e3538e00187a0b006fdd776abf14f7a05f85f1452d3a36c0b65cbc6f857bbd505aa62afb465983bd565d3cb84b34c9c8fae29d2df55ac968d94d96af36743ed935d08872666bd629f2a2c4abe5b9b25ed9095f09d3a0c2346a6aeb13237c2f612825d0688e10971a577213e0a5127e518328699eb15d12ef09fd5d3c85e455a4ea0ac0ca126e80b28df4ff5eb04c44e7097aaf7856513cb42aa2ecaa4022fbcc828942b646e5f8946f6ea3ad59dcc6320d6747be1987f0b6af8c6999a7bca441667f0dcc3750537e84c6ed7efd41e1c0e232f39b79827d809c5cce38f9955a30ce9df3b5862292030852dd9b5f88f2e820cc2d8a89f8db1e48ef9cf67f55f8f2023036112badd758499f953886e4dd3c6f4406929483d23d40af8eba90e5cd334e398629dc8a9abf5f50838c7d42f696634a07ec24bc54463a6b6ff0e418df843d4d3f7d4b7fd5d654e8e58d261fc125773054f0f0b9078a54e3b910b5ed0dd187dd64b457a27694d6333c5f1452fe1040eb3539112ac6b5fef589050d89b9fa4ad09d54bfb1424ebce1b699aa89e5471cf0b5f2611e277a60f4d77e93b8dce1172d463f801760448a45f831c64e2ec63761108cd4c7e66b5554b9ed24b99f477430131498c81cc50232d97c0443f2b862482330c445f5507d9d159e4424fbf2885e24b283a51e4d5d5302690789eb72c691267bbfb221f2f084bf55a78bc092ff7c63b5a2339ed1f356f82eab9986fe121b7bf55a330bdaefa168d014dc8d8916305dc8f1104af4461dd05052f937f3ac08951b282bc1a72bc210abaee3342a9bac04831d5455e01f48e37c7f081019ed911e6c37ee66e9bb6f71d95c7154b48905406d7b0bc97767cc4e6835bd9d6d67892291ee9e732cf192a2b1dac1b358c66be67b9294d81d132bbdc449c752a4ece7fe82bf791a1b8c4390fd1dd9531b2795632c5e37481a1d3590bd285607a5fa762719d0424bcaaf65592badf5bf56ec07c99e9d6bd23ddd69355f0f931b226feddec461aba716c25f6f5f6059e8dcb33302359f44f883556cfbc5da890c056d37d68b03b05948f04a0d428c03466dfc09477d61b8469161942219326dcdcdfa372a7d4d92ea4e5e6ce0afdb5fdaed7d2fe7a345adb190a1cd10662206ad6fbc19dbd75b6ea0e7410446d9f5bd3a06819fbe1b3dba2ed9fa095d702491cb54e6c9269e8be862aecfac4f62d277fa125a23a24a1a0f46a0795097f8be39bdc4089fa7d4f14d491a26e686ef5df2e0dba6fdb2ff1c894dd28d752f1004c1681692de580b27e6db0278732c91dd195b8ff21c5549f2954f7f0461c0b70cef0eda5b7c9663e565b19d0dc65656aa26279f736f2a8ebc56d721fddbc47d7eac0600322130dac95421d133667e32e8b99d65f2fd328e75a3ea53f878e909e945a105cd79356353b6bf59782cdb9f7eb77a2322a36756927404e38ee87bc380bac97dcf1c861c355813abe61b8156d2c1a5320e1d5bc3455a67fc7127e8f4e3de083d359050abe93b0e3f2db75b648b1df935cde0cc5f7c69ac0e3a536d5e53d12ff097b81b6ddd6fad1f6eb95f04fbe534bad14a7ed8c22aca65f5c7cafafc59661c3dc6190c8d15ea2651e220bcd54bb2d404565898f53c418f27f746e9d895f68cd43c08eb1aee206994ae10cdf338fc03c2a751655f8dd6ea5b6bffaba9fd23391110789d28697f0ade764b2d38619387df9bea017faeed29694c3e8c0437939f2895f1191d3f83c8b4a09d9f3f31f4cc6c28acd37f9161450cf12ab80a3b6e7a4df18fe2079fcf76a7996606d33c60c8ab30a5939a9bd0cc9f18ea03e5865d749959bd4798de3ea448e80429b94001b57598ab23881795f1052b6a80f9fde4151fdce1cd6efc612a4bd087494edcbacb7047d5fff0d1ce53ac298d35ed9713666d946bc01fd5a29c583795f9519a4f2bf9ef257d2614010eb390d28162b9a32ef20bc7bc6bbc6918c2e677a64ad746e34c25695eba4eb68bf3725842c372ab7eedd02da3f7a61392936ed13c97029c882c8257469549c82a62f21e356fce9dd2ccf935ed5dc22ca696aacec213941f7d5cc35a82ac7f19e85b766ef956e625ac177770db5eb8b9040ff02b9c8ee5033a8ceb851d925b12014dd3b0a260a75897aac423c4ca4aa3e9b8398307d155bb5086a33b8277471ed3e8784072e5e216cc4531a48b095c38de92e56f843a1d15d0d3b3d879ae70003c801d5582c5cf4043d6b6737477b9e8d957836e534a8753e702526b6771595069a334da609effd28844a5bb39b6a03b368087b8fbed67ba4609d4fb0e3414b93184c3fb26a42b181e38800b6ac539cff72a34e7a55317fbb13c4dcf1d06d3a8da40abeb5b7453148c83acc15299b87dd4335ed6d360ccb8795faa3faa1da3a44de5f0cd251dc6f3343037f024b6426936e3c1f70a2a94896f2d3bc208081838226e5195cb2b89b04d4365cfd7a886957bda8c33344509ca3a0270107617a037d0fb56da04227571e76695c6a00bc2c4a6af5ea1b3db5cab1b4f0c29835291350f45a7d52cf4f48edc610f3063ebe651fd4a239578e48969f6583f431429e675921ac17173bbcdac4e66c4dcf5b92248b4dd2dbc94b4ca9bbc6c7399e305e8fef5ca823b688ea8f191d88244630740d007f3093bbdacffb87dc8ea3955d5977cda5f6a8b9e824adc539fc71c93ec72c9021988fdb466b5d09da6e3a393725b3ad51294b5e1a3472d1b8e2e1b3e09780de4bad7f52a382f2e84c4699cb234581c2a0db084c47a8423161dcb7a5f8fb0400c858bfa1ecf6cf2fd1365a51648b7511cc7b64369c3ddc37b7af4e83db46130fb18e607e092626d0c62acc48a265f0298ee22df06b6f078a80a3014081c2b42cb4fdc937116cf0dae69bdec6bf9c3ed37a8bd941172793f680474e977557f37cbaa0479e8c11471eb9fcb81ece305dead63b92cfc6f1a25816dc91aa1dce2ea8582465e0068cef83929fbd27f50cb3386988dc02d3c0d6236709048543db9c2b72f4d8a0cce4a0988351404cbba1614b870438c219fc3bc0dbf6d6532b20e660fcfceeeb5aba81bb0177830bb03ecaf592f6f1bb383b709b7441a581b4d6b24825880e80068f72e2f6df9858c8759d1a1298548842a0aa7632a7f9353627f9e9ca1b6bc722c34ca3ceb08c9be6448e1c4d070a2ae39d77b2b7d1ec07a5008ae7b41bf6ba671bf8f0fc93a11ff015d4b81a6f4317c43a6fef0a9340f6e32a43335e7c5063fc36f69d85249da21bbc07928cc0cf1b14819f34de669e2a2ae530ad0f9afc7bea5fbe86c93c68ce19f8da1a62d3fcf95628161b5416fa33a637871b929a6fd61f6394427f17e3f224214c3e5ec6c5a8085eaa65ecef0abee321571d2e54a41ab89d728a1329a23aae562b9085ef47a8f015d166a877577f0a20c036eec15cc60ab09ba144d02819f2927a080c14132aa8347e68274e47de9ed5ca17c76ebf3c08e1f63763aee0d6df44c50ef1493f966a96a88f6b1b25c8ccd6761d4ba5542f583d288605d63d578eadf49fdf73d453ecd088869f4079ca6213d5b0b4dce3519541a65221f10a242c58addc10007910eedaedb1d2dd4681b770f41f659ac2e79ab622bb35a45f633c65ece30f67c9970b3f6858793dc9969e1fbccfea4c62bb11e3b0706a39b702b59ff6fc2874d199b8c796753618bf43152c088ba8c25106207df8dd46215e9c99976015febf8adb4627ee15e5815865b5d84e013b27fdd614f8389101cbb5c95a22f4d1a90795bb414c93f2d262c11792a1d3e531cc8dd4b938338b62619525af680b9771809022b7ad08b27ed57a45e8203bd32d72f419b697b81108e5753ceb510e33a0a47092fdde055d40683323b27c6f3803c9ea", 0x1000, 0x0, &(0x7f0000000000)={0xa, 0x4e21, 0x3, @ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}, 0x5}, 0x1c) r2 = socket$inet(0x2, 0x80b, 0x80000001) ioctl(r2, 0x0, &(0x7f0000000080)="405d02408788181f2e39b5b0b79308d738b059eae423faecda16c08f6d0370871842c6dccabf924e238612") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:30 executing program 4: r0 = syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0x9, 0x200) ioctl$KVM_GET_TSC_KHZ(r0, 0xaea3) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:30 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x6, 0x4) 19:30:30 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x72, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:30 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x94ffffff]}, 0x18) [ 3003.729771] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. 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Check SNMP counters. 19:30:30 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xaec0, 0x0) 19:30:30 executing program 0: 19:30:30 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:30 executing program 0: 19:30:30 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x75000000]}, 0x18) 19:30:30 executing program 3: r0 = socket$inet6(0xa, 0x80001, 0x7) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x400000004e1d, 0x3, @remote={0xfe, 0x80, [], 0xbb}}, 0x223) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x760, 0x1) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet6_icmp_ICMP_FILTER(r0, 0x1, 0x1, &(0x7f00000001c0)={0x1}, 0x4) ioctl$sock_SIOCGIFBR(r1, 0x8940, &(0x7f0000000140)=@generic={0x1, 0x400, 0x7f}) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f0000000040)={0x0, 0x6}, &(0x7f0000000080)=0x8) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f00000000c0)={r3, 0x401, 0x6, [0x44e, 0x0, 0x5, 0x8, 0x6, 0x1]}, 0x14) r4 = syz_open_dev$dspn(&(0x7f0000000100)='/dev/dsp#\x00', 0x8, 0x121c00) ioctl$TIOCEXCL(r4, 0x540c) [ 3003.905612] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:30 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x12, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:30 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff5], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:30 executing program 0: [ 3004.051634] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:31 executing program 0: 19:30:31 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x700000000000000]}, 0x18) 19:30:31 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:31 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x5, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:31 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r3 = syz_open_dev$mouse(&(0x7f0000000000)='/dev/input/mouse#\x00', 0x6, 0x8100) openat$cgroup_ro(r3, &(0x7f0000000040)='pids.current\x00', 0x0, 0x0) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:31 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = dup3(r2, r1, 0x80000) getsockopt$inet_pktinfo(0xffffffffffffff9c, 0x0, 0x8, &(0x7f0000000140)={0x0, @local, @multicast2}, &(0x7f0000000180)=0xc) setsockopt$packet_drop_memb(r3, 0x107, 0x2, &(0x7f00000001c0)={r4, 0x1, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x10) fcntl$addseals(r0, 0x409, 0x8) r5 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000240)=0x80, 0x0) setsockopt$inet_sctp6_SCTP_HMAC_IDENT(r0, 0x84, 0x16, &(0x7f0000000200)={0x2, [0x5, 0x5]}, 0x8) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r5, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:31 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f0000000000), &(0x7f0000000140)=0x4) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:31 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xaecd, 0x0) [ 3004.725791] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:31 executing program 0: 19:30:31 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6a000000]}, 0x18) 19:30:31 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) socket$bt_cmtp(0x1f, 0x3, 0x5) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:31 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:31 executing program 0: 19:30:31 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7900]}, 0x18) 19:30:31 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x502, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000000040)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet_sctp6_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f0000000140)=0x1f, 0x4) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) ioctl$ifreq_SIOCGIFINDEX_team(r1, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) ioctl$sock_inet6_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000100)={@mcast2={0xff, 0x2, [], 0x1}, 0x6f, r3}) [ 3004.966534] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:32 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae3b, 0x0) 19:30:32 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x71, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:32 executing program 0: 19:30:32 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x54]}, 0x18) 19:30:32 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf5ffffff00000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:32 executing program 2: r0 = socket$inet6(0xa, 0x1000000004002, 0x5) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:32 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) bind$inet6(0xffffffffffffffff, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(0xffffffffffffffff, 0xffefffffffffff7f) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x8, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) r2 = memfd_create(&(0x7f0000000000)='}eth0\x00', 0x2) ioctl$sock_bt_hidp_HIDPGETCONNINFO(r2, 0x800448d3, &(0x7f0000000040)={{0x3f, 0x8, 0x401, 0x4, 0x9, 0x7}, 0x400, 0x3ff, 0x1, 0x7, 0x8, "cee7644c9d691fdc8a7066ef8f0ca4ec07529f17a776f4ebff457de0aea0d631eb3cf251d3217575cff81d21c244c00a9e7dded08042ceda9ce89a592d96e83be38ff7a404a820e221c6ea9e65958b894b5680bfc69e1bfe48229374ac230ba13f847d6c889a1cfb67dd7b31ce76bc125fa9f3b6e800264d0eae4215e0ed5111"}) 19:30:32 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:32 executing program 0: [ 3005.930980] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:32 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x79]}, 0x18) 19:30:32 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8dffffff], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:32 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x0, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 3006.084221] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:33 executing program 0: 19:30:33 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5400000000000000]}, 0x18) 19:30:33 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0x2, 0x0) 19:30:33 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x79, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:33 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7a000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:33 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x10000000000003) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) setsockopt$inet6_MRT6_DEL_MFC(r2, 0x29, 0xcd, &(0x7f0000000000)={{0xa, 0x4e22, 0x6, @local={0xfe, 0x80, [], 0xaa}, 0xb7}, {0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x0, [0xff, 0x9, 0x1000, 0x25, 0xdb4, 0x5, 0x68, 0x5]}, 0x5c) 19:30:33 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xfffffffffffffff7) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) recvfrom$inet6(r0, &(0x7f0000000140)=""/40, 0x28, 0x40, 0x0, 0x0) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) r4 = gettid() fcntl$setownex(r3, 0xf, &(0x7f0000000180)={0x1, r4}) 19:30:33 executing program 4: r0 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x4, 0x80000) getsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000001c0), &(0x7f0000000200)=0x1) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000000240)=0x1, 0x4) bind$inet6(r0, &(0x7f0000000280)={0xa, 0x4e23, 0xfffffffffffffffe, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) getsockopt$IP_VS_SO_GET_INFO(r1, 0x0, 0x481, &(0x7f0000000140), &(0x7f0000000180)=0xc) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:33 executing program 0: [ 3006.855676] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:33 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff80], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:33 executing program 0: 19:30:33 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4700000000000000]}, 0x18) 19:30:33 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0x41a0ae8d, 0x0) [ 3007.008476] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:33 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6800000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:33 executing program 0: 19:30:33 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x6b, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:33 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7000000000000000]}, 0x18) 19:30:34 executing program 0: 19:30:34 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x800, 0x80) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f0000000040)={0x0, @in6={{0xa, 0x4e21, 0x5, @empty, 0x8363}}}, &(0x7f0000000100)=0x84) setsockopt$inet_sctp_SCTP_SET_PEER_PRIMARY_ADDR(r2, 0x84, 0x5, &(0x7f00000001c0)={r3, @in={{0x2, 0x4e21, @rand_addr=0x7fffffff}}}, 0x84) listen(r1, 0xffefffffffffff7f) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r4, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r4, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 3007.174975] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:34 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40000000000000]}, 0x18) 19:30:34 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0x4004ae8b, 0x0) 19:30:34 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:34 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0xb, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:34 executing program 0: 19:30:34 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000000]}, 0x18) 19:30:34 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) openat$uinput(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/uinput\x00', 0x4020000000400000, 0x0) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r2, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) sendto(r3, &(0x7f0000000200)="375cb0680e93981dc5eae9d8fd932935f7a791bef2f07278b16db6afe2c59492eb910fc06ae37642700786cdf719983ab4ee170717dfdf7474f57749756f2ddbfc4369901c09ec043af95aed8d7b023fadaf12bcbe465ad60c67e5144355d46dfb39c6573e83853d00bb4fe77c16f8043f996581f2e23f18b1754cbc292e557946ef2fce568b5ef52a27", 0x8a, 0x10, 0x0, 0x0) 19:30:34 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r2 = dup(r0) getsockopt$bt_BT_CHANNEL_POLICY(r2, 0x112, 0xa, &(0x7f0000000000)=0xfff, &(0x7f0000000080)=0x4) listen(r1, 0xffefffffffffff7f) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet6_udp_int(r1, 0x11, 0x64, &(0x7f0000000140)=0xfff, 0x4) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") close(r1) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:34 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e24, 0x0, @loopback={0x0, 0x1}, 0x5}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f0000000000)=0x3, 0x4) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(0xffffffffffffffff, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:34 executing program 0: [ 3007.932272] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:34 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x15000000]}, 0x18) 19:30:34 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) write(r0, &(0x7f0000000140)="49c9d1f5512cac69019aff9ec2fafcce65edfaed8e5664bbd3a81b3bfd12a3a4a4f5b3cd387bb0c9dd04249822e0ece87f57949f5233cb2ed46c3277e137229c9de189ead3e22e35b821fa06a8b75f6f6e4d97ea9a5b4811b57fbe47bf", 0x5d) setsockopt$inet_sctp6_SCTP_NODELAY(r0, 0x84, 0x3, &(0x7f0000000000)=0x81, 0x4) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:34 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 3008.102759] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:35 executing program 0: 19:30:35 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) write$binfmt_script(r0, &(0x7f0000000900)={'#! ', './file0', [{0x20, "8f2527736563757269747923707070312127656d31"}, {0x20, 'hash\x00'}, {0x20, 'eth1'}, {0x20, 'hash\x00'}, {0x20, "7070703026a7776c616e304376626f786e657431"}, {0x20, 'wlan0selinux'}, {0x20, 'cpuset^'}, {0x20, 'sha512-avx2\x00'}, {0x20, 'bond_slave_1\x00'}], 0xa, "a35b9ffbb2f77177abba6ea80eeacc04dedec2b92413d80c70d5dc2d3f536125383048dd22731e57996bf2d6e4452daaea813f452076250635adefc8453491244046ef485c172c2f5034849fb450e8aa095499fd6d1738266abf5037950d0419a8797c57349166ed81fc1591d0e30e184889b54cfde8158a78263b45cedd6488fb7b7d6d46de9ad5d2235342aa6d16fa49f3081f35fa54db08dbec3aafff20329bd1bd258c63d91c35f2b45c1987a7e359534b2bf27ffb1ab9dfcaaed2b61e2a9ed9e11b37296a372020a892a0e639977d58ce7d5e42c92e618ba41a2cb56ed5678b75ae3b64617a0c99242c8adf67414c74bad0f11f65fc1c3a60f692f64f2f807d0263de55eacbfffa62cfae59c81cad76f816231e255003e6def3ff224db57fc1da881ae7f8ab6fbbd252929c9c2af72e8274898c75b857382dedd2b3aa1ba5d80f95aadb49cd2271ab016bead886d80d7f6bf925f53054e957648c9ccf403ea9a7cdc89ceca559e2a1875a32abe6a3934c5e86694a87e787a4ccf03f525baf332311940e9e9449c0e5edadcad38fce24bb216b6e53629889445b319e0cf9796fefd25ccf3768684ca0c6bbfa93f1b863986517ac1ba3128f02006fbaa815687aabdc6b4ea2d90827c09ab6b329634a4864d0ae5fce976b7089e0716bd484bdec8fe7420b2174caf5c5c0838bb1338e3db6fe8516d671684798030f41be148729d808605cec7f0cbb8c486facaeae4595ab57c212dadd45ace9335caf5541a60f19f1aabd14120a5549a6abbf6f6b0687a70377cd81a33a171c49d4db58dd6ef9dd0eece3cf4a42aaf568a7669a9f8f8ab768ee1230e94fae550b594bf57ce2770931626b9da1ebc392654e58a0ae1f0163cbe1a1a85c7a350fe0dabb57e416ec706fd1a4c1e3f2da5e89121dea3cddee794387b914d44238892b213eee13d6bd6d1738989ea4971c29f8ab1a49164d136c5cea95f6a128b88335d4c0133c6a35bbccf77e9a9c9f2720d3e37dd2f19f1ec6a8c580d81b00436c8e771a3c25dec7b6aaae4935a1bbbeb3344d88661e77c50bc4e197e72a4fb72f74c0a4bd4d054b6243625f330c641da3b18ab6251768d354ca875b76a55ed76a5fff8ed64c8827b1e2812c4afbfeed3e8a1a9647d29a758d783374eb759eae70765b1a95d6f77b36e268d8488d3d5f43a7293b1ca45228cacf2e51e0ec84a3a1885ff6951a1d92ee95bdd9dd30e4b17d04652267a3f2db8d2c5088bca087cab692879c0d2070f98a7eb3da4c18174c88a27c77e64f129861fafb465c181b20c8303dbd389014ed84241fd1873645ed3af515fac5c7215528673c2dc9f28def81b5947b5b87bff5e035f9d63a4f84c940de687fa6b7cfb79342364105822444f4101336d98225c22f5bb6641522dce63119594baa0a4a9ae8221902acce2a0019e4d35a81df8d6798689418ff4f76ef7deb6e539576b19db17af07e02459b661d126c33cc8d9113b0bf182a357fcc1e71201228f12095ecf75f424fc4b56b88ceb0f5ee1a04bf295cd08455e8b66a636ff3010c4e2314ae7abbf93e4ab1d4d66353e8e750a4ce2a312b2b1ad0eca710ec11340da5dab0c8eab0a898b722dccde5dab4ba630db30ccc38ea649ac6f5d1706252f70813a817fd014c347d873034965c7dd5555548f0a74dddcb909fc310886f96d75dc81acb55733650bbd7e59bf994400b76a83e2a878bd2d9cfb4b52054d00d35297a8923c1c1d6a233b58594a91b9ac063bda33f2665e6f725f85d82ce072dfd72b6719e06b715cb39575b65115258485e81c8b7b121bab7a643eb53f8c4ff1c70cff2fac482fe8aba2808fa2551ab828fffab6c6aa9f88b1ba16dbb3a01903f246bac58bc7640f14535c239ade83b4f4ed0e84b97a6a977f080731ebc1b395b0c92cacbee3d676b7f386d9ad72f97bf5a536f76f2dd1a2d4aaecf7787ee090dfeb87722f5b886a1c02fc3126feb9f0b592d0161ab6bdcf294b5101b570070fb8dfe83418400acd6d938756547cc7ce7ce008fdffa65da95c2bbe774dbc0989a7aa77d13bfd69fbeb715426499e7662cf27a5b0861124c14809f8963a05fb6a8af6983cc56d7148e7a567f6cb2dc6c1b56997413a1749c23ba4b010e362693800f7555043922ab430f401825b30bc4668d87a4f5c226889c027f45955a274d1e0f80d6f11fee4e83aa34326c088d3f5aa42fc4d32fbd5938da3ef249d88ed152395eb73faea0ebfe0d3fe662cb4d3769c1492edbb373da5514221cf4530633e659986bd06db1a855461b808d038f75ba3b9afa6234825667bbf628eb8546832c350bf121f1e25c1c72e615ec8af421d69b90cc27e20ee3bc208d4e34328214912cee1af8c1edbaa1a8ff3ddecb4dee8aff4d27df110956958c449ce45949d8cb0be2ae0a9af3a4254696914ac7c3a7e93e48d1ae3eeaf06faa5f252e76cef40b06a24245b90aab03365c6d6e3d55191ab562765004413cae556f27efce04d4752ffeb17115eda91aaaeb7f986bb4fbe8d55865fd5217ed3ce2d351a1944ae2212fa853f968f9764473e81b3f2a9b32c3c74dab5d7cf1c81e386054873c16c369d42d528595065f8dee60d39c64724e350fdd9edda4959710f66bc2b469f94baa2032e83592c83e14ad6f872d46ac4e926722501cf127684e99316e785102abe68a2e94bee5320d1090c3f04e3c31c8122ce1785bcaea6e77bee0a150ee1a33464147e8899e220028f2e3c7fb1d6ed162621439b19e6a65ab211c1ef9fa04a9fb1dc918161d7974d5cdfade7313f008331e7b59a0e8b521efd3150e1938d0d1a6a1b66ac667c58bb19f6e72951a15da4e380803edb096fd3fb84777c56eae50a61839a3fb51b11716e7cad56fbb4beba376bfddacd7ef826bd5915f5a58044f758f536b25d3f1d5a5512538ea88fa76d49b8bb1b40cb50df7e4fc4cbb9ee043e22d4a19013490804274b7cc0664a93119034841f4fa31291ad8ef6f0ac2f8f35eab65e2d7ff50d8a7500e9075bf2d60d932c528ab5b1b654193f205e25594cb5d133d136f0a40ab1382cc9d7706915d50154e01c47c3f6be74f820dc9dc0e830271e32127fcb5e87bb7a4426c9d2684f59070239cfc7977144b0ed71b0251542bfbcde5a76247bfabc6a1a9228970bfe496172c4d9873e12fcbf6e564ba971d3e3e109c4b8344d293d5e902980d59a66d376ede4dd54a81ac3feda3a5182ea6063c5201c4db6b37a53ff62643125d3850f34018b504a746a35a83ae2eb99416f78625c978a07c15c90266db261e00ed8dbe6101aa0fc46180057754aeb97d067d77ded06abfb7b84454516b8911b8faf944a49b1e43713fd5b29ca79a0a391f6118b5ba56e1a34bd3055888dabebee0c9b6106235eeed8cbb7ba1af25bfa24e8f8185be90a4d25fd929ae322f7d885892abbe9b9061d35ee473d653d98ec9fa317d68d496cadccc5948221f713c2b4393e00fc1c5bc94c5dee67a59ab66e8d1a52778a5b5643b8d2584d23c1ec750e4bc4d4be9d6cfcb9659dc351afb25355649122bd5127fa58472f3bc44229582a94a20b66c6735f1bc91747739f0b341a0e8b51ff77c6fd572738f07e9c013ea91081b76049f2f401659c15eef2148bc59561a0c56352f797d149e38f7c21fc2c83572dfc5b22ec16be8de108014f7f0a68f442928686f9b7600ee770d6fc393cc3e857acc8101bcf7718bcc16da38615f1332e89fedcf5a8727a0880c63e5f6dc9520f6619246640f216565b3e1df0d34701c22363526c492dee1b38c381f3676e91a333aca45b1c943d6756ad010c16a85ddc4c0d021e115d39c3fddb883c0e3fe7abe5ccfc8f3f6a549b72ce26a3089eef8c3e6c116953b16ed77ef18d8c6c1036a4f2301d0ca7c21188ab591b293aef7fa61baf4167bdf182579ad208c82856c9813ef5151ea8dd3f50086213019851b2d41de681d1d6d7436b6e3d71737363059d8bbf4f5e7e9be826722eb1268168cd6001e66e7efecddfa6a80799108a0ef6d4659eea911a8490a839db1593c0106450f2b49f6015541d2e1a88e6e9e5edefd2276fdb2f147b5ee911c269e6a9a0891863fa7ec39613667b20f293770b152534b9ea49415fee1aa4eb7c5f8fcee62baea6f010f5b2d1188418bd2e1cc9bf2d21ecc45fa88449856356145b625b3edc8eb9df982fef51d9441ff7b890abaaf2979e3034161b7c86f44dae8f1a221fcb335153e7314c7fcfdd192eba04af940ff5af8d5aea251b6b89d9cafba2756438828e0c7d32fa3a6cf4aba331a0a2559b695f11bc7755f52ef79533bea87b303d46daab92e1e44d6f61472c34c74ad652aef079bfce3fc54ee8f614ac0e8dd5da9ff8d202f830c6e90be85ea3bf62463d8bfd6ed327d48c8131466a5aee852b21a4359d9942d839c054fa63234038621bdb276603bb392c9b80cd15ccf0e8713fdf59ee6d22565d7bcd7522f102f73b57f96266fe80392229457d358e591c6cb5fa980ce1d122a9c1aa211d688c0316142809c9ec27a440c21085583c2885bdf1bfa863ce07088330f63a425d982643968946c9fb5796f80e9ab1c37dde81eec97c966b25ec88857507ba7c0dfce3741f314c75ba282352c62b1b271f8d5bb166235901e9a4181326a45d5bbe631117176c2f325799d73791b3a1bcaf48490031e766513fddd48fc92cd31d6fbce862ec1313c73ad25c38d8d22f6dcf3d662a52811b01d3038f9e9ccdea83a1082eb47adcd005deaaba425f84650377deaee1ec592b4ed6811956d42c135f3273454eac60994aac32201789d8c70d64cb91fb4639b1b947ea927c87f9ce3e994053fe0ecb9e994cdbce3e73edfc2659826bc49b59dfd0e5ed4e18c8d15d0646086803412b9982adfc65b3420b7536b1389c777706eca939f17bc16edca96c3212066590292f8392d282576c52c894290738bf6c0a83b59d816b0d732f9d553a88f3a7137366dfbc85caa33a60741a0bccd31f22c6315d7b6d093bd6ded83943e94c88d342f7a8aa7dfd9d767cb8b8ce19a1fd95c14bb76246eba08bb1bb6a4d5af33b97c0179a674b4a5b7406db523781ccb3963d66fb0877421c15f200d9727ed17620021e75fc081efb187688d636166c574708d95d38d8e52746fb2796a42a343a4b3b6ae7c62c86485e695fc207adb37295871c3c3c808f8f78c104fbd4bfa1f4aa46a3618777bfe1558e1e6a3d17163e9df79da1917da2b74a6c4c9fe5cbc8a94098c8a2f8ba69cf4a1f4ba7f4db2399b776b922d5863626184c6ea886f9aab842ae7cf054631e07423bf2666d2a834644fa078ca5e92ffe24e185c9a7203280b8ce717245c6a39442e0651bbe46f5b9a1bb8048a0df2f9c4d5b7dec961ee2e7472c801d851fadcb5c5c370461c9973e387bb6b5bfa2f12e93b0cf1640e46d3886dc9b371ef93efa4b3d753948cf39bcb83e2b3d86ffc0bf633e82d94f2b05ebe4e2b321232bca184721291066ce2037a97913f82a041b35af75d24749472d83c3764b30e7000076eae8a7d6defd2a6611a19caab5aabc4f652186cf8ee0109f95b95e471e88c95861a83ec4294ad9f485c548867517065caf3001cf725bdb811b6dfd7c5c4bbff23baf7fc46e84ada4f27be79f3412114dfb5d7e7e2b3a19d00a50c16565059dc00edf49d37418e4f0e20457b4eaf6dfa601107a8ba6c1288201d3935468742793ec1107df4c02e4ddea889f575f83df7c759ff6ab24265a36d53b4e3e4506927197b2923f15328669ee23c5ca0f00e11ca7f5c87926782f375757f"}, 