_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:12:08 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r1}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) [ 283.303965][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x5460, 0x0) 09:12:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x1276, 0x0) [ 283.433011][T10466] block nbd1: Receive control failed (result -107) [ 283.452169][T11385] block nbd1: shutting down sockets 09:12:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) [ 283.592319][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 283.704462][T10466] block nbd1: Receive control failed (result -107) [ 283.716531][T11394] block nbd1: shutting down sockets 09:12:09 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:09 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r1}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x6364, 0x0) 09:12:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x1277, 0x0) 09:12:09 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x2, 0x0) 09:12:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x1278, 0x0) 09:12:09 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r1}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x8933, 0x0) [ 283.962144][T10466] block nbd1: Receive control failed (result -107) [ 283.973575][T11408] block nbd1: shutting down sockets [ 284.019016][T11410] block nbd1: Could not allocate knbd recv work queue. [ 284.033856][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 284.050677][T11410] block nbd1: shutting down sockets 09:12:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x10, 0x0) 09:12:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab00, 0x0) 09:12:09 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r1}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) [ 284.246515][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 284.370952][T10466] block nbd1: Receive control failed (result -107) [ 284.382765][T11423] block nbd1: shutting down sockets [ 284.429366][T11425] block nbd1: Could not allocate knbd recv work queue. [ 284.436420][T11425] block nbd1: shutting down sockets 09:12:10 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x1279, 0x0) 09:12:10 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab01, 0x0) 09:12:10 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r1}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:10 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x301, 0x0) 09:12:10 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r1}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x127a, 0x0) [ 284.641888][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 284.658269][T10466] block nbd1: Receive control failed (result -107) [ 284.679436][T11438] block nbd1: shutting down sockets 09:12:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab03, 0x0) 09:12:10 executing program 4: socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:10 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125d, 0x0) 09:12:10 executing program 4: socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) [ 284.874889][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 284.986850][T10466] block nbd1: Receive control failed (result -107) [ 284.997101][T11453] block nbd1: shutting down sockets [ 285.056529][T11454] block nbd1: Could not allocate knbd recv work queue. [ 285.119169][T11454] block nbd1: shutting down sockets 09:12:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab04, 0x0) 09:12:10 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x127b, 0x0) 09:12:10 executing program 4: socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:10 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125e, 0x0) 09:12:10 executing program 2: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x2000000002000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$EBT_SO_SET_ENTRIES(r1, 0x0, 0x80, &(0x7f0000000300)=@filter={'filter\x00', 0xe, 0x1, 0x1ac, [0x0, 0x200000c0, 0x200000f0, 0x2000023c], 0x0, 0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="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"]}, 0x224) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x1e) getsockopt$inet_opts(r1, 0x0, 0xd, &(0x7f0000000380)=""/233, &(0x7f0000000000)=0xe9) wait4(0x0, 0x0, 0x2, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$IOC_PR_RELEASE(r3, 0x401070ca, &(0x7f0000000040)={0x0, 0x6, 0x1}) [ 285.364370][T10466] block nbd1: Receive control failed (result -107) [ 285.374940][T11463] block nbd1: shutting down sockets 09:12:11 executing program 4: socketpair$unix(0x1, 0x2, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r1}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab05, 0x0) 09:12:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x127c, 0x0) 09:12:11 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) [ 285.409097][T11469] block nbd1: Could not allocate knbd recv work queue. [ 285.419242][T11469] block nbd1: shutting down sockets 09:12:11 executing program 4: socketpair$unix(0x1, 0x2, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r1}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) [ 285.542939][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x127d, 0x0) [ 285.627731][T10466] block nbd1: Receive control failed (result -107) [ 285.637935][T11487] block nbd1: shutting down sockets [ 285.709128][T11490] block nbd1: Could not allocate knbd recv work queue. [ 285.716568][T11490] block nbd1: shutting down sockets 09:12:11 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') 09:12:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab06, 0x0) 09:12:11 executing program 4: socketpair$unix(0x1, 0x2, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r1}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x127e, 0x0) 09:12:11 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x1260, 0x0) [ 285.893719][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 286.016619][T10466] block nbd1: Receive control failed (result -107) [ 286.027365][T11504] block nbd1: shutting down sockets [ 286.067520][T11505] block nbd1: Could not allocate knbd recv work queue. [ 286.089043][T11505] block nbd1: shutting down sockets [ 286.242762][ T0] NOHZ: local_softirq_pending 08 09:12:13 executing program 2: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x2000000002000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$EBT_SO_SET_ENTRIES(r1, 0x0, 0x80, &(0x7f0000000300)=@filter={'filter\x00', 0xe, 0x1, 0x1ac, [0x0, 0x200000c0, 0x200000f0, 0x2000023c], 0x0, 0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="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"]}, 0x224) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x1e) getsockopt$inet_opts(r1, 0x0, 0xd, &(0x7f0000000380)=""/233, &(0x7f0000000000)=0xe9) wait4(0x0, 0x0, 0x2, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$IOC_PR_RELEASE(r3, 0x401070ca, &(0x7f0000000040)={0x0, 0x6, 0x1}) 09:12:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) 09:12:13 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)) r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r1}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x127f, 0x0) 09:12:13 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') 09:12:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x1261, 0x0) 09:12:14 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)) r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r1}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x4610, 0x0) [ 288.436730][T10466] block nbd1: Receive control failed (result -107) [ 288.446959][T11513] block nbd1: shutting down sockets 09:12:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x4b47, 0x0) 09:12:14 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab08, 0x0) [ 288.543905][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 288.569194][T11516] block nbd1: Could not allocate knbd recv work queue. 09:12:14 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)) r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r1}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) [ 288.594922][T11516] block nbd1: shutting down sockets 09:12:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x4b49, 0x0) [ 288.695073][T11535] block nbd5: NBD_DISCONNECT 09:12:16 executing program 2: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x2000000002000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$EBT_SO_SET_ENTRIES(r1, 0x0, 0x80, &(0x7f0000000300)=@filter={'filter\x00', 0xe, 0x1, 0x1ac, [0x0, 0x200000c0, 0x200000f0, 0x2000023c], 0x0, 0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="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"]}, 0x224) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x1e) getsockopt$inet_opts(r1, 0x0, 0xd, &(0x7f0000000380)=""/233, &(0x7f0000000000)=0xe9) wait4(0x0, 0x0, 0x2, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$IOC_PR_RELEASE(r3, 0x401070ca, &(0x7f0000000040)={0x0, 0x6, 0x1}) 09:12:16 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x1262, 0x0) 09:12:16 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab09, 0x0) 09:12:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x4c00, 0x0) 09:12:16 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, 0x0) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:16 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') 09:12:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab0a, 0x0) 09:12:17 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, 0x0) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) [ 291.501333][T10466] block nbd1: Receive control failed (result -107) [ 291.511572][T11540] block nbd1: shutting down sockets 09:12:17 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x4c01, 0x0) 09:12:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x400454ca, 0x0) [ 291.592373][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 291.619190][T11548] block nbd1: Could not allocate knbd recv work queue. [ 291.626660][T11548] block nbd1: shutting down sockets 09:12:17 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, 0x0) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:17 executing program 2: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x2000000002000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$EBT_SO_SET_ENTRIES(r1, 0x0, 0x80, &(0x7f0000000300)=@filter={'filter\x00', 0xe, 0x1, 0x1ac, [0x0, 0x200000c0, 0x200000f0, 0x2000023c], 0x0, 0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="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"]}, 0x224) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x1e) getsockopt$inet_opts(r1, 0x0, 0xd, &(0x7f0000000380)=""/233, &(0x7f0000000000)=0xe9) wait4(0x0, 0x0, 0x2, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$IOC_PR_RELEASE(r3, 0x401070ca, &(0x7f0000000040)={0x0, 0x6, 0x1}) 09:12:17 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x1263, 0x0) 09:12:17 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) sendfile(r6, 0xffffffffffffffff, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:17 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x540a, 0x0) 09:12:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40049409, 0x0) 09:12:17 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40081271, 0x0) [ 291.939778][T10466] block nbd1: Receive control failed (result -107) [ 291.955808][T11572] block nbd1: shutting down sockets 09:12:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40086602, 0x0) 09:12:17 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x541b, 0x0) [ 292.026905][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 292.029358][T11583] A link change request failed with some changes committed already. Interface syz_tun may have been left with an inconsistent configuration, please check. [ 292.041993][T11577] block nbd1: shutting down sockets 09:12:17 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:17 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) sendfile(r6, 0xffffffffffffffff, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40087602, 0x0) [ 292.265201][T11592] A link change request failed with some changes committed already. Interface syz_tun may have been left with an inconsistent configuration, please check. [ 292.558761][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x5421, 0x0) 09:12:20 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x1264, 0x0) 09:12:20 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) sendfile(r6, 0xffffffffffffffff, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40101283, 0x0) 09:12:20 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:20 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) sendfile(r6, 0xffffffffffffffff, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 294.929007][T11602] A link change request failed with some changes committed already. Interface syz_tun may have been left with an inconsistent configuration, please check. [ 294.952902][T10466] block nbd1: Receive control failed (result -107) [ 294.961821][T11601] block nbd1: shutting down sockets [ 294.987878][T11606] block nbd1: Could not allocate knbd recv work queue. [ 294.999309][T11606] block nbd1: shutting down sockets 09:12:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x5450, 0x0) 09:12:20 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, 0x0) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:20 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x1265, 0x0) [ 295.100653][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40101286, 0x0) [ 295.150616][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x5451, 0x0) [ 295.272291][T11617] A link change request failed with some changes committed already. Interface syz_tun may have been left with an inconsistent configuration, please check. [ 295.292886][T10466] block nbd1: Receive control failed (result -107) [ 295.302756][T11615] block nbd1: shutting down sockets 09:12:20 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(0xffffffffffffffff, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:20 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) sendfile(r6, 0xffffffffffffffff, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 295.336950][T11618] block nbd1: Could not allocate knbd recv work queue. [ 295.352590][T11618] block nbd1: shutting down sockets 09:12:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x5452, 0x0) 09:12:20 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x1267, 0x0) 09:12:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40101288, 0x0) 09:12:21 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, 0x0) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) [ 295.518136][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 295.527693][T11637] A link change request failed with some changes committed already. Interface syz_tun may have been left with an inconsistent configuration, please check. [ 295.567728][T10466] block nbd1: Receive control failed (result -107) [ 295.578052][T11631] block nbd1: shutting down sockets [ 295.607362][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x5460, 0x0) 09:12:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x401070c9, 0x0) [ 295.609441][T11636] block nbd1: Could not allocate knbd recv work queue. 09:12:21 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(0xffffffffffffffff, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 295.669358][T11636] block nbd1: shutting down sockets 09:12:21 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, 0x0) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:21 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x1268, 0x0) 09:12:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x401070ca, 0x0) 09:12:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x54a3, 0x0) 09:12:21 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) sendfile(r6, 0xffffffffffffffff, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 295.828007][T11647] A link change request failed with some changes committed already. Interface syz_tun may have been left with an inconsistent configuration, please check. 09:12:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x401070cd, 0x0) [ 295.917146][T10466] block nbd1: Receive control failed (result -107) [ 295.927074][T11651] block nbd1: shutting down sockets 09:12:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x6364, 0x0) [ 295.971812][T11653] block nbd1: Could not allocate knbd recv work queue. [ 296.014606][T11653] block nbd1: shutting down sockets 09:12:21 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:21 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x1269, 0x0) 09:12:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40186366, 0x0) [ 296.127094][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x8912, 0x0) [ 296.189088][T11666] A link change request failed with some changes committed already. Interface syz_tun may have been left with an inconsistent configuration, please check. 09:12:21 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(0xffffffffffffffff, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x401870c8, 0x0) [ 296.261213][T10466] block nbd1: Receive control failed (result -107) [ 296.272253][T11668] block nbd1: shutting down sockets [ 296.363569][T11669] block nbd1: Could not allocate knbd recv work queue. 09:12:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x8933, 0x0) 09:12:22 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x401870cb, 0x0) [ 296.416561][T11669] block nbd1: shutting down sockets 09:12:22 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) sendfile(r6, 0xffffffffffffffff, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x1274, 0x0) 09:12:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x401870cc, 0x0) 09:12:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x400454ca, 0x0) 09:12:22 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) r4 = fcntl$dupfd(0xffffffffffffffff, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x4020940d, 0x0) [ 296.711250][T10466] block nbd1: Receive control failed (result -107) [ 296.721830][T11685] block nbd1: shutting down sockets 09:12:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x80041284, 0x0) [ 296.790700][T11687] block nbd1: Could not allocate knbd recv work queue. 09:12:22 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, 0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:22 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 296.853049][T11687] block nbd1: shutting down sockets 09:12:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40049409, 0x0) 09:12:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x1276, 0x0) 09:12:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x80041285, 0x0) 09:12:22 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40081271, 0x0) 09:12:22 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, 0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) [ 297.161354][T10466] block nbd1: Receive control failed (result -107) [ 297.171244][T11708] block nbd1: shutting down sockets 09:12:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x800454d2, 0x0) 09:12:22 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 297.204125][T11711] block nbd1: Could not allocate knbd recv work queue. [ 297.226472][T11711] block nbd1: shutting down sockets 09:12:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x1277, 0x0) 09:12:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40084503, 0x0) 09:12:22 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:22 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, 0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) [ 297.407838][T10466] block nbd1: Receive control failed (result -107) [ 297.419105][T11723] block nbd1: shutting down sockets [ 297.445617][T11726] block nbd1: Could not allocate knbd recv work queue. [ 297.509540][T11726] block nbd1: shutting down sockets 09:12:23 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:23 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x80081270, 0x0) 09:12:23 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x1278, 0x0) 09:12:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40086602, 0x0) 09:12:23 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:23 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) [ 297.800248][T10466] block nbd1: Receive control failed (result -107) [ 297.810340][T11740] block nbd1: shutting down sockets 09:12:23 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x80081272, 0x0) [ 297.881861][T11743] block nbd1: Could not allocate knbd recv work queue. [ 297.918997][T11743] block nbd1: shutting down sockets 09:12:23 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40087602, 0x0) 09:12:23 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:23 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x1279, 0x0) 09:12:23 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x80086301, 0x0) 09:12:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x4008af00, 0x0) 09:12:23 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:23 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x0) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) [ 298.144775][T10466] block nbd1: Receive control failed (result -107) [ 298.154719][T11756] block nbd1: shutting down sockets [ 298.232100][T11760] block nbd1: Could not allocate knbd recv work queue. [ 298.270016][T11760] block nbd1: shutting down sockets 09:12:23 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x0) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:23 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x127a, 0x0) 09:12:23 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x80086601, 0x0) 09:12:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40101283, 0x0) [ 298.502963][T10466] block nbd1: Receive control failed (result -107) [ 298.513114][T11773] block nbd1: shutting down sockets [ 298.532539][T11775] block nbd1: Could not allocate knbd recv work queue. [ 298.546742][T11775] block nbd1: shutting down sockets 09:12:24 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x127b, 0x0) 09:12:24 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x0) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) [ 298.627501][T10466] block nbd1: Receive control failed (result -107) [ 298.637784][T11786] block nbd1: shutting down sockets 09:12:24 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x80087601, 0x0) 09:12:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40101286, 0x0) [ 298.671560][T11787] block nbd1: Could not allocate knbd recv work queue. [ 298.678701][T11787] block nbd1: shutting down sockets 09:12:24 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:24 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x127c, 0x0) 09:12:24 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r1}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40101288, 0x0) 09:12:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xc0045878, 0x0) 09:12:24 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) [ 299.017734][T10466] block nbd1: Receive control failed (result -107) [ 299.027666][T11801] block nbd1: shutting down sockets [ 299.061142][T11802] block nbd1: Could not allocate knbd recv work queue. [ 299.081274][T11802] block nbd1: shutting down sockets 09:12:24 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x127d, 0x0) 09:12:24 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r1}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x401070c9, 0x0) 09:12:24 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xc0045878, 0x0) [ 299.266925][T10466] block nbd1: Receive control failed (result -107) [ 299.276442][T11815] block nbd1: shutting down sockets [ 299.304831][T11816] block nbd1: Could not allocate knbd recv work queue. 09:12:24 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) [ 299.333987][T11816] block nbd1: shutting down sockets 09:12:24 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x127e, 0x0) 09:12:25 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x401070ca, 0x0) 09:12:25 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r1}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xc0101282, 0x0) [ 299.561945][T10466] block nbd1: Receive control failed (result -107) [ 299.571639][T11828] block nbd1: shutting down sockets 09:12:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x401070cd, 0x0) 09:12:25 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xc0189436, 0x0) 09:12:25 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00'}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r1, 0x0, 0x0) [ 299.611922][T11829] block nbd1: Could not allocate knbd recv work queue. [ 299.633395][T11829] block nbd1: shutting down sockets 09:12:25 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x127f, 0x0) 09:12:25 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x4010ae74, 0x0) 09:12:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xc020660b, 0x0) 09:12:25 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00'}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r1, 0x0, 0x0) [ 299.868450][T10466] block nbd1: Receive control failed (result -107) [ 299.878025][T11847] block nbd1: shutting down sockets [ 299.933347][T11850] block nbd1: Could not allocate knbd recv work queue. [ 299.966659][T11850] block nbd1: shutting down sockets 09:12:25 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:25 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x4b47, 0x0) 09:12:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xc0481273, 0x0) 09:12:25 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00'}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r1, 0x0, 0x0) 09:12:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40186366, 0x0) [ 300.100545][ C1] net_ratelimit: 28 callbacks suppressed [ 300.100584][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 300.228433][T10466] block nbd1: Receive control failed (result -107) [ 300.238083][T11863] block nbd1: shutting down sockets 09:12:25 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x2) [ 300.268986][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 300.272365][T11868] block nbd1: Could not allocate knbd recv work queue. [ 300.306178][T11868] block nbd1: shutting down sockets 09:12:25 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x4b49, 0x0) 09:12:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x401870c8, 0x0) 09:12:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x3) 09:12:25 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00'}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, 0x0}, 0x0) [ 300.482556][T10466] block nbd1: Receive control failed (result -107) [ 300.485726][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 300.492832][T11880] block nbd1: shutting down sockets [ 300.538452][T11881] block nbd1: Could not allocate knbd recv work queue. [ 300.573989][T11881] block nbd1: shutting down sockets 09:12:26 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x4) 09:12:26 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:26 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x401870cb, 0x0) 09:12:26 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00'}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, 0x0}, 0x0) 09:12:26 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:26 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x4c01, 0x0) 09:12:26 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x5) 09:12:26 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x401870cc, 0x0) 09:12:26 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00'}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, 0x0}, 0x0) [ 300.835360][T10466] block nbd1: Receive control failed (result -107) [ 300.845192][T11897] block nbd1: shutting down sockets [ 300.913846][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 300.933203][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 300.954455][T11900] block nbd1: Could not allocate knbd recv work queue. [ 300.969487][T11900] block nbd1: shutting down sockets 09:12:26 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x541b, 0x0) 09:12:26 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:26 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x4020940d, 0x0) 09:12:26 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00'}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) [ 301.119884][T10466] block nbd1: Receive control failed (result -107) [ 301.130180][T11913] block nbd1: shutting down sockets [ 301.151509][T11914] block nbd1: Could not allocate knbd recv work queue. 09:12:26 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x6) 09:12:26 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40284504, 0x0) [ 301.202850][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 301.205976][T11914] block nbd1: shutting down sockets 09:12:26 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:27 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:27 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x80041284, 0x0) 09:12:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x7) 09:12:27 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x5421, 0x0) 09:12:27 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00'}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) [ 301.432948][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:27 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) [ 301.492074][T10466] block nbd1: Receive control failed (result -107) [ 301.502224][T11930] block nbd1: shutting down sockets [ 301.572400][T11931] block nbd1: Could not allocate knbd recv work queue. 