0x1077) r1 = syz_open_dev$vcsa(&(0x7f0000000340)='/dev/vcsa#\x00', 0x3, 0x111000) ioctl$SG_SET_FORCE_PACK_ID(r1, 0x227b, &(0x7f0000000540)=0x1) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000440)={{{@in6=@ipv4={[], [], @broadcast}, @in6=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in6=@mcast2}}, &(0x7f0000000200)=0xe8) bind(r0, &(0x7f0000000140)=@alg={0x26, 'hash\x00', 0x0, 0x0, 'sha512-avx2\x00'}, 0x80) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'bond_slave_1\x00', r2}) listen(r0, 0x4) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet6_tcp_int(r0, 0x6, 0x1e, &(0x7f0000000000)=0xa3e, 0x4) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r4 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r4, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) getsockopt(r4, 0x1, 0x200, &(0x7f0000000280)=""/43, &(0x7f0000000300)=0x2b) ioctl$sock_bt_hidp_HIDPGETCONNLIST(r4, 0x800448d2, &(0x7f00000001c0)={0x5, &(0x7f0000000600)=[{}, {}, {}, {}, {}]}) 19:30:35 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet6_IPV6_ADDRFORM(r2, 0x29, 0x1, &(0x7f00000000c0)=0x2, 0x4) getsockopt$IP6T_SO_GET_INFO(r0, 0x29, 0x40, &(0x7f0000000000)={'nat\x00'}, &(0x7f0000000080)=0x54) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:35 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xaece, 0x0) 19:30:35 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x16, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:35 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8914, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x81, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000140)=0xff, 0x8) close(r3) setsockopt$inet6_udp_int(r1, 0x11, 0x65, &(0x7f0000000180)=0x2, 0x4) prctl$setname(0xf, &(0x7f00000001c0)='\x00') clock_gettime(0x0, &(0x7f0000006c40)={0x0, 0x0}) recvmmsg(r3, &(0x7f0000006ac0)=[{{0x0, 0x0, &(0x7f00000027c0)=[{&(0x7f0000000500)=""/166, 0xa6}, {&(0x7f0000000600)=""/4096, 0x1000}, {&(0x7f0000001600)=""/233, 0xe9}, {&(0x7f0000001700)=""/187, 0xbb}, {&(0x7f0000000240)=""/98, 0x62}, {&(0x7f0000000300)=""/113, 0x71}, {&(0x7f00000017c0)=""/4096, 0x1000}], 0x7, &(0x7f0000002840)=""/223, 0xdf, 0x7}}, {{&(0x7f0000002940)=@can, 0x80, &(0x7f0000003f00)=[{&(0x7f00000029c0)=""/113, 0x71}, {&(0x7f0000002a40)=""/203, 0xcb}, {&(0x7f0000002b40)=""/214, 0xd6}, {&(0x7f0000002c40)=""/239, 0xef}, {&(0x7f0000002d40)=""/126, 0x7e}, {&(0x7f0000002dc0)=""/151, 0x97}, {&(0x7f0000002e80)=""/119, 0x77}, {&(0x7f0000002f00)=""/4096, 0x1000}], 0x8, &(0x7f0000003f80)=""/37, 0x25, 0x1}, 0x3ff}, {{&(0x7f0000003fc0), 0x80, &(0x7f0000004200)=[{&(0x7f0000004040)=""/229, 0xe5}, {&(0x7f0000004140)=""/182, 0xb6}], 0x2, &(0x7f0000004240)=""/201, 0xc9, 0x8000}, 0x2}, {{&(0x7f0000004340)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @remote}}}, 0x80, &(0x7f0000005600)=[{&(0x7f00000043c0)=""/187, 0xbb}, {&(0x7f0000004480)=""/4096, 0x1000}, {&(0x7f0000005480)=""/129, 0x81}, {&(0x7f0000005540)=""/149, 0x95}], 0x4, &(0x7f0000005640)=""/32, 0x20, 0x100000001}, 0x1}, {{&(0x7f0000005680)=@can, 0x80, &(0x7f0000005980)=[{&(0x7f0000005700)=""/63, 0x3f}, {&(0x7f0000005740)=""/158, 0x9e}, {&(0x7f0000005800)=""/65, 0x41}, {&(0x7f0000005880)=""/204, 0xcc}], 0x4, &(0x7f00000059c0)=""/4096, 0x1000, 0x4}, 0x9}, {{0x0, 0x0, &(0x7f00000069c0), 0x0, &(0x7f0000006a00)=""/148, 0x94}}], 0x6, 0x2, &(0x7f0000006c80)={r4, r5+30000000}) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000200)='/proc/sys/net/ipv4/vs/expire_nodest_conn\x00', 0x2, 0x0) ioctl$GIO_FONTX(r6, 0x4b6b, &(0x7f0000000440)=""/147) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:35 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xb0ffffff]}, 0x18) 19:30:35 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:35 executing program 0: [ 3008.850094] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:35 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) r2 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000540)='/dev/vsock\x00', 0x400000, 0x0) accept$inet(r2, &(0x7f00000004c0)={0x0, 0x0, @multicast1}, &(0x7f0000000500)=0x10) ioctl$KVM_SET_MP_STATE(r2, 0x4004ae99, &(0x7f0000000480)=0x8) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r1, 0x84, 0x22, &(0x7f0000000000)={0x6, 0x8004, 0xffffffffffffff32, 0x8000000000000, 0x0}, &(0x7f0000000140)=0x10) setsockopt$inet_sctp6_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000180)={r3, 0x3f}, 0x8) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r4 = openat$audio(0xffffffffffffff9c, &(0x7f0000000340)='/dev/audio\x00', 0x0, 0x0) getsockopt$kcm_KCM_RECV_DISABLE(r4, 0x119, 0x1, &(0x7f0000000440), 0x4) r5 = openat$null(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/null\x00', 0x90000, 0x0) setsockopt$IP_VS_SO_SET_EDIT(r5, 0x0, 0x483, &(0x7f0000000300)={0x84, @loopback=0x7f000001, 0x4e24, 0x2, 'wrr\x00', 0x4, 0x5, 0x2e}, 0x2c) getsockopt$IP6T_SO_GET_INFO(r5, 0x29, 0x40, &(0x7f0000000200)={'security\x00'}, &(0x7f0000000280)=0x54) r6 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r6, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:35 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x72000000]}, 0x18) 19:30:35 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:35 executing program 0: 19:30:35 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0x4090ae82, 0x0) 19:30:35 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x24]}, 0x18) [ 3009.051244] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:36 executing program 0: 19:30:36 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:36 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r1, 0x84, 0x1a, &(0x7f0000000000)={0x0}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp6_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000080)={r2, 0x2d7}, &(0x7f00000000c0)=0x8) listen(r1, 0xffefffffffffff7f) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:36 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0x4004ae99, 0x0) 19:30:36 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x19, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:36 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38000000]}, 0x18) 19:30:36 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r2 = accept4(r0, &(0x7f0000000140)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x101d0, 0x80000) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:36 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000280), &(0x7f0000000300)=0x10) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r3, 0x84, 0x72, &(0x7f0000000140)={0x0, 0x6ced6e65, 0x10}, &(0x7f0000000180)=0xc) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f00000001c0)={r4, @in={{0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x14}}}, 0x6, 0x3, 0x205, 0x8, 0xda}, 0x98) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:36 executing program 0: [ 3009.851333] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:36 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x48000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:36 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2700]}, 0x18) 19:30:36 executing program 0: 19:30:36 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae2a, 0x0) 19:30:36 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x6e, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 3010.016838] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:36 executing program 0: 19:30:36 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4400]}, 0x18) 19:30:36 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:36 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:37 executing program 0: 19:30:37 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000]}, 0x18) [ 3010.218579] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:37 executing program 0: 19:30:37 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7400], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 3010.358318] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:37 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0xa}, 0x8) 19:30:37 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x68000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:37 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) getsockopt$IP6T_SO_GET_REVISION_MATCH(r0, 0x29, 0x44, &(0x7f0000000140)={'NETMAP\x00'}, &(0x7f0000000180)=0x1e) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:37 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) setsockopt(r0, 0x3, 0x6ec, &(0x7f0000000600)="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", 0x1000) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:37 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6100]}, 0x18) 19:30:37 executing program 0: 19:30:37 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae12, 0x0) 19:30:37 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x0, 0x8014000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_udp_encap(r1, 0x11, 0x64, &(0x7f0000000140)=0x5, 0x4) sendto$inet6(r2, &(0x7f00000000c0)="00800000996ca7a6a640008062955cb15a77", 0x1000001ef, 0x0, &(0x7f0000000100)={0xa, 0x4e23, 0x1, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) stat(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)) 19:30:37 executing program 0: [ 3010.874713] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:37 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10]}, 0x18) 19:30:37 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:37 executing program 0: [ 3011.046465] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:38 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) munmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:38 executing program 0: 19:30:38 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0x8090ae81, 0x0) 19:30:38 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x7) 19:30:38 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6c], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:38 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6200000000000000]}, 0x18) 19:30:38 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl$sock_ipx_SIOCAIPXPRISLT(r3, 0x89e1, &(0x7f0000000140)=0x128c2ad6) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:38 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000000000)=0x0) migrate_pages(r2, 0x6, &(0x7f0000000200)=0x21, &(0x7f00000001c0)=0x2) recvfrom$packet(0xffffffffffffffff, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:38 executing program 0: [ 3011.936775] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:38 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6100000000000000]}, 0x18) 19:30:38 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:38 executing program 0: 19:30:38 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) socket$inet6(0xa, 0x3, 0x1) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000040)={{{@in6, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@loopback}, 0x0, @in6=@loopback}}, &(0x7f0000000140)=0xe8) setfsuid(r3) ioctl$sock_inet6_udp_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffff9c, 0x84, 0x7c, &(0x7f0000000200)={0x0, 0x5, 0x5}, &(0x7f0000000240)=0x8) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f00000002c0)={0x0, 0x7f6}, &(0x7f0000000300)=0x8) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000340)={r4, 0x5}, 0xfffffffffffffe80) 19:30:38 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0x4048ae9b, 0x0) 19:30:38 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffe4]}, 0x18) [ 3012.136803] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:39 executing program 0: 19:30:39 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) getsockopt$inet_tcp_TCP_REPAIR_WINDOW(r2, 0x6, 0x1d, &(0x7f0000000140), &(0x7f0000000180)=0x14) setsockopt$RDS_CANCEL_SENT_TO(r0, 0x114, 0x1, &(0x7f0000000000)={0x2, 0x4e23, @rand_addr=0x2}, 0x10) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:39 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x20000188) 19:30:39 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6c00000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:39 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xd0ffffff00000000]}, 0x18) 19:30:39 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0x8138ae83, 0x0) 19:30:39 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = syz_open_dev$sndpcmc(&(0x7f0000000140)='/dev/snd/pcmC#D#c\x00', 0x7, 0x381001) memfd_create(&(0x7f00000001c0)='/dev/snd/pcmC#D#c\x00', 0x0) ioctl$DRM_IOCTL_AGP_ENABLE(r2, 0x40086432, &(0x7f0000000180)=0xaf5) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r4 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r4, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:39 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0xb, 0x7) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:39 executing program 0: [ 3013.027866] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:39 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x800, 0x8010000000000084) socket$nl_crypto(0x10, 0x3, 0x15) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = dup2(r1, r1) ioctl$SNDRV_SEQ_IOCTL_PVERSION(r2, 0x80045300, &(0x7f0000000000)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:39 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:39 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa0ffffff00000000]}, 0x18) 19:30:39 executing program 0: 19:30:39 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xaec1, 0x0) [ 3013.203511] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:40 executing program 0: 19:30:40 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0xfffffffffffffffd, 0x8010000000000083) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x0, 0x0) r3 = syz_genetlink_get_family_id$fou(&(0x7f0000000100)='fou\x00') sendmsg$FOU_CMD_ADD(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x480080}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x30, r3, 0x20, 0x70bd25, 0x25dfdbfd, {0x1}, [@FOU_ATTR_AF={0x8, 0x2, 0xa}, @FOU_ATTR_PORT={0x8, 0x1, 0x4e21}, @FOU_ATTR_REMCSUM_NOPARTIAL={0x4, 0x5}, @FOU_ATTR_IPPROTO={0x8, 0x3, 0x3a}]}, 0x30}, 0x1, 0x0, 0x0, 0x41}, 0x20000010) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r4, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r5 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rfkill\x00', 0x8000, 0x0) openat$cgroup_procs(r5, &(0x7f0000000040)='cgroup.procs\x00', 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r4, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:40 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200000000000000]}, 0x18) 19:30:40 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7a00000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:40 executing program 3: r0 = socket$inet6(0xa, 0x4, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) r2 = syz_open_dev$amidi(&(0x7f0000000000)='/dev/amidi#\x00', 0x7fff, 0x0) ioctl$DRM_IOCTL_ADD_CTX(r2, 0xc0086420, &(0x7f00000000c0)={0x0}) ioctl$DRM_IOCTL_SET_SAREA_CTX(r2, 0x4010641c, &(0x7f0000000100)={r3, &(0x7f00000002c0)=""/205}) getsockopt$llc_int(r2, 0x10c, 0xf, &(0x7f0000000040), &(0x7f0000000080)=0x4) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x5) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r4, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r4, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:40 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae34, 0x0) 19:30:40 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) r4 = syz_open_dev$sndpcmc(&(0x7f0000000180)='/dev/snd/pcmC#D#c\x00', 0xfffffffffffffe00, 0x400) setns(r4, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) setsockopt$bt_l2cap_L2CAP_LM(r3, 0x6, 0x3, &(0x7f0000000140), 0x4) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:40 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) r2 = syz_open_dev$admmidi(&(0x7f0000000140)='/dev/admmidi#\x00', 0xfffe, 0x81) ioctl$KVM_CREATE_IRQCHIP(r2, 0xae60) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:40 executing program 0: [ 3014.053486] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:40 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffa0]}, 0x18) 19:30:40 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80ffffff], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:40 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r2 = dup2(r0, r1) listen(r1, 0xffedfffffffff77f) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp_SCTP_STATUS(r2, 0x84, 0xe, &(0x7f0000000000)={0x0, 0x2, 0x9, 0x6, 0xfb1, 0x4, 0x0, 0x4, {0x0, @in6={{0xa, 0x4e24, 0x6877, @remote={0xfe, 0x80, [], 0xbb}}}, 0x1, 0x9, 0x400, 0x5, 0x7}}, &(0x7f00000000c0)=0xb0) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, &(0x7f00000001c0)={r4, @in6={{0xa, 0x4e22, 0xfffffffffffffffe, @remote={0xfe, 0x80, [], 0xbb}}}, 0x2, 0x3f}, &(0x7f0000000100)=0x90) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) dup3(r3, r3, 0x80000) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:40 executing program 0: 19:30:41 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae10, 0x0) 19:30:41 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7a]}, 0x18) 19:30:41 executing program 0: [ 3014.224415] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:41 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4800], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:41 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:41 executing program 0: 19:30:41 executing program 0: [ 3014.428485] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:41 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1810000000000000]}, 0x18) 19:30:41 executing program 3: r0 = syz_open_dev$dmmidi(&(0x7f0000000000)='/dev/dmmidi#\x00', 0x1, 0x4000) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f00000002c0)={0x0, 0x1000, "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"}, &(0x7f0000000040)=0x1008) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r0, 0x84, 0x6, &(0x7f0000000080)={r1, @in6={{0xa, 0x4e23, 0xf6, @dev={0xfe, 0x80, [], 0x18}, 0x40}}}, &(0x7f0000000140)=0x84) r2 = socket$inet6(0xa, 0x201000000000002, 0x0) r3 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r3, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r3, 0xffefffffffffff7f) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r4, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r2, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r4, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:41 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae17, 0x0) 19:30:41 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c00000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:41 executing program 0: 19:30:41 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r4, 0xc08c5332, &(0x7f0000000180)={0x1, 0x1f, 0x8001, 'queue0\x00', 0x6}) 19:30:41 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x200000000000001, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) 19:30:41 executing program 4: 19:30:41 executing program 4: [ 3015.055717] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. 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Check SNMP counters. 19:30:41 executing program 0: 19:30:41 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x11000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:41 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x61000000]}, 0x18) 19:30:42 executing program 0: 19:30:42 executing program 4: 19:30:42 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x4) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:42 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0x5421, 0x0) [ 3015.234555] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:42 executing program 0: 19:30:42 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:42 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x3de, 0x1002, &(0x7f0000000000)={0xa, 0x400004e21, 0x0, @loopback={0x0, 0x1}, 0x1000000000}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:42 executing program 4: 19:30:42 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x18100000]}, 0x18) 19:30:42 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0x5452, 0x0) 19:30:42 executing program 0: 19:30:42 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") getsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f0000000140)={{{@in6=@mcast2, @in=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@ipv4}, 0x0, @in=@dev}}, &(0x7f0000000240)=0xe8) getsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f0000000440)={{{@in6=@local, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}}}, &(0x7f0000000280)=0xe8) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000600)={{{@in=@broadcast=0xffffffff, @in=@remote={0xac, 0x14, 0x14, 0xbb}, 0x4e23, 0x0, 0x4e22, 0xf5, 0x0, 0xa0, 0x80, 0xff, r1, r2}, {0x467a, 0x7, 0x20, 0x9, 0x3, 0x20, 0x5, 0x8}, {0x8, 0x1fb, 0x30, 0x10001}, 0x2, 0x6e6bb3, 0x2, 0x1, 0x1}, {{@in=@multicast1=0xe0000001, 0x4d6, 0xff}, 0xa, @in6=@mcast1={0xff, 0x1, [], 0x1}, 0x3501, 0x7, 0x0, 0x0, 0x80000001, 0x2, 0x4}}, 0xe8) r3 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r3, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r3, 0x6) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r3, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r5 = accept4(r3, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r4, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r5, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:42 executing program 3: r0 = socket$inet6(0xa, 0x201000000000008, 0x7) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:42 executing program 0: r0 = syz_open_dev$evdev(&(0x7f00000000c0)='/dev/input/event#\x00', 0x2, 0x0) ioctl$EVIOCGKEYCODE_V2(r0, 0x80284504, &(0x7f0000000180)=""/111) 19:30:42 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f0000000080)={0x0, 0x0}) ptrace$setopts(0x4206, r1, 0x0, 0x0) ptrace(0x4207, r1) ptrace$setopts(0x420d, r1, 0x8, 0x0) [ 3016.002311] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:42 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2500]}, 0x18) 19:30:42 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:42 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000000140)={0xa, 0x4e20, 0xfffffffffffff2e3, @mcast2={0xff, 0x2, [], 0x1}, 0x5}, 0x11) listen(r1, 0xffefffffffffff7f) r2 = syz_open_dev$vcsn(&(0x7f0000000000)='/dev/vcs#\x00', 0x7, 0x0) ioctl$TIOCSBRK(r2, 0x5427) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) accept$inet6(r0, 0x0, &(0x7f0000000100)=0x29) sendto$inet6(r3, &(0x7f0000000040)="afee97d8000000000042d3033e0bc86780d3ed98138bd187ee6a0acd9ab928a4d7deb08b126c34b5a61abda95d87084d6d9e4403b2fc1af7269f873270e78be7c24bddd7145710aded97402268d8f771095bed701e89b153dec0f51bcfaf885646ad02e570c5a94d51c8769e43336c4c91cb76898b47014e4cf2711104", 0x7d, 0x0, &(0x7f000005ffe4)={0xa, 0x4e21, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 3016.087768] ptrace attach of "/root/syz-executor4"[4576] was attempted by "/root/syz-executor4"[12327] 19:30:42 executing program 0: r0 = epoll_create1(0x0) fcntl$lock(r0, 0x5, &(0x7f0000000000)) 19:30:42 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xc0189436, 0x0) [ 3016.143656] ptrace attach of "/root/syz-executor4"[4576] was attempted by "/root/syz-executor4"[12327] [ 3016.194907] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:43 executing program 0: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f00002aafe4)={0xa, 0x4e23, 0x0, @ipv4={[], [0xff, 0xff]}}, 0x1c) listen(r0, 0xbc4d) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000000)='F', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r2 = accept4(r0, &(0x7f0000c71ff0)=ANY=[], &(0x7f0000f5effc), 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(r2, 0x84, 0x1, &(0x7f0000000080), &(0x7f00000000c0)=0x14) 19:30:43 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000040)="025cc83d6d345f8f760070") syz_emit_ethernet(0x66, &(0x7f0000015e15)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], {@ipv6={0x86dd, {0x0, 0x6, 'v`Q', 0x30, 0x3a, 0xffffffffffffffff, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [0x0, 0xfffffffffffff000], 0x1}, {[], @icmpv6=@dest_unreach={0xffffff88, 0x0, 0x0, 0x0, [0x14], {0x0, 0x6, "c5961e", 0x0, 0x0, 0x0, @mcast1={0xff, 0x1, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x18, 0x3, 0x58], 0x1}, @mcast2={0xff, 0x2, [], 0x1}}}}}}}}, 0x0) 19:30:43 executing program 3: r0 = syz_open_dev$vcsn(&(0x7f0000000000)='/dev/vcs#\x00', 0x768, 0x100) accept4$packet(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000080)=0x14, 0x800) r1 = socket$inet6(0xa, 0x201000000000082, 0x80000000) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r2, 0xffefffffffffff7f) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r1, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:43 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xb00]}, 0x18) 19:30:43 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = syz_open_dev$sndctrl(&(0x7f0000000000)='/dev/snd/controlC#\x00', 0xffffffff, 0x40) fcntl$getownex(r1, 0x10, &(0x7f0000000100)={0x0, 0x0}) ioctl$SNDRV_CTL_IOCTL_ELEM_INFO(r1, 0xc1105511, &(0x7f00000002c0)={{0x2, 0x7, 0x8, 0x7ff, '\x00', 0x2}, 0x1, 0x9, 0xc3, r2, 0x7, 0x0, 'syz0\x00', &(0x7f0000000080)=['.vboxnet1mime_type+posix_acl_access{security\x00', ')\'self%\x00', '-,}selinux\x00', '%\x00', '\x00', '\x00', '!