09:12:27 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00'}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) 09:12:27 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x80041285, 0x0) 09:12:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x300) [ 301.616931][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 301.626086][T11931] block nbd1: shutting down sockets 09:12:27 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) [ 301.728783][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:27 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x5450, 0x0) 09:12:27 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:27 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:27 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x800454d2, 0x0) 09:12:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x500) [ 301.918657][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:27 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:27 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) [ 302.073439][T10466] block nbd1: Receive control failed (result -107) [ 302.082601][T11955] block nbd1: shutting down sockets [ 302.112483][T11960] block nbd1: Could not allocate knbd recv work queue. 09:12:27 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x80081270, 0x0) 09:12:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x600) [ 302.140268][T11960] block nbd1: shutting down sockets 09:12:27 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x5451, 0x0) 09:12:27 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:27 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:27 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x80081272, 0x0) 09:12:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x700) [ 302.375320][T10466] block nbd1: Receive control failed (result -107) [ 302.390500][T11973] block nbd1: shutting down sockets 09:12:28 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x3f00) 09:12:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x8008563f, 0x0) 09:12:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x5452, 0x0) 09:12:28 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:28 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00'}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:28 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x4000) [ 302.768900][T10466] block nbd1: Receive control failed (result -107) [ 302.777658][T11990] block nbd1: shutting down sockets 09:12:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x80086301, 0x0) 09:12:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x5460, 0x0) [ 302.819768][T11992] block nbd1: Could not allocate knbd recv work queue. [ 302.826753][T11992] block nbd1: shutting down sockets 09:12:28 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00'}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x1000000) [ 302.988179][T10466] block nbd1: Receive control failed (result -107) [ 302.998271][T12005] block nbd1: shutting down sockets 09:12:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x80086601, 0x0) [ 303.033092][T12009] block nbd1: Could not allocate knbd recv work queue. 09:12:28 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00'}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x2000000) [ 303.089279][T12009] block nbd1: shutting down sockets 09:12:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x6364, 0x0) 09:12:28 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x80087601, 0x0) 09:12:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x3000000) 09:12:28 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}]}, 0x28}}, 0x0) 09:12:28 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 303.354388][T10466] block nbd1: Receive control failed (result -107) [ 303.364124][T12025] block nbd1: shutting down sockets 09:12:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xc0045878, 0x0) 09:12:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x4000000) [ 303.415682][T12028] block nbd1: Could not allocate knbd recv work queue. [ 303.450976][T12028] block nbd1: shutting down sockets 09:12:29 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:29 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}]}, 0x28}}, 0x0) 09:12:29 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x8933, 0x0) 09:12:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x5000000) 09:12:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xc0045878, 0x0) 09:12:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xc004743e, 0x0) [ 303.689426][T10466] block nbd1: Receive control failed (result -107) [ 303.699451][T12043] block nbd1: shutting down sockets [ 303.747003][T12047] block nbd1: Could not allocate knbd recv work queue. 09:12:29 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}]}, 0x28}}, 0x0) 09:12:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xc0101282, 0x0) [ 303.809224][T12047] block nbd1: shutting down sockets 09:12:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x6000000) 09:12:29 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:29 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab00, 0x0) 09:12:29 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x2c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0x4}]}, 0x2c}}, 0x0) 09:12:29 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xc0189436, 0x0) 09:12:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x7000000) [ 304.046395][T10466] block nbd1: Receive control failed (result -107) [ 304.055405][T12063] block nbd1: shutting down sockets 09:12:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xc020660b, 0x0) [ 304.104786][T10466] block nbd1: Receive control failed (result -107) [ 304.104930][T12064] block nbd1: shutting down sockets 09:12:29 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:29 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x2c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0x4}]}, 0x2c}}, 0x0) 09:12:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x3f000000) 09:12:29 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab01, 0x0) 09:12:29 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) socket$inet6_tcp(0xa, 0x1, 0x0) r4 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r4, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:30 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xc0481273, 0x0) [ 304.398082][T10466] block nbd1: Receive control failed (result -107) [ 304.408246][T12084] block nbd1: shutting down sockets 09:12:30 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x40000000) 09:12:30 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x2c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0x4}]}, 0x2c}}, 0x0) 09:12:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x2) [ 304.498678][T10466] block nbd1: Receive control failed (result -107) [ 304.499156][T12086] block nbd1: shutting down sockets 09:12:30 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r4, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:30 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) r4 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r4, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab03, 0x0) 09:12:30 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0xfdfdffff) 09:12:30 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8}]}]}, 0x34}}, 0x0) 09:12:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x3) [ 304.786823][T10466] block nbd1: Receive control failed (result -107) [ 304.801285][T12106] block nbd1: shutting down sockets [ 304.835000][T10466] block nbd1: Receive control failed (result -107) [ 304.843433][T12106] block nbd1: shutting down sockets 09:12:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab04, 0x0) [ 304.958200][T10466] block nbd1: Receive control failed (result -107) [ 304.967222][T12120] block nbd1: shutting down sockets [ 305.002700][T12122] block nbd1: shutting down sockets 09:12:30 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:30 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) r3 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r3, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:30 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0xfffffdfd) 09:12:30 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8}]}]}, 0x34}}, 0x0) 09:12:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x4) 09:12:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab05, 0x0) 09:12:30 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x100000000000000) 09:12:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x5) 09:12:30 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8, 0x1b, 0xadd}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8}]}]}, 0x34}}, 0x0) [ 305.207110][ C0] net_ratelimit: 10 callbacks suppressed [ 305.207138][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:30 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 305.270820][T10466] block nbd1: Receive control failed (result -107) [ 305.280823][T12132] block nbd1: shutting down sockets [ 305.356987][T10466] block nbd1: Receive control failed (result -107) [ 305.357165][T12133] block nbd1: shutting down sockets 09:12:31 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) r3 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r3, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x6) 09:12:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x200000000000000) 09:12:31 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x2c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x2c}}, 0x0) 09:12:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab06, 0x0) [ 305.478659][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:31 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x7) 09:12:31 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) r3 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r3, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x300000000000000) [ 305.676871][T10466] block nbd1: Receive control failed (result -107) [ 305.686327][T12151] block nbd1: shutting down sockets 09:12:31 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x2c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x2c}}, 0x0) 09:12:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) 09:12:31 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) r3 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r3, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x400000000000000) 09:12:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x300) [ 305.921263][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 305.974783][T10466] block nbd1: Receive control failed (result -107) [ 305.984543][T12170] block nbd1: shutting down sockets 09:12:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x500000000000000) 09:12:31 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x2c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x2c}}, 0x0) 09:12:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x500) 09:12:31 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 306.102318][T10466] block nbd1: Receive control failed (result -107) [ 306.111113][T12170] block nbd1: shutting down sockets 09:12:31 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r2, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x600000000000000) 09:12:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x600) 09:12:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab08, 0x0) 09:12:31 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r2, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:31 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = fcntl$dupfd(r4, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=@newlink={0x34, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_GROUP={0x8}, @IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FLAGS={0x8, 0x3, 0x6}]}]}, 0x34}}, 0x0) 09:12:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x700000000000000) [ 306.369277][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 306.407982][T10466] block nbd1: Receive control failed (result -107) 09:12:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x700) [ 306.417376][T12196] block nbd1: NBD_DISCONNECT [ 306.422508][T12196] block nbd1: Send disconnect failed -32 09:12:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x3f00000000000000) 09:12:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x4000000000000000) [ 306.484253][T12194] block nbd1: shutting down sockets [ 306.497052][T12202] A link change request failed with some changes committed already. Interface syz_tun may have been left with an inconsistent configuration, please check. 09:12:32 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r2, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) [ 306.567645][T12208] block nbd1: NBD_DISCONNECT [ 306.584670][T12208] block nbd1: Send disconnect failed -32 [ 306.625404][T12196] block nbd1: Could not allocate knbd recv work queue. [ 306.659100][T12196] block nbd1: Disconnected due to user request. [ 306.703379][T12196] block nbd1: shutting down sockets 09:12:32 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x4000) 09:12:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0xfdfdffff00000000) 09:12:32 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) r3 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r3, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab09, 0x0) 09:12:32 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) semget(0x3, 0x1, 0x0) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) [ 306.919971][T10466] block nbd1: Receive control failed (result -107) [ 306.929423][T12218] block nbd1: shutting down sockets 09:12:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x1000000) 09:12:32 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000300)={'vlan0\x00', 0x0}) r6 = socket$nl_route(0x10, 0x3, 0x0) r7 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r7, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r6, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="3400000010000104539302000000000000000000", @ANYRES32=r8, @ANYBLOB="ddffffffffffffff140012000c0001006272696467650000040002004a8c1b6a238e3c4ad8aaf50c71a903efb4ed6f549d620cab62d981eb6d374923a2b1597449331902ca8bdf6a7b128fe8476d4d6652037756d0ac81399ac0582b151d141fe83ed1d9132ab02d67c1c5acd5789c4893db25c5630cca8a430aeff83d56f554ff14196fa347774c415acdeb046e3cf870dd52c26f6c603b8f3e34d021af63b3cfa8316e16c38ca72e58c356fde87643e8b809318f8d222ce63317ded42fa3aa394ade7dfe439c6479605528726a068cdc76a22067b3534442da88bc90000000000000000000000000f6a0d707"], 0x34}}, 0x0) sendmsg$nl_route(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r5}, [@IFLA_MASTER={0x8, 0xa, r8}]}, 0x28}}, 0x0) setsockopt$packet_add_memb(r2, 0x107, 0x1, &(0x7f0000000000)={r8, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}}, 0x10) r9 = dup(r1) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT(r9, 0xc0a85352, &(0x7f00000000c0)={{0x2, 0x3}, 'port1\x00', 0x1, 0x40000, 0x400, 0xfffffff7, 0xad, 0x2, 0x7, 0x0, 0x7, 0x2}) [ 306.974470][T10466] block nbd1: Receive control failed (result -107) [ 306.974491][T12222] block nbd1: shutting down sockets 09:12:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x2000000) [ 307.097978][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab0a, 0x0) 09:12:32 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) [ 307.214736][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 307.229011][T12234] device bridge1 entered promiscuous mode [ 307.277205][T12238] bridge1: port 1(vlan0) entered blocking state [ 307.305257][T10466] block nbd1: Receive control failed (result -107) [ 307.315004][T12236] block nbd1: shutting down sockets 09:12:32 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x3000000) [ 307.329831][T12238] bridge1: port 1(vlan0) entered disabled state [ 307.360253][T10466] block nbd1: Receive control failed (result -107) [ 307.360322][T12239] block nbd1: shutting down sockets [ 307.405808][T12238] device vlan0 entered promiscuous mode 09:12:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x4000000) [ 307.451024][T12238] bridge1: port 1(vlan0) entered blocking state [ 307.457359][T12238] bridge1: port 1(vlan0) entered forwarding state 09:12:33 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x400454ca, 0x0) 09:12:33 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) [ 307.605698][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:33 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r1 = openat$vimc2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video2\x00', 0x2, 0x0) ioctl$FS_IOC_SETVERSION(r1, 0x40087602, &(0x7f0000000040)=0xcc8f) 09:12:33 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) semget(0x3, 0x1, 0x0) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) [ 307.690526][T10466] block nbd1: Receive control failed (result -107) [ 307.700203][T12251] block nbd1: shutting down sockets 09:12:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x5000000) [ 307.744887][T12252] block nbd1: Could not allocate knbd recv work queue. [ 307.776838][T12252] block nbd1: shutting down sockets 09:12:33 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:33 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40049409, 0x0) 09:12:33 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) getsockopt$netrom_NETROM_T2(r1, 0x103, 0x2, &(0x7f0000000000)=0x4, &(0x7f0000000040)=0x4) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) getsockname$l2tp(r2, &(0x7f00000000c0)={0x2, 0x0, @broadcast}, &(0x7f0000000100)=0x10) 09:12:33 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:33 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) semget(0x3, 0x1, 0x0) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:33 executing program 2: getpid() r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x6000000) [ 308.019294][T10466] block nbd1: Receive control failed (result -107) [ 308.028950][T12268] block nbd1: shutting down sockets 09:12:33 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r1 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/binder/failed_transaction_log\x00', 0x0, 0x0) getsockopt$CAN_RAW_JOIN_FILTERS(r1, 0x65, 0x6, &(0x7f0000000040), &(0x7f00000000c0)=0x4) [ 308.083965][T12270] block nbd1: Could not allocate knbd recv work queue. [ 308.104664][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 308.122300][T12270] block nbd1: shutting down sockets 09:12:33 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) semget(0x3, 0x1, 0x0) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:33 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:33 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40081271, 0x0) 09:12:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x7000000) 09:12:33 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) accept4$tipc(r1, &(0x7f0000000000)=@id, &(0x7f0000000040)=0x10, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:12:33 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 308.360917][T10466] block nbd1: Receive control failed (result -107) [ 308.371137][T12289] block nbd1: shutting down sockets [ 308.399782][T12292] block nbd1: Could not allocate knbd recv work queue. [ 308.406825][T12292] block nbd1: shutting down sockets 09:12:34 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) semget(0x3, 0x1, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:34 executing program 2: r0 = socket$inet6(0xa, 0x0, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x40000000) 09:12:34 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40086602, 0x0) 09:12:34 executing program 5: ioctl$VIDIOC_PREPARE_BUF(0xffffffffffffffff, 0xc058565d, &(0x7f0000000000)={0x1, 0xa, 0x4, 0x80000, 0x80000001, {}, {0x0, 0xc, 0xba, 0x1, 0x80, 0x2, "c5100fcb"}, 0xc8, 0x4, @userptr=0x5, 0x313a, 0x0, 0xffffffffffffffff}) getsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000000c0), &(0x7f0000000100)=0x14) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab02, 0x0) 09:12:34 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) semget(0x3, 0x1, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) [ 308.713623][T10466] block nbd1: Receive control failed (result -107) [ 308.722978][T12311] block nbd1: shutting down sockets 09:12:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0xfdfdffff) [ 308.765072][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 308.875831][T12313] block nbd1: Could not allocate knbd recv work queue. 09:12:34 executing program 2: r0 = socket$inet6(0xa, 0x0, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) [ 308.919316][T12313] block nbd1: shutting down sockets 09:12:34 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x12d043) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:12:34 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40087602, 0x0) 09:12:34 executing program 5: r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/slabinfo\x00', 0x0, 0x0) mmap$fb(&(0x7f0000ffa000/0x3000)=nil, 0x3000, 0x200000e, 0x10, r0, 0xeb000) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) prctl$PR_SET_UNALIGN(0x6, 0x1) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab02, 0x0) [ 309.146361][T10466] block nbd1: Receive control failed (result -107) [ 309.156444][T12321] block nbd1: shutting down sockets [ 309.192224][T12326] block nbd1: Could not allocate knbd recv work queue. [ 309.266368][T12326] block nbd1: shutting down sockets 09:12:34 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0xfffffdfd) 09:12:34 executing program 2: r0 = socket$inet6(0xa, 0x0, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:34 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40101283, 0x0) [ 309.325417][ T27] audit: type=1400 audit(1580116354.891:72): avc: denied { map } for pid=12336 comm="syz-executor.5" path="/proc/slabinfo" dev="proc" ino=4026532099 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:proc_t:s0 tclass=file permissive=1 09:12:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x100000000000000) 09:12:35 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x100000001, 0x204000) [ 309.565416][T10466] block nbd1: Receive control failed (result -107) [ 309.576712][T12348] block nbd1: shutting down sockets [ 309.621178][T12351] block nbd1: shutting down sockets 09:12:35 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) semget(0x3, 0x1, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x200000000000000) 09:12:35 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:35 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x680401) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:12:35 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40101286, 0x0) 09:12:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x300000000000000) 09:12:35 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:35 executing program 5: ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab02, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff}) ioctl$SG_GET_ACCESS_COUNT(r0, 0x2289, &(0x7f0000000040)) 09:12:35 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) [ 309.947103][T10466] block nbd1: Receive control failed (result -107) [ 309.960913][T12362] block nbd1: shutting down sockets 09:12:35 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) [ 310.024610][T12369] block nbd1: Could not allocate knbd recv work queue. 09:12:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x400000000000000) 09:12:35 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r1 = socket(0x1a, 0x4, 0x0) ioctl$EVIOCGKEYCODE(0xffffffffffffffff, 0x80084504, &(0x7f00000000c0)=""/4096) connect$tipc(r1, &(0x7f0000000080), 0x10) getsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000000000), &(0x7f0000000040)=0x4) [ 310.071713][T12369] block nbd1: shutting down sockets 09:12:35 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40101288, 0x0) 09:12:35 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:35 executing program 5: r0 = socket(0x2b, 0x4, 0x0) connect$tipc(r0, &(0x7f0000000080), 0x10) pread64(r0, &(0x7f00000000c0)=""/203, 0xcb, 0x2e00000000) ioctl$sock_SIOCSIFVLAN_GET_VLAN_EGRESS_PRIORITY_CMD(r0, 0x8983, &(0x7f00000001c0)) keyctl$session_to_parent(0x12) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab02, 0x0) setsockopt$XDP_UMEM_FILL_RING(0xffffffffffffffff, 0x11b, 0x5, &(0x7f0000000000)=0x1022008, 0x4) 09:12:35 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x500000000000000) [ 310.310827][T10466] block nbd1: Receive control failed (result -107) [ 310.332169][T12394] block nbd1: shutting down sockets [ 310.362868][T12396] block nbd1: Could not allocate knbd recv work queue. [ 310.389321][T12396] block nbd1: shutting down sockets [ 310.414766][ C1] net_ratelimit: 1 callbacks suppressed [ 310.414794][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x600000000000000) 09:12:36 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:36 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:36 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x401070c9, 0x0) 09:12:36 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r1 = request_key(&(0x7f0000000000)='user\x00', &(0x7f0000000040)={'syz', 0x0}, &(0x7f00000000c0)='/dev/nbd#\x00', 0xfffffffffffffffe) r2 = add_key$keyring(&(0x7f0000000100)='keyring\x00', &(0x7f0000000140)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffff9) r3 = socket(0x1e, 0x4, 0x0) connect$tipc(r3, &(0x7f0000000080), 0x10) dup(r3) keyctl$link(0x8, r1, r2) 09:12:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x700000000000000) 09:12:36 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) [ 310.895686][T10466] block nbd1: Receive control failed (result -107) [ 310.905614][T12411] block nbd1: shutting down sockets 09:12:36 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x4000000000000000) [ 310.945592][T12419] block nbd1: Could not allocate knbd recv work queue. [ 310.969611][T12419] block nbd1: shutting down sockets 09:12:36 executing program 5: r0 = socket(0x1e, 0x4, 0x0) connect$tipc(r0, &(0x7f0000000080), 0x10) sendmmsg$inet6(r0, &(0x7f0000003080)=[{{&(0x7f0000000000)={0xa, 0x4e21, 0x14000, @mcast1}, 0x1c, &(0x7f0000001480)=[{&(0x7f0000000040)="fefb6f1ea0b8e52721f36b2a401184e63f6558522d20a0", 0x17}, {&(0x7f00000000c0)="4bbc002bc02e4534d59ce37016c58341b55978fc0a0f30ea5f81d04c2f063b2fe272c26fc5bdaa4487116cc98c66109429c799c18272e0f6efb4000b281c71a2f1f36cd6478ffbad72890b5c54b6c87552b18d2643e87c26a52efaaed849007bf2de0c5288bddb189fd875f147856910130ed89e463f3ae774cf17", 0x7b}, {&(0x7f0000000140)="7a2e668b6cba7bdb6e532e39ced385e84faf96f0d44cb5a1712d12e3a9dcde77b7cde67cb8357ee73bf40f64b69079162970176481de9cceee61b830eeeff967cf2346e5e9b39fdf41776da1bfe9c96e58dd3f62daefbb6bad4114e8a2f01c4fd513dbf0986c96975cdee1a74144a162c8c7a5343b7ecd124b1fe35637ba8df966110b5ff0779c4034b46829a1b87e0463badf1d59cc1f096c2e6e6d7c4b40115b60e27922cfac8bdb5ac1b283bae6c436ca6c29d0899d336bd1f5ab5e556cbe5326c26f718e624e082c5f69196930a4f8b575bbf1d0e9d0e5035b1271213507f501030bbd081e48391b8c3a1a000b6ab0c0f7bcf0d467eb343560a5af10957668bc2e2f09028d3faeefd173b1e4c813cde0734f05ebe91b00a73729cd145eec3a39935337918b88ff586ad961e4c15499037ae52a915866710dafc22268ef7089d885d7936c5c8f594abf6a5de8007dbba3f5d31a568d18b8df88576b590f2cad81f82b6d4c408b33b0c3173aff74a0c859e58f2fcb09a64b542b5e45b906d6471ad11057aa9e1debb0422a7072a68855de67401edff0855f781a6a6c6b94926146c49788a1335318aab8d3061877930d02a0bddbd1557d7234dbb04cab6fd460db1ca1c21da19b2fdbef9563447d8eb2be500281f674a1b3607e8c89b96f731f447276e7b2ff2f04baa03e8387e7b948ab5b7c08c7184e32999c5c874907469a9233ba2cb691122fbb46cd6e3b77a60a9183c7f18c756e369ea3d17eda003ab6bfd4df264c7be5c97231438522cb27618deb207a7a7a08afa48665883a2dc2cf8be18638b24e347e11e624b369ed58819de65e76daab9777ce19d7a5535e7bab212f618e9531fc6be718572af0425edb4472cc7723edb2b945946df419772b6daed59dc5aeb2459b5bb8e1efbfd02f475f7e53eff3798c7fa3e1311969da76ab9cc451f3bdbf31fdcd19da5335daec70a0a89e86430de1942d925bc423684ca6e9f2392a7269b25c54db1cf4ee0d379c061058208f2fecbb12312750f13ee3a0bd1e417a1d36a9561c8a1f4408bed22eff62cb4206bb6b5e73271c8ac39842192b247d4bb453f3a9f44b20176d0e3d1106bb0443c9e9fde32567a523dbfacacccd01f55553db7d9a9507bc3aae7ff8ef2b7bc6b00f1c60e82485a265bb2ac0286598a82998c3b3233bdea16593a4de83c748d15ba09e836adfb6953549df5615afccf061041a5a864841cbbb6d672b5b1e71354d78b132a4a310e66b89dd7c976f97a95e03acec0a241ff551b56d112ee894ff2e1d1424534a1ddb49de2f5907cd3712bf4b83d3d73e0d3e1a1ae79519a170dea781d67710862485336262886e68cb16eac7cf40915844cd5b38c330a58c7822043418b40787b221d6fac555526e166802bead1b9dfd3ca29af77993c107fd3d206aa396217186f68bd99b1f18f296ea6d755ad31616462e350156a645bae8004fa132c62884a498cb87426f192ea87e21e46518d9d3bacaeaa069ac891dd082ebcaf58ede18219176aa219e3c62a26278af3f211b8862082a4c74736c84e2a17041e7f54cc09865ea6dda3e71b6827487ecb2ce3eb1ad25d1adefeae79976be7cd67250f82a19bfa5bba81deb30fe9781c95d7aa4d5e6960937b03f09828f1124d80b5c909089a72f7e783d9d106fccb27d529335396fd0443737b0f6ee2baeec6be2faa1f115b392789592b74902fe74d97e415f29dd4e7675c13dcde1354239d879888625c539e7d36431df7b2a3dd0b679b40fc068a1e0a7290cb5d0c1055c7c4b2cbe7e2e550b746d25308558f1fbe09ba1633b4bda2c66c60bbfc1911d2d7a56ee00a8720b519e4dfd8f37f31372b8548e1a04a19887d9bfde752986c80e51d1202b0afa0bbb2883096aa75e4aa021734baa69386699357d4f9e9e2de469341b9d9543a5ecccc38f8e9e91012d55c33591ea98e0b0d3f9aaec452cbbc63d71ea96f3a657d000cc77bcb7e88ecb1157540ce5ffe7546d24b3974966f7aea79e29469e29784b5133f7d9a4a22bb8aae78b2f986f31ef3bd45dfb05e5e2ca6d5000bd73eccfa51a248d4c5fc3de8db206c56942e2bcd021f9a4f0b1287e5076250b22e56f1049d753f258ac658a9345e6c583aca51b16ee55e4931a737b595be5daccfe2c9bb1800f0031d9ece28151df4f226accbd486ff30a87c6a0640073d157ab2787c17e3d8fef34738bd77ce4fdbbe8464576cd4415cef38a0759f7478b6d5c15cd2577934c2e114d8b918987bc6c6e1e67ad940235bc451168e57fb443b895bc3160c4403454964235889a5ac30731b4db71dbee2269d448869151cf888a5d168e30ab371569c31aeeabdcaba38ac36aae7041706a7901d9876a799607e6322507905dfe8fc3f0faebc86f5ee6c045cf0132a298c6a6645d86439bfa92ddd8ef30d51c5c1513ceb2885969b7201e3f6e2012a052090e74e6d5815b632456be935ca2628bc9178f21afc00019d39fb0f8cb0619808892fbdb3c77af6b51425614364c4b95669381a4893f2dd6ae7910056dfde0e9b7c0f71f059acfed34daf01380804fc10485c1d0c99ed8d9f113b7d405d637f4feccbc15a8ce10555d85410e0c7e5ea1a847ad6eb4442aaec13f7c1c7e6f051fbd59e3e10e91ed05d2e82bec4dbdb9096f5aecca6959e05f4fe41bd0070c8c2a06401457d452b614b1b108da26e7c3793b20f90b3c9904092317a561b726b884f6f4dfeca0b7ba2e7cc4b5ce65b92c6af474e3a938d20a9b0952919c5d6e2a937cde628f27d031a37983558874edfe65275444f55fb4995f2f24c770cfe0a816060259fb6d4e97dba1b711e5c6f1136dcac6c65d74a193b3b8313cbd7bb010873f6160f5185e679e431a3eda7117574c7862379e06f52197f780dac545258720f26299668653ad7ed76bedfcd513170476041fbafd924dd5b39d1cd3cf50a14965f536ea4e1915fee514f826e44ead8be6577921a03c14f71ae032e62a226db3853c6121ea0da010898d3ea9b82ff0151fee33d0c490e2cd54f453f7a9962dac13f6218c2f6acdb1b7fb0ca291864a1c193ab49f2e5036b3d099f84e50f42bd9482fab006533e190777f2d73862fb904b307416b7e293e769beae21d7bfabb612739854b8eb8864e539e0fc3fc22ae5fe712219718c12af4abaa3831fa4fdc21cffb9ccb87b08322ea8d3a55a17b18be7fc91c47a64af93b656521c05608617de6cb9f4ec7ee379a99ea57444ed9af9f4a305b4cbe88bc4e5f88e93f0c13b01df3ddc0bee2a2efb474d06f0b9b62829d34c01421c0f00acd9c16da0d0e76652113ebeaf53c59f6712c7131797631dc6a60f517e6aa4e33e89e960dc42cfecf361de232b6984fa8653971f4683376b7d44606e0ea6017e44e899993aca79819a7d5170d396b937d16a74507d377f9573231d5c6ea2b0743bfc46fd01178c97b48e8d5505c6e3fa6933911a804cdaf95d421f59e5f4590e2a2d0f39cabe28c4e765e97e950fc6c2f105fc6d62fda34032abb1304efa56e18d6336e6f17cf894cb49ffb6af5e9ced6dba6b4845e18bec91842c807d8658bbaa7398feef17c59ff0eb25eb6bdfe617876ff1a348679827255f1ca74d820d28941ed2b86b5b2786c2b7eacbf821cef2c36d2b5115e2d0b79d77137d220737b021fd83c403fec4479899f8dbb817058cbac85aefca0ff21e32fe7d9485f97d00caea3692fac2986b81bccc0ea304511ed7603dc707edc844b4899558139abbae7a0e614373a8eba96aa36df6d663d0e95bbb9769669bfbe9d8facf5d10bcbb86931b3c418d7241942bd2768bf1504400629d3bd95b460265462a062f7f1988236c0736bf8d2273a621a108316886de5a06c300e9d54dbd2a26e659167ade0de3a8305b3be80c608e11721dda033597220d0d13f11009d1aa566ef539b98451f82a6759e02d55344981147edc96d0c461c312666027521365eb315f4c935e73dd81460e138b08035e3998e77150391a720dddffcee83d761d8533e9f43d74447e4d8e00ae60bae092c49d30e0259d1f69decac1292e1bb0402f853bbd562cc69943111a66f52a8609fc9fa8727104ecf6aa599fbad7e85d926034c270ca8b801604dffec1c7d928ca23e255a1363dc9b6e5b705520d29c1058ca6a4a012e5748dc32d29384a5df24e0b07b97eb0e65c22a96a2e53d8e090084a2b23f4f6a643729a4bfe181c2b3305d7245d3198f4141e8703268d32b48de0fa921f16d77a051332a06c4bb44edf47a788573cad3415ef5e1c80d87367a1d3a12ece8c7cc3b9d31e53fa1518aca19628e3c40b009d8ebb2bcb81da3d085e818b907e54d0efdefe9ec25c211e5026fadbc4aff44c6a1164e38da371113e584609fad9266bb71a97d534c4e13be0c2416774fa8942da61b238a8c6569ffca77216f11dbe768e58b9dd77b9b040e3bbb12b4570979d4c445e0934c462de8d51bb691936f6047e2d81058d120b060f7f105a5b00baa2998e5383202114a49890c631475f77a87dedebb4798b1950c161699f75826cc718722f461e1cf3483c7c254c88ac4f783de7171ceffd2916715c21c50639d6f947b52ae2c81305f5d47fe78f6c7c60dc54928e1ce8569a262e6df8945898f58ab86350deda19c2d7a038b84276e577f968bab90a9a6e1e5ac4fbcdb627bacfdcb0c41c605a2d556b1b11e7b03f03331498c0fac2627b0f0ca0ae703293c1e6ebaf49d5b1afbc217edb7a4de124eb2ac25a5db9a53eb98b8d71bc69b817c4ec6bf2e92794f935d4fb1d8b18a05cbea41da4c29c298298f3bbc436288695cda48f3af01bdc43d7e102645996e28a8213e60119c59407584f6ae1eb8b54508a972f1ef03b5f054bfa387c1cf444345f4e2ef707cbd193ce81cf853b655372278514b7d7cca675a2a935010180eecb32d8999db1b5306085022dde4668c4f50b1d4455349170ac9ad5017403cc6687870452896dc9fae199daef2eae93c9e50db29e961b8835124a53b3f723faaf3908abdaff36268e08125410d9fe43c00be5965e459b541328ee470eeacd35f8da1cb16620336e586e6249809e10f91c0d60ac3728a7580de8ffbdc39a91991251aaa950e0c28c861dfb60704e1321c63861885ee849abd636173ce32f555d88869441a015d5f77b9f1e4e819ca3b3fc6467bf41ac6ffe57ab6cc5fc0a45c1b8f4fa9e945e398ede3874f631395f255b927ede8e07660d433788797db337e5863d86e65e49b6d57013e687dafabd74693ecda21890b9307497ea5e8e76f7525671209e036d71b5346035f38ce0b23cd66f62c024ddebbaf9f4c3639f7f89bf720beb0f9b71d64a1e82b790e470845e176742299de0dce0ea1bf64e737fe4dfeb295cb6208c71c001b02bab252550c37021a5dfc45d2e8c34aafb5a909cff3acc6c4b5dd4456ca834105204c86b1c924c22b115f92b4b26366b74682df085a065986e3cf0d9a6b440548315dc318325f1ab473561c441a1569fe0c310a9066598aba05af119a14436444461f1defd1b75435671027422465198e47969a38453e30fa77c4812973260d2ba7966aa8a88658adbd64dde33eb2e9a69e3c1bb77405a36bd4128dbb10b3c0cc315fb3a1cfffd4b19e2e937615bceb5f8e19566136dd117e2eb46eb2cd2c30d9ba612c49f8de81415afd8f3795e091c414857e677a4c7688358d13e938fc242442e457afaee000ca31a2e9bbd354f5a8ce01cf164d89266b5712095bcae74b8adc5c3aee5485202ae716e08492845a46950bc36b64f9ea30a3f6", 0x1000}, {&(0x7f0000001140)="eecc9bd1938e6f5c42fc7899fb308d6dd54cef55378cc277329c327139f66e53607c0366386c", 0x26}, {&(0x7f0000001180)="5734afcc30c51ebd68ab8371d002c326f0a572224a7eacfa968e4019d0efcc6617e420ea09c6dc47d148b535cbf14e5e591f4bc9135e27aa4c3e275178a9ca06153abdea4ef6aa52b50808e03f8439cda10243cb7006aba0919fada31d4dd4d78bbcf1c39727797415339a6355087a576819cc9f8bf3eeceadcf48a7e391a0fc248d73487b6e9748e2fd387b068964872e2b2ba0e028257867e027271b70bc33746470150373be6b75acbb1e17d50811b96f2f153d5613d4925d257eada75de175008ce01d9d621466f172c3ccaf13bb972a0b1deefcd8d887b97e6316e739cbef1732f1d59310c63a02d4c88c29677c01ad715019942e56", 0xf8}, {&(0x7f0000001280)="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", 0xfd}, {&(0x7f0000001380)="2c783a0a674732505a0cece824fed0c7cdb48d5bca59fdd1d5aa11acc87ffc3d258c8b3fe8217539783c26d02080552e21412cd624f6e44479191b200e927bdfc7b94606980ac3c9f2f2ada9970da22921fe5dc7b243faa4754dd1273e92c8cb2cd09ecb06573cc53a90a277a35b1e5937cdbc97d4f8f537a2ddbd85b2a3deb8a1a7ffeabe44b37b75c939f23c256e901eaaa1851aeed99a3d520a5aa4468447de8caa2fe50bb485a0eb1c414bad7c6ad3275d7db0bf77b7000f30c06daecca93a90b466011d900c0e254a883cb1d20a60773a3f3ef68ff729b57a21c0cd7cc85b0d80e0a9fcd3", 0xe7}], 0x7, &(0x7f0000001500)=[@hopopts={{0xb0, 0x29, 0x36, {0x1, 0x12, [], [@generic={0x6, 0x92, "09c37afc434ac4c25a6d87c4a813c439a8b9997905e1a69bfe02804bc3d776488eb11fc07b82244e7575116ed1cbe5deef720d2612b9f2c00ad59f46d6132c93277415fe58daffb945087af7c53c28d51a0c29e15a1167446bf020c207467c14e2872103aa5d0a3f69f4a24c6e710e4aeb3acac6471f7d6703e798955929eff4598656dc37c7baf420140681d8229aad2cd5"}]}}}, @tclass={{0x14, 0x29, 0x43, 0x8}}, @hopopts={{0xa8, 0x29, 0x36, {0x3a, 0x11, [], [@calipso={0x7, 0x38, {0x3, 0xc, 0x2, 0x3ff, [0x5, 0x5, 0x80000000, 0x6, 0x80000001, 0x1]}}, @ra={0x5, 0x2, 0x40}, @jumbo={0xc2, 0x4, 0xff}, @calipso={0x7, 0x28, {0x1, 0x8, 0x2, 0x7, [0x200000004000, 0x4, 0x2ef, 0x0]}}, @enc_lim={0x4, 0x1, 0x1}, @enc_lim={0x4, 0x1, 0x80}, @hao={0xc9, 0x10, @rand_addr="16289e891b4a6706a1e9e3e863f18bc2"}, @padn={0x1, 0x4, [0x0, 0x0, 0x0, 0x0]}, @pad1]}}}, @rthdr_2292={{0x78, 0x29, 0x39, {0x1, 0xc, 0x2, 0x81, 0x0, [@empty, @dev={0xfe, 0x80, [], 0x2c}, @remote, @mcast2, @rand_addr="330c91cdcf643444c83bc8e8aa507f9b", @empty]}}}, @dstopts_2292={{0xc8, 0x29, 0x4, {0x5c, 0x15, [], [@pad1, @hao={0xc9, 0x10, @loopback}, @generic={0x1, 0x93, "bda6fb880a3a96d720ce7046027a25d8f3f64f6da56b43e4f4fce69346445ca3f38e2681b6cf6267318057775d8df5db354cea2a78bc6613c647f52f47acdfa3e1e86bdb9dd755f80b69f2ab65e158dca9d57b71f50929e305e92b532a8603335c3f7b4225f8a34f0facd2ca28f98c4b141fdddfaaf4fbbab58512dde83dc4202cdda8f557ac0efe5ca4accd4daf292235fe0b"}]}}}, @tclass={{0x14, 0x29, 0x43, 0x21b0}}, @hoplimit={{0x14}}, @dstopts_2292={{0x38, 0x29, 0x4, {0xff, 0x3, [], [@ra={0x5, 0x2, 0x5}, @ra={0x5, 0x2, 0x3}, @hao={0xc9, 0x10, @rand_addr="514246e80c38e7f3a2965650e505f3fe"}, @pad1]}}}], 0x318}}, {{&(0x7f0000001840)={0xa, 0x4e24, 0x1, @loopback, 0x1}, 0x1c, &(0x7f0000001a40)=[{&(0x7f0000001880)="6554aeaf39a47ea262b24a9c0de8313ad067b93e1b21f56d5b448b63a794c95fb573690c9ae43e102489284aa1a2407173f7963ef2bf5f80822488408fecc826c99a4d056521398b4a32560222f94d3805677892d5fd94e36289db467faf515c473be4b044b066a0928120ef285040aef04b", 0x72}, {&(0x7f0000001900)="732219ec377f2c6d9d087021c1d04b21e9e30454141dcfb07272a7ed061af4d4d56c15edfcd665890a91e2eeac5f1ba1b60144a1288fd53942ddc56567856f70bd815dc5ca476ffcebfc085aa0d5f5b01ad7655dc060eb7bf1ebcf8f9fc2282170a17109d549d9473d7c926b043efcce86ac05d027dd6d8b4718b76cd160cd694a788e856852787c86b6cc1013d3c59ff1247322eb78fdd1813b1fd10fd98c0010eacc6ac1d3496db51e56", 0xab}, {&(0x7f00000019c0)="f16c9cc9469f716d2aedc2de3066575d4df5fdd6c9d32f460a61534e2c86cfdd6e9c01dad4ba57064c5e8489c2c6f7f349863497ba6cbb0c92a2362d5ac9d236ddc71ac5cfab4b342cc61aa36a58cc1120da909b470f43a9bd4ef3283842aef18f8ab5aeb8f10d05ef726f172e4814b8", 0x70}], 0x3, &(0x7f0000001a80)=[@flowinfo={{0x14, 0x29, 0xb, 0x20}}, @hopopts_2292={{0x18}}, @hoplimit_2292={{0x14, 0x29, 0x8, 0x7f}}, @hopopts={{0x50, 0x29, 0x36, {0x5c, 0x6, [], [@pad1, @padn={0x1, 0x2, [0x0, 0x0]}, @pad1, @ra={0x5, 0x2, 0x80}, @generic={0x0, 0xd, "95d756d0333a1b61cd54e40375"}, @pad1, @enc_lim, @ra={0x5, 0x2, 0xfff8}, @ra={0x5, 0x2, 0xfffb}, @jumbo={0xc2, 0x4, 0x5}]}}}, @rthdr={{0x88, 0x29, 0x39, {0x21, 0xe, 0x0, 0xff, 0x0, [@mcast1, @remote, @initdev={0xfe, 0x88, [], 0x0, 0x0}, @ipv4={[], [], @broadcast}, @loopback, @remote, @mcast2]}}}, @hopopts={{0x30, 0x29, 0x36, {0x1, 0x2, [], [@hao={0xc9, 0x10, @mcast1}]}}}, @hoplimit={{0x14, 0x29, 0x34, 0xff}}, @dstopts_2292={{0x1f8, 0x29, 0x4, {0x2c, 0x3b, [], [@calipso={0x7, 0x30, {0x0, 0xa, 0x6, 0x559, [0x5, 0x1, 0x3, 0x20, 0x9]}}, @jumbo={0xc2, 0x4, 0xf6}, @generic={0x1, 0x74, "a62dee04d6fa6db758197bd471fdc1821051febd87211337afdbc08f7a59dec1d9ac0518a1bfd1388e4a608e659c2fd8ece34fe93630dd794d94db3b95e0c9961a1e41f2529f583f4b34fcaf2ebd36c3736b3e0a6e07585865fcdd2e42e0c2a2d43efaacba05e9785897d5452fdf07fd48fb656d"}, @hao={0xc9, 0x10, @remote}, @calipso={0x7, 0x38, {0x0, 0xc, 0x5, 0xc6ad, [0x8, 0x5, 0x1285c43d, 0x2, 0x6, 0x60d6]}}, @hao={0xc9, 0x10, @loopback}, @generic={0xf7, 0xc7, "451fbc51d5510aea42d29080c43bc3f9f0fdf48e30e64a9d9c6914d8f4e584fef1cea58a05f78572107e43c48df27c7d865f6551764e449d4fdc16a333cb17f8ab89773db5340012def7e8184dd805f3a863c2d8eaa7788a0c69c8fdf100a73dd8d141bb4001c5ce9a2a758e31737deec704269281629c9d9fc0e0b13c0eceaadbe274ef1742f09eafbbeb6b0c4688e429bdf087e3c6ac1964fe5bd8bddfa053d9adbe5b64d2ed6a290af88f6da03a8504d919538c842b1781999bacd4c2afce95f4ca499236a7"}, @ra={0x5, 0x2, 0xf28a}]}}}, @flowinfo={{0x14, 0x29, 0xb, 0x8001}}], 0x378}}, {{&(0x7f0000001e00)={0xa, 0x4e22, 0x7, @remote, 0x4}, 0x1c, &(0x7f0000003000)=[{&(0x7f0000001e40)="b9a5d975bec55bf2c0bc104aaf88e0e04546158540d55f6720e4a231944e542c5c1c758c85106d6cb797b694f516a2691ef1465739bc25f0148b6cffb73250cb67358fbe0c219bf5aa195cc3e9a9cef5f92e1feafe659ab8222db4af533d8ed9ef3217594ab37aca48bee62e2a2cf19d8b7634bca797581210459b86607f5003d88d8c5ef87695b0a75a796b3c294dd683f19c084bd799c2477193dd5fea41c99baf443073a36a1b76b435ffd10fca78841630992eec97f6105315d07feacda52ad31b76b37e4dc2db27cb7aa0bf9ff80c25ed51026845bb91da785c8580c7c86f55c502d7dd9736f09aad497adcdcbce7440491dca9a0aba5d01cb11dee16fbaf2fc8d20d5b66448073b85cb8f79d60adc1fd31dbbba38a35a07fb21eed838c9b4b2f8eded7aba59600ec9f7990b3c253de2b4a8926e8913ea5ae6ae38c51ec139607ad8994bad73e79818adf6a472728be77263d1849d048d0cf9a5eb07cacb216ff6f45e497c2f20d7210b97204d3f8ab84ecab559ebc9dd93eab69ed26e19b800465a3f234f57c241e8f6ce57d41d27e1891557de9a52eeb1f065db9a6d335e84212578f75e89e5d15c7a876e3ed5212ecf96574b549125fcc82d8d70373dc47ef1b41a677a460d95106d02627a6766b8f5b77784de7ec51b5fcee1dad67fc33b86eb39f06e47b718bb46b532ba2aae444dd44c77b46f1dc06ba9002c10579d8cce75789c305a901a9d991bd41efa96e8a2da4fbc6904e790325fdf27ca239c7148ab606d22423d04c5375cebc19806595c1c48562a923078de52d4c41c7e96b6d400ff936d7e458a87d3feceae15ca6582e171ee77158d7be0de935a900cd013335eb980a0a8d581a7e233e90c2f3c79c3f44a54bb8a7953e075f0d9f61f06d380afd18c15554536e34c20b5644d2e2d73e21c8e34981e824d5c2bcb0e576613c24b3f17393be8bae09b02caea00155d24078f1489816520d68043750d2206a6c37addf3ffe07f98ef7afc9758eea100396b299b987eafb5fb285202a003402c988d20d29f44265bcf1253bf43058993b03464c614d560f4fea9fad1dc652ef15b880aee2f2fa27dbd8c95b7b451caa71fad4ef7fd359bfd129c45f636bc3c4e53eabf1bda2b71af3a3e59ceb89c8271817f2fcc263fe9c2dd2d33c962b6f46676d9f5bbb5343d15108c10908290bedfc4ae9b0a4dca8000ac56b56e89a112578668a7d6368e411347604869556c2ca330ef08e233faa0c0b396ca7cb2b0e22557a17ef4ae2b89335b89712d0f23f1cb7c131e5a9fffa02be52c013f86adbd98f61d3dc9f21c30373043f09e4d9a3ed87793dfcc2bb638e260db92dd961b701c4172510b33ba58863c6db090a487ea556178c4b9cdcd845a5f7e4d5aa100eef75a689e78f35ac088bcb970362fd7f4c931f06bbb258e0616c1aaacc0e2a199bac9393bb35ffab6bd6f861829a6fd93fe87a2c36f7f552c6aab4afcccf578c0bc6b2a14b94dfacaac6a150ec05dad652205db6f8d9a9f36d16e2c09203e8bd8096cbb6f8e13ed589519926fedf4110b323ab341ba1ad2f498be10a820e8201d7d554d3acb64edd51da9b83ad4591099b521c61500eb2e1e73631698129cf1dd654ea15c2b24710f75f800728c04b90a3e41aff7a986de946786204d9dab95dac5cc7bb67bc8d57a37ffe3eabf554103408a67fba4df8f981105c39e90ab2dad723731247064f147e0c494b49efcc29534108bd71c85bd0e48fc3d47a6bfbb5b6af542f4da1f030477a67033b197df3e52d966f6c30111ed0dd4d8848e8d85ebb714611794e71e38f6a1d47596d107febdb2484db534b52b8d4db2fb155bada4576965a6c35ffefe0be597d245ab96790a2784c5ad37edb0c5c4cc27bed3adda0daf26adfed1b0fb05e3c1eb5c35c81f984dc181746374d2573f04643c53230256ba35a170d9cd40b22553d85c82b2c73d2a94452800f0eae7a9efae7180955eed9fe0e1ef2c6ccd58b1bce540bf1f735ee47e6d726b0e33dc933bd9e542f92f8108376bbcddc3e3b4e3a6b0c02e6a75af746776044658e6168eb542745067a899a9224e32232092ef715e3cf3fcc7c0ee514013587b15c1fb778f11675fdef7fce59f8075381ef069c26d6a56daa176d78e039d94c9bf2ee993a7afba5f557824600730f8ef31491d41d576d218cc6e635ae43d334b2ff099c234a21ba2412430301353816f8d3b67fb0e43af9d360315c03e1f7480e4594d7a22f283569a8dd372b5fdc8f7f8666d7f44f24786c8770c0e0ad1d37ce7d7bcb09092ddfdcf72e8c17974d17f1a3231dd573e1b39e7119a098da520d5f637ec0d1210cdd5437f22673f5d8322db9d450cb8a00c1ee5b754b90f7e8c8e633e3b74baed23dc8728d01a440c815fb3a34d6ef329de064e3b5a3459e1868fd26ca1c59bd7a8e03be7cafcaf32eae21b668fdec9899b84ea2cda6fbe33395031a406061960c9f5da3d1f8fbd7b37d97a8bc9fbfa1b16206a1d399ced391753dc86868a0ffb05fcb5773343448f666a43f72ecd8e67050b6295f29c6bbc007887525ed0e06621ffc63ea5948f64a2348310c53e86d3aede478544cc072fd93e7dc6279542a5036ae8a0f858c5182e87855bffcdbde49a5284fd674a69890edad5064b4603c38fdd628f8b7d15afc8e1b5de8981363773e5ec8d35210f3ea996aaa78fe4d86c89c8de4e8affb041051fc3f21d83ef67cc545e5d96b72cdc8560e3916201346773a9e8f3668b670e503d7969220d600722ebec1f66919bb86ff6321ae251d32f8cf108a4f59fe5dacb43c09481f5adf85a6bb769026f31d733dbcd03106f7d3b1a30e3c7ccbb41ad5f962d8a55c2fb5a1fe96939219dfd3fd6460d572f05d5ef5e1f4feb2571089a16eb47817a2d4ad019606264eb9ac948c5bf406a75e40ff2b76ca40c3f24ea9ddf311b66d3ad0de462f9c0a49fe5a7e7efc7f67e98544fee338dd6347ad45c8c67f82ee788950f998fa4d1c03f0be659d1edb67eefa77d6833efcab96d6e7b62684013f25810bcd5dc4c4bd5ea7fba48eaf8e24f90ce3341e9b50a2ccd487490ae36d202928e3887f9cfcbe41ec91f34d1e969117c307662be66e221c05cb4e5d48dd74100a7037bee3c10f4f1715d3a8b38152629c2a03e04e26ed4e0e0167d278a3873e8398fee597412a2be733506a0c17bbc91a4166bddaddad9c041bcb50a0f79120fc90f8949ffe84880cc39ce2bb2d4690f10b01f36a7024943659a7e9f99f95ac6122fa3e5ac4aaa2f8f628f29f947e9570604f3b055482d519acda43ae125d0393f7dab8791897e6bfd5813fe10e5116ced0dd7da3d26e0344d60efb15a53c07a826f661e9d9b1fc1580d63d0447ea56198900586352c1503739b4cc425d4d53c6e0e7263a675cd45c92a8bdaef9262c33876dec5a27af16a69e46c7d7e09b78e1791d210214a4ef8c4785dcf2c0cf9a7e5333be2e260c43cd3d14dbc573568df2a2500c54354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0x1000}, {&(0x7f0000002e40)="c45feef2f5d5392a34da467975686a54dd8430d3cd801c621f0817a8f489f05759544120ac071516318343756debfdcd068cd167c7cb5751e3bf4fe35069a71a40dc5b660cb846bd0e", 0x49}, {&(0x7f0000002ec0)="9e75f772358f80bbb3fbbf0df5c32233917884fe7c561d09c1912442ce6ae30c8959db558fe61a79bdd309e7957b5ebece1637ee1a3aa9f9484ba6e9b5", 0x3d}, {&(0x7f0000002f00)="8e9d8a6753fb35a5924eba3e9d3bc152b7ec1be712a059347676f9093c457b34e67241e6acf4f00cf1d19df28c332a27a85b6042d341d788672a47a2d1e9f0626bb7deef856725ca0ce97d84c83d4a1193d8598b3ea689f8f41d18ee81aa6fca6b83cc27a5d16fb577a3cbce85ceddc349108daa74fef33653457dd3063e6010776ee093a6697dd2571f489e533ff612734049754dcbb653dc683f9cbca9bfbd97f2aafb7267ba5c3733704c6a6857e2568547b52f276dd50a6263a567ecfee94521230867a12bbb633c59", 0xcb}], 0x4, &(0x7f0000003040)=[@dstopts_2292={{0x30, 0x29, 0x4, {0x2e, 0x2, [], [@pad1, @padn={0x1, 0x9, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, @enc_lim={0x4, 0x1, 0x3}, @pad1]}}}], 0x30}}], 0x3, 0x24044000) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab02, 0x0) 09:12:36 executing program 2: socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:36 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x401070ca, 0x0) [ 311.173813][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0xfdfdffff00000000) 09:12:36 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 311.267539][T10466] block nbd1: Receive control failed (result -107) [ 311.277371][T12439] block nbd1: shutting down sockets 09:12:36 executing program 2: socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:36 executing program 5: setsockopt$inet_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f0000000000)=0x5, 0x4) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) [ 311.368553][T12441] block nbd1: Could not allocate knbd recv work queue. [ 311.393602][T12441] block nbd1: shutting down sockets 09:12:37 executing program 2: socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:37 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000000)='/dev/null\x00', 0x4001, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = dup2(r2, r2) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r1, 0x28, 0x1, &(0x7f0000000200)=0x6, 0x8) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x8) ioctl$PERF_EVENT_IOC_SET_FILTER(r3, 0x40082406, &(0x7f0000000180)='/dev/null\x00') getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f0000000240)=ANY=[@ANYBLOB="d77c941f6526da22219f35159e6591b622535696291cbb6dffd48ca34c02cc212e1bb8b92f8287a9fdabce1ae8e7c564d7c8db17980fd20dd76b0a9f895f5a77bee1a2ecb0587fd23d74a4baabb32521f993f560bf6826a743", @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000a8a000)=0xc) mmap$perf(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0xb, 0x12, 0xffffffffffffffff, 0x101) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f00000001c0)=@sack_info={r4, 0x6000, 0x80000000}, 0x0) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000040)={r4, 0x90000000, 0xff, 0xed7}, &(0x7f00000000c0)=0x10) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f0000000100)=@sack_info={r5, 0x3, 0x7fffffff}, &(0x7f0000000140)=0xc) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) [ 311.442669][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:37 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:37 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket(0x1e, 0x4, 0x0) connect$tipc(r3, &(0x7f0000000080), 0x10) r4 = dup3(r3, 0xffffffffffffffff, 0x80000) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$TIOCCBRK(0xffffffffffffffff, 0x5428) r6 = dup2(r5, r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) ioctl$EVIOCGPHYS(r6, 0x80404507, &(0x7f00000000c0)=""/100) r7 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) ioctl$VIDIOC_G_PRIORITY(r7, 0x80045643, 0x2) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:12:37 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x401070cd, 0x0) 09:12:37 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, 0x0, 0x0) 09:12:37 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:37 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:37 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r2, 0x84, 0x1b, &(0x7f0000000040)={0x0, 0x49, "31b638b2189af65564486f54768a5b0a8d5240e33e66507196e6a2c88d3cf012687a98ead17cf5bc4cb712c6385264d1822da5a906eeb98204669babac6d52e1767da975065e2f7e8b"}, &(0x7f00000000c0)=0x51) getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f00000001c0)={r3, 0xac, &(0x7f0000000100)=[@in6={0xa, 0x4e20, 0x10000, @initdev={0xfe, 0x88, [], 0x1, 0x0}, 0xfff}, @in6={0xa, 0x4e20, 0x9, @mcast2, 0x7}, @in6={0xa, 0x4e20, 0x1f, @mcast1, 0x1000}, @in={0x2, 0x4e23, @rand_addr=0x8001}, @in={0x2, 0x4e20, @remote}, @in6={0xa, 0x4e22, 0x2, @mcast1, 0x7}, @in6={0xa, 0x4e23, 0xd66e, @mcast1, 0x7fff}]}, &(0x7f0000000200)=0x10) [ 311.722199][T10466] block nbd1: Receive control failed (result -107) [ 311.732099][T12462] block nbd1: shutting down sockets 09:12:37 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cachefiles\x00', 0x240, 0x0) ioctl$SIOCGIFMTU(r1, 0x8921, &(0x7f0000000040)) ioctl$PIO_UNISCRNMAP(r1, 0x4b6a, &(0x7f00000000c0)="78e7d346c1bf0f6e83db975f42631b689fdc03655d28f57ddfe84dafd929e4c19140b372fcedd3581612d02eb7554d1e0dd88aa5fd8eba00d9e6aae45947e4da75378eff9c5cf7eb1943b473e2955807fe76a00e6a384ed72a67ac79d0c73fab53d6193b8abdf95cd8055b97144d3c5ee862fccc3890d55c69955dd2eb735af51e5c1d7172a9315ddff342d79ca6022c965f00252660d4") r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000380)={r3, 0xc0, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=0x100, 0x0, 0x0, 0x0, &(0x7f00000001c0)={0x0, 0x1}, 0x0, 0x0, &(0x7f0000000200)={0x1, 0xc, 0x3, 0x4}, &(0x7f0000000240), 0x0, 0x0, 0x0, 0x0, &(0x7f0000000280)=0x7fffffff}}, 0x10) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f00000003c0)=r4, 0x4) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:12:37 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, 0x0, 0x0) [ 311.774322][T12464] block nbd1: Could not allocate knbd recv work queue. [ 311.846795][T12464] block nbd1: shutting down sockets 09:12:37 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, 0x0, 0x0) 09:12:37 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x40186366, 0x0) 09:12:37 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x80080) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) fsconfig$FSCONFIG_SET_PATH(r2, 0x3, &(0x7f00000000c0)='\x00', &(0x7f0000000100)='./file0\x00', 0xffffffffffffff9c) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) syz_init_net_socket$x25(0x9, 0x5, 0x0) r3 = socket(0x1e, 0x4, 0x0) connect$tipc(r3, &(0x7f0000000080), 0x10) setsockopt$inet_sctp_SCTP_NODELAY(r3, 0x84, 0x3, &(0x7f0000000180)=0x3, 0x4) r4 = dup3(r0, r3, 0x0) r5 = socket$kcm(0x10, 0x2, 0x10) r6 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vcs\x00', 0x204000, 0x0) ioctl$sock_rose_SIOCRSCLRRT(r6, 0x89e4) r7 = syz_genetlink_get_family_id$ipvs(&(0x7f00000001c0)='IPVS\x00') sendmsg$IPVS_CMD_NEW_DAEMON(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x44, r7, 0x1, 0x0, 0x0, {}, [@IPVS_CMD_ATTR_DAEMON={0x30, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_STATE={0x8}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'netpci0\x00'}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @multicast1}]}]}, 0x44}}, 0x0) sendmsg$IPVS_CMD_GET_DEST(r4, &(0x7f0000000a00)={&(0x7f0000000940)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000009c0)={&(0x7f0000000980)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="080027bd7000fcdbdf250800000020000180080005000100000006000100020000000900e6ff6c626c630000000008000400ffffffff"], 0x3c}, 0x1, 0x0, 0x0, 0x810}, 0x40) ioctl$FS_IOC_SET_ENCRYPTION_POLICY(r0, 0x800c6613, &(0x7f0000000000)=@v2={0x2, @aes128, 0x2, [], "5684352dede8046e7fabbe816dbe39d5"}) 09:12:37 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:37 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0xb) [ 312.041222][T12482] IPVS: Unknown mcast interface: netpci0 [ 312.072837][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:37 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x0, 0x0, 0x102, 0x8000003}, 0x20) 09:12:37 executing program 0: r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$SG_GET_REQUEST_TABLE(r1, 0x2286, &(0x7f00000000c0)) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0x125f, 0x0) socket$kcm(0x29, 0x7, 0x0) [ 312.172071][T10466] block nbd1: Receive control failed (result -107) [ 312.181483][T12485] block nbd1: shutting down sockets [ 312.220351][T12489] block nbd1: Could not allocate knbd recv work queue. [ 312.277280][T12489] block nbd1: shutting down sockets 09:12:38 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:38 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) prctl$PR_GET_SECUREBITS(0x1b) 09:12:38 executing program 4: perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:38 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x0, 0x0, 0x102, 0x8000003}, 0x20) 09:12:38 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x401870c8, 0x0) 09:12:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) pipe2(&(0x7f0000000000), 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$inet_udp(0x2, 0x2, 0x0) r4 = dup2(r3, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x4081ff) write$FUSE_GETXATTR(r4, &(0x7f0000000040)={0x18, 0x0, 0x7, {0x6}}, 0x18) r5 = socket$inet_udp(0x2, 0x2, 0x0) r6 = dup2(r5, r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) ioctl$NBD_SET_TIMEOUT(r6, 0xab09, 0xff) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r7 = syz_open_dev$audion(&(0x7f00000000c0)='/dev/audio#\x00', 0x6, 0x80001) r8 = socket$inet6(0xa, 0x2000000080803, 0x1) ioctl$TCSETS(r8, 0x5402, &(0x7f0000000440)={0x2, 0x20000000200000, 0xfffffffffffffffa, 0xfd8, 0x9}) setsockopt$inet6_IPV6_XFRM_POLICY(r8, 0x29, 0x23, &(0x7f0000000100)={{{@in6=@local, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x2}, {}, {}, 0x0, 0x0, 0x1}, {{@in=@multicast1, 0x4d2, 0x32}, 0x0, @in6, 0x0, 0x0, 0x0, 0x8464}}, 0xe8) connect$inet6(r8, &(0x7f0000000040)={0xa, 0x0, 0x0, @ipv4={[], [], @local}}, 0x1c) r9 = semget(0x2, 0x0, 0x200) r10 = geteuid() fstat(r8, &(0x7f0000000600)) getsockopt$inet6_IPV6_XFRM_POLICY(r8, 0x29, 0x23, &(0x7f0000000680)={{{@in, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@mcast1}}, &(0x7f0000000780)=0xe8) getsockopt$sock_cred(r8, 0x1, 0x11, &(0x7f00000007c0)={0x0, 0x0, 0x0}, &(0x7f0000000800)=0xc) r13 = memfd_create(&(0x7f00000005c0)='user\x00', 0x7) getsockopt$inet_buf(r13, 0x0, 0x31, &(0x7f0000000480)=""/146, &(0x7f0000000540)=0x92) ioctl$TCSETS(r13, 0x40045431, &(0x7f0000fddfff)={0x4, 0x20, 0x0, 0xce}) accept4$unix(r13, 0x0, &(0x7f0000000300), 0x251210b2d6076f01) write$P9_RRENAME(r13, &(0x7f0000000140)={0x7}, 0x7) ioctl$TUNSETTXFILTER(r13, 0x400454d1, &(0x7f0000000380)=ANY=[@ANYBLOB="01f5aaff04a6afbf4b133c0512b4b4db288aa8a4ab7c22f9a9f81c9ca3e207127026f6b45a383cc669ee57755276ec8eb730"]) ioctl$sock_SIOCGPGRP(r13, 0x8904, &(0x7f00000001c0)) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000005380)={0x0, 0x0, 0x0}, &(0x7f00000053c0)=0xc) write$FUSE_ENTRY(r13, &(0x7f0000000240)={0x90, 0x0, 0x4, {0x2, 0x0, 0x5, 0x0, 0x9, 0x0, {0x0, 0xa0000000000, 0x0, 0x3ff, 0x2, 0x100, 0x9, 0x7f, 0x50000000000000, 0x200, 0xffffffff80000001, r14, r15, 0x35f5, 0x9}}}, 0x90) semctl$IPC_SET(r9, 0x0, 0x1, &(0x7f0000000840)={{0x3, r10, r15, r11, r12, 0x2, 0x5}, 0x4, 0x8, 0x1}) r16 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r16, 0x6, 0x10000000013, &(0x7f0000d06000)=0x1, 0x32a) connect$inet(r16, &(0x7f0000000140)={0x2, 0x0, @local}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r16, 0x6, 0x16, &(0x7f00000000c0)=[@mss, @timestamp, @window={0x3, 0x0, 0xfffe}, @mss={0x2, 0x3}], 0x6dd9207777e1701) sendmmsg(r16, &(0x7f0000004b40)=[{{0x0, 0x0, &(0x7f00000011c0)=[{&(0x7f0000002240)='Y', 0x1}], 0x1}}], 0x1, 0x0) setsockopt$inet_tcp_TCP_REPAIR_QUEUE(r16, 0x6, 0x14, &(0x7f0000000040)=0x1, 0x4) sendmsg$IPVS_CMD_GET_DEST(r16, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000004c0)=ANY=[@ANYBLOB="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"], 0x1}}, 0x0) setsockopt$inet_tcp_TCP_REPAIR(r16, 0x6, 0x13, &(0x7f0000000100), 0x618) close(r16) getsockopt$inet_IP_IPSEC_POLICY(r16, 0x0, 0x10, &(0x7f0000000480)={{{@in6=@remote, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in=@empty}}, &(0x7f00000002c0)=0xe8) r18 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) dup2(r18, r18) fstat(r18, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r20 = socket$inet6(0xa, 0x2000000080803, 0x1) ioctl$TCSETS(r20, 0x5402, &(0x7f0000000440)={0x2, 