\x00'], 0x46, [], [0x5, 0x8, 0x8, 0xffffffff]}) r3 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r3, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r3, 0xffefffffffffff7f) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r4, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r4, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:43 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6800], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:43 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") write$binfmt_elf64(r0, &(0x7f0000000600)={{0x7f, 0x45, 0x4c, 0x46, 0x80000000, 0xff, 0x100000001, 0x3, 0x6, 0x2, 0x3f, 0x5, 0x7a, 0x40, 0x38e, 0x4d3, 0x2, 0x38, 0x1, 0x80000000, 0x6, 0x7}, [{0x2, 0x100000001, 0x0, 0x1, 0x2eb, 0x58b1, 0x275, 0x81}, {0x70000000, 0x1, 0x4, 0x0, 0x9, 0x0, 0x2, 0x29}], "c03c6852013945645e2865d4fecff76790c404c107abe0f5c76d73f9a4ab525ad601476363db0a0e555816b5e12d3b", [[], [], [], [], [], [], [], [], [], []]}, 0xadf) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) r2 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vsock\x00', 0x2, 0x0) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000180)={0x18a, 0x5, 0x9000}, 0x4) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r4 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) getsockopt$IPT_SO_GET_REVISION_MATCH(r2, 0x0, 0x42, &(0x7f0000000200)={'IDLETIMER\x00'}, &(0x7f0000000240)=0x1e) recvfrom$packet(r4, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) ioctl$LOOP_SET_BLOCK_SIZE(r3, 0x4c09, 0x3) writev(r4, &(0x7f00000001c0)=[{&(0x7f0000001100)="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", 0x1000}], 0x1) 19:30:43 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0x8004ae98, 0x0) 19:30:43 executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @dev={0xfe, 0x80}, 0x4}, 0x1c) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/ipv6_route\x00') sendfile(r0, r1, &(0x7f0000000040), 0x8001) [ 3017.045397] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:43 executing program 4: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0045002, &(0x7f0000000000)) 19:30:43 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1100], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:43 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x74]}, 0x18) 19:30:43 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) r4 = syz_open_dev$sndpcmc(&(0x7f0000000180)='/dev/snd/pcmC#D#c\x00', 0xfffffffffffffe00, 0x400) setns(r4, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) setsockopt$bt_l2cap_L2CAP_LM(r3, 0x6, 0x3, &(0x7f0000000140), 0x4) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:44 executing program 1: socket$inet6(0xa, 0x201000000000002, 0x0) r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0xffefffffffffff7f) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$IP6T_SO_GET_REVISION_TARGET(r0, 0x29, 0x45, &(0x7f0000000000)={'IDLETIMER\x00'}, &(0x7f0000000080)=0x1e) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0xb, &(0x7f0000000040)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x100000001}, 0x8) 19:30:44 executing program 4 (fault-call:6 fault-nth:0): r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) [ 3017.203012] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:44 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae8b, 0x0) 19:30:44 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe00]}, 0x18) 19:30:44 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x0, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:44 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x74], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:44 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80ffffff]}, 0x18) 19:30:44 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet6_MRT6_ADD_MFC(r0, 0x29, 0xcc, &(0x7f0000000000)={{0xa, 0x4e22, 0x4, @mcast2={0xff, 0x2, [], 0x1}, 0x46e}, {0xa, 0x4e21, 0xfffffffffffffffb, @loopback={0x0, 0x1}, 0xc}, 0x5, [0x4, 0x3f, 0x100, 0xffffffff, 0x228, 0x6f9, 0x7, 0x9f]}, 0x5c) getsockopt$inet_sctp6_SCTP_RECVNXTINFO(r1, 0x84, 0x21, &(0x7f0000000080), &(0x7f00000000c0)=0x4) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") getsockopt$inet_sctp6_SCTP_STATUS(r2, 0x84, 0xe, &(0x7f00000001c0)={0x0, 0xcb, 0x8, 0x2, 0x5, 0x100000001, 0x6, 0x6, {0x0, @in={{0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}}, 0xff, 0x101, 0x8, 0x5, 0x37}}, &(0x7f0000000100)=0xb0) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r1, 0x84, 0x1, &(0x7f0000000140)={r3, 0x3955, 0x74, 0x4, 0x8, 0x7}, &(0x7f00000002c0)=0x14) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:44 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae9e, 0x0) 19:30:44 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) r4 = syz_open_dev$sndpcmc(&(0x7f0000000180)='/dev/snd/pcmC#D#c\x00', 0xfffffffffffffe00, 0x400) setns(r4, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) setsockopt$bt_l2cap_L2CAP_LM(r3, 0x6, 0x3, &(0x7f0000000140), 0x4) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:44 executing program 3: r0 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vsock\x00', 0x40000, 0x0) getsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f00000000c0), &(0x7f0000000100)=0x4) r1 = socket$inet6(0xa, 0x201000000000002, 0x0) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffffffffffffffff) r3 = socket$inet6_sctp(0xa, 0x0, 0x84) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r1, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) getsockopt$bt_rfcomm_RFCOMM_LM(r3, 0x12, 0x3, &(0x7f0000000000), &(0x7f0000000040)=0x4) r4 = syz_genetlink_get_family_id$ipvs(&(0x7f00000001c0)='IPVS\x00') sendmsg$IPVS_CMD_DEL_SERVICE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x28, r4, 0x200, 0x70bd27, 0x25dfdbfb, {0x3}, [@IPVS_CMD_ATTR_SERVICE={0x14, 0x1, [@IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x3e}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0xef}]}]}, 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x40004) 19:30:44 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) dup(r2) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:44 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:45 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6500000000000000]}, 0x18) [ 3018.166616] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:45 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 3018.306386] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:45 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1d793a]}, 0x18) 19:30:45 executing program 3: socket$inet6(0xa, 0x201000000000002, 0x3) r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x10000, 0x0) ioctl$KVM_XEN_HVM_CONFIG(r1, 0x4038ae7a, &(0x7f0000000100)={0x0, 0x977, &(0x7f00000000c0)="5a3a2bcf3cab440153148be8706cb630ebcc80484e9de8729c84d4", &(0x7f00000001c0)="76a67488aa5e1559531a29e6ab3e8e9bfd804a863a121c4a13cd88b87747294e00f55b66a1e752f266094a26abe09e04966ac281269bb4ad05527b434597d954cc7c64eaac958a136ee7ff300d27149908b2286efb9ecb0233ee911528256ca343bfed2bc0d5bb848ac9044d2b28e26f50d6b029ba04af420acffc6ad860121f9ac0cc42e1e61abdf0ba0a510c16c9903611120e4059daaef72222270d636eb14273cfc85d40a1f52140da27309854b48a295cc24ad9f3ada359cf28e5a7a6ff2ab98bb3d0ce22296f991be48c4fc49d570d2e0c8a1d7aac0c62", 0x1b, 0xda}) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x4, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x1, &(0x7f0000000140)="025cc83d6d345f8f760070196082ae") getsockopt$bt_BT_RCVMTU(r2, 0x112, 0xd, &(0x7f0000000000)=0x2, &(0x7f0000000040)=0x2) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) syz_open_dev$binder(&(0x7f00000002c0)='/dev/binder#\x00', 0x0, 0x2) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000340)='IPVS\x00') sendmsg$IPVS_CMD_DEL_DAEMON(r1, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x1c, r3, 0x201, 0x70bd27, 0x25dfdbfb, {0xa}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x7ff}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40000}, 0x40000) 19:30:45 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xaefe, 0x0) 19:30:45 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x0, 0x0) setsockopt$IP_VS_SO_SET_EDITDEST(r3, 0x0, 0x489, &(0x7f0000000040)={{0x7f, @empty, 0x4e24, 0x3, 'none\x00', 0x0, 0x7}, {@loopback=0x7f000001, 0x4e24, 0x10000, 0x2, 0x2, 0x1}}, 0x44) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:45 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x300000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:45 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:45 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:45 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) r4 = syz_open_dev$sndpcmc(&(0x7f0000000180)='/dev/snd/pcmC#D#c\x00', 0xfffffffffffffe00, 0x400) setns(r4, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) setsockopt$bt_l2cap_L2CAP_LM(r3, 0x6, 0x3, &(0x7f0000000140), 0x4) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 3019.199305] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:46 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x73]}, 0x18) 19:30:46 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:46 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xc0045877, 0x0) 19:30:46 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3a791d00]}, 0x18) 19:30:46 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 3019.358423] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:46 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x400000, 0x0) ioctl$PPPIOCGMRU(r2, 0x80047453, &(0x7f0000000040)) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:46 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x9) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000100)='/dev/uinput\x00', 0x10000, 0x0) ioctl$VT_RESIZE(r3, 0x5609, &(0x7f0000000140)={0xc6, 0x3ff, 0x3f}) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) accept$inet6(r2, &(0x7f00000001c0)={0x0, 0x0, 0x0, @loopback}, &(0x7f0000000040)=0x1c) socketpair$inet_dccp(0x2, 0x6, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$IP_VS_SO_SET_STARTDAEMON(r4, 0x0, 0x48b, &(0x7f00000000c0)={0x0, 'ip_vti0\x00', 0x1}, 0x18) 19:30:46 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f00]}, 0x18) [ 3019.475110] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:46 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0x5460, 0x0) 19:30:46 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c00], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:46 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) getsockopt$IP_VS_SO_GET_VERSION(r1, 0x0, 0x480, &(0x7f0000000000), &(0x7f0000000040)=0x40) getsockopt$inet6_IPV6_IPSEC_POLICY(r1, 0x29, 0x22, &(0x7f0000000080)={{{@in, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in=@rand_addr}}, &(0x7f00000001c0)=0xe8) setfsuid(r3) 19:30:46 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x70]}, 0x18) [ 3019.621747] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:46 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff00000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 3019.787436] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:46 executing program 3: r0 = socket$inet6(0xa, 0x201000000000000, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:46 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xc020660b, 0x0) 19:30:46 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000000000000]}, 0x18) 19:30:46 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) r4 = syz_open_dev$sndpcmc(&(0x7f0000000180)='/dev/snd/pcmC#D#c\x00', 0xfffffffffffffe00, 0x400) setns(r4, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:46 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4800000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:46 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0xffefffffffffff7f) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$sock_timeval(r1, 0x1, 0x0, &(0x7f0000000000)={0x0, 0x7530}, 0x10) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:46 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000140)='/dev/rfkill\x00', 0x8000, 0x0) ioctl$TIOCLINUX5(r2, 0x541c, &(0x7f0000000180)={0x5, 0x7, 0x4, 0x7, 0x7}) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) openat$vcs(0xffffffffffffff9c, &(0x7f0000000200)='/dev/vcs\x00', 0x100, 0x0) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r4 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) r5 = getpid() mmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x8, 0x8010, r3, 0x0) getsockopt$IP_VS_SO_GET_TIMEOUT(r1, 0x0, 0x486, &(0x7f0000000280), &(0x7f0000000300)=0xc) prctl$setptracer(0x59616d61, r5) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r3, 0x401) setsockopt$inet_sctp_SCTP_INITMSG(r2, 0x84, 0x2, &(0x7f00000001c0)={0x40, 0x7, 0x5}, 0x8) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r2, 0x84, 0x6, &(0x7f0000000440)={0x0, @in6={{0xa, 0x4e20, 0x2f4b, @mcast2={0xff, 0x2, [], 0x1}, 0x8}}}, &(0x7f0000000240)=0x84) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r4, 0x84, 0x9, &(0x7f0000000500)={r6, @in6={{0xa, 0x4e22, 0xf73, @remote={0xfe, 0x80, [], 0xbb}, 0xffffffffffffff00}}, 0x2, 0xa5, 0x7fffffff, 0x2, 0x40}, 0x98) recvfrom$packet(r4, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:46 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) [ 3020.138800] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:47 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x54000000]}, 0x18) 19:30:47 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6c00], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:47 executing program 1: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000080)='/dev/autofs\x00', 0x800, 0x0) signalfd(r0, &(0x7f00000000c0)={0x60000000000000}, 0x8) r1 = socket$inet6(0xa, 0x201000000000002, 0x0) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) pipe(&(0x7f0000000000)) bind$inet6(r2, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) openat$ashmem(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ashmem\x00', 0x1, 0x0) listen(r2, 0xffefffffffffff7f) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r1, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:47 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xc0045878, 0x0) 19:30:47 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff]}, 0x18) [ 3020.278962] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:47 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6c000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:47 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0x81a0ae8c, 0x0) 19:30:47 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x74000000]}, 0x18) 19:30:47 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) sysinfo(&(0x7f0000000000)=""/53) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:47 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) r4 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x200000, 0x0) ioctl$KVM_ENABLE_CAP_CPU(r4, 0x4068aea3, &(0x7f0000000180)={0x7b, 0x0, [0x8, 0xba200000000000, 0xffffffff, 0x100000001]}) 19:30:47 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r2 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) r3 = syz_open_dev$sndpcmc(&(0x7f0000000180)='/dev/snd/pcmC#D#c\x00', 0xfffffffffffffe00, 0x400) setns(r3, 0x0) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:47 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:48 executing program 1: r0 = socket$inet6(0xa, 0x201000000040002, 0x4) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x501000, 0x0) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:48 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80ffffff00000000]}, 0x18) [ 3021.238330] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:48 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:48 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x82040, 0x0) ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r2, 0xc0305710, &(0x7f0000000080)={0x0, 0x100, 0xea, 0x1}) listen(r1, 0xffefffffffffff7f) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r4 = socket(0x10, 0x3, 0x0) sendmsg$nl_route(r4, &(0x7f00000002c0)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000200)=ANY=[@ANYBLOB="282200000000000a00000000000000190b000004000000080017004e204e24000000000000000000"], 0x28}, 0x1}, 0x0) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:48 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xaec2, 0x0) [ 3021.366090] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:48 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x44000000]}, 0x18) 19:30:48 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0xbb3feae) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:48 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x74000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 3021.516317] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:48 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000]}, 0x18) 19:30:48 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae2c, 0x0) 19:30:48 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:48 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000000)={0x0, 0x4}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp6_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000080)={r3, 0x3f, 0xfffffffffffffffd, 0x100000000}, 0x10) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:48 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f0000000000)={0x0, 0x5, 0x0, 0x5}, 0x8) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) prctl$setname(0xf, &(0x7f0000000040)='lo&%\x00') ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:48 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:48 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) syz_open_dev$sndpcmc(&(0x7f0000000180)='/dev/snd/pcmC#D#c\x00', 0xfffffffffffffe00, 0x400) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:48 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) accept4$inet6(r0, 0x0, &(0x7f0000000140), 0x80800) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 3022.154477] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:49 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3500000000000000]}, 0x18) 19:30:49 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:49 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae48, 0x0) 19:30:49 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:49 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1800000000000000]}, 0x18) [ 3022.328758] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:49 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) r2 = open(&(0x7f0000000000)='./file0\x00', 0x80400, 0x1) r3 = mmap$binder(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x4, 0x10, 0xffffffffffffffff, 0x0) ioctl$KVM_ENABLE_CAP(r2, 0x4068aea3, &(0x7f00000012c0)={0x0, 0x0, [0x0, 0x0, 0x4, 0x4]}) ioctl$BINDER_GET_NODE_DEBUG_INFO(r1, 0xc018620b, &(0x7f00000000c0)={0x0}) ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000001c0)={0x74, 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="0163404003000000000000000100000000000000000000001100000000000000000000002000000000400000300000e400000000", @ANYPTR=&(0x7f0000000040)=ANY=[@ANYBLOB="8561646600000000040000000000000004000000000000000800000000000000"], @ANYPTR=&(0x7f0000000080)=ANY=[@ANYBLOB="3800000000000000000000000000000000000000000000002000000000000000380000000000000099cd08c1a13e0963"], @ANYBLOB="0f630c40020000000400000000000000066304400100000003630840", @ANYRES64=r3, @ANYBLOB="03630840", @ANYRES64=r4], 0x1000, 