0x20000000200000, 0xfffffffffffffffa, 0xfd8, 0x9}) setsockopt$inet6_IPV6_XFRM_POLICY(r20, 0x29, 0x23, &(0x7f0000000100)={{{@in6=@local, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x2}, {}, {}, 0x0, 0x0, 0x1}, {{@in=@multicast1, 0x4d2, 0x32}, 0x0, @in6, 0x0, 0x0, 0x0, 0x8464}}, 0xe8) connect$inet6(r20, &(0x7f0000000040)={0xa, 0x0, 0x0, @ipv4={[], [], @local}}, 0x1c) r21 = semget(0x2, 0x0, 0x200) r22 = geteuid() fstat(r20, &(0x7f0000000600)) getsockopt$inet6_IPV6_XFRM_POLICY(r20, 0x29, 0x23, &(0x7f0000000680)={{{@in, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@mcast1}}, &(0x7f0000000780)=0xe8) getsockopt$sock_cred(r20, 0x1, 0x11, &(0x7f00000007c0)={0x0, 0x0, 0x0}, &(0x7f0000000800)=0xc) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000005380)={0x0, 0x0, 0x0}, &(0x7f00000053c0)=0xc) semctl$IPC_SET(r21, 0x0, 0x1, &(0x7f0000000840)={{0x3, r22, r25, r23, r24, 0x2, 0x5}, 0x4, 0x8, 0x1}) semctl$IPC_SET(r9, 0x0, 0x1, &(0x7f0000000580)={{0x1, r17, r19, r23, 0xee01, 0x0, 0x311}, 0xffffffff, 0x100000000000000, 0x0, 0x0, 0x0, 0x0, 0x1b2b}) semctl$IPC_INFO(r9, 0x0, 0x3, &(0x7f0000000140)=""/65) ioctl$KDGKBTYPE(r7, 0x4b33, &(0x7f0000000100)) 09:12:38 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x0, 0x0, 0x102, 0x8000003}, 0x20) 09:12:38 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1e, 0x0, 0x5) connect$tipc(r1, &(0x7f0000000080), 0x10) r2 = dup2(r1, r0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab02, 0x5) [ 312.579987][T10466] block nbd1: Receive control failed (result -107) [ 312.592607][T12500] block nbd1: shutting down sockets 09:12:38 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x0, 0x8000003}, 0x20) 09:12:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = fcntl$dupfd(0xffffffffffffffff, 0x406, r0) ioctl$SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE(r1, 0x40045532, &(0x7f0000000000)=0x9) [ 312.670935][T10466] block nbd1: Receive control failed (result -107) [ 312.680375][T12504] block nbd1: shutting down sockets 09:12:38 executing program 4: perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:38 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x0, 0x8000003}, 0x20) [ 312.738811][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:38 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:38 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x401870cb, 0x0) 09:12:38 executing program 0: r0 = accept4(0xffffffffffffffff, &(0x7f0000000000)=@ipx, &(0x7f00000000c0)=0x80, 0x800) recvmsg$can_bcm(r0, &(0x7f0000000a40)={&(0x7f0000000240)=@can, 0x80, &(0x7f0000000980)=[{&(0x7f00000002c0)=""/213, 0xd5}, {&(0x7f00000003c0)=""/171, 0xab}, {&(0x7f0000000480)=""/215, 0xd7}, {&(0x7f0000000580)=""/170, 0xaa}, {&(0x7f0000000640)=""/212, 0xd4}, {&(0x7f0000000740)=""/16, 0x10}, {&(0x7f0000000780)=""/72, 0x48}, {&(0x7f0000000800)=""/61, 0x3d}, {&(0x7f0000000840)=""/215, 0xd7}, {&(0x7f0000000940)=""/34, 0x22}], 0xa}, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) ioctl$HCIINQUIRY(r1, 0x800448f0, &(0x7f0000000a80)={0x3, 0x7, "a41967", 0xc5, 0x7f}) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000140)='IPVS\x00') sendmsg$IPVS_CMD_ZERO(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x3c, r2, 0x400, 0x70bd2b, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x5}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x3}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x401}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x401}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000081}, 0x80) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) setsockopt$IP_VS_SO_SET_DEL(r0, 0x0, 0x484, &(0x7f0000000ac0)={0x16, @loopback, 0x4e23, 0x2, 'ovf\x00', 0x13, 0x800, 0x20}, 0x2c) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0x125f, 0x0) 09:12:38 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x0, 0x8000003}, 0x20) 09:12:38 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x500) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x0) 09:12:38 executing program 4: perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) [ 313.069822][T10466] block nbd1: Receive control failed (result -107) [ 313.079407][T12529] block nbd1: shutting down sockets 09:12:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) fcntl$lock(r2, 0x6, &(0x7f0000000040)={0x2, 0x4, 0x7fff, 0x4, r3}) ioctl$SCSI_IOCTL_GET_BUS_NUMBER(r2, 0x5386, &(0x7f0000000000)) 09:12:38 executing program 4: getpid() perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:38 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102}, 0x20) 09:12:38 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) [ 313.179938][T12533] block nbd1: Could not allocate knbd recv work queue. [ 313.186895][T12533] block nbd1: shutting down sockets [ 313.231012][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x44080) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) 09:12:38 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x401870cc, 0x0) 09:12:38 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:38 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102}, 0x20) 09:12:38 executing program 5: r0 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcsu\x00', 0x98380, 0x0) mmap$xdp(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x1000000, 0x80010, r0, 0x80000000) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab02, 0x0) r2 = syz_open_dev$media(&(0x7f0000000040)='/dev/media#\x00', 0xc4, 0x200) getsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f00000001c0), 0x4) r3 = socket(0x1e, 0x4, 0x0) connect$tipc(r3, &(0x7f0000000080), 0x10) setsockopt$inet_sctp_SCTP_NODELAY(r3, 0x84, 0x3, &(0x7f0000000180)=0x2, 0x4) ioctl$SNDRV_PCM_IOCTL_SYNC_PTR(r2, 0xc0884123, &(0x7f00000000c0)={0x2, "e56765bdef1b520a1f1d360240aae340825963d12d05cd8d372687bb4c0d141b8ef3947dab874e9f011bf9f745e9b4acca8140c3389db96274fba77b59245771", {0xc57b, 0x3cd1}}) 09:12:38 executing program 4: getpid() perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) [ 313.499871][T10466] block nbd1: Receive control failed (result -107) [ 313.509459][T12553] block nbd1: shutting down sockets [ 313.511660][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:39 executing program 4: getpid() perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:39 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102}, 0x20) 09:12:39 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000000)=0x6) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) [ 313.544097][T12560] block nbd1: Could not allocate knbd recv work queue. [ 313.619225][T12560] block nbd1: shutting down sockets 09:12:39 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:39 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:39 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$TCSETXF(r3, 0x5434, &(0x7f0000000200)={0xffff, 0x4, [0x9, 0x8, 0x2, 0xfff9, 0x4], 0x71}) newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0}, 0x4000) getresgid(&(0x7f0000000140), &(0x7f0000000180)=0x0, &(0x7f00000001c0)) write$P9_RSTATu(r1, &(0x7f0000000280)={0x8c, 0x7d, 0x1, {{0x0, 0x6d, 0x2d, 0x6, {0x9, 0x1, 0x3}, 0x21180000, 0x5, 0xb4e, 0x7, 0xa, '/dev/nbd#\x00', 0x0, '', 0x26, '\xb1\xd2\xd5+\x8c\x00\x13\a[\x97F\xca\xbc\x9f\xa1\x16\xfc\x84jf\x92\xb8\x95k\xfdIWI.\xe7Bu\xb5\x87\x8d\x1c\x01y', 0xa, '/dev/nbd#\x00'}, 0xa, '/dev/nbd#\x00', r4, r5, 0xee01}}, 0x8c) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:12:39 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x4020940d, 0x0) 09:12:39 executing program 0: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0x125f, 0x0) [ 313.851468][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:39 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 313.893070][T10466] block nbd1: Receive control failed (result -107) [ 313.902569][T12582] block nbd1: shutting down sockets 09:12:39 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:39 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000040)='/dev/nbd#\x00', 0x0, 0x12043) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) 09:12:39 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT(r1, 0x28, 0x6, &(0x7f0000000240), 0x10) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) getsockopt$IP_SET_OP_GET_FNAME(r2, 0x1, 0x53, &(0x7f00000001c0)={0x8, 0x7, 0x0, 'syz0\x00'}, &(0x7f0000000200)=0x2c) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000000)='/dev/bsg\x00', 0x703400, 0x0) r4 = syz_genetlink_get_family_id$batadv(&(0x7f00000000c0)='batadv\x00') sendmsg$BATADV_CMD_TP_METER(r3, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000280)=ANY=[@ANYBLOB="00007833d5314fe00641fe0000", @ANYRES16=r4, @ANYBLOB="200027bd7000fedbdf250200000005002a0001000000"], 0x1c}, 0x1, 0x0, 0x0, 0x24000005}, 0xc004) [ 313.984828][T12584] block nbd1: Could not allocate knbd recv work queue. [ 314.026463][T12584] block nbd1: shutting down sockets 09:12:39 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:39 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x80041284, 0x0) 09:12:39 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$vcsu(&(0x7f0000000000)='/dev/vcsu#\x00', 0x5, 0x1ae0ee8a53340102) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) signalfd4(r2, &(0x7f00000001c0)={[0x3]}, 0x8, 0x80000) getsockopt$inet_IP_XFRM_POLICY(r1, 0x0, 0x11, &(0x7f00000000c0)={{{@in=@dev, @in6=@mcast2}}, {{@in=@dev}, 0x0, @in6=@loopback}}, &(0x7f0000000040)=0xe8) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) [ 314.095075][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 314.279969][T10466] block nbd1: Receive control failed (result -107) [ 314.288398][T12601] block nbd1: shutting down sockets 09:12:40 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:40 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:40 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:40 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000)='/dev/zero\x00', 0x80, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) r3 = socket(0x1e, 0x4, 0x0) r4 = socket(0x1e, 0x4, 0x0) connect$tipc(r4, &(0x7f0000000080), 0x10) r5 = socket(0x1e, 0x4, 0x0) connect$tipc(r5, &(0x7f0000000080), 0x10) accept4$rose(r5, &(0x7f0000000140)=@full={0xb, @dev, @null, 0x0, [@netrom, @netrom, @remote, @remote, @netrom, @bcast]}, &(0x7f0000000180)=0x40, 0x80800) connect$tipc(r3, &(0x7f0000000080), 0x10) r6 = socket(0x1e, 0x4, 0x0) connect$tipc(r6, &(0x7f0000000080), 0x10) ppoll(&(0x7f0000000040)=[{r1, 0x400}, {r2, 0x4000}, {r3, 0x4090}, {r0}, {r6, 0x100}], 0x5, &(0x7f00000000c0), &(0x7f0000000100)={[0x80]}, 0x8) r7 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000000)='/dev/nullb0\x00', 0x30100, 0x0) r8 = socket(0x1e, 0x4, 0x0) connect$tipc(r8, &(0x7f0000000080), 0x10) r9 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000240)='nl80211\x00') ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r6, 0x8933, &(0x7f0000000280)={'batadv0\x00', 0x0}) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, &(0x7f0000000340)=0x0, &(0x7f0000000380)=0x4) getpeername$packet(0xffffffffffffffff, &(0x7f0000000840)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @remote}, &(0x7f0000000880)=0x14) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r14 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r13, 0x8933, &(0x7f0000000300)={'vlan0\x00', 0x0}) r16 = socket$nl_route(0x10, 0x3, 0x0) r17 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r17, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r17, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r16, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="3400000010000104539302000000000000000000", @ANYRES32=r18, @ANYBLOB="ddffffffffffffff140012000c0001006272696467650000040002004a8c1b6a238e3c4ad8aaf50c71a903efb4ed6f549d620cab62d981eb6d374923a2b1597449331902ca8bdf6a7b128fe8476d4d6652037756d0ac81399ac0582b151d141fe83ed1d9132ab02d67c1c5acd5789c4893db25c5630cca8a430aeff83d56f554ff14196fa347774c415acdeb046e3cf870dd52c26f6c603b8f3e34d021af63b3cfa8316e16c38ca72e58c356fde87643e8b809318f8d222ce63317ded42fa3aa394ade7dfe439c6479605528726a068cdc76a22067b3534442da88bc90000000000000000000000000f6a0d707"], 0x34}}, 0x0) sendmsg$nl_route(r14, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r15}, [@IFLA_MASTER={0x8, 0xa, r18}]}, 0x28}}, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r20 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r19, 0x8933, &(0x7f0000000300)={'vlan0\x00', 0x0}) r22 = socket$nl_route(0x10, 0x3, 0x0) r23 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r23, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r23, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r22, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="3400000010000104539302000000000000000000", @ANYRES32=r24, @ANYBLOB="ddffffffffffffff140012000c0001006272696467650000040002004a8c1b6a238e3c4ad8aaf50c71a903efb4ed6f549d620cab62d981eb6d374923a2b1597449331902ca8bdf6a7b128fe8476d4d6652037756d0ac81399ac0582b151d141fe83ed1d9132ab02d67c1c5acd5789c4893db25c5630cca8a430aeff83d56f554ff14196fa347774c415acdeb046e3cf870dd52c26f6c603b8f3e34d021af63b3cfa8316e16c38ca72e58c356fde87643e8b809318f8d222ce63317ded42fa3aa394ade7dfe439c6479605528726a068cdc76a22067b3534442da88bc90000000000000000000000000f6a0d707"], 0x34}}, 0x0) sendmsg$nl_route(r20, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r21}, [@IFLA_MASTER={0x8, 0xa, r24}]}, 0x28}}, 0x0) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f00000008c0)={'ip6tnl0\x00', r24}) sendmsg$NL80211_CMD_NEW_INTERFACE(r8, &(0x7f00000009c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000980)={&(0x7f0000000900)={0x80, r9, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NL80211_ATTR_IFINDEX={0x8, 0x3, r10}, @NL80211_ATTR_IFNAME={0x14, 0x4, 'vxcan1\x00'}, @NL80211_ATTR_IFINDEX={0x8, 0x3, r11}, @NL80211_ATTR_IFINDEX={0x8, 0x3, r12}, @NL80211_ATTR_IFINDEX={0x8, 0x3, r18}, @NL80211_ATTR_IFINDEX={0x8, 0x3, r25}, @NL80211_ATTR_WDEV={0xc, 0x99, {0x4800000}}, @NL80211_ATTR_IFTYPE={0x8, 0x5, 0x7}, @NL80211_ATTR_IFNAME={0x14, 0x4, 'veth1\x00'}, @NL80211_ATTR_IFTYPE={0x8, 0x5, 0xa}]}, 0x80}, 0x1, 0x0, 0x0, 0x8000}, 0x0) mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x1000001, 0x13, r7, 0x0) pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000180), &(0x7f0000000200)={0x0}) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0xfffffffffffffffe) 09:12:40 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x80041285, 0x0) 09:12:40 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) write$RDMA_USER_CM_CMD_CREATE_ID(r2, &(0x7f00000002c0)={0x0, 0x18, 0xfa00, {0x2, &(0x7f0000000040)={0xffffffffffffffff}, 0x2, 0x9}}, 0x20) r4 = socket(0x1e, 0x4, 0x0) connect$tipc(r4, &(0x7f0000000080), 0x10) sendmsg$IPSET_CMD_FLUSH(r4, &(0x7f0000000700)={&(0x7f0000000640)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000006c0)={&(0x7f0000000680)={0x20, 0x4, 0x6, 0x801, 0x0, 0x0, {0xa, 0x0, 0x2}, [@IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000814}, 0x20044015) write$RDMA_USER_CM_CMD_QUERY_ROUTE(r2, &(0x7f0000000300)={0x5, 0x10, 0xfa00, {&(0x7f00000000c0), r3, 0x2}}, 0x18) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r5 = socket(0x1e, 0x4, 0x0) r6 = socket(0x10, 0x80002, 0x0) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="280000001e00015cac57fa00000000002a0000001400000000000a000000000000000000000052159c602d5126f37d0b0cf369876d7f646837e5e30000000000c5f5378922fcf55a0d15f643212fd1c013d5e851d5eccaf3192ab71ebc41befd905f4a06082d8815e67eca98762e67860442988c64c6c1ea580ac8a4d6294e9c56631dacbdff787461febcc5e81b3348bf5d11"], 0x28}}, 0x0) sendmmsg$alg(r6, &(0x7f0000000140)=[{0x6, 0x0, &(0x7f0000000100), 0x6, &(0x7f0000000100)}], 0x492492492492805, 0x0) connect$tipc(r5, &(0x7f0000000080), 0x10) r7 = socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nl80211(&(0x7f00000007c0)='nl80211\x00') sendmsg$NL80211_CMD_GET_MPP(r7, &(0x7f00000009c0)={0x0, 0x0, &(0x7f0000000980)={&(0x7f0000000940)={0x14, r8, 0xa70a7ea171fec7a1}, 0x14}}, 0x0) sendmsg$NL80211_CMD_GET_REG(r5, &(0x7f00000008c0)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000880)={&(0x7f0000000800)={0x60, r8, 0x300, 0x70bd2b, 0x25dfdbfc, {}, [@NL80211_ATTR_REG_ALPHA2={0x6, 0x21, 'b\x00'}, @NL80211_ATTR_WIPHY={0x8}, @NL80211_ATTR_REG_ALPHA2={0x7, 0x21, 'aa\x00'}, @NL80211_ATTR_WIPHY={0x8, 0x1, 0x1}, @NL80211_ATTR_SOCKET_OWNER={0x4}, @NL80211_ATTR_DFS_REGION={0x5, 0x92, 0x2}, @NL80211_ATTR_DFS_REGION={0x5, 0x92, 0x1}, @NL80211_ATTR_WIPHY={0x8}, @NL80211_ATTR_USER_REG_HINT_TYPE={0x8, 0x9a, 0x1}, @NL80211_ATTR_USER_REG_HINT_TYPE={0x8, 0x9a, 0x2}]}, 0x60}, 0x1, 0x0, 0x0, 0x5}, 0x800) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0xfffffffffffffff9) r9 = request_key(&(0x7f0000000340)='blacklist\x00', &(0x7f0000000380)={'syz', 0x3}, &(0x7f00000003c0)='/dev/nbd#\x00', 0xfffffffffffffffa) socket$xdp(0x2c, 0x3, 0x0) r10 = request_key(&(0x7f0000000140)='cifs.idmap\x00', 0x0, &(0x7f00000002c0)='\xe1\x00', 0xfffffffffffffffa) keyctl$negate(0xd, r10, 0x9, 0x0) request_key(&(0x7f00000001c0)='syzkaller\x00', &(0x7f0000000280)={'syz', 0x2}, &(0x7f00000002c0)='/dev/snd/seq\x00', r10) keyctl$dh_compute(0x17, &(0x7f0000000400)={r9, 0x0, r10}, &(0x7f0000000440)=""/165, 0xa5, &(0x7f0000000600)={&(0x7f0000000500)={'rmd320\x00'}, &(0x7f0000000540)="194c228ba49b6f0c29dde250491d52092f5576da0583e66fb626d04447970aae49263be2e049caa2e17f9f88229b48457d71147e893a96ddfa1c4f24a1e631bc5e2d38dc16168a2dfe9437a977da9bd613dc50b73fc510886cdc42bfddefb784a58dc4572e5cb6b60258f116aefc5c6487009117d62868e5179b92b509f9256d442a877ec2c6ef6f3976f00c5f5b076d5a76c06593d6b4152537f938a4", 0x9d}) setsockopt$bt_BT_CHANNEL_POLICY(0xffffffffffffffff, 0x112, 0xa, &(0x7f0000000000)=0x79c, 0x4) r11 = socket(0x1e, 0x4, 0x0) connect$tipc(r11, &(0x7f0000000080), 0x10) setsockopt$inet_buf(r11, 0x0, 0x10, &(0x7f0000000740)="e3c4369d539c2b938042eff7272f6bae99f08d91171303f5f2fec4a9756974fcbc593a50147ddce97ebfcaceacb0c8a49a8b57b34beb595f96b26be803723f4bbb20650d6df3377f416ca056879a4f67fc8af6c67f057ede82e4fc97561c9c0e9f2f0942566eed510f9d72bed7be5d181999a570b77a37", 0x77) [ 314.638887][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:40 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) [ 314.689850][T10466] block nbd1: Receive control failed (result -107) [ 314.719535][T12612] block nbd1: shutting down sockets [ 314.741751][T12618] device bridge2 entered promiscuous mode [ 314.776603][T12619] block nbd1: Could not allocate knbd recv work queue. [ 314.786026][T12619] block nbd1: shutting down sockets 09:12:40 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 314.787268][T12624] device vlan0 left promiscuous mode 09:12:40 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) write$6lowpan_control(r2, &(0x7f0000000200)='disconnect aa:aa:aa:aa:aa:10 2', 0x1e) r3 = socket(0x1e, 0x4, 0x0) connect$tipc(r3, &(0x7f0000000080)=@nameseq={0x1e, 0x1, 0x1}, 0x10) r4 = open(&(0x7f00000000c0)='./file0\x00', 0x400, 0x4) ioctl$RTC_IRQP_SET(r4, 0x4008700c, 0x1bd4) r5 = socket(0x1e, 0x4, 0x0) connect$tipc(r5, &(0x7f0000000080), 0x10) fsetxattr$security_selinux(r5, &(0x7f0000000180)='security.selinux\x00', &(0x7f00000001c0)='system_u:object_r:modem_device_t:s0\x00', 0x24, 0x2) ioctl$UI_SET_LEDBIT(r4, 0x40045569, 0xc) syz_genetlink_get_family_id$gtp(&(0x7f0000000040)='gtp\x00') setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r3, 0x6, 0x16, &(0x7f0000000000)=[@timestamp, @window={0x3, 0x7f}, @mss={0x2, 0xfffffffc}], 0x3) r6 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000100)='/dev/hwrng\x00', 0x200000, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r6, 0x40082404, &(0x7f0000000140)=0x4) syz_open_dev$tty1(0xc, 0x4, 0x4) 09:12:40 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x800454d2, 0x0) [ 314.823862][T12624] bridge1: port 1(vlan0) entered disabled state 09:12:40 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) [ 314.958967][T12624] bridge2: port 1(vlan0) entered blocking state [ 314.976728][T12624] bridge2: port 1(vlan0) entered disabled state 09:12:40 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) [ 315.013219][ T27] audit: type=1400 audit(1580116360.581:73): avc: denied { relabelto } for pid=12631 comm="syz-executor.0" name="TIPC" dev="sockfs" ino=46028 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:modem_device_t:s0 tclass=socket permissive=1 [ 315.026386][T12624] device vlan0 entered promiscuous mode [ 315.078026][T10466] block nbd1: Receive control failed (result -107) [ 315.087952][T12635] block nbd1: shutting down sockets [ 315.121632][T12639] block nbd1: Could not allocate knbd recv work queue. [ 315.147615][T12624] bridge2: port 1(vlan0) entered blocking state [ 315.148496][T12639] block nbd1: shutting down sockets [ 315.153999][T12624] bridge2: port 1(vlan0) entered forwarding state 09:12:40 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:40 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:40 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 315.247290][T12618] device bridge3 entered promiscuous mode [ 315.262411][T12632] device vlan0 left promiscuous mode [ 315.268135][T12632] bridge2: port 1(vlan0) entered disabled state [ 315.399094][T12632] bridge3: port 1(vlan0) entered blocking state [ 315.440969][ C1] net_ratelimit: 2 callbacks suppressed [ 315.440999][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 315.461457][T12632] bridge3: port 1(vlan0) entered disabled state [ 315.464265][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 315.507667][T12632] device vlan0 entered promiscuous mode [ 315.539722][T12632] bridge3: port 1(vlan0) entered blocking state [ 315.546184][T12632] bridge3: port 1(vlan0) entered forwarding state [ 315.620984][T12618] device vlan0 left promiscuous mode [ 315.637080][T12618] bridge3: port 1(vlan0) entered disabled state [ 315.729021][T12618] bridge2: port 1(vlan0) entered blocking state [ 315.735493][T12618] bridge2: port 1(vlan0) entered disabled state [ 315.744497][T12618] device vlan0 entered promiscuous mode [ 315.753656][T12618] bridge2: port 1(vlan0) entered blocking state [ 315.760085][T12618] bridge2: port 1(vlan0) entered forwarding state [ 315.771136][T12632] device vlan0 left promiscuous mode [ 315.776892][T12632] bridge2: port 1(vlan0) entered disabled state [ 315.888990][T12632] bridge3: port 1(vlan0) entered blocking state [ 315.895440][T12632] bridge3: port 1(vlan0) entered disabled state [ 315.912035][T12632] device vlan0 entered promiscuous mode [ 315.918642][T12632] bridge3: port 1(vlan0) entered blocking state [ 315.925046][T12632] bridge3: port 1(vlan0) entered forwarding state 09:12:41 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:41 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x80081270, 0x0) 09:12:41 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:41 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = accept4$phonet_pipe(0xffffffffffffffff, 0x0, &(0x7f0000000000), 0x80000) setsockopt$PNPIPE_INITSTATE(r1, 0x113, 0x4, &(0x7f0000000040)=0x1, 0x4) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) sendmsg$IPCTNL_MSG_CT_DELETE(r2, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x114, 0x2, 0x1, 0x201, 0x0, 0x0, {0xa, 0x0, 0x7}, [@CTA_SEQ_ADJ_REPLY={0x1c, 0x10, 0x0, 0x1, [@CTA_SEQADJ_OFFSET_AFTER={0x8, 0x3, 0x1, 0x0, 0x6}, @CTA_SEQADJ_CORRECTION_POS={0x8, 0x1, 0x1, 0x0, 0x1}, @CTA_SEQADJ_CORRECTION_POS={0x8, 0x1, 0x1, 0x0, 0x2}]}, @CTA_NAT_DST={0xe4, 0xd, 0x0, 0x1, [@CTA_NAT_PROTO={0x44, 0x3, 0x0, 0x1, [@CTA_PROTONAT_PORT_MAX={0x6, 0x2, 0x4e21}, @CTA_PROTONAT_PORT_MAX={0x6, 0x2, 0x5}, @CTA_PROTONAT_PORT_MAX={0x6, 0x2, 0x4e21}, @CTA_PROTONAT_PORT_MAX={0x6, 0x2, 0x4e21}, @CTA_PROTONAT_PORT_MAX={0x6, 0x2, 0x4e22}, @CTA_PROTONAT_PORT_MAX={0x6, 0x2, 0x4e21}, @CTA_PROTONAT_PORT_MAX={0x6, 0x2, 0x4e22}, @CTA_PROTONAT_PORT_MIN={0x6, 0x1, 0x4e20}]}, @CTA_NAT_V4_MAXIP={0x8, 0x2, @multicast2}, @CTA_NAT_V6_MINIP={0x14, 0x4, @initdev={0xfe, 0x88, [], 0x1, 0x0}}, @CTA_NAT_V6_MAXIP={0x14, 0x5, @local}, @CTA_NAT_V6_MINIP={0x14, 0x4, @ipv4={[], [], @rand_addr=0x7fffffff}}, @CTA_NAT_PROTO={0x44, 0x3, 0x0, 0x1, [@CTA_PROTONAT_PORT_MIN={0x6, 0x1, 0x4e23}, @CTA_PROTONAT_PORT_MIN={0x6, 0x1, 0x4e23}, @CTA_PROTONAT_PORT_MAX={0x6, 0x2, 0x4e24}, @CTA_PROTONAT_PORT_MAX={0x6, 0x2, 0x4e20}, @CTA_PROTONAT_PORT_MIN={0x6, 0x1, 0x4e20}, @CTA_PROTONAT_PORT_MIN={0x6, 0x1, 0x4e22}, @CTA_PROTONAT_PORT_MIN={0x6, 0x1, 0x4e24}, @CTA_PROTONAT_PORT_MAX={0x6, 0x2, 0x4e24}]}, @CTA_NAT_V6_MAXIP={0x14, 0x5, @remote}]}]}, 0x114}, 0x1, 0x0, 0x0, 0x10}, 0x40040) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r3 = shmget(0x1, 0x3000, 0x0, &(0x7f0000ffd000/0x3000)=nil) shmctl$SHM_STAT(r3, 0xd, &(0x7f0000000340)=""/149) shmctl$IPC_STAT(r3, 0x2, &(0x7f0000000180)=""/85) shmctl$SHM_LOCK(r3, 0xb) 09:12:41 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000000)='net/rpc\x00') getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f00000001c0)=@sack_info={0x0, 0x6000, 0x80000000}, 0x0) getsockopt$inet_sctp6_SCTP_STATUS(0xffffffffffffffff, 0x84, 0xe, &(0x7f00000000c0)={0x0, 0x0, 0x9, 0x0, 0x4, 0x6dd6, 0x56, 0x17, {0x0, @in6={{0xa, 0x4e22, 0x6, @initdev={0xfe, 0x88, [], 0x0, 0x0}, 0x7}}, 0x7fff, 0xfffffffa, 0x3, 0x2}}, &(0x7f0000000040)=0xb0) setsockopt$inet_sctp_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000180)=@assoc_value={r2, 0xfffff60d}, 0x8) [ 316.094898][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040)='nl80211\x00') r3 = openat$cachefiles(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/cachefiles\x00', 0x84000, 0x0) sendmsg$NL80211_CMD_SET_WIPHY_NETNS(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x1c, r2, 0x1, 0x70bd2c, 0x25dfdbfd, {}, [@NL80211_ATTR_NETNS_FD={0x8, 0xdb, r3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000001}, 0x4000000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) [ 316.136692][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 316.160243][T10466] block nbd1: Receive control failed (result -107) [ 316.171167][T12658] block nbd1: shutting down sockets 09:12:41 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:41 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000000)='/dev/bsg\x00', 0x54100, 0x0) write$P9_RLOPEN(r1, &(0x7f0000000040)={0x18, 0xd, 0x1, {{0x20, 0x3, 0x5}, 0x9}}, 0x18) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX(r1, 0x84, 0x6e, &(0x7f00000000c0)=[@in6={0xa, 0x4e23, 0x3f, @rand_addr="a16c013282bbafca387f8d556277a35b", 0x100}, @in={0x2, 0x4e24, @remote}, @in={0x2, 0x4e22, @multicast1}, @in={0x2, 0x4e21, @multicast2}, @in6={0xa, 0x4e21, 0x81, @remote, 0x10001}, @in={0x2, 0x4e23, @empty}, @in={0x2, 0x4e24, @rand_addr=0x4b}, @in6={0xa, 0x4e21, 0x400, @loopback}, @in6={0xa, 0x4e24, 0xffff, @rand_addr="7fe6471ef809340fd0f2024d04c5d0a9", 0x669}], 0xc0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) [ 316.290366][T10466] block nbd1: Receive control failed (result -107) [ 316.297941][T12658] block nbd1: shutting down sockets 09:12:41 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) sendfile(r6, 0xffffffffffffffff, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:41 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:42 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x80081272, 0x0) 09:12:42 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:42 executing program 5: r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/hwrng\x00', 0x428000, 0x0) getsockopt$inet_pktinfo(r0, 0x0, 0x8, &(0x7f0000000200)={0x0, @initdev, @initdev}, &(0x7f0000000240)=0xc) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab02, 0x0) r2 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vsock\x00', 0x8400, 0x0) r3 = syz_genetlink_get_family_id$tipc2(&(0x7f00000000c0)='TIPCv2\x00') prctl$PR_SET_FPEMU(0xa, 0x2) sendmsg$TIPC_NL_NET_GET(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000328bd7000fcdbdf250e0000001400058007000100696205000000000000000000"], 0x28}}, 0x4048009) 09:12:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x5c082) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$IOC_PR_CLEAR(r2, 0x401070cd, &(0x7f0000000040)={0x1ff}) [ 316.581042][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 316.649955][T10466] block nbd1: Receive control failed (result -107) [ 316.662388][T12683] block nbd1: shutting down sockets 09:12:42 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:42 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) sendfile(r6, 0xffffffffffffffff, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 316.729760][T12684] block nbd1: Could not allocate knbd recv work queue. [ 316.747374][T12684] block nbd1: shutting down sockets [ 316.773232][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:42 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:42 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x2) ioctl$EVIOCSCLOCKID(r2, 0x400445a0, &(0x7f0000000040)=0x2) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000100)='/dev/null\x00', 0x800, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f00000001c0)=@sack_info={r4, 0x6000, 0x80000000}, 0x0) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r3, 0x84, 0x6d, &(0x7f0000000140)={r4, 0x4a, "8eeb7581f8b8499802a7f4c1d74507791bcee5957c8500e88cd68de9d162e6f2538a49083a199df7da4bcd9481ff326bb970e74dc750a404f128f7233e1ed7cbb65ff3bf6ed63c69b969"}, &(0x7f00000001c0)=0x52) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000000)={0x0, 