0x0, &(0x7f00000002c0)="babd796feb5fd82eeb395b9cd4581f39b6b069e844405864eefac9bbefea1ab9a1b3442402e62d10d5e10d7b91d430c88bccc30dcf7682069a9a0d6157026e4fafe9054ded29089f61b39c67459e5383d2c36f1a1d14af040549a861d0e4642c9633fb1101f4259194ca8cab466325f9e60c7fb1965ef1f56cf38fe161bdf8b69ec014c5786c84bfdfa382691432bdbc43d2d6c96bffae6e2afa60b92cdf4decacb20b25ac5123cb59f8a49ac7c11d0c1c099933c3288a68249802aa6aa38e43025beecced2b61a7b9d186d207ec6d6a8ae1627107d2aa02bf844b6adbe67b7220d01ff05fe3c2b277adfea75dda070914fa4d82d31ee2f4e7e1f6a71c80f72472eee66996b9768b2ae1fc20d89f1bf3886b3cd4964d57f3396d9d7731f8d0fc5eb74c8405d66d143e65ab8d14a010e85a58d76f9a5e6efd5af1dda62cf3c39e35eecd6eeba5ab9e92e274bcd0e0dabb7948243b6b1664fff12e8b8aae1e42e552fa3a6d919ae8ecde062e416f73bd873ba923d3feb8ef58a8ed3a38cdab80417a800c2dd75c5795e18d706a1f19172c31c2517a833eda8ab8ee1af8d7f05f8101a56437a7a1e1cea7f2af609109b1e38fb086f3c0206b404ba25b3dd382e37568b9c21d3c5560b2928a83c55bc06d835f4bcd5f078d5173756df42e1129bc93d3dfbd9860bfe3c1051e45416067c156e5faf58078ec2595f61bbe56eb0642a9484d3b7ee1790147c1e73da288a7ba6bbc5f761687ac6b6b6b10dca34f4a41d850f5877db0e34a04bc4a417dd60ab4232e4f344c8acefd25e487c45d817b784b4f05c125090c59c1d0d9fb6a5307791eb0e610bc448a509c3ea9f453b96b929579f3b70f9a434450384ccb5fe2ce58f896bce37fade9ffd6e6a7c21e2b892c5f3b7fce26b92cc9c43ab568cc0dfd730b0d3e8ddca45a62f12feeeec76d8d68c61636103ea38cdd3b3d55565f962a74314471c0814c57a6e71850538045f63648168bc287e8e6b2ff0bd84da1a0f97bca82e76b587b2d4acda6226be58254770b43741145cc8c4c3117f7d60861cfe50066a9a828970f2e0ebc66d77120ae536e09f120a1d29bb87e8d9ab5861808135eb2e281ffa66be226e0c492a74617eabdc7ab2c6442e853253df1e3e48fbdb4cbbab2668e4f5ae6098907b41d63517dd4f44d3f942f4d8174d3e22f223888858c469c879544eb0041a2c68017ea4b2cec0d9750a776bb167b7d3bc9ccf2d45e1b01b5c74d5df2367dbdd6c3fc58b3cbb6b0e241e8551bfe3d3c9234d6be3c7187b813ef6984272a23b5185b95bfd09ca9fadbad798150f9f5d3a3abbfa84749e20f3a727b55088bce6ac8df057ed90fc72c7fdf511c344384ee4691c3f3037e71f2395fc140d73f5aec45111b4d213af64a8e1542b5d2c22c5a168c8afe9a81a8cd95ee9484a616041f31efaef9c050e7a5cae150c979ded6006bc7697bd292e31f8fe4e1c13ddc0320e9d88808fc7e7b1875ffbd54071d74b0638aed68b39a4a09940a34f1935cc8923120f40d4c5087aa774ac74e331beb28ce49158525a862cfe9ceb88054e2779091391a297a31cdda811b690e4633c228df6908bea4b7e94c84aed753e226818c5ade191734adae1088337731a7f6f2c7ff539a070cd7fa06e42eccb65241e2c501efb5523787c18c7938f975dee9fafdb082af9c39ef4d900a98f104d2ec379ec8f6652b3bddc2d5c64a0cbf9a58c31b3628c2d3d6d2a5840fff8c3b1b0a2a2bb064bd4c2062b9f1c06019ed099b7a1054121e19c12c4734d86bb99c17c4f21b49def918676197dfded3912161e25459759186d86ef29559664b2da76f60f62754ec0d60b21ba86fe117ccc8743ce8dc6e8b788183c6006283cd7bea9fd4c4961b490d41dfbeddbe1adad7c03dc574c0693a81c4f34cb630539fe1d67d41d75200406ac4d894b153ef8aa15439d37012451752233cd9e4af5b80c1d5f06c1387ba86af20a9627e9478e8f0c0a60763736f3e6ed7cbff6761771783d117b180fa7c1cb7eb84e1cb4846785d1937c714c5f423283ed7c4cd5e140e7ce5761f8bc07dc86cfac926fce5e0b20eac1b4d6a736895e9398a56df789d14a7fef518169adf3280769f8d8288c5f854a8395947bc608723f9bea71bcce029e440172d50926be9d1eeb56a2723e251ec09950c9895c6098641614970d15159299aac304d1d397a1060e8361f1538b86861ebf34e3db917e010de240de2cea257a307ce292eed89d999bc79118f78c5834eadcb2fda23a647a8c2888c72adaf5e7ed642e4a6b017334114dbf28011a3695ab55442431969bc3d56bcb34138d14cdf313df35aeace1f4ea2b7f159af18d5c9f3651c7612a8ee62baf36b139fadda841c6f9a9493644cba2752aadeab3e66b6ed03da4e4492a1dd94e7b0b417fef9b2fcaf57a6fe0f4ca270a59e4f797d1dc21839486b29868611b2b2728093b705f0d29cdac45282ac1de7386668ab14454ff5e8df15ed793a8d4d999366b691aea7e91c1e48ac16d95b807f339405d99fc32a112a01151b860ade03fa32bbd356bff6cdab608c2b34c11f241f371c5e19c3f3704c8345fb4ee7328eba2e14c5f3836c151fffa2766400739815ce42e78f603f81de7d400ba29ac603aee9fa31629a129fe779b81dbeaf0a5a686a463fd0c0612a9b5a3737f0a234aa3458cc3f4ad9bbab7c973027ca6e58fe2b94580599c01c191961e66350a314a31a74272a03749db7fc38bf1feace2198b286ee766d1849912f04cf14283f07de83fd7e8d15e4f8c556da8faf567a71453ba03fb85332856cc19dbd5033897b5455facf3b520d2f2bc002f2d9a630743146eb698477abf836104903c059771d4e9add7f2ee65d0175e35c32a565be6e19e1d9df14abe66efee1136bd454b11f4ede47a382be15e2b5d2a7c981164f30dae8dae4ca7f710d604014f57665be17fe9cbc4bc35d0fdb090a2bb5c572ed74b5167f27696d2ddcb3d18086c56f23a78e64f6f72728a78d90144a6711fa5804ee27913ae73bf8a7aa35ad823f5e20f87b2cb9c470d97df1ae47d5d54897d9d853bf6c1134a135cd09e835af1037a89366e1fa37afa9a08f454706ebbffd0c1d2532933aaa79b040cd911fdf07c7ad57ad0b5f354cf4445a2e37e01c02563d1af95f95a1e7e8ca383a0870444becad37258773728c98846f79c7ac6bdd9fd5416dae0412a50445734ca2d3abe13b6024e044e5984308941b93caa3ad4f7b81cac82d451ce6e5d361dbc428efd482f9a61fcef8d8d9c6a795c6a4e023b877c556be9e57c5c144d74e2a21fb2e5093c801a35a7c92e9ba520de7259396a2944cf77e6648d0911252f8bb1ff7a4f053bf87081bcd11d510574afbfb7e966020f0a3db2369d097ea52b9b8912965ed1cd85bff20e26491a631c6520bc2d9b6007d4418b24818dd33cced3d318dd1232fc9679282d43205b80e4bec098aab1310ab40a83423e1c70fe8226dc388118d59c410cc0e2cc49d458b5028474a3c9eb6d207bf18529e060d556ef6896f170da58ae74f522bd4ecc1a375b4d238970eba44ac63b9df790b4db49d89dbad0fbc80b3785ce1d62f161aa2fc6f8562f296af5df9d666325c065b52254b9799b8d58f825f4ec6abd331cadd99b7b553d7464ef43fe1c00db12b0c4c14566361315641f319abb86e9218cf74020f2d13d4d48008f9488fc3000a95b3881d302853f01ab29a915ce677b7ef13c8db18529c09aec2d968e1fbe2bdbc7f552b0f6752eb11403f8122c7eb8faccd088b605bab7c3c4db244da04ade302b392076700383e75187ce1d4fe0b75ec0fd6f768e7534311a37e7e12a93d9f3294c11c6c8f501b36b739a59f2c4b0a6e9d7936b72a9a0be65db2375d49130095ec3685d5c9899bbeaf4d3379ddc27883fe04b6cb5eb7aee67ddea7bc635f76218ead5eea8149cfb74dab8d5df18e22acdcf9e58fc66c0cc89dd9abef1c80a8c75b708e8e6469ba43070b04369b7f514ab6805d2bb49c0e13aa7cbee46793bbfb0218a227fa9ec3f38519c655329a49af7cc5db02cf3fd02c8260c8afcb13975e42c0a4e2d9f41035a4e83e2e2807089fb04653c1de78cf71e57ac8d778cc5c8b50ee8d0407261f0355e1a761bad5a9655145f90c321fc9b067feddd8e8883066fbf829878eab3f443ef00dc06ced6736109ab89afda3cd8b6d97e229a5901ec8e5cbf6ef0dd7a60398ab9a4b247f4ef67c90bd9a03f0710cda925d0f6fc3365c27550b601d17b6e4425cd21ac1daba325c3f4147af808a1903c7ff7c91bbf645703c36439c82e6784d10607bee6918846c7ab6e89594597af8f5dfb13fb89e0bcf4abc6ea054c5d1d969e8d7b3b9c6341783b7d8cb02208c4bc62356d5a28da7b9ac0acc42c14199faf9cfeab953545f71b7eadbbf0958089fe8d2a5ce3de7fe4d05a088128bbf84a5de429edfe12d395ab14506d56fa46e2f7b4e718a2e635ac5fbdeed79b40852d1334173aaaa963a2408a4e0db4d75134237a2b513e5e1f57aa8a95b3d8861bdca13b74b6b0057a4680b263d5c632c473e8780d1c177821bbe2dcbe1eeeebd7f26fef3c8a15c7f3291c0e3488c178668dc018d962de13bcd4ca89f25edee01b14b5bb524fbfe700365b3b5660b995404968636d6c7a5dd6dc463a64280eef6a295e49cfe8706a8051b68a51e96e09389f7cb2209b98d9bac4689e74639b1cb11b49d950bfc49263c840501e708ac3a228310c632ebb34fb36b9c58816267c1d0da7f3f01194d258bab6f786883f1a7bf77a2b6334a2f75e20dcfa16b248ec0a6b32d46c434f1eac4f8339467f41e545d5e50cd5e1f88a888aae940a97090b2ab7933b2eaf1dc7819db2227938987c7b2cf9017a80666a69952c6309f7f9f41fa2c088dd44f5c955ebb55aa789a0eb5e41d92c3825f025f99650deeff326d99d12f7db5a8d8c916336111efa959bd5fa2f9eed56c95fde7d0201ec5ea6eab1adc4a8362476cd6478c1345b5d145b79e69b029339ead2c656cfc8f3a44124ade93f5a447a3c42fdbed087dfea4e54d79633a780e418ea6cf8dd01157b2f63de32c35921646880784183d0324eb36aabda5a312ad04cf32a64e9190661ffebf907c7f552b880da5e6abf3ade40701ec80c498dafbd1bc0f9296c8e2b315eb696af5cfd71ea49c62b3e25dc4b837007d08b89c93de857cd2fdb90eb5a135bbbaef2dc647278117e5bdc00b61c20cac911dfe729d8a878c7e8331c6e5ee6a54cb21c1ac9e7ad0fc5bc617513da1efa8d8a8e0e3ffae5c12375be3635cdebd045a935ac35f30a2648c3cba4baa14c46fd7dbc84c7dee40d63b24db2f40fe685d621031d63a6280172b370bd8c5fea138e3be5c13ec38762d4dccc134bca1f35aa674687c67759f9f04d1cd7723cc96a73e911c1a7576081a474a991bd35eec92a3cca0612d41af9d0ed8604eb45ae3c97da5c02dc2284428c4d5d0c1dc2911d9385c09005936a8033f360b0147f671b853c32702b62cf32dea12ab0f9aef64f6f78e16a934d883d86415aefe6d004af57ff361c0f1e1d732380ff96c450bf1e8cc8ebd56319fdbcea20e82bf109caae2f5dc733e8d7912356799285d64e224736d61f77db29ea3d5b2092fa13e4e725cfc8b986462d2c400713dd3e7f2a8c57d687e5c0e2ac3e24dfcfc5317f8c3d3db58b7f1aa91bd502a0d15e6a38c548455228354fcfe68e01c4f5500fe56d388f02414dfc1ede369e7bdc58ad208647e4079deea65a0c188d2c3ac8716df353b01108b91fb3fead4"}) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) setsockopt$IP_VS_SO_SET_DELDEST(r2, 0x0, 0x488, &(0x7f0000000200)={{0x0, @empty, 0x4e23, 0x1, "16318cf4482dece200", 0x20, 0x9, 0x64}, {@broadcast=0xffffffff, 0x4e22, 0x100000000000000, 0x83, 0x10000, 0x317}}, 0x44) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r5, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r5, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:49 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x68000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:49 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xb7ffffff]}, 0x18) 19:30:49 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0x4020940d, 0x0) [ 3022.472723] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. 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Check SNMP counters. 19:30:49 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) creat(&(0x7f0000000000)='./file0\x00', 0x80) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:49 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x18100000]}, 0x18) 19:30:49 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 3022.647108] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:49 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0x5450, 0x0) 19:30:49 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r3 = dup(r0) fremovexattr(r0, &(0x7f0000000080)=@known='security.evm\x00') getsockopt$inet_int(r3, 0x0, 0x15, &(0x7f0000000000), &(0x7f0000000040)=0x4) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:49 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc0ffffff]}, 0x18) 19:30:49 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:49 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:49 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) stat(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000200)={0xfff, 0xf84, 0x8001, 0x8, 0x0, 0xfffffffffffffffd, 0x80000000, 0xf673, 0x0}, &(0x7f0000000240)=0x20) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x73, &(0x7f0000000280)={r3, 0x9c, 0x30, 0xfffffffffffffffe, 0xf5}, &(0x7f0000000300)=0x18) r5 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./file0\x00', 0x100, 0x1e0) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r5, 0x84, 0x70, &(0x7f0000000440)={r4, @in6={{0xa, 0x4e23, 0xffffffffffff44b3, @ipv4={[], [0xff, 0xff], @rand_addr=0x1ce}, 0x2}}, [0x4, 0x8c, 0x1, 0x5, 0xffffffff, 0x3f, 0xff, 0x3, 0x80000000, 0x1, 0x7, 0xb00, 0xc, 0x1576, 0x10000]}, &(0x7f0000000540)=0x100) r6 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r6, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:49 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:49 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) sync_file_range(r0, 0x5, 0x4a8, 0x4) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x4, 0x4000) ioctl$KVM_SET_SREGS(r3, 0x4138ae84, &(0x7f0000000040)={{0x100000, 0x1f000, 0x0, 0x8, 0x7, 0x4, 0x1, 0xcd8f, 0x60000000000, 0x4, 0x800, 0x7}, {0x0, 0x0, 0xb, 0x8, 0x7, 0xffffffffffffffad, 0x7, 0x3, 0xda1, 0x72ba, 0xfffffffffffffffa, 0xe5}, {0x1, 0xf002, 0x9, 0x8, 0xfff, 0x80, 0x10000, 0x3, 0x20, 0x80000001, 0x76cf, 0x8}, {0x103000, 0x0, 0xe, 0x400, 0x0, 0x8, 0xb66c, 0x7ff, 0x7fffffff, 0x1, 0x80, 0x4000000}, {0x4000, 0x7000, 0x9, 0xd7ec, 0x7fff, 0x10000, 0x4, 0x0, 0x7113, 0x1, 0x1, 0x4}, {0x0, 0xf000, 0x10, 0x0, 0x7, 0x0, 0x6, 0x7, 0x442, 0x9, 0x7a5d, 0x3f}, {0x1d000, 0x4000, 0xa, 0x5, 0x8001, 0x1, 0x2, 0x100, 0x7a, 0x8001, 0x1, 0x9}, {0x5000, 0x1d000, 0x1b, 0x1, 0x40, 0x916e, 0x9, 0x9c4a, 0x400, 0x2, 0x100000001, 0x80000001}, {0x2000, 0xf000}, {0x7000}, 0x2, 0x0, 0x103000, 0x200000, 0xc, 0x4800, 0x107004, [0x0, 0x3, 0x4e61, 0xffc0000000000000]}) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:50 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000]}, 0x18) [ 3023.184617] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:50 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c00000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:50 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4]}, 0x18) 19:30:50 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0x4138ae84, 0x0) 19:30:50 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = syz_open_dev$midi(&(0x7f0000000040)='/dev/midi#\x00', 0x4, 0x20000) ioctl$KVM_GET_IRQCHIP(r3, 0xc208ae62, &(0x7f0000000080)) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:50 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 3023.371700] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:50 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x54]}, 0x18) 19:30:51 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:51 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) getsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x24, &(0x7f00000003c0)={@dev, @dev, 0x0}, &(0x7f0000000400)=0xc) setsockopt$inet6_IPV6_PKTINFO(r1, 0x29, 0x32, &(0x7f0000000440)={@mcast1={0xff, 0x1, [], 0x1}, r3}, 0x14) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) getsockopt$SO_COOKIE(r1, 0x1, 0x39, &(0x7f0000000000), &(0x7f0000000040)=0x8) r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080)='/dev/zero\x00', 0x16443, 0x0) setsockopt$llc_int(r4, 0x10c, 0x9, &(0x7f00000000c0)=0x8, 0x4) 19:30:51 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae1b, 0x0) 19:30:51 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) socket$inet_dccp(0x2, 0x6, 0x0) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) connect$inet6(r2, &(0x7f0000000000)={0xa, 0x4e23, 0xfff, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0x20}}, 0xff7}, 0x1c) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x7f, &(0x7f0000000040)="023b185a98f3e570000000") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:51 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(0xffffffffffffffff, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:51 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5000000]}, 0x18) 19:30:51 executing program 2: r0 = socket$inet6(0xa, 0x1000000000006, 0x611) read(r0, &(0x7f00000000c0)=""/142, 0x8e) ioctl(r0, 0x890e, &(0x7f0000000200)="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") r1 = semget$private(0x0, 0x5, 0x1) r2 = syz_open_dev$vcsn(&(0x7f00000001c0)='/dev/vcs#\x00', 0x7f, 0x80) ioctl$SIOCSIFMTU(r2, 0x8922, &(0x7f0000000340)={'rose0\x00', 0x9}) semctl$IPC_RMID(r1, 0x0, 0x0) r3 = socket$inet6(0xa, 0x0, 0x8010000000000082) ioctl$sock_inet_SIOCGIFADDR(r3, 0x8915, &(0x7f0000000180)={'eql\x00', {0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x1b}}}) bind$inet6(r3, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r3, 0x6) r4 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x101002) setsockopt$inet_sctp_SCTP_AUTOCLOSE(r4, 0x84, 0x4, &(0x7f0000000080)=0xaa35, 0x4) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) r6 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x80000, 0x0) ioctl$TUNSETNOCSUM(r6, 0x400454c8, 0x0) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r3, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) accept4(r3, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r5, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 19:30:51 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) [ 3024.231324] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:51 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7a00]}, 0x18) 19:30:51 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:51 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:51 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x7000000) 19:30:51 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 3024.430792] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:51 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5400]}, 0x18) 19:30:51 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4000) getsockopt$bt_BT_RCVMTU(r3, 0x112, 0xd, &(0x7f0000000040)=0x46, &(0x7f0000000080)=0x2) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) setsockopt$inet6_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f00000000c0)='tls\x00', 0x4) 19:30:51 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") socketpair$inet_sctp(0x2, 0x1, 0x84, &(0x7f0000000140)) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) getsockopt$inet6_tcp_int(r3, 0x6, 0x1f, &(0x7f0000000180), &(0x7f00000001c0)=0x4) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:51 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = open(&(0x7f0000000000)='./file0\x00', 0x200, 0x140) setsockopt$netlink_NETLINK_PKTINFO(r3, 0x10e, 0x3, &(0x7f0000000040)=0x4, 0x4) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") ioctl$sock_inet_SIOCSIFBRDADDR(r0, 0x891a, &(0x7f00000000c0)={'ip6tnl0\x00', {0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x18}}}) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000080)={0x0, 0x5}, 0x8) [ 3024.543650] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:51 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffff9c, 0x84, 0x13, &(0x7f0000000000)={0x0, 0xff}, &(0x7f0000000040)=0x8) r4 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080)='/dev/snapshot\x00', 0x2202, 0x0) ioctl$VHOST_SET_VRING_BUSYLOOP_TIMEOUT(r4, 0x4008af23, &(0x7f00000000c0)={0x0, 0x4}) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={r3, 0x5}, 0x8) 19:30:51 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff00]}, 0x18) 19:30:51 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:51 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x300) [ 3024.726606] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:51 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:51 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffd5]}, 0x18) [ 3024.877121] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:51 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:51 executing program 1: r0 = socket$inet6(0xa, 0xa, 0xfffffffffffffff7) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:51 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0xc00000000000000) 19:30:52 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:52 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(0xffffffffffffffff, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:52 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:52 executing program 2: r0 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000680)='/dev/vsock\x00', 0x442, 0x0) ioctl$DRM_IOCTL_RES_CTX(0xffffffffffffff9c, 0xc0106426, &(0x7f0000000700)={0x5, &(0x7f00000006c0)=[{}, {}, {}, {0x0}, {}]}) ioctl$DRM_IOCTL_LOCK(r0, 0x4008642a, &(0x7f0000000780)={r1, 0x20}) r2 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r2, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") setsockopt$sock_void(r0, 0x1, 0x24, 0x0, 0x0) r3 = getpid() prlimit64(r3, 0x0, &(0x7f00000001c0)={0x0, 0x10001}, 0x0) r4 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r4, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r4, 0x6) r5 = syz_open_dev$amidi(&(0x7f0000000600)='/dev/amidi#\x00', 0x7, 0x2002) getsockopt$IPT_SO_GET_REVISION_TARGET(r0, 0x0, 0x43, &(0x7f00000007c0)={'ah\x00'}, &(0x7f0000000800)=0x1e) ioctl$VT_SETMODE(r5, 0x5602, &(0x7f0000000640)={0x2, 0xfff, 0x6, 0x2, 0x8a0}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r4, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f0000000980)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000300)=0xaf) setsockopt$inet6_MRT6_ADD_MFC(r2, 0x29, 0xcc, &(0x7f0000000440)={{0xa, 0x4e22, 0x4, @mcast2={0xff, 0x2, [], 0x1}, 0xffff}, {0xa, 0x4e21, 0x7, @mcast2={0xff, 0x2, [], 0x1}, 0x2}, 0x8, [0xfffffffffffffffa, 0x7f, 0xffffffff, 0x7, 0x1157, 0xfffffffffffffffd, 0x0, 0x5]}, 0x5c) r7 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000200)='/dev/snapshot\x00', 0x200000, 0x0) ioctl$sock_inet_SIOCDELRT(r7, 0x890c, &(0x7f00000004c0)={0x17bd, {0x2, 0x4e20, @remote={0xac, 0x14, 0x14, 0xbb}}, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x1a}}, {0x2, 0x4e20, @broadcast=0xffffffff}, 0x130, 0x3, 0xffffffff, 0x3, 0x8, &(0x7f0000000240)='erspan0\x00', 0x3f, 0x1, 0x12d}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r7, 0x84, 0x18, &(0x7f0000000280)={0x0, 0x4}, &(0x7f0000000540)=0x8) getsockopt$inet_sctp6_SCTP_RTOINFO(r2, 0x84, 0x0, &(0x7f0000000580)={0x0, 0x100000000, 0x7, 0x80000001}, &(0x7f0000000740)=0x10) setsockopt$inet_sctp6_SCTP_RESET_ASSOC(r6, 0x84, 0x78, &(0x7f0000000340)=r8, 0x3) r9 = accept4(r4, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) getsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r9, 0x84, 0x8, &(0x7f0000000140), &(0x7f0000000180)=0x4) sendto$inet6(r6, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r9, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:52 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xd0ffffff00000000]}, 0x18) 19:30:52 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x400000000000000) 19:30:52 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet6_tcp_int(r0, 0x6, 0x15, &(0x7f0000000000)=0x248e, 0x4) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:52 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) r2 = gettid() ptrace$PTRACE_SECCOMP_GET_FILTER(0x420c, r2, 0x1, &(0x7f00000002c0)=""/4096) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) accept$packet(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000000040)=0x14) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'ifb0\x00', r4}) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x100000000, &(0x7f0000000100)="f234de083296203d760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 3025.975891] Unknown ioctl 1074291754 19:30:52 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000000000000]}, 0x18) [ 3025.997660] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:52 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff80], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:52 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40000000]}, 0x18) 19:30:52 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0xfdfdffff00000000) 19:30:52 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) write$binfmt_aout(r2, &(0x7f00000002c0)={{0x107, 0xd609, 0x7, 0x27c, 0x6d, 0x6a5c, 0x25c}, "4eb649995f482a228e4a6b1e4a5dfa4b753e97d905f2af5b03", [[], []]}, 0x239) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:53 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x200000008911, &(0x7f0000000380)="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") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) r3 = syz_open_dev$midi(&(0x7f0000000040)='/dev/midi#\x00', 0x7ff, 0x200000) ioctl$VT_OPENQRY(r3, 0x5600, &(0x7f0000000080)) setsockopt$inet6_buf(r1, 0x29, 0x2a, &(0x7f0000000000)="2356c58ca259cbf8c6d0c5b0913fa1ed5ed06670e6a63a9c4ff674ddb4448be1685a56527c44dd46e98d64428dc1d03f0f1e0b410ed3f1", 0x37) [ 3026.165099] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:53 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50]}, 0x18) 19:30:53 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7400], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 3026.337989] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 3026.789337] Unknown ioctl 1074291754 19:30:53 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:53 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x8000000000000009) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:53 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:53 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x1ff) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendmsg$nl_crypto(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400440}, 0xc, &(0x7f0000000140)={&(0x7f0000000040)=@del={0xe8, 0x11, 0x20, 0x70bd2b, 0x25dfdbff, {{'drbg_pr_ctr_aes192\x00'}, [], [], 0x0, 0x2000}, [{0x8, 0x1, 0x3ff}]}, 0xe8}, 0x1, 0x0, 0x0, 0x4040}, 0x4) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:53 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0xe8030000) 19:30:53 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50000000]}, 0x18) 19:30:53 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:53 executing program 1: r0 = socket$inet6(0xa, 0x800, 0x9) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") getsockopt$inet6_IPV6_FLOWLABEL_MGR(r2, 0x29, 0x20, &(0x7f0000000000)={@ipv4={[], [0xff, 0xff], @broadcast=0xffffffff}, 0x1, 0x1, 0x1, 0x2, 0x1, 0x9, 0xc}, &(0x7f0000000040)=0x20) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 3026.985455] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:53 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:53 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6c00], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:53 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2500]}, 0x18) 19:30:53 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0xe803) 19:30:53 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = syz_open_dev$dmmidi(&(0x7f0000000140)='/dev/dmmidi#\x00', 0x20, 0x0) ioctl$KDGKBSENT(r3, 0x4b48, &(0x7f0000000180)={0x9, 0x4}) r4 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r4, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 3027.119924] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:54 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x700], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:54 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5000]}, 0x18) 19:30:54 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x200, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) r3 = syz_open_procfs(0x0, &(0x7f0000000000)='net/packet\x00') getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffff9c, 0x84, 0x1d, &(0x7f0000000040)={0x9, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000080)=0x28) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r3, 0x84, 0x18, &(0x7f00000000c0)={r4, 0x7ff}, &(0x7f0000000100)=0x8) [ 3027.274803] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:54 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:54 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x6cda) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r0, &(0x7f0000000440)={&(0x7f0000000180)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @remote}}}, 0x80, &(0x7f0000000300)=[{&(0x7f0000000200)=""/148, 0x94}], 0x1, &(0x7f0000000340)=""/44, 0x2c, 0x2}, 0x2) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x20, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x10000000000000, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x14) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000140)={0x0, 0x6c, 0x10}, 0xc) 19:30:54 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") bind$inet6(0xffffffffffffffff, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(0xffffffffffffffff, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) r2 = accept4(0xffffffffffffffff, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:54 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0xfffffffffffffffc) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0, 0x1e6) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000001ac0)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r3, &(0x7f0000001bc0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000001b80)={&(0x7f0000001b00)=@newtclass={0x6c, 0x28, 0x4, 0x70bd25, 0x25dfdbfc, {0x0, r4, {0xe}, {0xc, 0xfff7}, {0xffff, 0x7}}, [@tclass_kind_options=@c_atm={{0x8, 0x1, 'atm\x00'}, {0x14, 0x2, @TCA_ATM_HDR={0x10, 0x3, "47fdcdc1edb952268f99"}}}, @TCA_RATE={0x8, 0x5, {0x4, 0x7}}, @tclass_kind_options=@c_cbq={{0x8, 0x1, 'cbq\x00'}, {0x14, 0x2, @TCA_CBQ_RATE={0x10, 0x5, {0x9, 0x0, 0x9, 0xe8d9, 0xfffffffffffffffd, 0x80000001}}}}, @TCA_RATE={0x8, 0x5, {0x7, 0x6}}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4}, 0x20008800) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000180), 0x176) getsockopt$inet_sctp_SCTP_RECVNXTINFO(r3, 0x84, 0x21, &(0x7f0000000000), &(0x7f0000000040)=0x4) 19:30:54 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x3) 19:30:54 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffb7]}, 0x18) 19:30:54 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:54 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r2 = syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0x0, 0x600800) ioctl$TUNGETVNETHDRSZ(r2, 0x800454d7, &(0x7f0000000040)) listen(r1, 0xffefffffffffff7f) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:54 executing program 0: socket$inet6(0xa, 0x1000000000002, 0x0) r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 3028.089749] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:54 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffc0]}, 0x18) 19:30:55 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff7f00000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:55 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$IP6T_SO_SET_ADD_COUNTERS(r1, 0x29, 0x41, &(0x7f0000000000)={'raw\x00', 0x2, [{}, {}]}, 0x48) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:55 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x29) [ 3028.253983] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:55 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet6_tcp_TLS_RX(r1, 0x6, 0x2, &(0x7f0000000000)={0x303, 0x33}, 0x4) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) open$dir(&(0x7f0000000040)='./file0\x00', 0x4080, 0x1) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:55 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3700000000000000]}, 0x18) 19:30:55 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x700000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 3028.429556] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:55 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:55 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0xf00) 19:30:55 executing program 0: socket$inet6(0xa, 0x1000000000002, 0x0) r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:55 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) fcntl$setstatus(r0, 0x4, 0x40000) r1 = socket$inet6(0xa, 0x0, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:55 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:55 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2500000000000000]}, 0x18) 19:30:55 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f00000000c0)={0xa, 0x1000000004e23, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x0, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1a, &(0x7f0000000000)={0x0, 0x45, "42d4c75b8cb9f40d18075c716426912251241bd8784b9d46167168321058031c89395f6fd6adf722a0c782d7390ff2337d7a4bdacf90d520637fed91cef52275f3571e2c9b"}, &(0x7f0000000080)=0x4d) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={r3, 0x5}, 0xffffffffffffff93) 19:30:55 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8dffffff00000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:55 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xd5ffffff00000000]}, 0x18) [ 3029.084809] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:55 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c00], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:56 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000086) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f0000000000)={0x0, @in={{0x2, 0x4e21, @multicast1=0xe0000001}}, 0x6665, 0x9}, &(0x7f00000000c0)=0x90) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000240)={'ip6gretap0\x00', {0x2, 0x4e22, @broadcast=0xffffffff}}) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f0000000100)={r2, 0x1}, 0x8) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) r4 = syz_open_dev$adsp(&(0x7f0000000140)='/dev/adsp#\x00', 0x100000001, 0x80) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f00000002c0)=ANY=[@ANYBLOB="03556a66b0d400da6d000400", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000200)=0x10) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x5) 19:30:56 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") openat$null(0xffffffffffffff9c, &(0x7f0000000000)='/dev/null\x00', 0x100, 0x0) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:56 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x2000000) 19:30:56 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xd0ffffff]}, 0x18) [ 3029.217675] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:56 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 3029.349463] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:56 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x4000000) 19:30:56 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:56 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) getsockopt$IPT_SO_GET_REVISION_TARGET(r3, 0x0, 0x43, &(0x7f0000000140)={'icmp\x00'}, &(0x7f0000000180)=0x1e) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) getsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f00000001c0)={{{@in6=@remote, @in6=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in6=@local}}, &(0x7f0000000300)=0xe8) recvfrom$packet(r3, &(0x7f0000000600)=""/4096, 0x1000, 0x10120, &(0x7f0000000340)={0x11, 0xd, r4, 0x1, 0xff, 0x6, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}, 0x14) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:56 executing program 0: socket$inet6(0xa, 0x1000000000002, 0x0) r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:56 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x18]}, 0x18) 19:30:56 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) getsockopt$sock_buf(r1, 0x1, 0x3f, &(0x7f0000000000)=""/112, &(0x7f0000000080)=0x70) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) fcntl$setpipe(r0, 0x407, 0x6) 19:30:56 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:56 executing program 1: r0 = socket$inet6(0xa, 0x802, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r3, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000000500)={0x1, 0x10, 0x80, 0x1}, 0x360) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet6_MRT6_ADD_MFC_PROXY(r0, 0x29, 0xd2, &(0x7f0000000000)={{0xa, 0x4e23, 0x7fffffff, @remote={0xfe, 0x80, [], 0xbb}, 0x4667}, {0xa, 0x4e21, 0x10001, @mcast1={0xff, 0x1, [], 0x1}, 0x3}, 0x4, [0x2, 0x4, 0x3, 0x7fffffff, 0xfffffffffffff82f, 0x3, 0x7, 0x1]}, 0x5c) getsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000000140), &(0x7f00000001c0)=0x4) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") pipe(&(0x7f0000000080)={0xffffffffffffffff}) ioctl$SNDRV_CTL_IOCTL_CARD_INFO(r4, 0x81785501, &(0x7f00000000c0)=""/81) getsockopt$IPT_SO_GET_REVISION_MATCH(r4, 0x0, 0x42, &(0x7f0000000200)={'ah\x00'}, &(0x7f0000000240)=0x1e) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:56 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x18000000) [ 3030.110624] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:56 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:56 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6a]}, 0x18) 19:30:57 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r3 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x1, 0x4080) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r2, 0x84, 0x1, &(0x7f0000000040)={0x0, 0x9, 0x3, 0x6, 0x4, 0x2}, &(0x7f0000000080)=0x14) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f00000000c0)={r4, 0x5800000, 0xffffffff}, 0x8) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:57 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x4000) 19:30:57 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x57]}, 0x18) [ 3030.266224] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:57 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa00000000000000]}, 0x18) 19:30:57 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:57 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r0, 0x84, 0x6, &(0x7f0000000180)={0x0, @in={{0x2, 0x4e20}}}, &(0x7f0000000240)=0x84) setsockopt$inet_sctp_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f00000002c0)=@assoc_value={r4, 0x1}, 0x8) r5 = socket$inet6_sctp(0xa, 0x5, 0x84) ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r3, 0x40a85321, &(0x7f0000000300)={{0x8, 0x7}, 'port1\x00', 0x82, 0xb, 0x0, 0x8, 0x3ff, 0x80000000000, 0x2, 0x0, 0x1}) sendto$inet6(r5, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) socketpair(0xb, 0x3, 0x10000, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(r6, 0x10e, 0x8, &(0x7f0000000100)=0x1, 0x4) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r8 = dup(r1) ioctl$sock_netrom_SIOCGSTAMPNS(r7, 0x8907, &(0x7f00000003c0)) getsockopt$inet_sctp_SCTP_INITMSG(r8, 0x84, 0x2, &(0x7f0000000000), &(0x7f0000000040)=0x8) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r5, 0x84, 0x7c, &(0x7f0000000080)={0x0, 0x5}, 0x8) [ 3030.406723] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:58 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:58 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:58 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x500000000000000) 19:30:58 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x24000000]}, 0x18) 19:30:58 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = shmget(0x1, 0x1000, 0x54000020, &(0x7f0000ffd000/0x1000)=nil) shmctl$SHM_LOCK(r3, 0xb) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:58 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f0000000000)={0x6, 0x4, 0x9, 0xbc0, 0x62ea}, 0x14) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x0, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") socket$inet6(0xa, 0x2, 0x7) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:58 executing program 0: ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:58 executing program 2: r0 = socket$inet6(0xa, 0x1, 0xffffffffffffffff) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffff9c, 0x84, 0xa, &(0x7f0000000140)={0x8, 0xffff, 0x202, 0x20, 0x1, 0x3ff, 0x1, 0x10001, 0x0}, &(0x7f0000000180)=0x20) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000001c0)={0x2, 0x4, 0x9, 0xf430, r1}, 0x10) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") bind$inet6(0xffffffffffffffff, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet6_tcp_TLS_RX(r0, 0x6, 0x2, &(0x7f0000000200)={0x303, 0x33}, 0x4) listen(0xffffffffffffffff, 0x6) getxattr(&(0x7f0000000280)='./file0\x00', &(0x7f0000000300)=ANY=[@ANYBLOB="6f73782e51308fa83547b087683173656c6600"], &(0x7f0000000440)=""/224, 0xe0) r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000540)='net/udplite6\x00') setsockopt$RDS_CONG_MONITOR(r2, 0x114, 0x6, &(0x7f0000000580)=0x1, 0x4) socket$xdp(0x2c, 0x3, 0x0) r3 = accept4(0xffffffffffffffff, 0x0, &(0x7f0000000240), 0x80000) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r3, 0x84, 0x1b, &(0x7f0000000680)={r1, 0x22, "9b0303c5ea88e4a82edead89872791d5cd844b269faf039e5e50d3eec62b93366b9b"}, &(0x7f00000006c0)=0x2a) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(0xffffffffffffffff, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) connect$vsock_stream(r4, &(0x7f0000000340)={0x28, 0x0, 0xffffffff, @any=0xffffffff}, 0x10) r5 = accept4(0xffffffffffffffff, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000600)={0x9, 0x10000, 0x4, 0x37ed0639, 0x9, 0x64ec, 0x40, 0x9, r1}, &(0x7f0000000640)=0x20) sendto$inet6(r4, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r5, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 3031.276344] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:58 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5700]}, 0x18) 19:30:58 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7a00], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:58 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x75000000]}, 0x18) 19:30:58 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x3000000) 19:30:58 executing program 2: r0 = socket$inet6(0xa, 0x1000000000004, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) getsockopt$inet6_mreq(r1, 0x29, 0x15, &(0x7f0000000180)={@empty, 0x0}, &(0x7f00000001c0)=0x14) sendmsg$nl_route_sched(r3, &(0x7f0000000300)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x404288c2}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)=@gettfilter={0x64, 0x2e, 0x20, 0x70bd27, 0x25dfdbfd, {0x0, r4, {0x5, 0x8}, {0xffe0, 0x9}, {0xfffb, 0x9}}, [{0x8, 0xb, 0x1ff}, {0x8, 0xb, 0x3}, {0x8, 0xb, 0xfffffffffffffff7}, {0x8, 0xb, 0x1}, {0x8, 0xb, 0x80}, {0x8, 0xb, 0x40}, {0x8, 0xb, 0xffffffffffff0000}, {0x8, 0xb, 0x4}]}, 0x64}, 0x1}, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 3031.416815] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:58 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vcs\x00', 0x80, 0x0) ioctl$BLKRAGET(r3, 0x1263, &(0x7f00000000c0)) r4 = syz_open_dev$adsp(&(0x7f0000000000)='/dev/adsp#\x00', 0x639, 0x0) getsockopt$kcm_KCM_RECV_DISABLE(r4, 0x119, 0x1, &(0x7f0000000040), 0x4) 19:30:58 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f00000002c0)={0x0, @in={{0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}}, 0xa2, 0x1, 0x7, 0x9, 0x10}, &(0x7f0000000100)=0x98) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000000140)={0x4, 0x20e, 0x5, 0x0, r2}, &(0x7f00000001c0)=0x10) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = syz_open_dev$amidi(&(0x7f0000000040)='/dev/amidi#\x00', 0x20, 0x1) ioctl$SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT(r3, 0x40505331, &(0x7f0000000080)={{0xffffffffffffffff, 0x9a8}, {0xffff, 0x6}, 0x8, 0x3, 0xc0000000000000}) listen(r1, 0xffffffff) r4 = syz_open_dev$vcsn(&(0x7f0000000200)='/dev/vcs#\x00', 0xfffffffffffff000, 0x2800) ioctl$KVM_DEASSIGN_DEV_IRQ(r4, 0x4040ae75, &(0x7f0000000240)={0x7ff, 0x100000001, 0x20, 0x2}) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r5, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r1, 0x84, 0x13, &(0x7f0000000000)=0x6, 0x4) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r5, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:58 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1100], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 3031.616012] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:59 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:30:59 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x69]}, 0x18) 19:30:59 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x5) 19:30:59 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) ioctl$sock_SIOCGPGRP(r1, 0x8904, &(0x7f0000000000)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:59 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:59 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000000000)={r0}) ioctl$sock_SIOCBRDELBR(r0, 0x89a1, &(0x7f00000000c0)='veth0_to_bridge\x00') getsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000000040), &(0x7f0000000080)=0x4) setsockopt$inet_mreq(r1, 0x0, 0x27, &(0x7f0000000100)={@dev={0xac, 0x14, 0x14, 0x1f}, @multicast2=0xe0000002}, 0x8) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r2, 0xffefffffffffff7f) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r1, 0x28, 0x1, &(0x7f0000000140)=0x1, 0x8) 19:30:59 executing program 0: ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:30:59 executing program 2: r0 = socket$inet6(0xa, 0x80003, 0x1) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x200000000004e23, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x4}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}, 0x3}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 3032.442250] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:59 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6a00000000000000]}, 0x18) 19:30:59 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:59 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x300000000000000) 19:30:59 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r2 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cuse\x00', 0x80400, 0x0) r3 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng\x00', 0x402, 0x0) ioctl$ION_IOC_HEAP_QUERY(r2, 0xc0184908, &(0x7f0000000080)={0x80000000, 0x2, 0x1, r3}) listen(r1, 0xffefffffffffff7f) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r4, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r4, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:30:59 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x97ffffff00000000]}, 0x18) [ 3032.587326] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:30:59 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x7b, &(0x7f0000000000)={0x0, 0x6}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r1, 0x84, 0x1a, &(0x7f0000000080)={0x0, 0xe1, "a0af66650f3bf79d46cfeec108e77dbbcb96dd5c461dcfff8cd4c57ef54845787e6d6200ccafa4ed3a6a19c95837cd331927f164e3b0fe8bd253833fbc2cfeb2cee8eac499227dc77b7345107e5de5f075b0d8a748c04c87f2917577333812295fe62a6cf4a9b436dfbfd502f0d59ff22914bc823cb4b2fe7c9dd599365bd054d4d719709330062ed8da760daba36b2898203b714e8fe55d73c5b251ab261c85cfb510bea359d7e23ebc506e25d2fdc12295f067c7704a89c2f96ae3e30ccf1d93422f4d53968242ea8f5e5d347b6715b4d5f9b5e2788a0a47cdf34b5e907f9853"}, &(0x7f00000001c0)=0xe9) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000000200)={0x0, 0x7f}, &(0x7f0000000240)=0x8) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={r3, 0x81}, 0xfffffffffffffdfb) 19:30:59 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6c], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:30:59 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xb4ffffff]}, 0x18) [ 3032.732222] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:00 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:31:00 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/zero\x00', 0x400, 0x0) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffff9c, 0x0, 0x10, &(0x7f00000012c0)={{{@in6=@dev, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{}, 0x0, @in6=@dev}}, &(0x7f0000000100)=0xe8) bind$packet(r0, &(0x7f0000000140)={0x11, 0xd, r1, 0x1, 0x7, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xf}}, 0x14) r2 = socket$inet6(0xa, 0x1, 0xff) r3 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r3, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl$sock_FIOGETOWN(r3, 0x8903, &(0x7f0000000000)=0x0) ptrace$PTRACE_SECCOMP_GET_FILTER(0x420c, r4, 0x400, &(0x7f00000002c0)=""/4096) bind$inet6(r2, &(0x7f0000000040)={0xa, 0x4e20, 0x9, @dev={0xfe, 0x80, [], 0x15}, 0x5}, 0x1c) listen(r3, 0xffefffffffffff7f) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r5, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r2, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r5, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:00 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff8d], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:00 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80ffffff]}, 0x18) 19:31:00 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x1800000000000000) 19:31:00 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r2 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000)='/dev/uinput\x00', 0x4000, 0x0) r3 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x400000) ioctl$TUNSETSTEERINGEBPF(r2, 0x800454e0, &(0x7f0000000080)=r3) listen(r1, 0xffefffffffffff7f) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r4, &(0x7f00000000c0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r4, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:00 executing program 0: ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) r2 = accept4(r0, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:31:00 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x10008912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x0, 0x8010000000000084) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000340)='/dev/hwrng\x00', 0x28240, 0x0) r3 = openat$dsp(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/dsp\x00', 0x80800, 0x0) ioctl$ION_IOC_HEAP_QUERY(r2, 0xc0184908, &(0x7f0000000400)={0x20, 0x2, 0x1, r3}) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r5 = accept4(r1, &(0x7f0000000140)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x80, 0x80) setsockopt$sock_void(r2, 0x1, 0x24, 0x0, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) sendto$inet6(r0, &(0x7f00000001c0)="a92054443e8271691b8515a954b7aa62ae846d7350cc9fb85c04f459826bac418a3bdb9fbe8c6910266fe226bc9c7f1db91eac7ebd3d4e00e1672e7280f056467426faa78a0443f3fd1ecdbc8d791a111e7366bf9b4fa78af574bb2fcdcfa92dbd360ee9b0b24cad4ba8a0e324fe167cbd19927f772ac036fadbf8b653cc071ef3ee2f20a53489da6442e0a0036c0160bae813f7f6f6123a1e0f8568df36a80c4dc3dc0d677326e4d31c0f00bc324dab33f8e2319810171694bf93be40122f1857", 0xc1, 0xc800, &(0x7f0000000300)={0xa, 0x4e20, 0x4ae8000000, @local={0xfe, 0x80, [], 0xaa}, 0x9}, 0x1c) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r4, 0x84, 0x7b, &(0x7f0000000440)={0x0, 0x1}, &(0x7f0000000480)=0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, &(0x7f00000004c0)={r6, @in={{0x2, 0x4e20, @loopback=0x7f000001}}, 0x2, 0x1000}, &(0x7f0000000580)=0x90) sendto$inet6(r4, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r5, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:31:00 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x62000000]}, 0x18) [ 3033.456605] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:00 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c00000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:00 executing program 1: r0 = socket$inet6(0xa, 0x3, 0x80) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 3033.577388] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:00 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x18) 19:31:00 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf5ffffff], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:00 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000000140)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$fou(&(0x7f0000000040)='fou\x00') sendmsg$FOU_CMD_GET(r4, &(0x7f0000000180)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x1c, r5, 0x821, 0x0, 0x0, {0x3}, [@FOU_ATTR_PORT={0x8, 0x1, 0x4e24}]}, 0x1c}, 0x1}, 0x0) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:31:00 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x55]}, 0x18) 19:31:00 executing program 3: socket$nl_netfilter(0x10, 0x3, 0xc) r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000000080)={0xa, 0x4ea3, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c) r2 = syz_open_dev$dmmidi(&(0x7f0000000000)='/dev/dmmidi#\x00', 0x201, 0x200000) listen(r1, 0xffefffffffffff7f) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) getsockopt$inet_tcp_TCP_REPAIR_WINDOW(r2, 0x6, 0x1d, &(0x7f0000000040), &(0x7f00000000c0)=0x14) [ 3033.725422] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 3034.557254] netlink: 'syz-executor2': attribute type 1 has an invalid length. [ 3034.589509] netlink: 'syz-executor2': attribute type 1 has an invalid length. 