0x4, 0xeb, 0x7fff}) ioctl$KVM_ASSIGN_DEV_IRQ(r2, 0x4040ae70, &(0x7f00000000c0)={0x7fff, 0x9, 0x4, 0x202}) 09:12:42 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)={0x120, 0x3a, 0x2, 0x70bd29, 0x25dfdbfc, {0xa}, [@nested={0x10a, 0x82, 0x0, 0x1, [@typed={0xc, 0x36, 0x0, 0x0, @u64}, @generic="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"]}]}, 0x120}, 0x1, 0x0, 0x0, 0x44010}, 0x4804) 09:12:42 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x80086301, 0x0) 09:12:42 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x0, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) [ 316.979575][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:42 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:42 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x7) 09:12:42 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) sendfile(r6, 0xffffffffffffffff, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 317.063226][T10466] block nbd1: Receive control failed (result -107) [ 317.072925][T12703] block nbd1: shutting down sockets 09:12:42 executing program 0: openat$vnet(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vhost-net\x00', 0x2, 0x0) getsockopt$netlink(0xffffffffffffffff, 0x10e, 0x5, &(0x7f00000000c0)=""/249, &(0x7f0000000040)=0xf9) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) [ 317.132145][T12705] block nbd1: Could not allocate knbd recv work queue. [ 317.169419][T12705] block nbd1: shutting down sockets [ 317.223126][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 317.274301][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:42 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x80086601, 0x0) 09:12:42 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x0, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:42 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioperm(0x20, 0x7f, 0x1) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) pipe2(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x84000) ioctl$KVM_GET_NESTED_STATE(r2, 0xc080aebe, &(0x7f00000000c0)={{0x0, 0x0, 0x80}}) ioctl$sock_SIOCGSKNS(r1, 0x894c, &(0x7f0000000000)=0x401) 09:12:42 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:43 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$TUNGETSNDBUF(r2, 0x800454d3, &(0x7f0000000000)) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) 09:12:43 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 317.497076][T10466] block nbd1: Receive control failed (result -107) [ 317.506789][T12726] block nbd1: shutting down sockets [ 317.594623][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:43 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x0, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:43 executing program 5: r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) getsockopt$IP6T_SO_GET_INFO(r2, 0x29, 0x40, &(0x7f0000000180)={'raw\x00'}, &(0x7f0000000140)=0x54) ioctl$BLKROGET(r1, 0x125e, &(0x7f0000000000)) r3 = socket$inet_udp(0x2, 0x2, 0x0) r4 = dup2(r3, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$KVM_SET_TSS_ADDR(r4, 0xae47, 0xd000) r5 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab02, 0x0) io_uring_setup(0xbdb, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x3, 0x50}) fstat(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0}) r7 = syz_open_dev$audion(&(0x7f0000000040)='/dev/audio#\x00', 0xe465, 0x4800) setsockopt$RDS_CANCEL_SENT_TO(r7, 0x114, 0x1, &(0x7f0000000200)={0x2, 0x4e21, @multicast2}, 0x10) ioprio_get$uid(0x3, r6) [ 317.699467][T12729] block nbd1: Could not allocate knbd recv work queue. [ 317.706402][T12729] block nbd1: shutting down sockets 09:12:43 executing program 0: r0 = socket(0x15, 0x4, 0x80) connect$tipc(r0, &(0x7f0000000080), 0x10) getsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f00000000c0), &(0x7f0000000100)=0x4) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$SNDCTL_DSP_GETFMTS(r2, 0x8004500b, &(0x7f0000000040)=0x7fff) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0x125f, 0x0) 09:12:43 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x80087601, 0x0) 09:12:43 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:43 executing program 5: ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab02, 0x0) r0 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x220280, 0x0) ioctl$EVIOCREVOKE(r0, 0x40044591, &(0x7f0000000040)=0x6) r1 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000080)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_G_FMT(r1, 0xc0d05604, &(0x7f00000001c0)={0x1, @win={{0x4, 0x8, 0xaa, 0x87}, 0x5, 0x1f, &(0x7f0000000140)={{0xfffeffff, 0x7, 0xa000, 0x81}, &(0x7f0000000100)={{0x9, 0x9, 0x1, 0x10001}, &(0x7f00000000c0)={{0x9, 0x80000001, 0x1, 0x200}}}}, 0x200, &(0x7f0000000180)="b79b79813783c6003cc763"}}) [ 317.925827][T10466] block nbd1: Receive control failed (result -107) [ 317.940393][T12751] block nbd1: shutting down sockets 09:12:43 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(0xffffffffffffffff, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:43 executing program 0: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0x125f, 0x0) [ 317.977886][T12753] block nbd1: Could not allocate knbd recv work queue. [ 318.048887][T12753] block nbd1: shutting down sockets 09:12:43 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:43 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:43 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/lblc_expiration\x00', 0x2, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab02, 0x3) 09:12:43 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xc0045878, 0x0) 09:12:43 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(0xffffffffffffffff, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:43 executing program 0: msgctl$MSG_STAT(0x0, 0xb, &(0x7f0000000100)=""/8) r0 = openat$vsock(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vsock\x00', 0x1cd0c0, 0x0) setsockopt$ax25_SO_BINDTODEVICE(r0, 0x101, 0x19, &(0x7f0000000040)=@netrom={'nr', 0x0}, 0x10) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0x125f, 0x8000000000000000) setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_REM(r0, 0x84, 0x65, &(0x7f0000000000)=[@in={0x2, 0x4e22, @loopback}, @in6={0xa, 0x4e24, 0x8, @loopback, 0x3eef}, @in={0x2, 0x4e24, @broadcast}], 0x3c) ioctl$SCSI_IOCTL_TEST_UNIT_READY(0xffffffffffffffff, 0x2) [ 318.343887][T10466] block nbd1: Receive control failed (result -107) [ 318.360384][T12776] block nbd1: shutting down sockets 09:12:44 executing program 0: r0 = socket(0x1e, 0x4, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) r2 = socket(0x1f, 0x6, 0xfd) connect$tipc(r2, &(0x7f0000000080), 0x10) r3 = socket(0x1e, 0x4, 0x0) connect$tipc(r3, &(0x7f0000000080), 0x10) r4 = socket(0x1e, 0x4, 0x0) connect$tipc(r4, &(0x7f0000000080), 0x10) poll(&(0x7f0000000100)=[{r1, 0x8112}, {r2, 0xa34c}, {r3, 0x8}, {r4}], 0x4, 0x3) connect$tipc(r0, &(0x7f0000000080), 0x10) r5 = fcntl$dupfd(0xffffffffffffffff, 0x0, r0) ioctl$TIOCGPGRP(r5, 0x540f, &(0x7f00000000c0)) r6 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r6, 0x125f, 0x0) r7 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/conntrack\x00', 0x2, 0x0) ioctl$sock_inet_sctp_SIOCINQ(r7, 0x541b, &(0x7f0000000040)) 09:12:44 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) getsockopt$inet_sctp_SCTP_INITMSG(0xffffffffffffffff, 0x84, 0x2, &(0x7f0000000000), &(0x7f0000000040)=0x8) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000100)={0x0, 0x2, 0x4}, 0x8) openat$fuse(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/fuse\x00', 0x2, 0x0) [ 318.386288][T10466] block nbd1: Receive control failed (result -107) [ 318.409354][T12781] block nbd1: shutting down sockets 09:12:44 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:44 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xc0045878, 0x0) 09:12:44 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(0xffffffffffffffff, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) 09:12:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000100)={&(0x7f0000000040)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x18, 0x18, 0xb, [@typedef={0x2, 0x0, 0x0, 0x8, 0x4}, @typedef={0x3, 0x0, 0x0, 0x8, 0x5}]}, {0x0, [0x0, 0x61, 0x2e, 0x5f, 0x5f, 0x2e, 0x5f, 0x0, 0x5f]}}, &(0x7f00000000c0)=""/39, 0x3b, 0x27}, 0x20) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) r3 = dup2(r2, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) write$6lowpan_control(r3, &(0x7f0000000000)='connect aa:aa:aa:aa:aa:10 2', 0x1b) 09:12:44 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 318.718904][T10466] block nbd1: Receive control failed (result -107) [ 318.739912][T12801] block nbd1: shutting down sockets [ 318.809074][T12803] block nbd1: Could not allocate knbd recv work queue. [ 318.851633][T12803] block nbd1: shutting down sockets 09:12:44 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xc0101282, 0x0) 09:12:44 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) 09:12:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) write$UHID_INPUT(0xffffffffffffffff, &(0x7f00000000c0)={0x8, {"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", 0x1000}}, 0x1006) [ 319.003008][T10466] block nbd1: Receive control failed (result -107) [ 319.012679][T12818] block nbd1: shutting down sockets 09:12:44 executing program 5: setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x3, 0x1000}, 0x4) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) dup2(r0, r0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket(0x1e, 0x4, 0x0) connect$tipc(r3, &(0x7f0000000080), 0x10) r4 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000100)='TIPCv2\x00') sendmsg$TIPC_NL_MON_SET(r3, &(0x7f0000000340)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000140)={0x1ac, r4, 0xc00, 0x70bd28, 0x25dfdbfb, {}, [@TIPC_NLA_MEDIA={0x40, 0x5, 0x0, 0x1, [@TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'eth\x00'}, @TIPC_NLA_MEDIA_PROP={0x34, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_PRIO={0x8, 0x1, 0xf}, @TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0xd}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x7}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x11}, @TIPC_NLA_PROP_MTU={0x8}]}]}, @TIPC_NLA_NET={0x30, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_ADDR={0x8}, @TIPC_NLA_NET_NODEID={0xc, 0x3, 0x4080000000000}, @TIPC_NLA_NET_NODEID={0xc, 0x3, 0xffffffffffff55c6}, @TIPC_NLA_NET_NODEID={0xc, 0x3, 0x81}]}, @TIPC_NLA_LINK={0x4}, @TIPC_NLA_LINK={0x38, 0x4, 0x0, 0x1, [@TIPC_NLA_LINK_PROP={0xc, 0x7, 0x0, 0x1, [@TIPC_NLA_PROP_WIN={0x8, 0x3, 0x84f}]}, @TIPC_NLA_LINK_NAME={0x13, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_PROP={0x14, 0x7, 0x0, 0x1, [@TIPC_NLA_PROP_TOL={0x8, 0x2, 0xfffff801}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x1}]}]}, @TIPC_NLA_NODE={0x30, 0x6, 0x0, 0x1, [@TIPC_NLA_NODE_UP={0x4}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x5}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x7f}, @TIPC_NLA_NODE_UP={0x4}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x5}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x4}, @TIPC_NLA_NODE_UP={0x4}]}, @TIPC_NLA_MEDIA={0xb0, 0x5, 0x0, 0x1, [@TIPC_NLA_MEDIA_NAME={0x7, 0x1, 'ib\x00'}, @TIPC_NLA_MEDIA_PROP={0x1c, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_WIN={0x8, 0x3, 0x2a}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0xd2e}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x7}]}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'udp\x00'}, @TIPC_NLA_MEDIA_PROP={0xc, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x7}]}, @TIPC_NLA_MEDIA_PROP={0x1c, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_MTU={0x8, 0x4, 0x9}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x7}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x3ff}]}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'eth\x00'}, @TIPC_NLA_MEDIA_PROP={0x14, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x2}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x13}]}, @TIPC_NLA_MEDIA_PROP={0x3c, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x18}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x1f}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0xffffffff}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0xfffffffe}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x6ed}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x33160}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0xa}]}]}, @TIPC_NLA_MON={0xc, 0x9, 0x0, 0x1, [@TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x8}]}]}, 0x1ac}, 0x1, 0x0, 0x0, 0x40800}, 0x20014000) r5 = socket$inet_udp(0x2, 0x2, 0x0) r6 = dup2(r5, r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) r7 = socket$inet_udp(0x2, 0x2, 0x0) r8 = dup2(r7, r7) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) r9 = socket$inet_udp(0x2, 0x2, 0x0) r10 = dup2(r9, r9) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) ioctl$TIOCL_GETSHIFTSTATE(r10, 0x541c, &(0x7f0000000040)={0x6, 0x85}) ioctl$NBD_SET_SIZE_BLOCKS(r8, 0xab02, 0x1) 09:12:44 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:44 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) [ 319.056032][T12819] block nbd1: Could not allocate knbd recv work queue. 09:12:44 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 319.110386][T12819] block nbd1: shutting down sockets 09:12:44 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xc0189436, 0x0) 09:12:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x80002) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:12:44 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) [ 319.413746][T10466] block nbd1: Receive control failed (result -107) [ 319.423331][T12837] block nbd1: shutting down sockets [ 319.447643][T12840] block nbd1: Could not allocate knbd recv work queue. [ 319.463426][T12840] block nbd1: shutting down sockets 09:12:45 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:45 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xc020660b, 0x0) 09:12:45 executing program 5: r0 = socket(0x1e, 0x4, 0x0) connect$tipc(r0, &(0x7f0000000080), 0x10) r1 = socket$netlink(0x10, 0x3, 0x15) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000140)='devlink\x00') sendmsg$DEVLINK_CMD_PORT_SET(r1, &(0x7f00000009c0)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0xf8, r2, 0x4df, 0x0, 0x0, {}, [{{@pci={{0x8, 0x1, 'pci\x00'}, {0x14, 0x2, '0000:00:10.0\x00'}}, {0x8}}, {0x8}}, {{@pci={{0x8, 0x1, 'pci\x00'}, {0x14, 0x2, '0000:00:10.0\x00'}}, {0x8}}, {0x8}}, {{@nsim={{0x10, 0x1, 'netdevsim\x00'}, {0x10, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {0x8}}, {{@nsim={{0x10, 0x1, 'netdevsim\x00'}, {0x10, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {0x8}}, {{@pci={{0x8, 0x1, 'pci\x00'}, {0x14, 0x2, '0000:00:10.0\x00'}}, {0x8}}, {0x8}}]}, 0xf8}, 0x1, 0xf0ffffffffffff}, 0x0) r3 = getpid() sched_setscheduler(r3, 0x5, &(0x7f0000000380)) r4 = getpgid(0xffffffffffffffff) sendmsg$DEVLINK_CMD_RELOAD(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0xac, r2, 0x8, 0x70bd29, 0x25dfdbff, {}, [{@pci={{0x8, 0x1, 'pci\x00'}, {0x11, 0x2, '0000:00:10.0\x00'}}, @DEVLINK_ATTR_NETNS_PID={0x8, 0x8b, r3}}, {@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_NETNS_ID={0x8, 0x8c, 0x1}}, {@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_NETNS_ID={0x8, 0x8c, 0x1}}, {@pci={{0x8, 0x1, 'pci\x00'}, {0x11, 0x2, '0000:00:10.0\x00'}}, @DEVLINK_ATTR_NETNS_PID={0x8, 0x8b, r4}}]}, 0xac}, 0x1, 0x0, 0x0, 0x24004044}, 0x0) r5 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab02, 0x0) 09:12:45 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, 0x0, 0x0) [ 319.662114][T10466] block nbd1: Receive control failed (result -107) [ 319.671950][T12849] block nbd1: shutting down sockets 09:12:45 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, 0x0, 0x0) [ 319.728387][ T27] audit: type=1400 audit(1580116365.281:74): avc: denied { write } for pid=12853 comm="syz-executor.5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_crypto_socket permissive=1 [ 319.756544][T12856] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 09:12:45 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 319.784665][T12850] block nbd1: Could not allocate knbd recv work queue. [ 319.819723][T12850] block nbd1: shutting down sockets [ 319.833847][T12856] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 09:12:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xc0481273, 0x0) 09:12:45 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, 0x0, 0x0) 09:12:45 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x0, 0x0, 0x102, 0x8000003}, 0x20) [ 320.044221][T10466] block nbd1: Receive control failed (result -107) [ 320.054048][T12867] block nbd1: shutting down sockets 09:12:45 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 320.087014][T12868] block nbd1: Could not allocate knbd recv work queue. [ 320.116215][T12868] block nbd1: shutting down sockets 09:12:45 executing program 5: ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab02, 0x0) 09:12:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x2) 09:12:45 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x0, 0x0, 0x102, 0x8000003}, 0x20) 09:12:45 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x40040, 0x0) fsetxattr$trusted_overlay_opaque(r0, &(0x7f0000000080)='trusted.overlay.opaque\x00', &(0x7f00000000c0)='y\x00', 0x2, 0x2) r1 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab02, 0x0) 09:12:46 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:46 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 320.459759][T10466] block nbd1: Receive control failed (result -107) [ 320.469394][T12878] block nbd1: shutting down sockets 09:12:46 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x0, 0x0, 0x102, 0x8000003}, 0x20) [ 320.558934][T10466] block nbd1: Receive control failed (result -107) [ 320.566887][T12878] block nbd1: shutting down sockets 09:12:46 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x3) 09:12:46 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x0, 0x8000003}, 0x20) [ 320.645525][ C1] net_ratelimit: 6 callbacks suppressed [ 320.645554][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:46 executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x4, 0x4, 0x4, 0xd}, 0x2c) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000100)={r0, 0x28, &(0x7f0000000080)={0x0, 0x0}}, 0x10) bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000140)={r1}, 0xc) r2 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={r1, 0xc78, 0x18}, 0xc) fsetxattr$trusted_overlay_nlink(r2, &(0x7f0000000040)='trusted.overlay.nlink\x00', &(0x7f00000000c0)={'U+', 0x2}, 0x16, 0x2) r3 = socket(0x1e, 0x4, 0x0) connect$tipc(r3, &(0x7f0000000080), 0x10) r4 = getpgid(0xffffffffffffffff) r5 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x6, 0x0, 0x0, 0x0, 0x41c3, 0xc2000, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x2, 0x4}, 0x2, 0x2, 0x0, 0x0, 0x0, 0xfffeffff}, r4, 0x1, 0xffffffffffffffff, 0x2) r6 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x8000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xb2634077cc202dea}, 0x1}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r7 = memfd_create(&(0x7f00000001c0)='-B\xd5NI\xc5j\xbappp\xf0\b\x84\xa2m\x00:)\x00\xbb\x8d\xac\xacva}knh#\xcb)\x0f\xc8\xc0:\x9cc\x10d\xee\xa9\x8bCc\xad\x89\x9ck\xde\xc5\xe96\xddU\xa9=\xcdJx\xaa\x8f~\xb90a\xa9\xb2\x04K\x98\x93?\x88Q\xf7\xd6\x1d\xa1\xce\x8b\x19\xea\xef\xe3\xab\xb6\xa5$4\xd6\xfe7\x0f\xe7\xd9$\xce \xabN\xae\xc9\xbd\xd3g@\xe1\'s\x0e\x90\xf2\xcdr\xb8(', 0x0) pwrite64(r7, &(0x7f000003bfff)='/', 0x1, 0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x4, 0x11, r7, 0x0) lseek(r6, 0x0, 0x1) r8 = open(&(0x7f00000003c0)='\x00', 0x0, 0x0) lseek(r8, 0x0, 0x0) write$P9_RSTAT(r8, 0x0, 0x0) sendfile(r5, r7, 0x0, 0xc2) sendfile(r7, r7, &(0x7f0000000100), 0x7f8) symlink(&(0x7f0000001000)='./file0\x00', &(0x7f0000000080)='./file0\x00') perf_event_open(&(0x7f0000000280)={0x1, 0x70, 0x9, 0x7f, 0xfff, 0x3, 0x0, 0x9, 0x80401, 0x8, 0x1, 0x801, 0x2, 0x0, 0x0, 0x1, 0x20, 0x4de, 0x7fff, 0x101, 0x1ff, 0x8, 0xc4, 0x9, 0x81, 0x8, 0x88f, 0xba5e, 0x6, 0x6, 0x1, 0x5, 0x1ff, 0x81, 0x7, 0x8, 0x7ff, 0x56, 0x0, 0x4, 0x0, @perf_bp={&(0x7f0000000240), 0x2}, 0x1000, 0x3b3f, 0x9, 0x6, 0x3d9981b5, 0x8, 0x9}, 0xffffffffffffffff, 0xffffffffffffffff, r6, 0x1) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x2, 0x0, 0x1, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x3, 0xa73c}}, r4, 0xfffffffffeffffff, 0xffffffffffffffff, 0x0) r9 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r9, &(0x7f0000000100)={0xa, 0x0, 0x0, @mcast2, 0x5}, 0x1c) r10 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/nf_conntrack\x00') preadv(r10, &(0x7f00000001c0)=[{&(0x7f0000000100)=""/170, 0xaa}], 0x1, 0x2) setsockopt$XDP_TX_RING(r10, 0x11b, 0x3, &(0x7f00000000c0)=0x2, 0x4) syz_open_procfs(0x0, &(0x7f0000000040)='net/protocols\x00') syz_open_procfs(0x0, &(0x7f00000002c0)='auxv\x00') 09:12:46 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 320.837549][T10466] block nbd1: Receive control failed (result -107) [ 320.852893][T12891] block nbd1: shutting down sockets [ 320.864375][ T27] audit: type=1400 audit(1580116366.431:75): avc: denied { map } for pid=12892 comm="syz-executor.0" path=2F6D656D66643A2D42D54E49C56ABA707070F00884A26D202864656C6574656429 dev="tmpfs" ino=47492 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:tmpfs_t:s0 tclass=file permissive=1 09:12:46 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:46 executing program 5: r0 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcsu\x00', 0x20002, 0x0) sendmmsg$alg(r0, &(0x7f0000002640)=[{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f00000000c0)="0be649b9eebd087d18c7e146d51a0eb6cdcb2d2dd66f5bee5b506db845a0d10df5217e4078565481e38ed5105ac2f35ef18d6e2be3d0348ce91d7935b013ba8d87db555d81b9d855bbf9b2113d8315d059309d36db157c02f33aaa83d40a24c30d3bf859a7cabf31bdf16dab3ff67b55a7ab99f2f76b9bddd26fe2e5a94bc63d06d5bcd4acac100836deba0a37", 0x8d}, {&(0x7f0000000180)="eaf08ed5471ac41dcde7c05b7b205bf9bb51d1d98a3e31d27da1703192781545f3c06a4363596d66f2f78d6214d12cef7739d8c0e43bb3f6316069a59c9b0b01f532a7be9bb80b10e1d3009e9efab48ffbf344d67e667dfe12091eb07189a1256481f6d2e02213e1a9d1437f23c151d8bc4b5a3d5cc3b866820494dfdfa529363ab1e8737449d549bbb49e1f083aba2d00b9228639d4f525e87326c49c700f4e41e6", 0xa2}], 0x2, &(0x7f0000000240)=[@op={0x18}, @op={0x18}, @assoc={0x18, 0x117, 0x4, 0x7}], 0x48, 0x40}, {0x0, 0x0, &(0x7f0000000300)=[{&(0x7f00000002c0)="26073067e576a7d3397202a432f1881852c5bd073402e6e635eedf949d685d54434ce8b3c2225502d0", 0x29}], 0x1, &(0x7f0000000340)=ANY=[@ANYBLOB="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"], 0x1a0, 0x4000}, {0x0, 0x0, &(0x7f00000006c0)=[{&(0x7f0000000500)="d986f5aaedd9ac8bfd080ef2955511db44650c2e4e031c8660976a", 0x1b}, {&(0x7f0000000540)="05e99726e24206d280a00fb9883513e8ffa30ed22e62eb861b6d1361a231ea3576133300be0c327656b170f059ff860dd3b6ddbfc6e079958faf8b41ed12a3411f2c0ad1be356decdac2c137ace4a69c68e4baea8daae4e405687aa45c00bdd8c7b8611c870a740c6ea3c0f239ac26101ca90a472ac759f709a104229d6dcaf2bf2349", 0x83}, {&(0x7f0000000600)="8521e6f5c45e9f77c9dfa19f7352b4072d3f9f407a24b39a83bdb5ac", 0x1c}, {&(0x7f0000000640)="4e88ab302f5d1a218816816130ad054353522a9e7165b6a7ca01d7bf165006599c86e476dc6df41dfbcbee47e6af23cb16d8d71e0c0e0a7a4f9b9eab6f949113b31830ceed52d5070cee", 0x4a}], 0x4, 0x0, 0x0, 0x4048010}, {0x0, 0x0, &(0x7f0000000c40)=[{&(0x7f0000000700)="b5cbc7802311f519bdf38f68a40b640766e91742a539f4f96760d55e8ee0f9bef2076183e025ac717a9f5d9863bc116198f00d24816754c7a9dca17f6c8f7745cfc32642217a6dc1d83a39d2ce0e82b235a6c57f254c30322cc6fc894fbff2c1dd5873801ddccb7abb14d45fda35fe5809099fbc39fba2521254894f8ac79ebdd1471e30c3665363cfac2c8c57f546723a53c5a12482e99df55a0cadfced3269a79d1a50e3c436fde379581d6f61ab8984f33b34994247f65f87d37c0c859924867e1199f1634a1a1916858f41aecd445541d2933460320f7342e8cd429160fc230afcf6ca09eab368", 0xe9}, {&(0x7f0000000800)="fb4349d2cb7dfd7dfbf7186c4cdef24ca8ead41f57029fdd63ef570da87fd68b67", 0x21}, {&(0x7f0000000840)="4992113c07a0871daa3938d1e5d64e628c774a1c1cadcd5d5f162cb055b8965893d6ed9c1393d7b68fc55b7ab33d42060c86cab9af7f6f63b93f31b25bb0f583741ec743c98111d70777bd3fbc653464f53c7945203406b86840affb2d5d922024c9df8eed303d6eaba5494a720d36bc643b80f66eaaecfc5199625d066887649d4adcaddf4ea8417573ee4cb862c604a8a73fa064e6ba95829bf77592b7d8c0138b8120b95e6893fda05220d6d07e", 0xaf}, {&(0x7f0000000900)="00a9d7593581a38597f02517ccc3ecdf761a3bf686e888e30945b28a7d2a61da63b889f9bfd1873c22896cb6e3150450499b37452e9d4dec0d47ce1c79942053292dad59123af46360537d56f01772a92c3d4ec8a6fed7a95695a2b82dbb4ccf7688197494a418762880b895f91979654e68292ab848adfab5d81fe94aa90cac06bb8a6568dec27dd425c6ef5b56d809f7994813b8ede06981d514979aaa4f3b9eea55be9acfcb97e0614b206d9a4e0d7f1e7f152d6d193e9e3edb261b8427864cbfb49aa2b80e083eac06846fceac715f015dc27195d8f219cfed7dae5728c48dfd274d0f807baf46bd5a3a15fcab6d2765ed9419e75c7e25", 0xf9}, {&(0x7f0000000a00)="78b619870b9ffc85d824a7d1ff2c56d429883c34b539a57aab48d62dd522b8c4d59e0b0a0f39808e595594b56f613af9fdb77d267c883b7396b42c94e91e769f208ab21ea12c606e421116a6097ca979a5fd875b88c36ff45072c1c8e06dd8177a769684431ea199e3bf155d3998446ffc82fd1e63abe94b8407e600436b1119911c2376", 0x84}, {&(0x7f0000000ac0)="14dd20983e1bb01c68bb1627092902b3a3d1b5bdb4ca7d109a0eb25977e75a89a020606cb6f5e9fc7646e33c6178a68adcdb45080469c5379983fa12992a9bcb4d728d8446eef4f6727faf5a15225f538b50317d6983f1e9488b7b55772a0f80cc262ad50aa5747fe3012275ef08577f3925", 0x72}, {&(0x7f0000000b40)="ef02238e9f0b3824b3479af34d81270b7953a4c6a59d7ff916f9cf39f384c9f01b72398c908ec3bd2a23e39277fce1388adb8b3f2872e9e8", 0x38}, {&(0x7f0000000b80)="29d0cfc8830127c301fda65fbdc6e06ef609184f24097bd54f603316343e5a8ac9013fb169c6df4d27ac3af78705601ca575f3f759b90584a5db67550d9e7f1527816ca21ea2ec22c1995e5d60d7eca4a81d0c44088ab021f52e966c6c11935ea0b22b0ca586eacc95fcdc695136d65bc5ddc6181d0848d301b2815c86b536232f9ef80ac34c97a1", 0x88}], 0x8, 0x0, 0x0, 0xc805}, {0x0, 0x0, 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0x1000}, {&(0x7f0000002000)="37e1dbea95c1998666200f0b050ab327747b2845bbc87c86b355eda7f3b119f0f3af2b32e3ae2703d84ec82b8b6770067909177e0c365b286857327a896db10860b2bc11ded2839d51d54064192e028c12856ceaeb61e213921b0111d32e6262f55d9d327dc2acbbbc65d6aaed0286c08600ef766e893e6eeaccaf87ded67d664f8db3653a6aba4af306e599b889068c801d78b49b86112f5135987d5f487fbcd4b3d6f369cf395067942290dea06bfb6d22b354bc3e5b4691aa7c09d05a295c63d354d7036a6d4a15149f644554b396d57d5fa3", 0xd4}, {&(0x7f0000002100)="1d2ce65478ce468a8028a126f3d4286241d334eb4f03f162cd18f31d7a94b3a2c761204cad10d04c134df799c06f5023ec3f2f247ddc04626a2febaa5736cac72492efedf7bc572b42603be1638b158c0988380d9c9485d8", 0x58}, {&(0x7f0000002180)="4b8e329ea2818237b912923d760b9b1f49348c2a82aeaaaa184c772567c760efebc2cc77fe88f532d6095b02c51462264bc7b254718b6c1771e97c78886e9144ceec6fd27243d6e05f124b1f6fe72da885fce4105e1e9b7497ea8210221e3c6e135eddd701d8dc99abf2f89151f5301da52521fc4dd4dfc7c5a7f015719524545801049da663cec2d797f1ba1ec67a92069eba33994adae697d5243fc4786f4783f5db311ae9676b41916ef7672ce4938fce96119faf82536651dd054720db9a8dc0b6d8fc01985449588b685c0aa36373e160aee12c0bdd2ae9", 0xda}, {&(0x7f0000002280)="e40354b1d7862b3a1807df32179ee01645435bb17ad416af540e6d3d3d4afa5e1d36ac89d5f9aedf728145711470ec7b45609368f31268d2828916d95f305e1456f6bb290bb32abfb53c447cb7a912fa9fa83bd9818366fd65a8053edc140f2939908b6b068f2fda25e059bf659a95697b1ebd77b19a97d54a919e0ceb79bc26e8f1442791323f39c676cdee2058341882d1f97ff131607553ae1cfec521fa1d637b9c0890870410dfefe0d999d5537866f2c187d5c3b15863c9a56dc49a777aa5c769097528f8a284178a6e75aca1a5130623acbe5f967c0eef4c05f91a7584e84a5d482a54a740f1e51bd1c5995cc21bd4b28e", 0xf4}, {&(0x7f0000002380)="296395bae427f8f764c92d57b73020bcf573d688e6fa44b1ad57b8572bb441f376502da744786c5277ecc2a2ffdcdf2d34db3b63e60c84d57a86be5da05dfd5cf0b3a76d957505d3ba94397d0dfda7b53034a2d6c3ea2f7d72624e8f7b985bd616ffe560c258bb0b7c298b5393104b4b8b905496fcfa333f518a7571eef61b1c39635deef653ea738d5c56694ba94f3d1857824ab19e28f0c7c1073a79b3bbb5eee3718e1a6646c0fb7971bdbb4c6930e86b86842559c8e60e808ac663bbe4f88f7cf661ca56125ec10aabc1aef6a736f42f4328b7b8e4095ea84d4c65ed8586173df8ae74f085cec0e1821982899661", 0xf0}, {&(0x7f0000002480)="9b3efd8b6c6bb406ef826927a27b20b9aac2c1db0af1e7702cb393943554f8266d52d6e116bdde5c34f57264b907d0596d5d0a3a08291d9f3c4c06e65bdcddbb6e38b26fd37f5b7f527195ee7fdcb62fa1b4c312cbf556214c1e5636fa5d8807f0c521dd62de5ef7ac5f6eab88e13b11ccbf4a3c236175b6ff6601c496ef1edf18786138d250bf853ccd6827fba09afd92d347f5925d8837fe47e8a5fb8ebba9ce02663f66b9ed", 0xa7}], 0xa, &(0x7f0000002600), 0x0, 0x4c000}], 0x6, 0x4000000) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x448441) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab02, 0x0) [ 320.999416][T10466] block nbd1: Receive control failed (result -107) [ 321.017189][T12891] block nbd1: shutting down sockets 09:12:46 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x0, 0x8000003}, 0x20) 09:12:46 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x4) 09:12:46 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) openat$selinux_user(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/user\x00', 0x2, 0x0) openat$md(0xffffffffffffff9c, &(0x7f0000000000)='/dev/md0\x00', 