19:31:01 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:31:01 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400000000000000]}, 0x18) 19:31:01 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:01 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000080)={&(0x7f0000000040)='./file0\x00', 0x0, 0x10}, 0x10) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vga_arbiter\x00', 0x30000, 0x0) ioctl$sock_netrom_TIOCINQ(r3, 0x541b, &(0x7f0000000100)) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") ioctl$SNDRV_TIMER_IOCTL_TREAD(r3, 0x40045402, &(0x7f0000000140)=0x1) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/expire_quiescent_template\x00', 0x2, 0x0) ioctl$KVM_GET_FPU(r4, 0x81a0ae8c, &(0x7f00000002c0)) 19:31:01 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0xffff8000) 19:31:01 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl$sock_inet_SIOCGIFNETMASK(r1, 0x891b, &(0x7f0000000000)={'sit0\x00', {0x2, 0x4e20}}) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f0000000040)={0xa, 0x4e23, 0x21000000000, @loopback={0x0, 0x1}}, 0x1c) exit_group(0x4) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:01 executing program 0: r0 = socket$inet6(0xa, 0x0, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:31:01 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") bind$inet6(r0, &(0x7f0000000180)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0xffffffffffffffe3) listen(0xffffffffffffffff, 0x6) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(0xffffffffffffffff, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r2 = accept4(0xffffffffffffffff, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r2, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 3034.780404] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:01 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x5, 0x6fc8) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x13, &(0x7f00000001c0)={0x0, 0x3d5}, &(0x7f0000000200)=0x8) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r1, 0x84, 0x6c, &(0x7f0000000500)=ANY=[@ANYRES32=r2, @ANYBLOB="7900000071e0e56c48d88bfaa050f067f2aed812733405a1adc351b41cd687f76b29e4cb88da0435521a067972c45e7934632aa11bd6ee79cbd63b3e3ac3e9d20b810a1f858a79fe1e2cafa2bdffd9a3cd61fba0eb8d64e3347860b3d28b7321de7a8adbc9a03ca80c3dd54c0f37bf99d5553790516f0cd8a94abb4862dffa5c0aba8cd1f8f9f373d9a2c781f278b6ebf4766f608652a2551a323d531f2a1e6ea28e881f3eee9617942166aabf912b4868646e4de9e812f266fd0de59a7e45b1dc53e20b92358a133df45af6d3405edea66add94e4834c8798dbfc2a367e135d78f30fe1c97cfa4a0b00bbc46264208674c886d6eb05d9d6d79a25df2d0432054bc769a5bb44fd6357a36962c4ec4e8f5082f81c659caca8d5381907d2363fee48008c84bba9262d40314dd805fdd4b652f5ab563675360cc9fa6ecd9a786cfa0c6f30de4bcc4d06eaf9e98923f62c84a6c2bb8a275da594c1db24a9ea4b5794ed1a8e"], &(0x7f0000000300)=0x81) close(r0) listen(r1, 0xffefffffffffff7f) r3 = socket$inet6_sctp(0xa, 0xfffffffffffffffe, 0x84) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x3, &(0x7f0000000040)="025fc83d6d345f8f7600708c6cea4ea75812a892622cda42b47e61665454eef38e687c9439676b5dbdf53a50a7ca96ebf09c262727df385341922e91efc9c2f41cad93a6a9103004a0991a79db7d9f44b2a54c86e7ee2625e5c3cb496f49a7940a920a657d349ab1f6e1b834538b1bb27301734577ffccc1f5fb63ca275f4cfcd185a385f8f430ffb832e5226ea72bc652fa56ecd751f7e143873a729693e506009fcfd38a9846ee9c361140ab5b42c5a41cc50b546351d724190ee03078894cbbfd79d285b41b23a9769c0ef455c22d633c1b172b22bc19181e091ec85c") r4 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x98400, 0x0) mkdirat(r4, &(0x7f0000000140)='./file0\x00', 0x90) unlinkat(r4, &(0x7f0000000340)='./file0\x00', 0x0) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:01 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa000000]}, 0x18) 19:31:01 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) r4 = syz_open_dev$amidi(&(0x7f0000000140)='/dev/amidi#\x00', 0x2, 0x105000) ioctl$KDDISABIO(r4, 0x4b37) syz_open_dev$amidi(&(0x7f0000000180)='/dev/amidi#\x00', 0xdbc, 0x80) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:31:01 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x48000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:01 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x7) 19:31:01 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x8000, 0x0) ioctl$KVM_SET_XSAVE(r3, 0x5000aea5, &(0x7f00000002c0)={"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"}) 19:31:01 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = syz_open_dev$dspn(&(0x7f0000000000)='/dev/dsp#\x00', 0x2a00000000000000, 0x402) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r2, 0x84, 0x12, &(0x7f0000000040)=0x8, 0x4) listen(r0, 0x100) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 3034.954468] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:01 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3000]}, 0x18) 19:31:02 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:31:02 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c00], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:02 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ppoll(&(0x7f0000000040)=[{r0, 0x1}, {r2, 0x4400}, {r1, 0x10}], 0x3, &(0x7f0000000080)={0x77359400}, &(0x7f00000000c0)={0xb8e}, 0x8) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") memfd_create(&(0x7f0000000000)='\x00', 0x1) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:02 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x75]}, 0x18) 19:31:02 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x80ffff00000000) 19:31:02 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0xce23, 0x0, @loopback={0x0, 0x1}, 0x2}, 0x1b) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:02 executing program 0: r0 = socket$inet6(0xa, 0x0, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:31:02 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) prctl$intptr(0x4, 0x100) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x2, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) getsockname$packet(r3, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000000240)=0x14) setsockopt$inet_mreqn(r3, 0x0, 0x6d3b6db9e99b606a, &(0x7f0000000280)={@multicast1=0xe0000001, @multicast2=0xe0000002, r4}, 0xc) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT(r3, 0x404c534a, &(0x7f0000000140)={0x200, 0x3, 0x80}) [ 3035.936348] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:02 executing program 1: r0 = memfd_create(&(0x7f0000000040)='bcsh0\x00', 0x2) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(0xffffffffffffffff, 0x84, 0x6c, &(0x7f0000000080)={0x0, 0xbe, "6f66e9eff9597778a0858f8e1dd2a034500b25af456599b95afdce388698bfd701a3649d51654e34c10cec34258b131325d70db0aa5484402dd2b2c99201ec8da1255f178919076247c8d5a92672bcaeeb391e7be3e9c3cfcb8697625f6609f952f88ff380d82dc74b8b26774c947cbcea25d84065169f40415fd0e0167351a55bad83b5dc1764419f49ed1bdc5a9700962c843136a0717eeaeb174207b56e8aef4b165fa0330fc8e818d826420db76bd940ed3b2b129fb93c7a89cd2f7c"}, &(0x7f00000001c0)=0xc6) setsockopt$inet_sctp6_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000200)={r1, 0x1000, 0x80000000, 0x80}, 0x10) r2 = socket$inet6(0xa, 0x201000000000002, 0x0) r3 = socket$inet6(0xa, 0x803, 0x4) bind$inet6(r3, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000240)) ioctl$sock_inet_SIOCSIFADDR(r2, 0x8916, &(0x7f0000000000)={'bcsh0\x00', {0x2, 0x4e22, @rand_addr=0x5}}) listen(r3, 0xffefffffffffff7f) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r4, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r2, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r4, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:02 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff8000]}, 0x18) 19:31:02 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f00], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:02 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0xfdfdffff) 19:31:02 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r2 = getpgid(0x0) sched_getattr(r2, &(0x7f0000000000), 0x30, 0x0) listen(r1, 0xffefffffffffff7f) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet6_opts(r3, 0x29, 0x39, &(0x7f0000000040)=@dstopts={0x6c, 0x18, [], [@calipso={0x7, 0x40, {0xffffffffffffff81, 0xe, 0x0, 0x3, [0x0, 0x100000000, 0x3, 0x100000000, 0x18, 0x1ff, 0x7ff]}}, @enc_lim={0x4, 0x1, 0x9}, @calipso={0x7, 0x48, {0x7, 0x10, 0x0, 0x2, [0x7fff, 0x280000000000000, 0x7, 0x1, 0x6, 0x6, 0x1, 0x1]}}, @jumbo={0xc2, 0x4, 0xaae}, @padn={0x1, 0x3, [0x0, 0x0, 0x0]}, @padn={0x1, 0x1, [0x0]}, @generic={0xfff, 0x1f, "a287d508b59c9bc1fa25aa22ebeec6e2f4295dab8e6de1f89703d166fec159"}, @enc_lim={0x4, 0x1, 0x5}, @enc_lim={0x4, 0x1, 0x9}]}, 0xd0) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:02 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa7ffffff00000000]}, 0x18) 19:31:02 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r2 = syz_open_dev$sndpcmc(&(0x7f00000001c0)='/dev/snd/pcmC#D#c\x00', 0x2, 0x0) sendmsg$nl_xfrm(r2, &(0x7f0000000280)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x428800cc}, 0xc, &(0x7f0000000240)={&(0x7f0000000440)=@getsadinfo={0x10c, 0x23, 0x0, 0x70bd2a, 0x25dfdbff, 0x0, [@algo_aead={0xd0, 0x12, {{'authencesn(sha1-generic,cfb(cast6))\x00'}, 0x418, 0x3c0, "95548c8cdfaed2b5e00e89dc25ad346cf5722b196e02686c114b39ae5c3105ead3d86a39fa9ed629ddcfa551332810912b9de9fedbfb2b4efc1cdd94564de1a9ff9a349d5e4f83f3ed4713e09638e4e699577ac520d133e7e5753495710c43bf0fc453706dc66520a862997125535a0c2b706fdc356ff9989b4273c2828c72b8cd9d46"}}, @encap={0x1c, 0x4, {0x0, 0x4e21, 0x4e23, @in6}}, @policy_type={0xc, 0x10}]}, 0x10c}, 0x1, 0x0, 0x0, 0x8000}, 0x40084) listen(r1, 0x6) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000140)={'gre0\x00', 0x0}) ioctl(r2, 0xa43, &(0x7f00000006c0)="95731a292bd0be0b40dca77ad0d3ee392890a09961dacd1e4d49cccceebc16d8278729ec0b8653d5721d54bb1a7b5b6f09539442d53f774d59d35f87") setsockopt$inet6_mreq(r1, 0x29, 0x1c, &(0x7f0000000180)={@remote={0xfe, 0x80, [], 0xbb}, r3}, 0x14) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r5 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f0000000340)={0x0, 0x1c, &(0x7f0000000300)=[@in6={0xa, 0x4e21, 0x5, @empty, 0x6}]}, &(0x7f0000000580)=0x10) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000600)={0x7, 0xfc71, 0x8002, 0x7, 0x1, 0xfff, 0x1ff, 0x9, r6}, &(0x7f0000000640)=0x20) sendto$inet6(r4, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r5, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000680)={'team0\x00', r3}) [ 3036.106733] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:02 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f00000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 3036.230151] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:03 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:31:03 executing program 2: r0 = socket$inet6(0xa, 0x800000000003, 0xffffffff) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:31:03 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x2, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) socket$inet6(0xa, 0x80000, 0x7553) 19:31:03 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80ffff]}, 0x18) 19:31:03 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x5000000) 19:31:03 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000080)) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc800000000000000017f6d384da1441826fc6c67822efc8e08c9f3f696bee16206adcf43306f07dbc349fd731543eae790c27ea41e8426fa1d092410fe2e2564") setsockopt$inet6_MCAST_LEAVE_GROUP(r0, 0x29, 0x2d, &(0x7f00000000c0)={0x4, {{0xa, 0x4e24, 0xffffffffffffff53, @loopback={0x0, 0x1}, 0x100}}}, 0x88) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) getrlimit(0x7, &(0x7f00000001c0)) 19:31:03 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7400000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:03 executing program 0: r0 = socket$inet6(0xa, 0x0, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 3037.146372] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:04 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7a00000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:04 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c000000]}, 0x18) 19:31:04 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f00]}, 0x18) 19:31:04 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x80007) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f0000000200)=ANY=[@ANYBLOB="ffffffff45f6d6e972b7b62f142d7a5a5f4945e376afcd484369ea5e95f596914ea1f257", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000140)=0x20) setsockopt$inet_sctp6_SCTP_RESET_ASSOC(r1, 0x84, 0x78, &(0x7f00000001c0)=r2, 0x4) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000100)='/proc/sys/net/ipv4/vs/sync_persist_mode\x00', 0x2, 0x0) ioctl$KVM_KVMCLOCK_CTRL(r3, 0xaead) accept(r0, &(0x7f0000000000)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @local}}}, &(0x7f0000000080)=0x80) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet6_MCAST_MSFILTER(r4, 0x29, 0x30, &(0x7f00000002c0)=ANY=[@ANYBLOB="21080000000000000a004e210000000000000000000000000000ffff00000000e40100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000050000000a004e2105000000fe8000000000000000000000000000bb07000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a004e2401000000ff0100000000000000000000000000011f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ff7f00000000000000000000000000000000000000000000000000000000000000000000000a004e2225090000ff01000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a004e2108000000ff020000000000000000000000000001ff030000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a004e2003000000fe7c00000000000000000000000000bb2000000000000023000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"], 0x310) sendto$inet6(r4, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r4, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:04 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0xc000000) [ 3037.281292] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:04 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:04 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) setsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r1, 0x84, 0x7, &(0x7f0000000000)={0x2}, 0x4) 19:31:04 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5400000000000000]}, 0x18) [ 3037.421975] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:04 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:31:04 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4800], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:04 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa4ffffff00000000]}, 0x18) 19:31:04 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x2900) 19:31:04 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) socket$inet6_sctp(0xa, 0x5, 0x84) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:04 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000000080)='\x00', 0xffffffffffffff83, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0xfffffffffffffef6) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) getsockopt$inet_sctp6_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000000), &(0x7f0000000040)=0x4) 19:31:04 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:31:04 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x5da4) socket$inet6(0xa, 0x80001, 0xfffffffffffffffe) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r3, 0x84, 0x65, &(0x7f0000000140)=[@in={0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}, @in6={0xa, 0x4e20, 0x8000, @empty, 0xaea}], 0x2c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 3038.065751] sctp: [Deprecated]: syz-executor1 (pid 13798) Use of int in max_burst socket option. [ 3038.065751] Use struct sctp_assoc_value instead [ 3038.082401] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:04 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x68], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:04 executing program 2: r0 = socket$inet6(0xa, 0xfffffffffffffffc, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) pipe(&(0x7f0000000140)={0xffffffffffffffff}) getdents(r4, &(0x7f0000000600)=""/4096, 0x1000) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0xffffffffffffff87) ioctl$PERF_EVENT_IOC_REFRESH(r4, 0x2402, 0x1f) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 3038.129271] sctp: [Deprecated]: syz-executor1 (pid 13807) Use of int in max_burst socket option. [ 3038.129271] Use struct sctp_assoc_value instead 19:31:05 executing program 3: r0 = syz_open_dev$usbmon(&(0x7f0000000100)='/dev/usbmon#\x00', 0x9, 0x1) accept$packet(r0, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f00000002c0)=0x14) socket$packet(0x11, 0x0, 0x300) ioctl$sock_inet6_SIOCDIFADDR(r0, 0x8936, &(0x7f0000000200)={@local={0xfe, 0x80, [], 0xaa}, 0x52, r1}) r2 = socket$inet6(0xa, 0x201000000000002, 0x0) r3 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r3, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r3, 0xffefffffffffff7f) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x13, &(0x7f0000000000)={0x0, 0x4}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp_SCTP_CONTEXT(r4, 0x84, 0x11, &(0x7f0000000080)={r5, 0x7}, &(0x7f00000000c0)=0x8) sendto$inet6(r4, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r2, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r4, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:05 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffa4]}, 0x18) 19:31:05 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(0xffffffffffffff9c, 0x84, 0x75, &(0x7f0000000000)={0x0, 0x100000001}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x73, &(0x7f0000000080)={r1, 0xff, 0x0, 0x80000000, 0x1}, &(0x7f00000000c0)=0x18) r2 = getpgid(0xffffffffffffffff) syz_open_dev$midi(&(0x7f0000000100)='/dev/midi#\x00', 0x400, 0x2) fcntl$setown(r0, 0x8, r2) socket$inet6(0xa, 0x7, 0x80) r3 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r3, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r3, 0xffefffffffffff7f) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r4, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r4, 0x84, 0x7c, &(0x7f0000000140)={0x0, 0x5, 0x5707}, 0x8) [ 3038.190755] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:05 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0xc) 19:31:05 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6c00000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:05 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x65]}, 0x18) [ 3038.336883] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:06 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:31:06 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:06 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0xfffffffffffffeda) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:06 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x79000000]}, 0x18) 19:31:06 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x4) 19:31:06 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f0000000000)='IPVS\x00') r1 = socket$inet6(0xa, 0xf, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r2 = accept(r0, 0x0, &(0x7f0000000240)) getsockopt$inet_sctp_SCTP_EVENTS(r2, 0x84, 0xb, &(0x7f00000002c0), &(0x7f0000000300)=0xb) listen(r1, 0xffefffffffffff7f) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) r4 = openat$snapshot(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/snapshot\x00', 0x80000, 0x0) ioctl$TIOCGETD(r4, 0x5424, &(0x7f0000000200)) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xfffffffffffffffe, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) setsockopt(r3, 0x8, 0xcff, &(0x7f0000000040)="0afd984139c604d52102671a20ea965d5ccff4f4b7e70cdf02aeacf32c32b8c7a7357e4cc5fe8e4b1b813ae68433fb1910b0855b41e15acbbf8a1a695f231b412bdef026c97d5f85da4ae53c13e796a4b9b586aaa75b85a85465c3b277053ede27ded77654bd790a35b25f02631fdbb09aa75f6cbfae0a7546eebffbc7fa8ff1673a19476944f03244849b8c5f44a75670cc211d0534daa951d909cd0d7544585ce1", 0xa2) r5 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000100)='/dev/rfkill\x00', 0x0, 0x0) ioctl$TUNGETSNDBUF(r5, 0x800454d3, &(0x7f0000000140)) 19:31:06 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:31:06 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x9) getsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000140), &(0x7f0000000180)=0x4) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f0000000300)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000280)=0x80, 0x800) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 3039.298960] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:06 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1810]}, 0x18) 19:31:06 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0xffffffffffffffa0) 19:31:06 executing program 3: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) membarrier(0x48, 0x0) r1 = syz_open_dev$sndpcmp(&(0x7f0000000140)='/dev/snd/pcmC#D#p\x00', 0x0, 0x101240) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f00000001c0)={0x0, 0xfff, 0x2, [0x9, 0x5]}, &(0x7f0000000200)=0xc) ioctl$KVM_SET_CPUID(r1, 0x4008ae8a, &(0x7f0000000040)={0x6}) getsockopt$inet_sctp6_SCTP_CONTEXT(r1, 0x84, 0x11, &(0x7f0000000240)={r2, 0x4}, &(0x7f00000002c0)=0x8) ioctl$sock_inet_SIOCGIFDSTADDR(r0, 0x8917, &(0x7f0000000000)={'bond0\x00', {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}}) r3 = socket$inet6(0xa, 0x201000000000002, 0x0) r4 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r4, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r4, 0xffefffffffffff7f) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r5, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet_sctp6_SCTP_AUTOCLOSE(r4, 0x84, 0x4, &(0x7f0000000100)=0x7ff, 0x4) ioctl(r3, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r5, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) accept4(r5, &(0x7f0000000380)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000440)=0xff7c, 0x80000000080800) 19:31:06 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7a000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:06 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000140)='/dev/urandom\x00', 0x80, 0x0) getsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffff9c, 0x84, 0x0, &(0x7f0000000180)={0x0, 0x5, 0x0, 0x7a7c}, &(0x7f00000001c0)=0x10) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x18, &(0x7f0000000200)={r3, 0x4}, &(0x7f0000000240)=0x8) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) fadvise64(r4, 0x0, 0x9, 0x3) sendto$inet6(r4, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(0xffffffffffffffff, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:31:06 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0xfffffdfd) [ 3039.483300] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:06 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff97]}, 0x18) 19:31:06 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000300)={0x0, 0x7fffffff, 0x3}, &(0x7f0000000340)=0x8) socketpair$inet6(0xa, 0x5, 0x800, &(0x7f00000003c0)) setsockopt$inet_sctp6_SCTP_AUTH_DELETE_KEY(r1, 0x84, 0x19, &(0x7f0000000380)={r2, 0x2}, 0x8) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffff9c, 0xc00c642e, &(0x7f0000000040)={0x0, 0x80000, 0xffffffffffffff9c}) preadv(r3, &(0x7f00000002c0)=[{&(0x7f0000000080)=""/60, 0x3c}, {&(0x7f00000000c0)=""/188, 0xbc}, {&(0x7f00000001c0)=""/148, 0x94}], 0x3, 0x2) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r4, &(0x7f0000000400)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x1, @loopback={0x0, 0x1}}, 0xfffffffffffffe71) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000000)=0x0) prlimit64(r5, 0xb, 0x0, 0x0) r6 = dup(r4) ioctl$SG_SET_DEBUG(r6, 0x227e, &(0x7f0000000440)) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r4, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) sync() 19:31:06 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x1c, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:31:06 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:06 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1400000000000000]}, 0x18) 19:31:06 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:31:06 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r0, &(0x7f0000000080)='X', 0xfffffffffffffe96, 0x0, &(0x7f0000000040)={0xa, 0x4e24, 0x0, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}}, 0xd) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:06 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x0, 0x400000000000008) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x1ff) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) sendmsg(r1, &(0x7f00000001c0)={&(0x7f00000000c0)=@pptp={0x18, 0x2, {0x3}}, 0x80, &(0x7f0000000180)=[{&(0x7f0000000140)="2163b103a7e37b15df988ccf95c74b2ee8c634ed1984226e6ff5aa19fa0a7409dc01d9291bc4114dea3f5d83643e717a407c301adc", 0x35}], 0x1, 0x0, 0x0, 0x4}, 0x800) ioctl(r0, 0x4, &(0x7f0000000000)="000000000000000000009eaae7ad6c6c8500340cc8bcec337af68f85199ac7890a7c5029c8a17ef4e1132e022d9cedcc1cb894fb9796f045b26228f799c71c62fe36209376f7df2eb98ad5ff80642c1e2552c6134d1f05df2e94a1d138291fea58b7b6d398483109ff295e4d5bbea79e56ba2c88528fcfdaeead02b8d531f3b111") 19:31:06 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x1100000000000000) 19:31:06 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:31:07 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r2 = socket$inet6(0xa, 0x805, 0x0) connect$inet6(r2, &(0x7f00006f7000)={0xa, 0x4e23, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr=0xfffffffffffffffb}}, 0x1c) r3 = socket$netlink(0x10, 0x3, 0x4) listen$netrom(r2, 0x3f) writev(r3, &(0x7f000051c000)=[{&(0x7f0000000340)="480000001400190d09004beafd0d8c560a84580080ffe00600000000000000a2bc5603ca00000f7f21efa2963c31dc89000000200000000101fd0000000309ff5bffff00c7e5ed5e", 0x48}], 0x1) r4 = accept(r1, 0x0, &(0x7f0000000140)) getsockopt$inet_mreqn(r4, 0x0, 0x0, &(0x7f00000001c0)={@dev, @dev}, &(0x7f0000000200)=0xc) listen(r1, 0xffefffffffffff7f) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) r6 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x400000) getsockopt$EBT_SO_GET_INIT_INFO(r6, 0x0, 0x82, &(0x7f0000000040)={'broute\x00'}, &(0x7f00000000c0)=0x78) sendto$inet6(r5, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") ioctl$KVM_IRQ_LINE_STATUS(r6, 0xc008ae67, &(0x7f0000000100)={0x6, 0x80000000}) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r5, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 3040.154124] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:07 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff00000000]}, 0x18) 19:31:07 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7a], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:07 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x9, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:07 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x1000000) [ 3040.315806] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:07 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5500000000000000]}, 0x18) 19:31:07 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:07 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x69000000]}, 0x18) [ 3040.457538] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:07 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x20000010, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:31:07 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x2, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:07 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:07 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xb5ffffff]}, 0x18) 19:31:07 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x700) 19:31:07 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") pipe(&(0x7f0000000000)={0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000000040)={0x0, 0x7}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r3, 0x84, 0x75, &(0x7f00000000c0)={r4, 0xb6}, &(0x7f0000000100)=0x8) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:07 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x0, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:31:07 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000240)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8090000000000088) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0xfffffffffffffffe, @loopback={0x0, 0x1}}, 0x1c) socket(0x4, 0x6, 0xffffffffffff0001) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000140)='/dev/null\x00', 0x40400, 0x0) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000180)='/dev/snapshot\x00', 0x84400, 0x0) ioctl$KDSKBLED(r3, 0x4b65, 0x1) setsockopt$ALG_SET_AEAD_AUTHSIZE(r3, 0x117, 0x5, 0x0, 0x80) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r4 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r4, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) syz_open_dev$amidi(&(0x7f00000001c0)='/dev/amidi#\x00', 0x10001, 0xa0000) [ 3041.059994] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:07 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6800000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:07 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000]}, 0x18) 19:31:08 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) getsockopt$inet_sctp6_SCTP_PR_STREAM_STATUS(r1, 0x84, 0x74, &(0x7f00000002c0)=""/4096, &(0x7f0000000000)=0x1000) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:08 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x1100) [ 3041.206689] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:08 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:08 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x45]}, 0x18) 19:31:08 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x8, @remote={0xfe, 0x80, [], 0xbb}, 0x80000000}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vsock\x00', 0x400, 0x0) getsockopt$inet6_opts(r2, 0x29, 0x39, &(0x7f00000001c0)=""/108, &(0x7f0000000240)=0x6c) setsockopt$bt_BT_SECURITY(r3, 0x112, 0x4, &(0x7f0000000140)={0xffffffffffffff00, 0xfffffffffffffffd}, 0x2) getsockopt$inet6_dccp_buf(r3, 0x21, 0xc, &(0x7f00000002c0)=""/222, &(0x7f00000003c0)=0xde) setsockopt$IP_VS_SO_SET_DELDEST(r3, 0x0, 0x488, &(0x7f0000000040)={{0x2c, @multicast1=0xe0000001, 0x4e22, 0x2, 'wlc\x00', 0x10, 0x10000, 0x3e}, {@broadcast=0xffffffff, 0x4e23, 0x0, 0x6, 0x7, 0x3}}, 0x44) getsockopt$inet6_IPV6_IPSEC_POLICY(r2, 0x29, 0x22, &(0x7f0000000400)={{{@in, @in=@rand_addr, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in=@rand_addr}}, &(0x7f0000000500)=0xe8) sendmsg$can_bcm(r3, &(0x7f0000000640)={&(0x7f0000000540)={0x1d, r4}, 0x10, &(0x7f0000000600)={&(0x7f0000000580)={0x6, 0x10, 0x7, {}, {0x0, 0x2710}, {0x0, 0x3c4d750a, 0x8000, 0x6}, 0x1, @canfd={{0x0, 0x80000000, 0x3, 0x3}, 0x1f, 0x1, 0x0, 0x0, "832e5c4be4ef80613cf31318bc7c94561eff0d0568537d77aba94cbc5d92e46319f3527da899b46d58609606676dabad7c0be8ec750cd6da0cf7749f313980db"}}, 0x80}, 0x1, 0x0, 0x0, 0x8000}, 0x40004) ioctl$KVM_SET_CLOCK(r3, 0x4030ae7b, &(0x7f00000000c0)={0x4, 0xfffffffffffffffe}) ioctl$VHOST_SET_VRING_KICK(r3, 0x4008af20, &(0x7f0000000100)={0x3, r3}) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) shutdown(r3, 0x1) 19:31:08 executing program 2: r0 = socket$inet6(0xa, 0x5, 0x401) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(0xffffffffffffffff, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000000240)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) sendmsg$key(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000140)={0x2, 0x12, 0xfffffffffffffffd, 0x8, 0x3, 0x0, 0x70bd28, 0x25dfdbfd, [@sadb_x_nat_t_port={0x1, 0x17, 0x4e24}]}, 0x18}, 0x1}, 0x8000) recvfrom$packet(r3, &(0x7f0000000440)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0xe) [ 3041.384869] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. [ 3041.448659] Unknown ioctl 1076932219 [ 3041.479442] Unknown ioctl 1074310944 [ 3041.509325] Unknown ioctl 1074310944 [ 3041.513396] Unknown ioctl 1076932219 19:31:08 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:31:08 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = geteuid() getresgid(&(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080)=0x0) fchown(r1, r3, r4) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:08 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x74], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:08 executing program 2: socket$inet6(0xa, 0x1000000000002, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000140)='/dev/dmmidi#\x00', 0x9, 0x200000) ioctl$KVM_SET_GSI_ROUTING(r0, 0x4008ae6a, &(0x7f0000000180)={0x5, 0x0, [{0xc2b, 0x4, 0x0, 0x0, @irqchip={0x5, 0x3ff}}, {0x8, 0x1, 0x0, 0x0, @sint={0x825, 0x80000001}}, {0x2, 0x3, 0x0, 0x0, @adapter={0x9, 0x53, 0xe98c, 0x6000000000000000, 0x43dc}}, {0x4, 0x2, 0x0, 0x0, @irqchip={0x9, 0x8}}, {0x1f, 0x0, 0x0, 0x0, @sint={0x8000, 0xd8d0}}]}) ioctl(r0, 0x8912, &(0x7f00000004c0)="025ce63d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) r2 = getpgrp(0x0) fstat(r0, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$DRM_IOCTL_GET_CLIENT(r0, 0xc0286405, &(0x7f0000000280)={0x8, 0x9, r2, 0xa9, r3, 0x101, 0xd5, 0x2ed35441}) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r5 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000440)='/dev/vga_arbiter\x00', 0x400, 0x0) ioctl$SNDRV_CTL_IOCTL_PVERSION(r5, 0x80045500, &(0x7f0000000480)) r6 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r4, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r6, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:31:08 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x200000000000000) 19:31:08 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = creat(&(0x7f0000000000)='./file0\x00', 0x84) socket$unix(0x1, 0x1, 0x0) ioctl$VHOST_GET_VRING_BASE(r3, 0xc008af12, &(0x7f0000000040)) ioctl$KVM_GET_DEBUGREGS(r3, 0x8080aea1, &(0x7f0000000080)) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:08 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x30]}, 0x18) 19:31:08 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x0, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 3041.937966] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:08 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffd0]}, 0x18) 19:31:08 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4800000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:08 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x100000000000000) [ 3042.075995] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:08 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7000000000000000]}, 0x18) 19:31:08 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e1d, 0x0, @loopback={0x0, 0x1}, 0x8}, 0xfffffffffffffd96) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa, 0x4e21, 0x1f, @ipv4={[], [0xff, 0xff], @broadcast=0xffffffff}, 0x5}}, 0x2, 0x3ff, 0x100000001, 0xfffffffffffffffb, 0x2}, &(0x7f00000004c0)=0x98) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000500)=@assoc_value={0x0, 0xde}, &(0x7f0000000540)=0x8) getsockopt$inet_sctp6_SCTP_STATUS(r0, 0x84, 0xe, &(0x7f0000000580)={r2, 0xfffffffffffffffa, 0x9, 0x8, 0x1, 0x7, 0x800, 0x100000000, {r3, @in={{0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}}, 0xc000000000000000, 0xfff, 0x5, 0x7, 0x3ff}}, &(0x7f0000000640)=0xb0) listen(r1, 0xffefffffffffff7f) r4 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0xfffffffffffffffd, 0x400800) r5 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') sendmsg$IPVS_CMD_ZERO(r4, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)={0x1dc, r5, 0x201, 0x70bd29, 0x25dfdbff, {0x10}, [@IPVS_CMD_ATTR_SERVICE={0x54, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x3}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x4b}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x3}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x12, 0x29}}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@dev={0xfe, 0x80, [], 0x1a}}, @IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e22}]}, @IPVS_CMD_ATTR_SERVICE={0x54, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0x73}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0x73}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0x89}, @IPVS_SVC_ATTR_AF={0x8, 0x1, 0x2}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x4b}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x20, 0x2}}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0xd}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x1}]}, @IPVS_CMD_ATTR_SERVICE={0x4c, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0x89}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0x3b}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0x6}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0xff}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x4, 0x2}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@multicast1=0xe0000001}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x1}, @IPVS_CMD_ATTR_DEST={0x44, 0x2, [@IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0x2}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x1}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x3}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0xffffffffffffffe1}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x4}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x3}, @IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e23}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x1}]}, @IPVS_CMD_ATTR_DEST={0x54, 0x2, [@IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x1}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x9}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x800000000000000}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x4}, @IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e21}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x10001}, @IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e21}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x5}, @IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e24}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x3}]}, @IPVS_CMD_ATTR_DEST={0x34, 0x2, [@IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x2}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x3}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x1}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x8}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x3}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x7}]}]}, 0x1dc}, 0x1, 0x0, 0x0, 0xc8d0}, 0x0) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r6, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r6, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5, 0x3ff}, 0x8) 19:31:08 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) mmap(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x0, 0x13, r1, 0x0) 19:31:09 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8dffffff], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:09 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x700000000000000) [ 3042.265560] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:09 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:31:09 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl$sock_SIOCGPGRP(r1, 0x8904, &(0x7f0000000000)) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:09 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000]}, 0x18) 19:31:09 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") clock_gettime(0x0, &(0x7f0000006fc0)={0x0, 0x0}) recvmmsg(r1, &(0x7f0000006dc0)=[{{&(0x7f0000000000)=@pppol2tp, 0x80, &(0x7f0000003580)=[{&(0x7f0000000080)=""/220, 0xdc}, {&(0x7f00000002c0)=""/4096, 0x1000}, {&(0x7f00000001c0)=""/141, 0x8d}, {&(0x7f00000012c0)=""/227, 0xe3}, {&(0x7f00000013c0)=""/80, 0x50}, {&(0x7f0000001440)=""/4096, 0x1000}, {&(0x7f0000002440)=""/31, 0x1f}, {&(0x7f0000002480)=""/27, 0x1b}, {&(0x7f00000024c0)=""/187, 0xbb}, {&(0x7f0000002580)=""/4096, 0x1000}], 0xa, 0x0, 0x0, 0x5}, 0x71f}, {{0x0, 0x0, &(0x7f0000003900)=[{&(0x7f0000003640)=""/146, 0x92}, {&(0x7f0000003700)=""/11, 0xb}, {&(0x7f0000003740)=""/148, 0x94}, {&(0x7f0000003800)=""/254, 0xfe}], 0x4, &(0x7f0000003940)=""/250, 0xfa, 0x725}, 0x5}, {{&(0x7f0000003a40)=@pptp={0x0, 0x0, {0x0, @multicast1}}, 0x80, &(0x7f0000003c00)=[{&(0x7f0000003ac0)=""/90, 0x5a}, {&(0x7f0000003b40)=""/180, 0xb4}], 0x2, &(0x7f0000003c40), 0x0, 0xf75}, 0x18000000}, {{&(0x7f0000003c80)=@ipx, 0x80, &(0x7f0000003dc0)=[{&(0x7f0000003d00)}, {&(0x7f0000003d40)=""/97, 0x61}], 0x2, &(0x7f0000003e00)=""/40, 0x28, 0x80000000}, 0xff}, {{&(0x7f0000003e40)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @broadcast}}}, 0x80, &(0x7f0000004000)=[{&(0x7f0000003ec0)=""/2, 0x2}, {&(0x7f0000003f00)=""/234, 0xea}], 0x2, &(0x7f0000004040)=""/40, 0x28, 0x80}, 0x8}, {{&(0x7f0000004080)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, 0x80, &(0x7f00000055c0)=[{&(0x7f0000004100)=""/137, 0x89}, {&(0x7f00000041c0)=""/248, 0xf8}, {&(0x7f00000042c0)=""/4096, 0x1000}, {&(0x7f00000052c0)=""/136, 0x88}, {&(0x7f0000005380)=""/45, 0x2d}, {&(0x7f00000053c0)=""/118, 0x76}, {&(0x7f0000005440)=""/87, 0x57}, {&(0x7f00000054c0)=""/4, 0x4}, {&(0x7f0000005500)=""/160, 0xa0}], 0x9, &(0x7f0000005680)=""/4096, 0x1000, 0x1}, 0x100}, {{&(0x7f0000006680)=@ax25, 0x80, &(0x7f0000006ac0)=[{&(0x7f0000006700)=""/1, 0x1}, {&(0x7f0000006740)=""/220, 0xdc}, {&(0x7f0000006840)=""/168, 0xa8}, {&(0x7f0000006900)=""/249, 0xf9}, {&(0x7f0000006a00)=""/137, 0x89}], 0x5, &(0x7f0000006b40)=""/33, 0x21, 0x3}, 0xfffffffffffffff7}, {{&(0x7f0000006b80)=@rc, 0x80, &(0x7f0000006d00)=[{&(0x7f0000006c00)=""/215, 0xd7}], 0x1, &(0x7f0000006d40)=""/107, 0x6b, 0x100}}], 0x8, 0x2, &(0x7f0000007000)={r3, r4+10000000}) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r2, 0x84, 0x1, &(0x7f0000007040)={0x0, 0x8, 0x6, 0xfffffffffffffff8, 0x0, 0x8}, &(0x7f0000007080)=0x14) getsockopt$inet_sctp_SCTP_MAXSEG(r5, 0x84, 0xd, &(0x7f00000070c0)=@assoc_value={r6, 0xffff}, &(0x7f0000007100)=0x8) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:09 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6800], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:09 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x500) 19:31:09 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x0, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:31:09 executing program 2: r0 = socket$inet6(0xa, 0x1000800000002, 0x0) ioctl(r0, 0x10800008912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) getpeername$inet6(r1, &(0x7f0000000140)={0x0, 0x0, 0x0, @ipv4={[], [], @remote}}, &(0x7f0000000180)=0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet6_buf(r2, 0x29, 0x2d, &(0x7f00000001c0)="5e1324d85af6027aec234b608f5aa0f906e291f80534b61d2288931fe964", 0x1e) setsockopt$IP6T_SO_SET_ADD_COUNTERS(r1, 0x29, 0x41, &(0x7f0000000200)={'security\x00', 0x2, [{}, {}]}, 0x48) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 3042.982974] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:09 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:09 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3000000]}, 0x18) 19:31:09 executing program 1: r0 = socket$inet6(0xa, 0x80002, 0x21) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x2000000002, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:09 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0xf) [ 3043.139434] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:10 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x2000, 0x2) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000040)={0x0, 0x1, 0x8}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r3, 0x84, 0x73, &(0x7f00000000c0)={r4, 0x8, 0x30, 0xfff, 0x5}, &(0x7f0000000100)=0x18) openat$vcs(0xffffffffffffff9c, &(0x7f0000000200)='/dev/vcs\x00', 0x4000, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) socket$inet6_dccp(0xa, 0x6, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) getsockopt$bt_rfcomm_RFCOMM_LM(r3, 0x12, 0x3, &(0x7f0000000140), &(0x7f00000001c0)=0x4) 19:31:10 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6200]}, 0x18) 19:31:10 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1100000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:10 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x61]}, 0x18) [ 3043.326202] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:10 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:31:10 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = syz_open_dev$adsp(&(0x7f0000000100)='/dev/adsp#\x00', 0x76c7aab5, 0x400) accept$inet(r1, &(0x7f0000000140), &(0x7f0000000180)=0x10) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r2, 0xffefffffffffff7f) r3 = accept(r0, &(0x7f0000000040)=@generic, &(0x7f00000000c0)=0x80) ioctl$TIOCGPTPEER(r1, 0x5441, 0x20) setsockopt$inet_MCAST_JOIN_GROUP(r3, 0x0, 0x2a, &(0x7f00000001c0)={0x2, {{0x2, 0x4e23, @rand_addr=0x4}}}, 0x88) r4 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_tcp_TLS_RX(r4, 0x6, 0x2, &(0x7f0000000000)={0x303, 0x33}, 0x4) sendto$inet6(r4, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") 19:31:10 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0xe803000000000000) 19:31:10 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000)='/dev/zero\x00', 0x80000, 0x0) inotify_add_watch(r3, &(0x7f0000000040)='./file0\x00', 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:10 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1b0e2e]}, 0x18) 19:31:10 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x500000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:10 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:31:10 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x80, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, 0x0}, &(0x7f00000001c0)=0x14) bind$can_raw(r3, &(0x7f0000000200)={0x1d, r4}, 0x10) r5 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r5, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) getsockopt$inet_sctp_SCTP_MAXSEG(r2, 0x84, 0xd, &(0x7f0000000240)=@assoc_value={0x0, 0x8}, &(0x7f0000000280)=0x8) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000000300)={r6, 0xffffffffffff1eac, 0x30}, &(0x7f0000000340)=0xc) [ 3044.036692] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:10 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2e0e1b0000000000]}, 0x18) 19:31:10 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6c000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:10 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x2900000000000000) 19:31:11 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0xffffffffffffffff, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r3 = msgget(0x3, 0x400) msgctl$MSG_INFO(r3, 0xc, &(0x7f0000000000)=""/142) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 3044.147942] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:11 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x11], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:11 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xb00000000000000]}, 0x18) 19:31:11 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) accept4$alg(r2, 0x0, 0x0, 0x800) r3 = creat(&(0x7f0000000000)='./file0\x00', 0x180) r4 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080)='IPVS\x00') sendmsg$IPVS_CMD_SET_INFO(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20080400}, 0xc, &(0x7f00000000c0)={&(0x7f00000002c0)={0xd0, r4, 0x4, 0x70bd29, 0x25dfdbfc, {0xe}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xf0}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, [@IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x51}]}, @IPVS_CMD_ATTR_SERVICE={0x18, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x4, 0x25}}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xc0}, @IPVS_CMD_ATTR_DAEMON={0x50, 0x3, [@IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @loopback={0x0, 0x1}}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x4}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0x8}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e24}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e23}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @loopback=0x7f000001}]}, @IPVS_CMD_ATTR_SERVICE={0x38, 0x1, [@IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e23}, @IPVS_SVC_ATTR_SCHED_NAME={0xc, 0x6, 'lblcr\x00'}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x2}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}]}]}, 0xd0}, 0x1, 0x0, 0x0, 0x840}, 0x880) [ 3044.287205] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:11 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) [ 3044.420367] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:11 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:31:11 executing program 3: r0 = socket$inet6(0xa, 0x6, 0x2000000000b) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:11 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x17000000]}, 0x18) 19:31:11 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0xf000000) 19:31:11 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, &(0x7f0000000180)=[@in={0x2, 0x4e22, @multicast2=0xe0000002}, @in={0x2, 0x4e22, @loopback=0x7f000001}, @in={0x2, 0x4e21, @rand_addr=0x4c}, @in={0x2, 0x4e20, @broadcast=0xffffffff}, @in6={0xa, 0x4e21, 0x1, @remote={0xfe, 0x80, [], 0xbb}, 0x40000000000000}, @in6={0xa, 0x4e22, 0x8, @dev={0xfe, 0x80, [], 0xc}, 0x101}, @in6={0xa, 0x4e22, 0x10001, @dev={0xfe, 0x80, [], 0x1a}, 0x4}, @in={0x2, 0x4e24, @rand_addr=0x7}], 0xa4) finit_module(r1, &(0x7f0000000140)='\x00', 0x3) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:31:11 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r2 = dup3(r0, r1, 0x80000) ioctl$SG_GET_COMMAND_Q(r2, 0x2270, &(0x7f0000000080)) listen(r1, 0xffefffffffffff7f) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) setsockopt$IP6T_SO_SET_ADD_COUNTERS(r1, 0x29, 0x41, &(0x7f0000000000)={'mangle\x00', 0x5, [{}, {}, {}, {}, {}]}, 0x78) 19:31:11 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:11 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 3045.068679] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:11 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf5ffffff00000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:11 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa7ffffff]}, 0x18) 19:31:11 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) mknod$loop(&(0x7f0000000000)='./file0\x00', 0x8000, 