0x20100, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0xfffffffffffffffe) [ 321.214641][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 321.319036][T10466] block nbd1: Receive control failed (result -107) [ 321.328230][T12913] block nbd1: shutting down sockets 09:12:47 executing program 0: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x4400) r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000000)='/dev/null\x00', 0x345000, 0x0) ioctl$RTC_WKALM_SET(r0, 0x4028700f, &(0x7f0000000040)={0x0, 0x0, {0x1b, 0x37, 0x1, 0x4, 0x6, 0x8, 0x0, 0x5c, 0xffffffffffffffff}}) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0x125f, 0x0) 09:12:47 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:47 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x5) [ 321.398553][T10466] block nbd1: Receive control failed (result -107) [ 321.419608][T12913] block nbd1: shutting down sockets 09:12:47 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x0, 0x8000003}, 0x20) 09:12:47 executing program 5: openat$urandom(0xffffffffffffff9c, &(0x7f0000000000)='/dev/urandom\x00', 0x640002, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:12:47 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 321.655316][T10466] block nbd1: Receive control failed (result -107) [ 321.664424][T12930] block nbd1: shutting down sockets 09:12:47 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102}, 0x20) [ 321.701670][T10466] block nbd1: Receive control failed (result -107) [ 321.701975][T12933] block nbd1: shutting down sockets 09:12:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) r2 = syz_genetlink_get_family_id$gtp(&(0x7f0000000040)='gtp\x00') r3 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/commit_pending_bools\x00', 0x1, 0x0) sendmsg$GTP_CMD_GETPDP(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x1c, r2, 0x100, 0x70bd29, 0x25dfdbff, {}, [@GTPA_NET_NS_FD={0x8, 0x7, r3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000010}, 0x10) 09:12:47 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 321.765099][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:47 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x6) 09:12:47 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 321.940144][T10466] block nbd1: Receive control failed (result -107) [ 321.949260][T12940] block nbd1: shutting down sockets 09:12:47 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102}, 0x20) [ 322.019241][T10466] block nbd1: Receive control failed (result -107) [ 322.027065][T12940] block nbd1: shutting down sockets 09:12:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x80381) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x80000000000004) r1 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/mls\x00', 0x0, 0x0) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) r3 = geteuid() sendmsg$nl_route(r2, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)=@can_newroute={0x28, 0x18, 0x4, 0x70bd2d, 0x25dfdbfd, {0x1d, 0x1, 0x5}, [@CGW_FILTER={0xc, 0xb, {{}, {0x0, 0x1, 0x1, 0x1}}}, @CGW_MOD_UID={0x8, 0xe, r3}]}, 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x400c0) ioctl$VIDIOC_TRY_ENCODER_CMD(r1, 0xc028564e, &(0x7f0000000080)={0x2, 0x1, [0x2, 0x2, 0x22bec7eb, 0x8, 0xe3f, 0x6, 0x6]}) 09:12:47 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x7) 09:12:47 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102}, 0x20) [ 322.173667][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$SOUND_PCM_READ_RATE(r2, 0x80045002, &(0x7f0000000000)) 09:12:47 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 322.370811][T10466] block nbd1: Receive control failed (result -107) [ 322.380529][T12958] block nbd1: shutting down sockets [ 322.434635][T10466] block nbd1: Receive control failed (result -107) [ 322.435081][T12960] block nbd1: shutting down sockets 09:12:48 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102}, 0x20) 09:12:48 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xc8800) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = accept$inet(0xffffffffffffffff, &(0x7f0000000000)={0x2, 0x0, @local}, &(0x7f0000000040)=0x10) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r1, 0x6, 0x1d, &(0x7f00000000c0)={0x5, 0x40000, 0x1, 0x401, 0x9}, 0x14) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) getsockopt$inet_dccp_int(r2, 0x21, 0x10, &(0x7f0000000100), &(0x7f0000000140)=0x4) r3 = socket$inet_udp(0x2, 0x2, 0x0) r4 = dup2(r3, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$USBDEVFS_RESETEP(r4, 0x80045503, &(0x7f0000000180)={0x3}) 09:12:48 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x10) 09:12:48 executing program 4: getpid() perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102}, 0x20) [ 322.726353][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 322.744246][T10466] block nbd1: Receive control failed (result -107) [ 322.753915][T12973] block nbd1: shutting down sockets 09:12:48 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) bind$inet6(0xffffffffffffffff, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(0xffffffffffffffff, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:48 executing program 0: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer\x00', 0x10002, 0x0) ioctl$TIOCL_PASTESEL(r0, 0x541c, &(0x7f0000000100)) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0x125f, 0x0) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) bind$unix(r2, &(0x7f0000000000)=@abs={0x0, 0x0, 0x4e22}, 0x6e) [ 322.819780][T10466] block nbd1: Receive control failed (result -107) [ 322.820013][T12975] block nbd1: shutting down sockets 09:12:48 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x48) 09:12:48 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:48 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:48 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) bind$inet6(0xffffffffffffffff, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(0xffffffffffffffff, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 323.071073][T10466] block nbd1: Receive control failed (result -107) [ 323.080948][T12986] block nbd1: shutting down sockets [ 323.129763][T10466] block nbd1: Receive control failed (result -107) [ 323.130097][T12987] block nbd1: shutting down sockets 09:12:48 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x4c) 09:12:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000140)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = shmget(0x0, 0x4000, 0x40, &(0x7f0000ffc000/0x4000)=nil) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0\x00'}, 0x10) shmctl$SHM_LOCK(r1, 0xb) r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO(r3, 0xc02c5341, &(0x7f00000000c0)) [ 323.224105][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 323.354563][T10466] block nbd1: Receive control failed (result -107) [ 323.368524][T12997] block nbd1: shutting down sockets 09:12:49 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) get_mempolicy(&(0x7f0000000000), &(0x7f0000000040), 0x2, &(0x7f0000000000/0x3000)=nil, 0x1) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000100)='/dev/null\x00', 0x101900, 0x0) accept4$vsock_stream(r1, &(0x7f0000000140)={0x28, 0x0, 0x2711, @local}, 0x10, 0x80800) [ 323.438948][T10466] block nbd1: Receive control failed (result -107) [ 323.439136][T13000] block nbd1: shutting down sockets 09:12:49 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) bind$inet6(0xffffffffffffffff, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(0xffffffffffffffff, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:49 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x68) 09:12:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) 09:12:49 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 323.686264][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:49 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 323.755225][T10466] block nbd1: Receive control failed (result -107) [ 323.765632][T13011] block nbd1: shutting down sockets 09:12:49 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) openat$fuse(0xffffffffffffff9c, &(0x7f0000000040)='/dev/fuse\x00', 0x2, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x900, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) sendmsg(r1, &(0x7f0000001580)={&(0x7f00000000c0)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e20, @multicast1}, 0x1, 0x1, 0x3, 0x4}}, 0x80, &(0x7f00000013c0)=[{&(0x7f0000000140)="4b2c076445d39f5bb59ca6b659821e99f7e0ca7e1d824b3b010724ad7fcbb9c2186340410cc14e1f56c422691cb8abc6608616d9ee76a06ec94999c0f0fbd0381275173935ea20ad85a950301d3e9d72acf0a31fa9248d3f689769ac040f4da5427c5cf954f4db1150930fb0ebddc70aa5d908aac0946340451aae26fc159d563a3b04828c8a74fc58750effc339fdb9fb5878811b22", 0x96}, {0xffffffffffffffff}, {&(0x7f0000000200)="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", 0x1000}, {&(0x7f0000001200)="35728dbd763467fa2b159b4c55aa6ad88e134be847f27e4683bc14b4fc242db5bf7686a5969a5afcb2c5b88c07937df7c363298fb4bcb1059cc87aba65e3bc9a8206860a07cd2a6adb8b86946bcc0808c5176382d46bb4c52caa81a310525a49938362d32b16edcda141a2c74a89063af1d9a4dc461e8c3d6e8edc832b3639e41f1d93e5d59609e7c0", 0x89}, {&(0x7f00000012c0)="abd866feab101f37ff1cff90b490490b139a1ad258fcf7672b6c919d6a9a1bd70c4ca2e07fccd98e8ca40678cff94d1b39e6aab6414e68ba619c8a96f56ecea07b7b0fa2dd22f31b95de82305e0a499b3f3f", 0x52}, {&(0x7f0000001340)="b163de6d5076ee44d904b6bb7fe9339d2583873e4310496c70200c790f5d3a4c34ba00da3369bc9f50e02ea38089eaf0e5fbed713361c469cf1f0b03b8aed3d6c5f2668cfb72caf108aa671db53b", 0x4e}], 0x6, &(0x7f0000001440)=[{0xe8, 0x10f, 0x4, "70b867e10376528909ba4c945cbddaf569a2b1fad11ca2f707f9b565530e00b7b67a9e390aaa1377accfa845eced71cb2c35d0c14e88d6c3a2740438866b135cd23545de4296d41612304e3ac8f038216ef9e6576e0dc93c5639f8334c14ba7cae2c73e69bf59376995bb8fe283737ff12273fbd128d78b4b99fa5638b6a4fc82887a60ab4f432b2475d0975774b1b7b1c481f07335133bf8a67f4ab470f28e8e0beba96a86e16a997658aeb79a0ac65bdaebdf71d6f3721cb4a6c87acdb93a61ebbc2da7f9898241727aeeda5fde2ffecfc955945"}, {0x28, 0x11, 0x4e9, "d2425ffee55d55650dad67514c55754bbccef0"}], 0x110}, 0x20080) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000015c0)='/dev/nvme-fabrics\x00', 0x1614c0, 0x0) ioctl$PERF_EVENT_IOC_DISABLE(r2, 0x2401, 0x8) 09:12:49 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x6c) [ 323.973352][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:49 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 324.068414][T10466] block nbd1: Receive control failed (result -107) [ 324.078443][T13025] block nbd1: shutting down sockets 09:12:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0xcc0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/enforce\x00', 0x10000, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000280)='IPVS\x00') sendmsg$IPVS_CMD_SET_INFO(r1, &(0x7f0000000400)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x44, r3, 0x100, 0x70bd29, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x8}, @IPVS_CMD_ATTR_DAEMON={0x14, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e21}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x8}]}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e22}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x8080}, 0x20004050) r4 = socket(0x10, 0x80002, 0x0) close(r4) r5 = syz_genetlink_get_family_id$batadv(&(0x7f0000000200)='batadv\x00') ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r2, 0x8933, &(0x7f00000001c0)={'batadv0\x00', 0x0}) sendmsg$BATADV_CMD_GET_MESH(r4, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000440)=ANY=[@ANYBLOB="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", @ANYRES16=r5, @ANYBLOB="0f0000000000000000000f00000008000300", @ANYRES32=r6, @ANYBLOB="050033000f000000"], 0x24}}, 0x0) sendmsg$BATADV_CMD_GET_ORIGINATORS(r1, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="020028bd7000fddbdf2508000000080032000400000005002f000100000005003800000000000800310000800000080032000700000005002a000000000005002e0001000000060028000000000008003c00ff0f00000800310002000000"], 0x64}, 0x1, 0x0, 0x0, 0x4}, 0x4000000) [ 324.115108][T10466] block nbd1: Receive control failed (result -107) [ 324.115572][T13027] block nbd1: shutting down sockets [ 324.143357][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:49 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x74) [ 324.283475][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:49 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) bind$inet6(0xffffffffffffffff, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(0xffffffffffffffff, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) fcntl$getownex(r1, 0x10, &(0x7f0000000000)={0x0, 0x0}) ioprio_set$pid(0x4, r2, 0x7) 09:12:50 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:50 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 324.430545][T10466] block nbd1: Receive control failed (result -107) [ 324.439835][T13036] block nbd1: shutting down sockets [ 324.503435][T10466] block nbd1: Receive control failed (result -107) [ 324.517817][T13036] block nbd1: shutting down sockets 09:12:50 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x7a) [ 324.702011][T10466] block nbd1: Receive control failed (result -107) [ 324.710958][T13050] block nbd1: shutting down sockets 09:12:50 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 324.791540][T10466] block nbd1: Receive control failed (result -107) [ 324.792004][T13051] block nbd1: shutting down sockets 09:12:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/checkreqprot\x00', 0x100, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x7) r2 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000000)='pids.current\x00', 0x0, 0x0) ioctl$VIDIOC_ENUM_FRAMEINTERVALS(r2, 0xc034564b, &(0x7f0000000040)={0x8, 0x31435641, 0x7, 0x6, 0x3, @stepwise={{0x0, 0x5}, {0x10005, 0x7ff}, {0x0, 0x7fffffff}}}) clock_gettime(0x0, &(0x7f0000000100)={0x0, 0x0}) ioctl$VIDIOC_QUERYBUF(0xffffffffffffffff, 0xc0585609, &(0x7f0000000140)={0x9, 0x6cd3830c3e087d3c, 0x4, 0x80000000, 0x0, {r3, r4/1000+30000}, {0x2, 0x2, 0x0, 0x20, 0xd3, 0x80, "a4f53cb2"}, 0x4, 0x2, @userptr=0x8, 0x1, 0x0, r1}) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$gtp(&(0x7f0000000040)='gtp\x00') sendmsg$GTP_CMD_NEWPDP(r6, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000240)={0x40, r7, 0x1, 0x0, 0x0, {}, [@GTPA_MS_ADDRESS={0x8, 0x5, @dev}, @GTPA_VERSION={0x8}, @GTPA_PEER_ADDRESS={0x8, 0x4, @broadcast}, @GTPA_TID={0xc}, @GTPA_LINK={0x8}]}, 0x40}}, 0x0) sendmsg$GTP_CMD_DELPDP(r5, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r7, 0x1, 0x70bd2c, 0x25dfdbfb, {}, [@GTPA_TID={0xc, 0x3, 0x1}, @GTPA_NET_NS_FD={0x8}, @GTPA_O_TEI={0x8}, @GTPA_NET_NS_FD={0x8, 0x7, r1}]}, 0x38}, 0x1, 0x0, 0x0, 0x8040}, 0x40000) 09:12:50 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x300) [ 325.025569][T10466] block nbd1: Receive control failed (result -107) [ 325.034998][T13061] block nbd1: shutting down sockets 09:12:50 executing program 0: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0x125f, 0xfffffffffffffffc) r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = socket$inet_udp(0x2, 0x2, 0x0) r5 = dup2(r4, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$DRM_IOCTL_AGP_ALLOC(r5, 0xc0206434, &(0x7f00000000c0)={0x7e, 0x0, 0x1, 0x4}) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000040)={0x9, r6, 0x0, 0x52}) 09:12:50 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 325.069884][T10466] block nbd1: Receive control failed (result -107) [ 325.078375][T13061] block nbd1: shutting down sockets 09:12:50 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:50 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) bind$inet6(0xffffffffffffffff, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(0xffffffffffffffff, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:50 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x500) 09:12:50 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 325.359995][T10466] block nbd1: Receive control failed (result -107) [ 325.369951][T13072] block nbd1: shutting down sockets [ 325.548474][T10466] block nbd1: Receive control failed (result -107) [ 325.548670][T13076] block nbd1: shutting down sockets 09:12:51 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:51 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:51 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x600) 09:12:51 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 326.008456][T10466] block nbd1: Receive control failed (result -107) [ 326.017959][T13084] block nbd1: shutting down sockets [ 326.020869][ C0] net_ratelimit: 6 callbacks suppressed [ 326.020896][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 326.078101][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 326.120615][T13086] block nbd1: shutting down sockets 09:12:51 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x700) 09:12:51 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:51 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 326.288251][T10466] block nbd1: Receive control failed (result -107) [ 326.297214][T13092] block nbd1: shutting down sockets [ 326.316732][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:51 executing program 0: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1e, 0x4, 0x0) connect$tipc(r0, &(0x7f0000000080), 0x10) getsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000000), &(0x7f0000000040)=0x4) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ubi_ctrl\x00', 0x202400, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) openat$hwrng(0xffffffffffffff9c, &(0x7f0000000100)='/dev/hwrng\x00', 0x200240, 0x0) r3 = socket$inet_udp(0x2, 0x2, 0x0) r4 = socket(0x1e, 0x4, 0x0) connect$tipc(r4, &(0x7f0000000080), 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f00000001c0)=@sack_info={r5, 0x6000, 0x80000000}, 0x0) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r4, 0x84, 0x9, &(0x7f0000000180)={r5, @in={{0x2, 0x4e21, @empty}}, 0xf0000000, 0xfff, 0x800, 0xa6, 0x2a, 0x600, 0x6}, 0x9c) r6 = dup2(r3, r3) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) ioctl$SNDRV_CTL_IOCTL_TLV_COMMAND(r6, 0xc008551c, &(0x7f0000000140)={0x1, 0x10, [0x5, 0x8, 0xa4, 0x2]}) r7 = socket$inet_udp(0x2, 0x2, 0x0) r8 = dup2(r7, r7) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) ioctl$NBD_SET_SIZE_BLOCKS(r8, 0x125f, 0xf0) [ 326.335678][T10466] block nbd1: Receive control failed (result -107) [ 326.336052][T13093] block nbd1: shutting down sockets [ 326.393570][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$VIDIOC_SUBDEV_G_SELECTION(r2, 0xc040563d, &(0x7f0000000000)={0x1, 0x0, 0x2, 0x2, {0x4, 0x1000, 0x9, 0xafa1}}) [ 326.494819][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:52 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:52 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x103d) [ 326.689838][T10466] block nbd1: Receive control failed (result -107) [ 326.699117][T13104] block nbd1: shutting down sockets [ 326.726395][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:52 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 326.750143][T10466] block nbd1: Receive control failed (result -107) [ 326.759757][T13104] block nbd1: shutting down sockets 09:12:52 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x1f00) 09:12:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000001c0)='/dev/nbd#\x00', 0x0, 0x50c40) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = socket(0x1e, 0x4, 0x0) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) r3 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000280)='/selinux/commit_pending_bools\x00', 0x1, 0x0) connect$pppl2tp(r2, &(0x7f0000000200)=@pppol2tpv3={0x18, 0x1, {0x0, r3, {0x2, 0x4e22, @multicast1}, 0x1, 0x4, 0x2}}, 0x2e) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000140)='/dev/nvram\x00', 0x2080, 0x0) ioctl$SG_GET_ACCESS_COUNT(r4, 0x2289, &(0x7f0000000180)) connect$tipc(r1, &(0x7f0000000240)=@id={0x1e, 0x3, 0x3, {0x4e24, 0x3}}, 0x10) sendmsg$NFNL_MSG_CTHELPER_DEL(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x38, 0x2, 0x9, 0x401, 0x0, 0x0, {0xa, 0x0, 0x7}, [@NFCTH_NAME={0x9, 0x1, 'syz0\x00'}, @NFCTH_QUEUE_NUM={0x0, 0x3, 0x1, 0x0, 0xb13}]}, 0xfffffffffffffd85}, 0x1, 0x0, 0x0, 0x84}, 0x40004) [ 326.902792][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 326.970875][T10466] block nbd1: Receive control failed (result -107) [ 326.981393][T13115] block nbd1: shutting down sockets [ 327.029903][T10466] block nbd1: Receive control failed (result -107) [ 327.037819][T13115] block nbd1: shutting down sockets 09:12:52 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:52 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:52 executing program 0: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x80, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x1e, 0x4, 0x0) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/drop_packet\x00', 0x2, 0x0) setsockopt$inet_tcp_TLS_TX(r3, 0x6, 0x1, &(0x7f0000000140)=@ccm_128={{0x303}, "5dddf26beb373d46", "e0d0041726b17b2d2bb1901487760f2f", "6138c5a9", "e4ebf36cb2915d1f"}, 0x28) connect$tipc(r2, &(0x7f0000000080), 0x10) ioctl$VIDIOC_DQBUF(r1, 0xc0585611, &(0x7f00000000c0)={0x40000000, 0xc, 0x4, 0x2000, 0x10001, {}, {0x1, 0xc, 0x9, 0x5, 0x8a, 0x7f, "b1cab602"}, 0x3, 0x4, @userptr=0x6, 0x8, 0x0, r2}) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0x125f, 0x0) r5 = syz_open_dev$mouse(&(0x7f0000000180)='/dev/input/mouse#\x00', 0x721480000000000, 0x280000) ioctl$KVM_SET_NESTED_STATE(r5, 0x4080aebf, &(0x7f00000001c0)={{0x0, 0x0, 0x80, {0x100000, 0x1000, 0x3}}, 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09:12:52 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:52 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x2000) [ 327.336002][T10466] block nbd1: Receive control failed (result -107) [ 327.337149][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 327.345119][T13128] block nbd1: shutting down sockets [ 327.397752][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 327.426345][T10466] block nbd1: Receive control failed (result -107) [ 327.434367][T13128] block nbd1: shutting down sockets 09:12:53 executing program 0: r0 = socket(0x1e, 0x4, 0x0) connect$tipc(r0, &(0x7f0000000080), 0x10) getsockopt$inet6_buf(r0, 0x29, 0x2a, &(0x7f0000000000)=""/23, &(0x7f0000000040)=0x17) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0x125f, 0x0) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) sendmsg$IPCTNL_MSG_TIMEOUT_DEFAULT_SET(r2, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x70, 0x3, 0x8, 0x0, 0x0, 0x0, {0x7, 0x0, 0x1}, [@CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0x6000}, @CTA_TIMEOUT_DATA={0x1c, 0x4, 0x0, 0x1, @icmpv6=[@CTA_TIMEOUT_ICMPV6_TIMEOUT={0x8}, @CTA_TIMEOUT_ICMPV6_TIMEOUT={0x8, 0x1, 0x1, 0x0, 0x80000000}, @CTA_TIMEOUT_ICMPV6_TIMEOUT={0x8}]}, @CTA_TIMEOUT_DATA={0xc, 0x4, 0x0, 0x1, @fccp=[@CTA_TIMEOUT_DCCP_PARTOPEN={0x8, 0x3, 0x1, 0x0, 0xfffffffc}]}, @CTA_TIMEOUT_DATA={0x24, 0x4, 0x0, 0x1, @fccp=[@CTA_TIMEOUT_DCCP_RESPOND={0x8, 0x2, 0x1, 0x0, 0x5}, @CTA_TIMEOUT_DCCP_REQUEST={0x8, 0x1, 0x1, 0x0, 0x7fff}, @CTA_TIMEOUT_DCCP_CLOSEREQ={0x8, 0x5, 0x1, 0x0, 0x7ff}, @CTA_TIMEOUT_DCCP_RESPOND={0x8, 0x2, 0x1, 0x0, 0x1}]}, @CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0x890d}]}, 0x70}, 0x1, 0x0, 0x0, 0x40}, 0x20008840) 09:12:53 executing program 0: r0 = dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_DQEVENT(r0, 0x80885659, &(0x7f00000000c0)={0x0, @data}) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0x125f, 0x8) [ 327.547910][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:53 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x3d10) 09:12:53 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 327.738901][T10466] block nbd1: Receive control failed (result -107) [ 327.748086][T13141] block nbd1: shutting down sockets 09:12:53 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 327.789168][T10466] block nbd1: Receive control failed (result -107) [ 327.789347][T13142] block nbd1: shutting down sockets 09:12:53 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x3f00) 09:12:53 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 328.065669][T10466] block nbd1: Receive control failed (result -107) [ 328.074983][T13150] block nbd1: shutting down sockets 09:12:53 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 328.138554][T10466] block nbd1: Receive control failed (result -107) [ 328.146605][T13150] block nbd1: shutting down sockets 09:12:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = creat(&(0x7f0000000000)='./file0\x00', 0x6) r2 = syz_open_dev$mice(&(0x7f0000000540)='/dev/input/mice\x00', 0x0, 0x0) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000200)='NLBL_UNLBL\x00') sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r2, &(0x7f00000006c0)={&(0x7f0000000580)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000680)={&(0x7f0000000640)={0x38, r3, 0x300, 0x0, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_SECCTX={0x24, 0x7, 'system_u:object_r:apt_exec_t:s0\x00'}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x800) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r3, 0x100, 0x70bd28, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'batadv_slave_1\x00'}]}, 0x44}}, 0x8800) r4 = socket(0x1e, 0x4, 0x0) connect$tipc(r4, &(0x7f0000000080), 0x10) r5 = socket$nl_route(0x10, 0x3, 0x0) r6 = socket(0x10, 0x80002, 0x0) close(r6) r7 = syz_genetlink_get_family_id$batadv(&(0x7f0000000200)='batadv\x00') ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f00000001c0)={'batadv0\x00', 0x0}) sendmsg$BATADV_CMD_GET_MESH(r6, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)={0x24, r7, 0xf, 0x0, 0x0, {0xf}, [@BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r8}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0xf}]}, 0x24}}, 0x0) r9 = socket(0x1e, 0x4, 0x0) connect$tipc(r9, &(0x7f0000000080), 0x10) getsockopt$inet_IP_XFRM_POLICY(r9, 0x0, 0x11, &(0x7f0000000240)={{{@in=@initdev, @in=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in6=@mcast2}}, &(0x7f0000000340)=0xe8) sendmsg$BATADV_CMD_TP_METER_CANCEL(r4, &(0x7f0000000400)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x2c, r7, 0x400, 0x70bd28, 0x25dfdbff, {}, [@BATADV_ATTR_VLANID={0x6, 0x28, 0x2}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5, 0x2e, 0x1}, @BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r10}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000000}, 0x4040000) 09:12:53 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x4000) 09:12:53 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x429c2) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) r2 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000180)='l2tp\x00') sendmsg$L2TP_CMD_TUNNEL_CREATE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000200)={&(0x7f0000000280)=ANY=[@ANYBLOB="d30c805a188669c9ee", @ANYRES16=r2, @ANYBLOB="000125bd7000fddbdf250100000008000a00040000000500210000000000"], 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x10) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) ioctl$EXT4_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000000)=0x20004011) r3 = socket(0x1e, 0x4, 0x0) connect$tipc(r3, &(0x7f0000000080), 0x10) setsockopt$SO_RDS_MSG_RXPATH_LATENCY(r3, 0x114, 0xa, &(0x7f00000001c0)={0x1, '|'}, 0x2) lsetxattr$trusted_overlay_redirect(&(0x7f0000000340)='./file0\x00', &(0x7f00000002c0)='trusted.overlay.redirect\x00', &(0x7f0000000300)='./file0\x00', 0x8, 0x3) [ 328.380889][T10466] block nbd1: Receive control failed (result -107) [ 328.390479][T13159] block nbd1: shutting down sockets [ 328.449644][T10466] block nbd1: Receive control failed (result -107) [ 328.458201][T13159] block nbd1: shutting down sockets 09:12:54 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x4800) 09:12:54 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 328.714774][T10466] block nbd1: Receive control failed (result -107) [ 328.725407][T13170] block nbd1: shutting down sockets 09:12:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x18000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) [ 328.782033][T10466] block nbd1: Receive control failed (result -107) [ 328.790806][T13170] block nbd1: shutting down sockets 09:12:54 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x4c00) 09:12:54 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x200) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) [ 328.958209][T10466] block nbd1: Receive control failed (result -107) [ 328.973840][T13180] block nbd1: shutting down sockets [ 329.016756][T10466] block nbd1: Receive control failed (result -107) [ 329.025501][T13180] block nbd1: shutting down sockets 09:12:54 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x6800) [ 329.207440][T10466] block nbd1: Receive control failed (result -107) [ 329.220232][T13189] block nbd1: shutting down sockets [ 329.267205][T10466] block nbd1: Receive control failed (result -107) [ 329.275425][T13189] block nbd1: shutting down sockets 09:12:54 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) 09:12:54 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x6c00) 09:12:55 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 329.492686][T10466] block nbd1: Receive control failed (result -107) [ 329.501969][T13197] block nbd1: shutting down sockets 09:12:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) syz_open_dev$tty20(0xc, 0x4, 0x0) [ 329.570192][T10466] block nbd1: Receive control failed (result -107) [ 329.578134][T13197] block nbd1: shutting down sockets 09:12:55 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x7400) 09:12:55 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) [ 329.790343][T10466] block nbd1: Receive control failed (result -107) [ 329.800500][T13211] block nbd1: shutting down sockets 09:12:55 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 329.854569][T10466] block nbd1: Receive control failed (result -107) [ 329.862964][T13211] block nbd1: shutting down sockets 09:12:55 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:55 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x7a00) 09:12:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) getsockopt$EBT_SO_GET_INIT_INFO(0xffffffffffffffff, 0x0, 0x82, &(0x7f0000000000)={'broute\x00'}, &(0x7f00000000c0)=0x78) [ 330.034133][T10466] block nbd1: Receive control failed (result -107) [ 330.051398][T13221] block nbd1: shutting down sockets [ 330.154962][T10466] block nbd1: Receive control failed (result -107) [ 330.163373][T13221] block nbd1: shutting down sockets 09:12:55 executing program 0: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0x125f, 0x100000) 09:12:55 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x1000000) 09:12:56 executing program 0: ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0x125f, 0x0) 09:12:56 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) setsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:56 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 330.475980][T10466] block nbd1: Receive control failed (result -107) [ 330.485626][T13234] block nbd1: shutting down sockets [ 330.549506][T10466] block nbd1: Receive control failed (result -107) [ 330.557557][T13234] block nbd1: shutting down sockets 09:12:56 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x2000000) 09:12:56 executing program 0: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000000)='/dev/bsg\x00', 0x80, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$SOUND_OLD_MIXER_INFO(r2, 0x80304d65, &(0x7f0000000040)) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0xe33) 09:12:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0x3f, 0x40) sendmsg$NFT_MSG_GETTABLE(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, 0x1, 0xa, 0x801, 0x0, 0x0, {0x1, 0x0, 0x7}, [@NFTA_TABLE_HANDLE={0xc, 0x4, 0x1, 0x0, 0x2}, @NFTA_TABLE_HANDLE={0xc, 0x4, 0x1, 0x0, 0x800000005}, @NFTA_TABLE_HANDLE={0xc, 0x4, 0x1, 0x0, 0x4}, @NFTA_TABLE_HANDLE={0xc, 0x4, 0x1, 0x0, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x8081}, 0x4000c30) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) 09:12:56 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 330.875921][T10466] block nbd1: Receive control failed (result -107) [ 330.884909][T13246] block nbd1: shutting down sockets [ 331.031134][T10466] block nbd1: Receive control failed (result -107) [ 331.040318][T13246] block nbd1: shutting down sockets 09:12:57 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) setsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:57 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) setsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:57 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x3000000) 09:12:57 executing program 0: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = syz_open_dev$media(&(0x7f0000000000)='/dev/media#\x00', 0x3f, 0x640002) ioctl$SIOCRSSL2CALL(r0, 0x89e2, &(0x7f0000000040)=@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}) 09:12:57 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x101000, 0x0) ioctl$DRM_IOCTL_MODE_LIST_LESSEES(0xffffffffffffffff, 0xc01064c7, &(0x7f00000000c0)={0x6, 0x0, &(0x7f0000000040)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) ioctl$DRM_IOCTL_MODE_REVOKE_LEASE(r1, 0xc00464c9, &(0x7f0000000100)={r2}) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) [ 331.819823][T10466] block nbd1: Receive control failed (result -107) [ 331.823591][ C1] net_ratelimit: 15 callbacks suppressed [ 331.823618][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 331.830772][T13259] block nbd1: shutting down sockets 09:12:57 executing program 0: ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0x125f, 0x0) r0 = socket(0x1e, 0x80000, 0x0) connect$tipc(r0, &(0x7f0000000080), 0x10) r1 = dup2(0xffffffffffffffff, r0) rt_sigreturn() accept4$nfc_llcp(r0, &(0x7f00000000c0), &(0x7f0000000040)=0x60, 0x800) getsockopt$inet6_IPV6_IPSEC_POLICY(r1, 0x29, 0x22, &(0x7f00000002c0)={{{@in6=@ipv4={[], [], @multicast1}, @in=@empty}}, {{@in=@local}, 0x0, @in=@local}}, &(0x7f0000000000)=0xe8) 09:12:57 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x4000000) [ 331.887940][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x50002) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) [ 331.981642][T10466] block nbd1: Receive control failed (result -107) [ 331.990940][T13274] block nbd1: shutting down sockets [ 332.090949][T10466] block nbd1: Receive control failed (result -107) [ 332.100025][T13274] block nbd1: shutting down sockets [ 332.102114][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:57 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x5000000) 09:12:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x109000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) 09:12:57 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) setsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 332.379363][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 332.394717][T10466] block nbd1: Receive control failed (result -107) [ 332.404788][T13283] block nbd1: shutting down sockets 09:12:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$KVM_GET_REGS(r2, 0x8090ae81, &(0x7f0000000040)) 09:12:58 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:58 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x101000, 0x0) ioctl$DRM_IOCTL_MODE_LIST_LESSEES(0xffffffffffffffff, 0xc01064c7, &(0x7f00000000c0)={0x6, 0x0, &(0x7f0000000040)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) ioctl$DRM_IOCTL_MODE_REVOKE_LEASE(r1, 0xc00464c9, &(0x7f0000000100)={r2}) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:12:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/checkreqprot\x00', 0x80, 0x0) ioctl$BLKPBSZGET(r1, 0x127b, &(0x7f0000000200)) pipe(&(0x7f0000000000)={0xffffffffffffffff}) sendmsg$BATADV_CMD_GET_MESH(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, 0x0, 0x1, 0x70bd26, 0x25dfdbfc, {}, [@BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}, @BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0x81}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x3}]}, 0x44}}, 0x800) [ 332.440023][T10466] block nbd1: Receive control failed (result -107) [ 332.448826][T13283] block nbd1: shutting down sockets 09:12:58 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x6000000) 09:12:58 executing program 0: r0 = socket(0x1e, 0x4, 0x0) connect$tipc(r0, &(0x7f0000000080), 0x10) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x10, 0x80002, 0x0) close(r2) r3 = syz_genetlink_get_family_id$batadv(&(0x7f0000000200)='batadv\x00') ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f00000001c0)={'batadv0\x00', 0x0}) sendmsg$BATADV_CMD_GET_MESH(r2, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)={0x24, r3, 0xf, 0x0, 0x0, {0xf}, [@BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r4}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0xf}]}, 0x24}}, 0x0) sendmsg$BATADV_CMD_GET_HARDIF(r0, &(0x7f0000000200)={&(0x7f0000000100), 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x54, r3, 0x8, 0x70bd2d, 0x25dfdbff, {}, [@BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0x2}, @BATADV_ATTR_HARD_IFINDEX={0x8}, @BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0x9}, @BATADV_ATTR_TPMETER_TEST_TIME={0x8}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5}, @BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0xea}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0xffffb0a1}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}]}, 0x54}, 0x1, 0x0, 0x0, 0x4008090}, 0x40) r5 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x501400) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0x125f, 0x0) r6 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000240)='/dev/dlm-control\x00', 0x480, 0x0) ioctl$FBIOGET_CON2FBMAP(r6, 0x460f, &(0x7f0000000280)={0x2c}) request_key(&(0x7f0000000040)='big_key\x00', &(0x7f0000000080)={'syz', 0x1}, &(0x7f00000000c0)='/dev/nbd#\x00', 0xfffffffffffffffc) 09:12:58 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, 0xffffffffffffffff, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:58 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) getsockopt$sock_buf(r1, 0x1, 0x3d, &(0x7f0000000000)=""/119, &(0x7f00000000c0)=0x77) [ 332.709801][T10466] block nbd1: Receive control failed (result -107) [ 332.719887][T13302] block nbd1: shutting down sockets [ 332.773243][T10466] block nbd1: Receive control failed (result -107) [ 332.776830][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 332.782585][T13302] block nbd1: shutting down sockets 09:12:58 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x7000000) [ 332.855061][T13309] selinux_nlmsg_perm: 6 callbacks suppressed [ 332.855079][T13309] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=28207 sclass=netlink_route_socket pig=13309 comm=syz-executor.0 [ 332.951741][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x210900) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) socket$key(0xf, 0x3, 0x2) 09:12:58 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x440000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) [ 332.996136][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 333.077114][T10466] block nbd1: Receive control failed (result -107) [ 333.086558][T13319] block nbd1: shutting down sockets [ 333.135093][T10466] block nbd1: Receive control failed (result -107) [ 333.143998][T13319] block nbd1: shutting down sockets 09:12:58 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, 0xffffffffffffffff, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:58 executing program 0: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000000)='/dev/nvme-fabrics\x00', 0x40000, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0x125f, 0x0) 09:12:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0xb0600) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:12:58 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x10000000) [ 333.269270][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:59 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x2) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) sendto$phonet(r1, &(0x7f00000000c0)="d14c3959571c0852723ae8bb6c237460cd28f92574f0624c99534c75afc144aafa6352e767386a48d4ffb16b90090ca3b3b19cb044bdc609d831627aa7eaa16d21ac66b769bb4fb069214c47bd8162a963a41d2cafaede6a19075511be5d4662f324c4d4002a0f3904477e7e8e1bcc4027813251187ca1f40fb5f5128a8d0fe433ba53102e1cc00700cb90241cf24abb841d18a8eb960fbb46e8b4e62da136b528c585131485281e5f96bee817840ff7cfb0e46346bf4d9174eb94ff87621bcca2", 0xc1, 0x44004, &(0x7f0000000000)={0x23, 0x7, 0x7f, 0x1}, 0x10) r2 = syz_open_dev$dri(&(0x7f0000000040)='/dev/dri/card#\x00', 0xffffffffffffffe1, 0xa0000) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r2, 0xc02064b9, &(0x7f0000000240)={&(0x7f00000001c0)=[0x9], &(0x7f0000000200)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x1, 0x5, 0xc0c0c0c0}) [ 333.439776][T10466] block nbd1: Receive control failed (result -107) [ 333.449379][T13336] block nbd1: shutting down sockets [ 333.453547][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:59 executing program 5: ioctl$VIDIOC_TRY_EXT_CTRLS(0xffffffffffffffff, 0xc0205649, &(0x7f0000000400)={0x990000, 0x3, 0x9, 0xffffffffffffffff, 0x0, &(0x7f00000003c0)={0x9b0953, 0x5, [], @string=&(0x7f0000000380)=0xd4}}) mmap$IORING_OFF_SQ_RING(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x1, 0x10010, r0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab02, 0x0) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) r3 = socket(0x1e, 0x4, 0x0) connect$tipc(r3, &(0x7f0000000080), 0x10) setsockopt$SO_J1939_SEND_PRIO(r3, 0x6b, 0x3, &(0x7f0000000440)=0x7, 0x4) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f00000001c0)=@sack_info={r4, 0x6000, 0x80000000}, 0x0) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f0000000140)={r4, 0xc6, "4edaaeb5598a68ba2072ab0154f5471ef3f9bdf425e408780f3b735c68fd6fe404fd1393714ce6c64dc5b781b715eb932d88f66e4c242543b6d266a8ad52fd5a450de444e4482176b2524cd09901e7b24faed152cd873902b7839c776a57a6a820bd2a6f0804b67faa498dff779ad44c800d11ed67fc7e174900fe8833e44f515afae176309bc9b9765fbcf42c4ab2e032d60e24f196f7f142f3dff71c0709f389df9405e9469fa05321b5c92a130a54d3fc926038e4dbc30726d701a4c2b038ae79fcbf4f8b"}, &(0x7f0000000240)=0xce) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r2, 0x84, 0x22, &(0x7f0000000280)={0x8, 0x8204, 0x40, 0xabe, r5}, &(0x7f00000002c0)=0x10) r6 = syz_open_dev$audion(&(0x7f0000000000)='/dev/audio#\x00', 0x5753, 0x2400) ioctl$PPPIOCSPASS(r6, 0x40107447, &(0x7f00000000c0)={0x1, &(0x7f0000000040)=[{0x1f, 0x1, 0x81, 0x10000}]}) r7 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(r6, 0xc01064b5, &(0x7f0000000340)={&(0x7f0000000300)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5}) r8 = dup2(r7, r7) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) ioctl$TCSETSF2(r8, 0x402c542d, &(0x7f0000000100)={0xffffffff, 0x7fff, 0x1, 0x7, 0x1, "d30f081c13cccc0e68086a6a0244542170bc6d", 0x4eb, 0x1}) [ 333.514729][T10466] block nbd1: Receive control failed (result -107) [ 333.523469][T13336] block nbd1: shutting down sockets 09:12:59 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x1f000000) 09:12:59 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) 09:12:59 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) openat$selinux_user(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/user\x00', 0x2, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$NBD_DO_IT(r2, 0xab03) [ 333.696836][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:12:59 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcsu\x00', 0x40280, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000300)={'vlan0\x00', 0x0}) r5 = socket$nl_route(0x10, 0x3, 0x0) r6 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r6, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="3400000010000104539302000000000000000000", @ANYRES32=r7, @ANYBLOB="ddffffffffffffff140012000c0001006272696467650000040002004a8c1b6a238e3c4ad8aaf50c71a903efb4ed6f549d620cab62d981eb6d374923a2b1597449331902ca8bdf6a7b128fe8476d4d6652037756d0ac81399ac0582b151d141fe83ed1d9132ab02d67c1c5acd5789c4893db25c5630cca8a430aeff83d56f554ff14196fa347774c415acdeb046e3cf870dd52c26f6c603b8f3e34d021af63b3cfa8316e16c38ca72e58c356fde87643e8b809318f8d222ce63317ded42fa3aa394ade7dfe439c6479605528726a068cdc76a22067b3534442da88bc90000000000000000000000000f6a0d707"], 0x34}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_MASTER={0x8, 0xa, r7}]}, 0x28}}, 0x0) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f00000000c0)={{{@in6=@mcast2, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6}, 0x0, @in6=@initdev}}, &(0x7f0000000040)=0xe8) setsockopt$inet6_IPV6_IPSEC_POLICY(r1, 0x29, 0x22, &(0x7f00000001c0)={{{@in6=@local, @in=@broadcast, 0x4e20, 0x8, 0x4e21, 0x9, 0x2, 0x80, 0x80, 0x32, r7, r8}, {0x2, 0x200, 0x0, 0x0, 0x3f, 0x4, 0x6, 0xfffffffffffff7f3}, {0x1000, 0x200, 0x10001, 0x1}, 0x7f, 0x0, 0x1, 0x0, 0x2}, {{@in6=@dev={0xfe, 0x80, [], 0xff}, 0x4d5, 0x6c}, 0x2, @in=@multicast2, 0x34ff, 0x1, 0x0, 0x6, 0xdbf, 0x1ff, 0x20000000}}, 0xe8) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) [ 333.862256][T10466] block nbd1: Receive control failed (result -107) [ 333.872900][T13350] block nbd1: shutting down sockets [ 333.943797][T10466] block nbd1: Receive control failed (result -107) [ 333.947545][T13356] block nbd1: shutting down sockets 09:12:59 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, 0xffffffffffffffff, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:12:59 executing program 0: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f0000000380)) rt_sigqueueinfo(r0, 0x41, &(0x7f0000000000)={0x31, 0xf5, 0x400}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x60001) r2 = add_key$keyring(&(0x7f0000000140)='keyring\x00', &(0x7f0000000200)={'syz'}, 0x0, 0x0, 0xffffffffffffffff) r3 = add_key$keyring(&(0x7f0000000100)='keyring\x00', &(0x7f0000000040)={'syz', 0x3}, 0x0, 0x0, r2) r4 = add_key$keyring(&(0x7f0000000000)='keyring\x00', &(0x7f00000000c0)={'syz', 0x3}, 0x0, 0x0, r3) keyctl$KEYCTL_MOVE(0x11, r4, r2, 0x0, 0x0) r5 = add_key(&(0x7f0000000140)='keyring\x00', &(0x7f0000000180)={'syz', 0x2}, 0x0, 0x0, r4) add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000100)={'syz', 0x1}, &(0x7f00000003c0)="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", 0x1000, r5) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0x125f, 0x0) 09:12:59 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x20000000) 09:12:59 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 334.065708][T13362] device bridge4 entered promiscuous mode [ 334.076718][T13362] device vlan0 left promiscuous mode 09:12:59 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 334.119181][T13362] bridge3: port 1(vlan0) entered disabled state [ 334.144070][T10466] block nbd1: Receive control failed (result -107) [ 334.153550][T13363] block nbd1: shutting down sockets [ 334.224173][T10466] block nbd1: Receive control failed (result -107) [ 334.232905][T13363] block nbd1: shutting down sockets [ 334.262347][T13362] bridge4: port 1(vlan0) entered blocking state 09:12:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x5dc4c4a76e444f96) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) 09:12:59 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x3d100000) [ 334.298969][T13362] bridge4: port 1(vlan0) entered disabled state [ 334.321783][T13362] device vlan0 entered promiscuous mode [ 334.339907][T13362] bridge4: port 1(vlan0) entered blocking state [ 334.346356][T13362] bridge4: port 1(vlan0) entered forwarding state [ 334.418269][T13377] device vlan0 left promiscuous mode [ 334.436634][T13377] bridge4: port 1(vlan0) entered disabled state [ 334.474156][T10466] block nbd1: Receive control failed (result -107) [ 334.484060][T13378] block nbd1: shutting down sockets 09:13:00 executing program 0: r0 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x275e575eb20e4537) ioctl$RTC_WIE_ON(r0, 0x700f) syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0x125f, 0x0) [ 334.580270][T10466] block nbd1: Receive control failed (result -107) [ 334.589285][T13378] block nbd1: shutting down sockets 09:13:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) poll(&(0x7f0000000000)=[{0xffffffffffffffff, 0xa048}, {0xffffffffffffffff, 0x4081}, {0xffffffffffffffff, 0x200}, {r1, 0x38}, {r0}, {0xffffffffffffffff, 0x4000}], 0x6, 0x101) 09:13:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x3f000000) 09:13:00 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) sendfile(r6, 0xffffffffffffffff, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:00 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) semget(0x3, 0x1, 0x0) r1 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r1, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:00 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:00 executing program 0: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket(0x1e, 0x4, 0x0) connect$tipc(r0, &(0x7f0000000080), 0x10) syz_genetlink_get_family_id$team(&(0x7f0000000040)='team\x00') socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'vlan0\x00', 0x0}) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="3400000010000104539302000000000000000000", @ANYRES32=r6, @ANYBLOB="ddffffffffffffff140012000c0001006272696467650000040002004a8c1b6a238e3c4ad8aaf50c71a903efb4ed6f549d620cab62d981eb6d374923a2b1597449331902ca8bdf6a7b128fe8476d4d6652037756d0ac81399ac0582b151d141fe83ed1d9132ab02d67c1c5acd5789c4893db25c5630cca8a430aeff83d56f554ff14196fa347774c415acdeb046e3cf870dd52c26f6c603b8f3e34d021af63b3cfa8316e16c38ca72e58c356fde87643e8b809318f8d222ce63317ded42fa3aa394ade7dfe439c6479605528726a068cdc76a22067b3534442da88bc90000000000000000000000000f6a0d707"], 0x34}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_GROUP={0x8, 0x1b, 0x6}]}, 0x28}}, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r8 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r7, 0x8933, &(0x7f0000000300)={'vlan0\x00', 0x0}) r10 = socket$nl_route(0x10, 0x3, 0x0) r11 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r11, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x0) getsockname$packet(r11, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r10, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000480)=ANY=[@ANYBLOB="3400000010000104539302000000000000000000", @ANYRES32=r12, @ANYBLOB="ddffffffffffffff140012000c0001006272696467650000040007004a8c1b6a238e3c4ad8aa3d36340549f50c71a903efb4ed6f549d620cab62d981eb6d374923a2b1597449331902ca8b7756d0ac81399ac0582b151d011fe83ed1d9132ab02d67c1c5acd5789c4893db25c5630cca8a430aeff83d56f554ff14196fa347774c415acdeb046e3cf870dd52c26f6c603b8f3e34d021af63b3cfa8316e16c38ca72e58c356fde87643e8b809318f8d222ce63317ded42fa3aa394ade7dfe439c6479605528726a068cdc76a22067b3534442da88bc90000000000000000000000000f6a0d70700"/242], 0x34}}, 0x0) sendmsg$nl_route(r8, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="280000001000010400"/20, @ANYRES32=r9, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\b\x00\n\x00', @ANYRES32=r12, @ANYRESDEC=r10], 0x5}}, 0x0) r13 = socket(0x1e, 0x4, 0x0) connect$tipc(r13, &(0x7f0000000080), 0x10) socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000300)={'vlan0\x00'}) socket$nl_route(0x10, 0x3, 0x0) socket(0x10, 0x803, 0x0) r14 = creat(&(0x7f00000005c0)='./file0\x00', 0x5e) sendmsg$NBD_CMD_DISCONNECT(r14, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x34008140}, 0x884) [ 334.837765][T10466] block nbd1: Receive control failed (result -107) [ 334.847250][T13390] block nbd1: shutting down sockets [ 334.881174][T10466] block nbd1: Receive control failed (result -107) [ 334.890516][T13390] block nbd1: shutting down sockets [ 335.026650][T13402] device bridge2 entered promiscuous mode 09:13:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x40000000) 09:13:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video36\x00', 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = syz_open_procfs(r1, &(0x7f00000000c0)='net/psched\x00') write$P9_RLCREATE(r2, &(0x7f0000000100)={0x18, 0xf, 0x1, {{0x8, 0x4, 0x8}, 0x5}}, 0x18) syz_open_dev$mouse(&(0x7f0000000000)='/dev/input/mouse#\x00', 0x0, 0x82000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:13:00 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) semget(0x3, 0x1, 0x0) r1 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r1, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:00 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) sendfile(r6, 0xffffffffffffffff, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:00 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 335.177652][T13402] device bridge3 entered promiscuous mode [ 335.208674][T10466] block nbd1: Receive control failed (result -107) [ 335.228447][T13405] block nbd1: shutting down sockets [ 335.336651][T13407] block nbd1: Could not allocate knbd recv work queue. [ 335.361035][T13417] block nbd1: shutting down sockets 09:13:01 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x48000000) 09:13:01 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x4) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$inet_udp(0x2, 0x2, 0x0) r4 = dup2(r3, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x1) 09:13:01 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) semget(0x3, 0x1, 0x0) r1 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r1, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:01 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 335.594165][T10466] block nbd1: Receive control failed (result -107) [ 335.604084][T13420] block nbd1: shutting down sockets [ 335.653130][T10466] block nbd1: Receive control failed (result -107) [ 335.653185][T13421] block nbd1: shutting down sockets 09:13:01 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) sendfile(r6, 0xffffffffffffffff, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:01 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x4c000000) 09:13:01 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040)='NLBL_MGMT\x00') sendmsg$NLBL_MGMT_C_LISTDEF(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r2, 0x4, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40004}, 0x10) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000040)='TIPCv2\x00') sendmsg$TIPC_NL_NAME_TABLE_GET(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000400)={0x14, r4, 0xc46dfc707e1df77d}, 0x14}}, 0x0) sendmsg$TIPC_NL_MON_PEER_GET(r1, &(0x7f0000000340)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x108120}, 0xc, &(0x7f0000000300)={&(0x7f00000001c0)={0x140, r4, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@TIPC_NLA_NODE={0x1c, 0x6, 0x0, 0x1, [@TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x9}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x100}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x78}]}, @TIPC_NLA_PUBL={0xc, 0x3, 0x0, 0x1, [@TIPC_NLA_PUBL_TYPE={0x8, 0x1, 0x10040000}]}, @TIPC_NLA_LINK={0x64, 0x4, 0x0, 0x1, [@TIPC_NLA_LINK_NAME={0x9, 0x1, 'syz1\x00'}, @TIPC_NLA_LINK_PROP={0x34, 0x7, 0x0, 0x1, [@TIPC_NLA_PROP_WIN={0x8, 0x3, 0x2}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x7fff}, @TIPC_NLA_PROP_PRIO={0x8}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x8}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x17}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0xcd7e}]}, @TIPC_NLA_LINK_PROP={0x14, 0x7, 0x0, 0x1, [@TIPC_NLA_PROP_MTU={0x8, 0x4, 0x7}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x8}]}, @TIPC_NLA_LINK_NAME={0x9, 0x1, 'syz1\x00'}]}, @TIPC_NLA_SOCK={0x40, 0x2, 0x0, 0x1, [@TIPC_NLA_SOCK_CON={0x2c, 0x3, 0x0, 0x1, [@TIPC_NLA_CON_FLAG={0x8, 0x1, 0x4}, @TIPC_NLA_CON_FLAG={0x8, 0x1, 0x200}, @TIPC_NLA_CON_FLAG={0x8, 0x1, 0x7f}, @TIPC_NLA_CON_NODE={0x8, 0x2, 0x8000}, @TIPC_NLA_CON_FLAG={0x8, 0x1, 0x5d0}]}, @TIPC_NLA_SOCK_REF={0x8, 0x2, 0xbf8}, @TIPC_NLA_SOCK_REF={0x8, 0x2, 0xfffffffc}]}, @TIPC_NLA_BEARER={0x60, 0x1, 0x0, 0x1, [@TIPC_NLA_BEARER_NAME={0xf, 0x1, @l2={'ib', 0x3a, 'geneve0\x00'}}, @TIPC_NLA_BEARER_UDP_OPTS={0x38, 0x4, {{0x20, 0x1, @in6={0xa, 0x4e21, 0x9, @local, 0x17}}, {0x14, 0x2, @in={0x2, 0x4e22, @remote}}}}, @TIPC_NLA_BEARER_NAME={0x12, 0x1, @l2={'ib', 0x3a, 'virt_wifi0\x00'}}]}]}, 0x140}, 0x1, 0x0, 0x0, 0x4040001}, 0x4000001) 09:13:01 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) semctl$GETVAL(0x0, 0x0, 0xc, &(0x7f00000002c0)=""/102) r1 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r1, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 335.881579][T10466] block nbd1: Receive control failed (result -107) [ 335.890833][T13430] block nbd1: shutting down sockets 09:13:01 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$RTC_RD_TIME(r2, 0x80247009, &(0x7f0000000040)) [ 335.951515][T10466] block nbd1: Receive control failed (result -107) [ 335.952128][T13433] block nbd1: shutting down sockets 09:13:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) ioctl$sock_bt_bnep_BNEPCONNADD(r2, 0x400442c8, &(0x7f0000002280)=ANY=[@ANYRES32=r3, @ANYBLOB="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"]) r4 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) socket$inet_udp(0x2, 0x2, 0x0) r5 = syz_open_dev$mouse(&(0x7f0000000040)='/dev/input/mouse#\x00', 0x3, 0x40000) r6 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000001100)='/dev/ttyS3\x00', 0x40, 0x0) r7 = dup2(r6, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) ioctl$BLKRESETZONE(r7, 0x40101283, &(0x7f0000000000)={0x7, 0x2000000008}) r8 = socket$inet6(0xa, 0x2000000080803, 0x1) ioctl$TCSETS(r8, 0x5402, &(0x7f0000000440)={0x2, 0x20000000200000, 0xfffffffffffffffa, 0xfd8, 0x9}) setsockopt$inet6_IPV6_XFRM_POLICY(r8, 0x29, 0x23, &(0x7f0000000100)={{{@in6=@local, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x2}, {}, {}, 0x0, 0x0, 0x1}, {{@in=@multicast1, 0x4d2, 0x32}, 0x0, @in6, 0x0, 0x0, 0x0, 0x8464}}, 0xe8) connect$inet6(r8, &(0x7f0000000040)={0xa, 0x0, 0x0, @ipv4={[], [], @local}}, 0x1c) r9 = semget(0x2, 0x0, 0x200) r10 = geteuid() fstat(r8, &(0x7f0000000600)) getsockopt$inet6_IPV6_XFRM_POLICY(r8, 0x29, 0x23, &(0x7f0000000680)={{{@in, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@mcast1}}, &(0x7f0000000780)=0xe8) getsockopt$sock_cred(r8, 0x1, 0x11, &(0x7f00000007c0)={0x0, 0x0, 0x0}, &(0x7f0000000800)=0xc) r13 = memfd_create(&(0x7f00000005c0)='user\x00', 0x7) getsockopt$inet_buf(r13, 0x0, 0x31, &(0x7f0000000480)=""/146, &(0x7f0000000540)=0x92) ioctl$TCSETS(r13, 0x40045431, &(0x7f0000fddfff)={0x4, 