0x1) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:11 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x11) [ 3045.194660] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:12 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1018]}, 0x18) 19:31:12 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x48], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:12 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000000)=[@in={0x2, 0x4e22, @broadcast=0xffffffff}, @in6={0xa, 0x4e23, 0xfff, @empty, 0x6}, @in={0x2, 0x4e20, @multicast2=0xe0000002}, @in6={0xa, 0x4e24, 0x939e, @remote={0xfe, 0x80, [], 0xbb}, 0x3}, @in={0x2, 0x4e22}], 0x68) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet6_icmp_ICMP_FILTER(r1, 0x1, 0x1, &(0x7f0000000080)={0x81}, 0x4) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 3045.353413] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:12 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x4000000000000000) 19:31:12 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:31:12 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1700000000000000]}, 0x18) 19:31:12 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) ioctl$TIOCGPGRP(0xffffffffffffff9c, 0x540f, &(0x7f0000000000)=0x0) r4 = fcntl$getown(r2, 0x9) r5 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcs\x00', 0x40000, 0x0) kcmp$KCMP_EPOLL_TFD(r3, r4, 0x7, r2, &(0x7f0000000080)={r5, r0, 0x1d25}) 19:31:12 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) accept$inet6(r2, &(0x7f0000000080)={0x0, 0x0, 0x0, @remote}, &(0x7f00000000c0)=0x1c) symlink(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') 19:31:12 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:12 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:31:12 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0xf00000000000000) 19:31:12 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r2, 0x84, 0x7, &(0x7f0000000180)={0x7}, 0x4) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000005c0)=0x3, 0x4) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0xfffffffffffffe82, 0x0, &(0x7f0000000140)={0xa, 0x4e23, 0x800000000000, @loopback={0x0, 0x1}, 0x4000000000000}, 0xffffff82) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 3046.000082] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:12 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc5ffffff00000000]}, 0x18) 19:31:12 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80ffffff00000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:12 executing program 3: r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000080)='/dev/audio\x00', 0x2002, 0x0) setsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r0, 0x84, 0x8, &(0x7f00000000c0)=0x8, 0x4) r1 = socket$inet6(0xa, 0x201000000000002, 0x0) pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$inet_sctp_SCTP_RECVNXTINFO(r2, 0x84, 0x21, &(0x7f00000001c0)=0x200, 0x4) getpid() r3 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r3, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r4 = memfd_create(&(0x7f0000000000)='+\x00', 0x0) ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r4, 0xc0305710, &(0x7f0000000040)={0x1, 0x4, 0x40, 0x621197a5}) ioctl$TCSETSW(r4, 0x5403, &(0x7f0000000100)={0x7, 0x7ff, 0xf587, 0x1, 0x0, 0x4, 0x5, 0x5, 0x2, 0x5, 0x1, 0x70b}) listen(r3, 0xffefffffffffff7f) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) msync(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x7) sendto$inet6(r5, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r1, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r5, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:12 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x1800) [ 3046.137891] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:13 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) setsockopt$inet_sctp6_SCTP_AUTH_CHUNK(r0, 0x84, 0x15, &(0x7f0000000000), 0x1) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:13 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x47000000]}, 0x18) 19:31:13 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:13 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x72000000]}, 0x18) [ 3046.293082] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:13 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:31:13 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:13 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000)='/dev/zero\x00', 0x1, 0x0) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) write$evdev(r2, &(0x7f0000000080)=[{{r3, r4/1000+30000}, 0xfffffffffffffc01, 0xffffffffffffb9cf, 0x2}, {{}, 0x9, 0xfffffffffffffff8, 0x1886}], 0x30) listen(r1, 0xffefffffffffff7f) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r5, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r5, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:13 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff5], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:13 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x8000000000) 19:31:13 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4700]}, 0x18) 19:31:13 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d34") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) 19:31:13 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) [ 3047.108402] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:13 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa]}, 0x18) 19:31:14 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:14 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x29000000) 19:31:14 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f00000001c0)={0xa, 0x4e24, 0xfffffffffffffffd, @loopback={0x0, 0x1}}, 0x1c) ioctl$DRM_IOCTL_GET_MAP(r2, 0xc0286404, &(0x7f0000000000)={0x0, 0x81, 0x2, 0x40, &(0x7f0000ffc000/0x3000)=nil, 0xfff}) r3 = msgget(0x3, 0x20) msgctl$IPC_STAT(r3, 0x2, &(0x7f0000000040)=""/202) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:14 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x14]}, 0x18) [ 3047.260457] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:14 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r3 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000000)='memory.current\x00', 0x0, 0x0) getsockopt$inet_IP_IPSEC_POLICY(r3, 0x0, 0x10, &(0x7f0000000040)={{{@in=@remote, @in=@rand_addr}}, {{@in6=@local}, 0x0, @in=@rand_addr}}, &(0x7f0000000140)=0xe8) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:14 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff00000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:14 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) sendto$inet6(0xffffffffffffffff, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 3047.441770] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:14 executing program 4: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x3, 0x1) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000200)=0xff, 0x4) setsockopt$inet6_int(r1, 0x29, 0x3a, &(0x7f00000001c0)=0x80, 0x4) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) recvmsg(r1, &(0x7f0000000400)={&(0x7f0000000000)=@nfc, 0x10, &(0x7f0000000080), 0x0, &(0x7f0000000100)=""/128, 0x80}, 0x0) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000002ff0), 0x0, &(0x7f0000000180)}, 0x0) 19:31:14 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x44000000]}, 0x18) 19:31:14 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x11000000) 19:31:14 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) r3 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$IPT_SO_GET_REVISION_TARGET(r3, 0x0, 0x43, &(0x7f0000000000)={'IDLETIMER\x00'}, &(0x7f0000000040)=0x1e) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:14 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800000000000000], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:14 executing program 1: socket$inet6(0xa, 0x201000000000002, 0x0) r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0xffefffffffffff7f) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r1, 0x0, &(0x7f0000000000)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:14 executing program 2 (fault-call:8 fault-nth:0): r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000100)=ANY=[], 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:14 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d34") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 3047.989143] TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. 19:31:14 executing program 6: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000180)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "d8652b", 0x14, 0x6, 0x0, @local={0xfe, 0x8a00, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80ffffff], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, {[], @tcp={{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0xa}}}}}}}, &(0x7f00000002c0)) 19:31:14 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x7, 0x7, 0x0, 0x1, 0x30}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x70000000]}, 0x18) [ 3048.089287] FAULT_INJECTION: forcing a failure. [ 3048.089287] name failslab, interval 1, probability 0, space 0, times 0 [ 3048.100616] CPU: 1 PID: 14520 Comm: syz-executor2 Not tainted 4.17.0+ #89 [ 3048.107549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3048.116909] Call Trace: [ 3048.119507] dump_stack+0x1b9/0x294 [ 3048.123124] ? dump_stack_print_info.cold.2+0x52/0x52 [ 3048.128301] ? unlock_page_memcg+0x2c/0x40 [ 3048.132522] ? page_add_file_rmap+0x779/0xe20 [ 3048.137004] ? print_usage_bug+0xc0/0xc0 [ 3048.141061] should_fail.cold.4+0xa/0x1a [ 3048.145120] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 3048.150221] ? print_usage_bug+0xc0/0xc0 [ 3048.154267] ? __lockdep_init_map+0x105/0x590 [ 3048.158747] ? graph_lock+0x170/0x170 [ 3048.162546] ? find_held_lock+0x36/0x1c0 [ 3048.166603] ? __lock_is_held+0xb5/0x140 [ 3048.170664] ? check_same_owner+0x320/0x320 [ 3048.174972] ? rcu_note_context_switch+0x710/0x710 [ 3048.179887] ? lock_downgrade+0x8e0/0x8e0 [ 3048.184027] __should_failslab+0x124/0x180 [ 3048.188273] should_failslab+0x9/0x14 [ 3048.192057] kmem_cache_alloc_trace+0x2cb/0x780 [ 3048.196710] ? mark_held_locks+0xc9/0x160 [ 3048.200846] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 3048.206372] sctp_stream_init_ext+0x50/0xf0 [ 3048.210681] sctp_sched_set_value+0x158/0x1b0 [ 3048.215170] sctp_setsockopt+0x3ef3/0x6b00 [ 3048.219396] ? __lock_acquire+0x7f5/0x5140 [ 3048.223618] ? sctp_setsockopt_paddr_thresholds+0x560/0x560 [ 3048.229315] ? debug_check_no_locks_freed+0x310/0x310 [ 3048.234495] ? find_get_entries_tag+0x10a0/0x10a0 [ 3048.239328] ? debug_check_no_locks_freed+0x310/0x310 [ 3048.244516] ? debug_check_no_locks_freed+0x310/0x310 [ 3048.249696] ? print_usage_bug+0xc0/0xc0 [ 3048.253745] ? graph_lock+0x170/0x170 [ 3048.257532] ? graph_lock+0x170/0x170 [ 3048.261318] ? lock_acquire+0x1dc/0x520 [ 3048.265285] ? __fdget_pos+0x1a9/0x1e0 [ 3048.269172] ? graph_lock+0x170/0x170 [ 3048.272971] ? graph_lock+0x170/0x170 [ 3048.276756] ? __lock_acquire+0x7f5/0x5140 [ 3048.280990] ? find_held_lock+0x36/0x1c0 [ 3048.285040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 3048.290562] ? _parse_integer+0x13b/0x190 [ 3048.294708] ? find_held_lock+0x36/0x1c0 [ 3048.298759] ? lock_downgrade+0x8e0/0x8e0 [ 3048.302899] ? find_held_lock+0x36/0x1c0 [ 3048.306954] ? kasan_check_read+0x11/0x20 [ 3048.311089] ? rcu_is_watching+0x85/0x140 [ 3048.315220] ? rcu_report_qs_rnp+0x790/0x790 [ 3048.319628] ? __fget+0x40c/0x650 [ 3048.323068] ? expand_files.part.8+0x9a0/0x9a0 [ 3048.327635] ? lock_downgrade+0x8e0/0x8e0 [ 3048.331766] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 3048.337295] ? proc_fail_nth_write+0x96/0x1f0 [ 3048.341780] ? proc_cwd_link+0x1d0/0x1d0 [ 3048.345832] ? __fget_light+0x2ef/0x430 [ 3048.349793] ? fget_raw+0x20/0x20 [ 3048.353236] ? wait_for_completion+0x870/0x870 [ 3048.357806] ? __lock_is_held+0xb5/0x140 [ 3048.361865] sock_common_setsockopt+0x9a/0xe0 [ 3048.366349] __sys_setsockopt+0x1bd/0x390 [ 3048.370500] ? kernel_accept+0x310/0x310 [ 3048.374545] ? ksys_write+0x1a6/0x250 [ 3048.378341] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 3048.383169] __x64_sys_setsockopt+0xbe/0x150 [ 3048.387563] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 3048.392563] do_syscall_64+0x1b1/0x800 [ 3048.396434] ? syscall_return_slowpath+0x5c0/0x5c0 [ 3048.401348] ? syscall_return_slowpath+0x30f/0x5c0 [ 3048.406267] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 3048.411617] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 3048.416447] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3048.421630] RIP: 0033:0x4559f9 [ 3048.424802] Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 3048.444042] RSP: 002b:00007f7035cbdc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 3048.451736] RAX: ffffffffffffffda RBX: 00007f7035cbe6d4 RCX: 00000000004559f9 [ 3048.458989] RDX: 000000000000007c RSI: 0000000000000084 RDI: 0000000000000015 [ 3048.467113] RBP: 000000000072bea0 R08: 0000000000000008 R09: 0000000000000000 [ 3048.474364] R10: 0000000020000180 R11: 0000000000000246 R12: 0000000000000016 [ 3048.481702] R13: 00000000004c6af0 R14: 00000000004d1590 R15: 0000000000000000 19:31:15 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f00000000c0)="460f01d1b9800000c00f3235008000000f30450f38077f00366766470f38221d00280000b9800000c00f3235002000000f30644a0fc7ad00300000c4620db7370f20c035200000000f22c0643e65660f5de2420f01ca", 0x56}], 0x1, 0x0, &(0x7f0000000040), 0x0) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x3e8) [ 3048.493793] bpfilter: read fail -512 invalid request 0 [ 3048.517269] ================================================================== [ 3048.524975] BUG: KASAN: use-after-free in __kernel_write+0x301/0x380 [ 3048.531481] Read of size 4 at addr ffff8801cdee887c by task syz-executor7/4574 [ 3048.538834] 19:31:15 executing program 2 (fault-call:8 fault-nth:1): r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000100)=ANY=[], 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) 19:31:15 executing program 3: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) r2 = memfd_create(&(0x7f0000000000)='\x00', 0x3) sendmsg$unix(r2, &(0x7f00000003c0)={&(0x7f0000000040)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000000240)=[{&(0x7f00000000c0)="4d7705280dbc35676240614938a84c06493d5a878f28361d635872301d034ecf0213c1d177225d13c8165d", 0x2b}, {&(0x7f00000002c0)="5903dedadd36183b81d6715dccb932c85fd406cc1004868b5b3567be5ab9c1574eee6a671926edca378e5d58c4f4bfd5f68e97752bdffe00aa61c2c654d6a88f1aca9a58b5b122d4145f8a5f3d953b0e982fe686170b164a425ea82d71c300356b3c027003611582289ab47338d493ae54abb3a6404f6f1106dcfbddf70433537cdcf8fd4832ffe5cefe38aa3a0dc233a11d42d21358a3698d85ddb1cf3416f0d6c3a47aff541b8ba794f096fc334dafe031ee43837e2d8bae3e31a6a57ced389d64baaa2a94cb1eab59444c7e5cd1ca2485473e2b549ebc9dab39bfaf20f40663b1b72a116c5004d96a1faa5e01d73f2ebc597c9a", 0xf5}, {&(0x7f0000000100)="d6c99eabc425ca3304d9e5165f0274f2e46f555b214bf3c07a7ed4778a38cda22c8548aa38453ac28abfea949fc2f94ecbbb4b270c324a2e7ab84cbdd077eb31b11c9e4d64b6922e3a3223d546186d2c640bb3778e2ea7909555", 0x5a}, {&(0x7f00000001c0)="4d4cb0950542d833f1d46e3d44fc401e0d71fd606938afec29cb02181f322fff78545ca6dd3b13d5b9a44f72319c66bbef09e4198e106bbb3fe0f879d5436aff0f2b5d7dc1219d92147086ac10e7755cdf48a3bf2f3c36c0ee3c50f856cf9853ad6513a38a2da658282ac6594b", 0x6d}], 0x4, 0x0, 0x0, 0x5}, 0x40000) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) getsockopt(r2, 0x2, 0x7, &(0x7f0000000480)=""/47, &(0x7f00000004c0)=0x2f) listen(r1, 0xffefffffffffff7f) getsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x8, &(0x7f0000000500), &(0x7f0000000540)=0x4) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) [ 3048.540472] CPU: 1 PID: 4574 Comm: syz-executor7 Not tainted 4.17.0+ #89 [ 3048.547307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3048.556658] Call Trace: [ 3048.559250] dump_stack+0x1b9/0x294 [ 3048.562895] ? dump_stack_print_info.cold.2+0x52/0x52 [ 3048.568090] ? printk+0x9e/0xba [ 3048.571374] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 3048.576135] ? kasan_check_write+0x14/0x20 [ 3048.580380] print_address_description+0x6c/0x20b [ 3048.585232] ? __kernel_write+0x301/0x380 [ 3048.589389] kasan_report.cold.7+0x242/0x2fe 19:31:15 executing program 1: r0 = socket$inet6(0xa, 0x201000000000002, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0xffefffffffffff7f) r2 = fcntl$dupfd(r1, 0x406, r0) setsockopt$inet_sctp_SCTP_AUTOCLOSE(r2, 0x84, 0x4, &(0x7f0000000000)=0xfff, 0x4) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={0x0, 0x5}, 0x8) ioctl$SG_GET_ACCESS_COUNT(r2, 0x2289, &(0x7f0000000040)) [ 3048.593808] __asan_report_load4_noabort+0x14/0x20 [ 3048.598753] __kernel_write+0x301/0x380 [ 3048.602740] __bpfilter_process_sockopt+0x1d8/0x35b [ 3048.607761] ? ipv6_mc_check_mld+0xf60/0xf60 [ 3048.612177] ? lock_downgrade+0x8e0/0x8e0 [ 3048.616342] ? lock_release+0xa10/0xa10 [ 3048.620323] ? check_same_owner+0x320/0x320 [ 3048.624656] ? ipv6_mc_check_mld+0xf60/0xf60 [ 3048.629075] bpfilter_mbox_request+0x4d/0xb0 [ 3048.633490] bpfilter_ip_get_sockopt+0x6b/0x90 [ 3048.638075] ip_getsockopt+0x238/0x2a0 [ 3048.641988] ? do_ip_getsockopt+0x2300/0x2300 [ 3048.646488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 3048.652024] ? alloc_file+0x44/0x3e0 [ 3048.655736] tcp_getsockopt+0x93/0xe0 [ 3048.659527] sock_common_getsockopt+0x9a/0xe0 [ 3048.664014] __sys_getsockopt+0x1a5/0x370 [ 3048.668154] ? kernel_setsockopt+0x1d0/0x1d0 [ 3048.672543] ? __sys_socket+0x19f/0x250 [ 3048.676502] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 3048.681329] __x64_sys_getsockopt+0xbe/0x150 [ 3048.685719] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 3048.690722] do_syscall_64+0x1b1/0x800 [ 3048.694605] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 3048.699434] ? syscall_return_slowpath+0x5c0/0x5c0 [ 3048.704374] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 3048.709742] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 3048.714586] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3048.719757] RIP: 0033:0x4584ea [ 3048.722929] Code: b8 34 01 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 1d 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 fa 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 3048.742146] RSP: 002b:0000000000a3e328 EFLAGS: 00000212 ORIG_RAX: 0000000000000037 [ 3048.749856] RAX: ffffffffffffffda RBX: 0000000000a3e350 RCX: 00000000004584ea [ 3048.757109] RDX: 0000000000000041 RSI: 0000000000000000 RDI: 0000000000000013 [ 3048.764374] RBP: 0000000000705f20 R08: 0000000000a3e34c R09: 0000000000004000 [ 3048.771638] R10: 0000000000a3e450 R11: 0000000000000212 R12: 0000000000000013 [ 3048.778891] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000704ae0 [ 3048.786156] [ 3048.787768] Allocated by task 2222: [ 3048.791396] save_stack+0x43/0xd0 19:31:15 executing program 0: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="025cc83d6d34") r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r1, 0x6) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = accept4(r1, &(0x7f00000003c0)=@in={0x0, 0x0, @multicast1}, &(0x7f0000000380)=0x3e, 0x0) sendto$inet6(r2, &(0x7f0000e33fe0)='X', 0x282, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xffffffffffffffff, @loopback={0x0, 0x1}}, 0x1c) recvfrom$packet(r3, &(0x7f0000000040)=""/222, 0xde, 0x0, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x709000) [ 3048.794831] kasan_kmalloc+0xc4/0xe0 [ 3048.798541] kasan_slab_alloc+0x12/0x20 [ 3048.802520] kmem_cache_alloc+0x12e/0x760 [ 3048.806667] get_empty_filp+0x125/0x520 [ 3048.810639] alloc_file+0x24/0x3e0 [ 3048.814175] create_pipe_files+0x4db/0x940 [ 3048.818404] umh_pipe_setup+0xac/0x430 [ 3048.822299] call_usermodehelper_exec_async+0x3c0/0x9e0 [ 3048.827667] ret_from_fork+0x3a/0x50 [ 3048.831366] [ 3048.832983] Freed by task 14520: [ 3048.836347] save_stack+0x43/0xd0 [ 3048.839795] __kasan_slab_free+0x11a/0x170 [ 3048.844032] kasan_slab_free+0xe/0x10 [ 3048.847841] kmem_cache_free+0x86/0x2d0 [ 3048.851817] file_free_rcu+0x6f/0x90 [ 3048.855530] rcu_process_callbacks+0xe9d/0x1760 [ 3048.860193] __do_softirq+0x2e0/0xaf5 [ 3048.863968] [ 3048.865573] The buggy address belongs to the object at ffff8801cdee8800 [ 3048.865573] which belongs to the cache filp of size 456 [ 3048.877622] The buggy address is located 124 bytes inside of [ 3048.877622] 456-byte region [ffff8801cdee8800, ffff8801cdee89c8) [ 3048.889477] The buggy address belongs to the page: [ 3048.894396] page:ffffea000737ba00 count:1 mapcount:0 mapping:ffff8801cdee8080 index:0x0 [ 3048.902544] flags: 0x2fffc0000000100(slab) [ 3048.906771] raw: 02fffc0000000100 ffff8801cdee8080 0000000000000000 0000000100000006 [ 3048.914655] raw: ffffea000760b6a0 ffffea000763bfe0 ffff8801da986940 0000000000000000 [ 3048.922525] page dumped because: kasan: bad access detected [ 3048.928220] [ 3048.929828] Memory state around the buggy address: [ 3048.934747] ffff8801cdee8700: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc [ 3048.942100] ffff8801cdee8780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 3048.949454] >ffff8801cdee8800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 3048.956799] ^ [ 3048.964066] ffff8801cdee8880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 3048.971422] ffff8801cdee8900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 3048.978762] ================================================================== [ 3048.986102] Disabling lock debugging due to kernel taint [ 3048.991638] Kernel panic - not syncing: panic_on_warn set ... [ 3048.991638] [ 3048.999008] CPU: 1 PID: 4574 Comm: syz-executor7 Tainted: G B 4.17.0+ #89 [ 3049.007229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3049.016578] Call Trace: [ 3049.019181] dump_stack+0x1b9/0x294 [ 3049.022802] ? dump_stack_print_info.cold.2+0x52/0x52 [ 3049.027972] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3049.032726] ? __kernel_write+0x2f0/0x380 [ 3049.036858] panic+0x22f/0x4de [ 3049.040040] ? add_taint.cold.5+0x16/0x16 [ 3049.044172] ? do_raw_spin_unlock+0x9e/0x2e0 [ 3049.048571] ? do_raw_spin_unlock+0x9e/0x2e0 [ 3049.052957] ? __kernel_write+0x301/0x380 [ 3049.057085] kasan_end_report+0x47/0x4f [ 3049.061048] kasan_report.cold.7+0x76/0x2fe [ 3049.065362] __asan_report_load4_noabort+0x14/0x20 [ 3049.070269] __kernel_write+0x301/0x380 [ 3049.074223] __bpfilter_process_sockopt+0x1d8/0x35b [ 3049.079218] ? ipv6_mc_check_mld+0xf60/0xf60 [ 3049.083619] ? lock_downgrade+0x8e0/0x8e0 [ 3049.087746] ? lock_release+0xa10/0xa10 [ 3049.091700] ? check_same_owner+0x320/0x320 [ 3049.096004] ? ipv6_mc_check_mld+0xf60/0xf60 [ 3049.100416] bpfilter_mbox_request+0x4d/0xb0 [ 3049.104804] bpfilter_ip_get_sockopt+0x6b/0x90 [ 3049.109380] ip_getsockopt+0x238/0x2a0 [ 3049.113254] ? do_ip_getsockopt+0x2300/0x2300 [ 3049.117737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 3049.123252] ? alloc_file+0x44/0x3e0 [ 3049.126946] tcp_getsockopt+0x93/0xe0 [ 3049.130725] sock_common_getsockopt+0x9a/0xe0 [ 3049.135207] __sys_getsockopt+0x1a5/0x370 [ 3049.139334] ? kernel_setsockopt+0x1d0/0x1d0 [ 3049.143729] ? __sys_socket+0x19f/0x250 [ 3049.147692] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 3049.152522] __x64_sys_getsockopt+0xbe/0x150 [ 3049.156930] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 3049.161924] do_syscall_64+0x1b1/0x800 [ 3049.165790] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 3049.170612] ? syscall_return_slowpath+0x5c0/0x5c0 [ 3049.175531] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 3049.180875] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 3049.185702] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3049.190881] RIP: 0033:0x4584ea [ 3049.194054] Code: b8 34 01 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 1d 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 fa 8e fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 3049.213262] RSP: 002b:0000000000a3e328 EFLAGS: 00000212 ORIG_RAX: 0000000000000037 [ 3049.220949] RAX: ffffffffffffffda RBX: 0000000000a3e350 RCX: 00000000004584ea [ 3049.228196] RDX: 0000000000000041 RSI: 0000000000000000 RDI: 0000000000000013 [ 3049.235442] RBP: 0000000000705f20 R08: 0000000000a3e34c R09: 0000000000004000 [ 3049.242688] R10: 0000000000a3e450 R11: 0000000000000212 R12: 0000000000000013 [ 3049.249934] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000704ae0 [ 3049.257632] Dumping ftrace buffer: [ 3049.261149] (ftrace buffer empty) [ 3049.264834] Kernel Offset: disabled [ 3049.268453] Rebooting in 86400 seconds..