0x20, 0x0, 0xce}) accept4$unix(r13, 0x0, &(0x7f0000000300), 0x251210b2d6076f01) write$P9_RRENAME(r13, &(0x7f0000000140)={0x7}, 0x7) ioctl$TUNSETTXFILTER(r13, 0x400454d1, &(0x7f0000000380)=ANY=[@ANYBLOB="01f5aaff04a6afbf4b133c0512b4b4db288aa8a4ab7c22f9a9f81c9ca3e207127026f6b45a383cc669ee57755276ec8eb730"]) ioctl$sock_SIOCGPGRP(r13, 0x8904, &(0x7f00000001c0)) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000005380)={0x0, 0x0, 0x0}, &(0x7f00000053c0)=0xc) write$FUSE_ENTRY(r13, &(0x7f0000000240)={0x90, 0x0, 0x4, {0x2, 0x0, 0x5, 0x0, 0x9, 0x0, {0x0, 0xa0000000000, 0x0, 0x3ff, 0x2, 0x100, 0x9, 0x7f, 0x50000000000000, 0x200, 0xffffffff80000001, r14, r15, 0x35f5, 0x9}}}, 0x90) semctl$IPC_SET(r9, 0x0, 0x1, &(0x7f0000000840)={{0x3, r10, r15, r11, r12, 0x2, 0x5}, 0x4, 0x8, 0x1}) r16 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r16, 0x6, 0x10000000013, &(0x7f0000d06000)=0x1, 0x32a) connect$inet(r16, &(0x7f0000000140)={0x2, 0x0, @local}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r16, 0x6, 0x16, &(0x7f00000000c0)=[@mss, @timestamp, @window={0x3, 0x0, 0xfffe}, @mss={0x2, 0x3}], 0x6dd9207777e1701) sendmmsg(r16, &(0x7f0000004b40)=[{{0x0, 0x0, &(0x7f00000011c0)=[{&(0x7f0000002240)='Y', 0x1}], 0x1}}], 0x1, 0x0) setsockopt$inet_tcp_TCP_REPAIR_QUEUE(r16, 0x6, 0x14, &(0x7f0000000040)=0x1, 0x4) sendmsg$IPVS_CMD_GET_DEST(r16, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000004c0)=ANY=[@ANYBLOB="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"], 0x1}}, 0x0) setsockopt$inet_tcp_TCP_REPAIR(r16, 0x6, 0x13, &(0x7f0000000100), 0x618) close(r16) getsockopt$inet_IP_IPSEC_POLICY(r16, 0x0, 0x10, &(0x7f0000000480)={{{@in6=@remote, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in=@empty}}, &(0x7f00000002c0)=0xe8) r18 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) dup2(r18, r18) fstat(r18, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r20 = socket$inet6(0xa, 0x2000000080803, 0x1) ioctl$TCSETS(r20, 0x5402, &(0x7f0000000440)={0x2, 0x20000000200000, 0xfffffffffffffffa, 0xfd8, 0x9}) setsockopt$inet6_IPV6_XFRM_POLICY(r20, 0x29, 0x23, &(0x7f0000000100)={{{@in6=@local, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x2}, {}, {}, 0x0, 0x0, 0x1}, {{@in=@multicast1, 0x4d2, 0x32}, 0x0, @in6, 0x0, 0x0, 0x0, 0x8464}}, 0xe8) connect$inet6(r20, &(0x7f0000000040)={0xa, 0x0, 0x0, @ipv4={[], [], @local}}, 0x1c) r21 = semget(0x2, 0x0, 0x200) r22 = geteuid() fstat(r20, &(0x7f0000000600)) getsockopt$inet6_IPV6_XFRM_POLICY(r20, 0x29, 0x23, &(0x7f0000000680)={{{@in, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@mcast1}}, &(0x7f0000000780)=0xe8) getsockopt$sock_cred(r20, 0x1, 0x11, &(0x7f00000007c0)={0x0, 0x0, 0x0}, &(0x7f0000000800)=0xc) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000005380)={0x0, 0x0, 0x0}, &(0x7f00000053c0)=0xc) semctl$IPC_SET(r21, 0x0, 0x1, &(0x7f0000000840)={{0x3, r22, r25, r23, r24, 0x2, 0x5}, 0x4, 0x8, 0x1}) semctl$IPC_SET(r9, 0x0, 0x1, &(0x7f0000000580)={{0x1, r17, r19, r23, 0xee01, 0x0, 0x311}, 0xffffffff, 0x100000000000000, 0x0, 0x0, 0x0, 0x0, 0x1b2b}) r26 = socket(0x1e, 0x4, 0x0) connect$tipc(r26, &(0x7f0000000080), 0x10) getsockopt$inet6_IPV6_IPSEC_POLICY(r26, 0x29, 0x22, &(0x7f0000001140)={{{@in=@loopback, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{}, 0x0, @in6=@remote}}, &(0x7f0000001240)=0xe8) r28 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r28, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) setresgid(0x0, 0x0, r29) setregid(0x0, r29) ioctl$DRM_IOCTL_GET_CLIENT(r4, 0xc0286405, &(0x7f0000001280)={0x4, 0x1, {0xffffffffffffffff}, {0xee00}, 0x8, 0x9}) r31 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r31, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) setresgid(0x0, 0x0, r32) setregid(0x0, r32) semctl$IPC_SET(r9, 0x0, 0x1, &(0x7f00000012c0)={{0x3, r27, r29, r30, r32, 0x44, 0x200}, 0x7, 0x9, 0x0, 0x0, 0x0, 0x0, 0x528}) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) 09:13:01 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x68000000) 09:13:01 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:01 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x22c00) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:13:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x181081) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) 09:13:01 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) semctl$GETVAL(0x0, 0x0, 0xc, &(0x7f00000002c0)=""/102) r1 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r1, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 336.305803][T10466] block nbd1: Receive control failed (result -107) [ 336.315666][T13449] block nbd1: shutting down sockets 09:13:01 executing program 5: r0 = socket(0x1e, 0x4, 0x0) connect$tipc(r0, &(0x7f0000000080), 0x10) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) getsockopt$IP_VS_SO_GET_INFO(r1, 0x0, 0x481, &(0x7f00000001c0), &(0x7f0000000200)=0xc) r2 = accept$alg(r0, 0x0, 0x0) recvfrom(r2, &(0x7f00000000c0)=""/245, 0xf5, 0x0, &(0x7f0000000000)=@caif=@dgm={0x25, 0x401, 0x9}, 0x80) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab02, 0x0) [ 336.379905][T10466] block nbd1: Receive control failed (result -107) [ 336.380252][T13451] block nbd1: shutting down sockets 09:13:02 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(0xffffffffffffffff, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:02 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x6c000000) 09:13:02 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) semctl$GETVAL(0x0, 0x0, 0xc, &(0x7f00000002c0)=""/102) r1 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r1, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:02 executing program 0: r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$SNDRV_CTL_IOCTL_ELEM_UNLOCK(r1, 0x40405515, &(0x7f0000000000)={0x7, 0x383a8188b607edd1, 0xf2d3, 0x400, 'syz0\x00', 0x2}) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0x125f, 0x0) 09:13:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = syz_open_dev$vcsu(&(0x7f0000000000)='/dev/vcsu#\x00', 0x2, 0x404201) ioctl$VIDIOC_TRY_EXT_CTRLS(r1, 0xc0205649, &(0x7f0000000100)={0x9d0000, 0x80000001, 0x0, 0xffffffffffffffff, 0x0, &(0x7f00000000c0)={0xa30001, 0x852, [], @p_u8=&(0x7f0000000140)=0x80}}) ioctl$sock_inet6_tcp_SIOCOUTQ(r2, 0x5411, &(0x7f0000000040)) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) [ 336.637498][T10466] block nbd1: Receive control failed (result -107) [ 336.647395][T13463] block nbd1: shutting down sockets [ 336.690243][T10466] block nbd1: Receive control failed (result -107) [ 336.691563][T13465] block nbd1: shutting down sockets 09:13:02 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:02 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x74000000) 09:13:02 executing program 5: r0 = syz_init_net_socket$x25(0x9, 0x5, 0x0) ioctl$SIOCX25SFACILITIES(r0, 0x89e3, &(0x7f0000000000)={0xe, 0x80000001, 0xb, 0x5, 0x4, 0x81}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab02, 0x0) 09:13:02 executing program 0: r0 = socket(0x1e, 0x4, 0x0) connect$tipc(r0, &(0x7f0000000080), 0x10) recvfrom$ax25(r0, &(0x7f00000000c0)=""/4096, 0x1000, 0x120, &(0x7f0000000000)={{0x3, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, 0x5}, [@default, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bcast, @bcast, @default, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @null, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}]}, 0x48) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0x125f, 0x0) [ 336.874309][ C1] net_ratelimit: 15 callbacks suppressed [ 336.874339][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 336.909166][T10466] block nbd1: Receive control failed (result -107) [ 336.918659][T13479] block nbd1: shutting down sockets 09:13:02 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 336.989620][T10466] block nbd1: Receive control failed (result -107) [ 336.989841][T13480] block nbd1: shutting down sockets 09:13:02 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:02 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(0xffffffffffffffff, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:02 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x7a000000) 09:13:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) write$binfmt_script(r1, &(0x7f00000000c0)={'#! ', './file0', [{0x20, '\'nodev'}, {0x20, '/dev/nbd#\x00'}, {0x20, 'keyring[wlan1@cgroup{system\'$mime_type*\xd6vboxnet0kkeyringlo'}, {0x20, '/dev/nbd#\x00'}, {0x20, '/dev/nbd#\x00'}, {0x20, '/dev/nbd#\x00'}, {0x20, '/dev/nbd#\x00'}, {0x20, '/dev/nbd#\x00'}], 0xa, "56bcb0262c086394dc356d54ac81746bfb6dcc88f447b7f3a6660bb0bb7d0e574ff2b703500d506e4084592ff3daa9f4f84bf9d02778b7dcba41959b40b889efc728d19499c5c54374fe60e39730dff41eccb17d42bb4fc55c87783f08e0392a74884911921aa63777c72e47"}, 0xfb) [ 337.154062][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:13:02 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:02 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 337.318311][T10466] block nbd1: Receive control failed (result -107) [ 337.327051][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 337.327923][T13496] block nbd1: shutting down sockets 09:13:02 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0xfdfdffff) [ 337.367376][T10466] block nbd1: Receive control failed (result -107) [ 337.367659][T13501] block nbd1: shutting down sockets [ 337.388574][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:13:03 executing program 5: r0 = semget(0x3, 0x3, 0x200) semctl$GETVAL(r0, 0x4, 0xc, &(0x7f00000000c0)=""/4096) openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ttyprintk\x00', 0x200, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab02, 0x0) [ 337.501724][T10466] block nbd1: Receive control failed (result -107) [ 337.512167][T13509] block nbd1: shutting down sockets [ 337.607274][T10466] block nbd1: Receive control failed (result -107) [ 337.607579][T13510] block nbd1: shutting down sockets 09:13:03 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0x103c01) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) [ 337.842894][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:13:03 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:03 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0xfffffdfd) 09:13:03 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) socket$inet_udp(0x2, 0x2, 0x0) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) r3 = socket(0x1e, 0x4, 0x0) connect$tipc(r3, &(0x7f0000000080), 0x10) socket$bt_hidp(0x1f, 0x3, 0x6) r4 = dup2(r1, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = socket$inet_udp(0x2, 0x2, 0x0) r6 = dup2(r5, r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) r7 = socket$inet_udp(0x2, 0x2, 0x0) r8 = dup2(r7, r7) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) ioctl$SNDCTL_DSP_GETCAPS(r1, 0x8004500f, &(0x7f0000000000)) ioctl$NBD_SET_SIZE_BLOCKS(r8, 0xab02, 0x1800d36) socket$nl_route(0x10, 0x3, 0x0) 09:13:03 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(0xffffffffffffffff, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:03 executing program 0: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/schedstat\x00', 0x0, 0x0) openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/mls\x00', 0x0, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0x125f, 0x200) 09:13:03 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 338.018084][T10466] block nbd1: Receive control failed (result -107) [ 338.027626][T13528] block nbd1: shutting down sockets [ 338.075970][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 338.083230][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:13:03 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) io_uring_enter(r2, 0x3, 0xffffffba, 0x2, &(0x7f0000000000)={[0x7]}, 0x8) [ 338.163095][T10466] block nbd1: Receive control failed (result -107) [ 338.172125][T13538] block nbd1: shutting down sockets 09:13:03 executing program 5: clock_gettime(0x0, &(0x7f0000000000)={0x0, 0x0}) set_mempolicy(0x1, &(0x7f00000000c0)=0x800, 0x1000) clock_settime(0x5, &(0x7f0000000040)={r0, r1+30000000}) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab02, 0x0) 09:13:03 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x1000000000) 09:13:03 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:03 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:03 executing program 0: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x400200) 09:13:03 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 338.380846][T10466] block nbd1: Receive control failed (result -107) [ 338.391008][T13540] block nbd1: shutting down sockets 09:13:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$BLKPBSZGET(r2, 0x127b, &(0x7f0000000000)) r3 = socket$inet_udp(0x2, 0x2, 0x0) r4 = dup2(r3, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$BLKROSET(r4, 0x125d, &(0x7f0000000040)=0xb1f0) [ 338.445541][T10466] block nbd1: Receive control failed (result -107) [ 338.453573][T13540] block nbd1: shutting down sockets 09:13:04 executing program 0: setxattr$security_ima(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.ima\x00', &(0x7f00000000c0)=ANY=[@ANYBLOB="02355c8817483a0000000000"], 0xc, 0x2) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) 09:13:04 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x100000000000000) [ 338.628865][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 338.730576][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:13:04 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:04 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:04 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000000)='/dev/nvme-fabrics\x00', 0x80000, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x8001) 09:13:04 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 338.926288][T10466] block nbd1: Receive control failed (result -107) [ 338.937924][T13562] block nbd1: shutting down sockets 09:13:04 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x10fb01) openat$fb0(0xffffffffffffff9c, &(0x7f0000000100)='/dev/fb0\x00', 0x454881, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = socket(0x1e, 0x4, 0x0) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) r3 = syz_genetlink_get_family_id$team(&(0x7f0000000140)='team\x00') r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = socket(0x11, 0x800000003, 0x0) bind(r5, &(0x7f0000000080)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c58110308d9123127ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) getsockname$packet(r5, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000140)=0x14) sendmsg$TEAM_CMD_OPTIONS_GET(r4, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000002140)={0x20, r3, 0x1, 0x0, 0x0, {}, [{{0x8, 0x1, r6}, {0x4}}]}, 0x20}}, 0x0) getsockopt$PNPIPE_IFINDEX(r1, 0x113, 0x2, &(0x7f0000000180)=0x0, &(0x7f00000001c0)=0x4) sendmsg$TEAM_CMD_OPTIONS_SET(r2, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000280)={&(0x7f0000000300)=ANY=[@ANYBLOB='`\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="00002abd7000fedbdf250100000008000100", @ANYRES32=r7, @ANYBLOB="440002804000010097240001006db664650000000000000000000000000000000000000000000000000000000005000300050000000e00040062726f616463617374000000"], 0x60}, 0x1, 0x0, 0x0, 0x24040041}, 0x20008000) connect$tipc(r1, &(0x7f0000000080), 0x10) fsetxattr$security_capability(r1, &(0x7f0000000040)='security.capability\x00', &(0x7f00000000c0)=@v2={0x2000000, [{0x5, 0x8}, {0xffffffff, 0xffffffc1}]}, 0x14, 0x3) [ 338.976794][T10466] block nbd1: Receive control failed (result -107) [ 338.977082][T13563] block nbd1: shutting down sockets [ 339.015010][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:13:04 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x200000000000000) 09:13:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$EVIOCRMFF(r2, 0x40044581, &(0x7f0000000000)=0x2) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) [ 339.175060][T10466] block nbd1: Receive control failed (result -107) [ 339.184710][T13577] block nbd1: shutting down sockets [ 339.262555][T10466] block nbd1: Receive control failed (result -107) [ 339.262726][T13580] block nbd1: shutting down sockets 09:13:04 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80000) r1 = socket(0x1e, 0x4, 0x0) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f00000001c0)=@sack_info={r3, 0x6000, 0x80000000}, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f0000000300)={r3, 0x94, &(0x7f0000000240)=[@in={0x2, 0x4e20, @loopback}, @in={0x2, 0x4e21, @remote}, @in={0x2, 0x4e23, @initdev={0xac, 0x1e, 0x1, 0x0}}, @in={0x2, 0x4e21, @remote}, @in6={0xa, 0x4e21, 0xffff, @mcast1, 0x1}, @in6={0xa, 0x4e24, 0x6, @mcast2, 0x4}, @in6={0xa, 0x4e23, 0x2, @empty}]}, &(0x7f0000000340)=0x10) setsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000380)={0xff65, 0x9, 0x201, 0x5, 0xfffffff9, 0x6, 0x2b0, 0x3, r4}, 0x20) connect$tipc(r1, &(0x7f0000000080), 0x10) ioctl$VIDIOC_G_EXT_CTRLS(r0, 0xc0205647, &(0x7f0000000200)={0x9c0000, 0x2, 0xffffff83, r1, 0x0, &(0x7f00000001c0)={0x9b0953, 0x3f, [], @p_u16=&(0x7f0000000180)=0x81}}) r5 = socket$inet_udp(0x2, 0x2, 0x0) r6 = socket$inet_udp(0x2, 0x2, 0x0) r7 = dup2(r6, r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) ioctl$VIDIOC_TRY_EXT_CTRLS(0xffffffffffffffff, 0xc0205649, &(0x7f0000000100)={0x40000, 0x1, 0x4, 0xffffffffffffffff, 0x0, &(0x7f00000000c0)={0x9d0001, 0xddd, [], @string=&(0x7f0000000000)=0x40}}) ioctl$NBD_SET_SOCK(r7, 0xab00, r8) r9 = dup2(r5, r5) r10 = socket$inet_udp(0x2, 0x2, 0x0) r11 = dup2(r10, r10) r12 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f00000003c0)='/selinux/commit_pending_bools\x00', 0x1, 0x0) ioctl$KVM_SET_REGS(r12, 0x4090ae82, &(0x7f0000000400)={[0x5, 0x100000001, 0xfffffffffffffffe, 0x5, 0x1000, 0x5, 0x800, 0x2, 0x7, 0x10001, 0x10000, 0x7, 0x2, 0x0, 0x10001, 0x6], 0xf000, 0x80000}) ioctl$PERF_EVENT_IOC_ENABLE(r11, 0x8912, 0x400200) ioctl$SNDCTL_DSP_CHANNELS(r11, 0xc0045006, &(0x7f0000000040)=0x20008f3) ioctl$PERF_EVENT_IOC_ENABLE(r9, 0x8912, 0x400200) ioctl$NBD_SET_SIZE_BLOCKS(r9, 0xab02, 0x0) 09:13:04 executing program 0: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0x125f, 0x1000000) r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$EVIOCRMFF(r3, 0x40044581, &(0x7f0000000000)=0x1f) 09:13:05 executing program 3: r0 = getpid() perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:05 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x300000000000000) 09:13:05 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:05 executing program 5: r0 = socket(0x1e, 0x4, 0x0) syz_open_dev$sndpcmp(&(0x7f0000000040)='/dev/snd/pcmC#D#p\x00', 0x1, 0xc001) connect$tipc(r0, &(0x7f0000000080), 0x10) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x10, 0x80002, 0x0) close(r2) r3 = syz_genetlink_get_family_id$batadv(&(0x7f0000000200)='batadv\x00') ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f00000001c0)={'batadv0\x00', 0x0}) sendmsg$BATADV_CMD_GET_MESH(r2, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)={0x24, r3, 0xf, 0x0, 0x0, {0xf}, [@BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r4}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0xf}]}, 0x24}}, 0x0) r5 = socket(0x1e, 0x4, 0x0) connect$tipc(r5, &(0x7f0000000080), 0x10) getsockname(r5, &(0x7f0000000880)=@xdp={0x2c, 0x0, 0x0}, &(0x7f0000000900)=0x80) sendmsg$BATADV_CMD_GET_ORIGINATORS(r0, &(0x7f00000009c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000980)={&(0x7f0000000940)={0x1c, r3, 0x2, 0x70bd25, 0x25dfdbff, {}, [@BATADV_ATTR_HARD_IFINDEX={0x8, 0x6, r6}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8000}, 0x20000000) r7 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r7, 0xab02, 0x0) 09:13:05 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) setsockopt$TIPC_GROUP_JOIN(0xffffffffffffffff, 0x10f, 0x87, &(0x7f0000000000)={0x43, 0x2, 0x2}, 0x10) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$DRM_IOCTL_ADD_CTX(r2, 0xc0086420, &(0x7f00000000c0)) r3 = socket$inet_udp(0x2, 0x2, 0x0) r4 = dup2(r3, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$SG_GET_LOW_DMA(r4, 0x227a, &(0x7f0000000040)) r5 = socket(0x1e, 0x4, 0x0) connect$tipc(r5, &(0x7f0000000080), 0x10) ioctl$FS_IOC_SET_ENCRYPTION_POLICY(r5, 0x800c6613, &(0x7f0000000100)=@v1={0x0, @adiantum, 0x8, "8598cdb392437f69"}) [ 339.654632][T10466] block nbd1: Receive control failed (result -107) [ 339.663811][T13595] block nbd1: shutting down sockets 09:13:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) ioctl$void(r0, 0x5451) [ 339.769156][T10466] block nbd1: Receive control failed (result -107) [ 339.780042][T13595] block nbd1: shutting down sockets 09:13:05 executing program 3: r0 = getpid() perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:05 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x400000000000000) 09:13:05 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:05 executing program 5: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000040)='/dev/uhid\x00', 0xc03, 0x0) write$UHID_SET_REPORT_REPLY(r0, &(0x7f00000000c0)={0xe, {0x8, 0x6, 0xff, 0xcd, "b699dfb58e36cfa7f177988bdb35c6f9bbfae6040f81c29ba3fcfe59faba9c5f33a0c69304dd6f4eb84ce096e005a6cd1263c5a971d747fe857e24bd89bfbeb0e448b7e752f6e8d6a030a31d95c79a348c455e1adca80db0a26ebed8ceb9838a9b2378df6aff163591c1c023ae677159a37abdebf06ce84acc0e1ad08b700fbb3557401ce0c7119593aedb38b3a64fbaec53e0bb1feca851a659f2de6c5a8d8c4744aa71c900f254d0915b0eeaf076c0a1c2e0bcbc5bb29c1807f6904d39b7fda2ccf04eec217c9ab2a9b3140e"}}, 0xd9) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab02, 0x0) syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x202) [ 340.086571][T10466] block nbd1: Receive control failed (result -107) [ 340.096385][T13607] block nbd1: shutting down sockets [ 340.154701][T10466] block nbd1: Receive control failed (result -107) [ 340.162914][T13607] block nbd1: shutting down sockets 09:13:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x10) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) io_uring_register$IORING_REGISTER_BUFFERS(r2, 0x0, &(0x7f0000001540)=[{&(0x7f0000001600)=""/132, 0x84}, {&(0x7f0000000180)=""/206, 0xce}, {&(0x7f0000000280)=""/118, 0x76}, {&(0x7f0000000300)=""/231, 0xe7}, {&(0x7f0000000400)=""/193, 0xc1}, {&(0x7f00000015c0)=""/54, 0x36}, {&(0x7f0000000500)=""/4096, 0x1000}, {&(0x7f0000001500)=""/37, 0x25}], 0x8) 09:13:05 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:05 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x500000000000000) 09:13:05 executing program 3: r0 = getpid() perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:05 executing program 5: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cachefiles\x00', 0x111000, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab02, 0xfb37) socket$rxrpc(0x21, 0x2, 0x2) 09:13:06 executing program 0: r0 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x400) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f00000001c0)=@sack_info={r1, 0x6000, 0x80000000}, 0x0) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f0000000040)={r1, 0x2b, "d6135b4ed1b2318e93ac5584f4c6b9f17ec58f304088dcafc9fc2c0ae629057b466a8974e56c7cb4bd4c7a"}, &(0x7f00000000c0)=0x33) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0x125f, 0x0) 09:13:06 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 340.443932][T10466] block nbd1: Receive control failed (result -107) [ 340.453463][T13629] block nbd1: shutting down sockets [ 340.505019][T10466] block nbd1: Receive control failed (result -107) [ 340.514434][T13629] block nbd1: shutting down sockets 09:13:06 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x600000000000000) 09:13:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x48c502) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) [ 340.724134][T10466] block nbd1: Receive control failed (result -107) [ 340.734101][T13641] block nbd1: shutting down sockets 09:13:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000000)={0xffffffffffffffff}) getsockopt$EBT_SO_GET_INIT_ENTRIES(r1, 0x0, 0x83, &(0x7f0000000200)={'filter\x00', 0x0, 0x3, 0xba, [], 0x5, &(0x7f00000000c0)=[{}, {}, {}, {}, {}], &(0x7f0000000140)=""/186}, &(0x7f0000000040)=0x78) 09:13:06 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 340.849736][T10466] block nbd1: Receive control failed (result -107) [ 340.857652][T13641] block nbd1: shutting down sockets 09:13:06 executing program 3: sched_setscheduler(0x0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, 0x0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r0, 0x0, 0xc, &(0x7f00000002c0)=""/102) r1 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r1, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:06 executing program 5: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f0000000380)) getpgrp(r0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab02, 0x0) 09:13:06 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x700000000000000) 09:13:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000340)='/dev/vcsu\x00', 0xc0001, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x80002, 0x0) close(r3) r4 = syz_genetlink_get_family_id$batadv(&(0x7f0000000200)='batadv\x00') ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r2, 0x8933, &(0x7f00000001c0)={'batadv0\x00', 0x0}) sendmsg$BATADV_CMD_GET_MESH(r3, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)={0x24, r4, 0xf, 0x0, 0x0, {0xf}, [@BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r5}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0xf}]}, 0x24}}, 0x0) sendmsg$BATADV_CMD_TP_METER(r1, &(0x7f0000000480)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x44, r4, 0x800, 0x70bd25, 0x25dfdbfd, {}, [@BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0xfffffffa}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0xb497}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x4}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5}, @BATADV_ATTR_GW_BANDWIDTH_UP={0x8, 0x32, 0x8}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}]}, 0x44}, 0x1, 0x0, 0x0, 0x8800}, 0x4000) 09:13:06 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 341.173947][T10466] block nbd1: Receive control failed (result -107) [ 341.183130][T13660] block nbd1: shutting down sockets 09:13:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) connect$packet(r1, &(0x7f0000000040)={0x11, 0x8, 0x0, 0x1, 0xb8, 0x6, @random="7ed0e243aef6"}, 0x14) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) setsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xc, &(0x7f0000000000)=0xbd36, 0x4) 09:13:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r1 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/policy\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x13, &(0x7f0000000040)={0x0, 0xff}, &(0x7f00000000c0)=0x8) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r1, 0x84, 0xf, &(0x7f0000000100)={r2, @in6={{0xa, 0x4e24, 0x0, @remote, 0x10001}}, 0x8, 0x2, 0x5, 0x80000000, 0xfffff5bc}, &(0x7f00000001c0)=0x98) [ 341.217766][T10466] block nbd1: Receive control failed (result -107) [ 341.217909][T13664] block nbd1: shutting down sockets 09:13:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0xe80) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) ioctl$sock_inet_SIOCGIFNETMASK(r1, 0x891b, &(0x7f00000000c0)={'veth1\x00', {0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x30}}}) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) getpeername$inet6(r2, &(0x7f0000000040)={0xa, 0x0, 0x0, @ipv4={[], [], @multicast2}}, &(0x7f0000000080)=0x1c) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) 09:13:06 executing program 3: sched_setscheduler(0x0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, 0x0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r0, 0x0, 0xc, &(0x7f00000002c0)=""/102) r1 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r1, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:06 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x1f00000000000000) 09:13:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) clock_gettime(0x0, &(0x7f0000000000)) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) clock_gettime(0x0, &(0x7f0000000180)={0x0, 0x0}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) write$evdev(r2, &(0x7f00000000c0)=[{{}, 0x14, 0x1}, {{}, 0x3, 0x40, 0xff}, {{0x0, 0x2710}, 0x15, 0x1b7, 0x7fff}, {{r5, r6/1000+10000}, 0x1, 0x44e, 0x8}, {{r7, r8/1000+10000}, 0x1, 0x3, 0x7}, {{r3, r4/1000+10000}, 0x2, 0x7, 0x7}], 0x90) [ 341.540993][T10466] block nbd1: Receive control failed (result -107) [ 341.550567][T13680] block nbd1: shutting down sockets 09:13:07 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:07 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) bind$inet6(0xffffffffffffffff, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(0xffffffffffffffff, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) sendmsg$IPCTNL_MSG_EXP_GET_STATS_CPU(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x3, 0x2, 0x401, 0x0, 0x0, {0x3, 0x0, 0x9}, ["", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0xd0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x13, &(0x7f0000000180)={0x0, 0x80000001}, &(0x7f00000001c0)=0x8) setsockopt$inet_sctp_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000200)=@sack_info={r3, 0x5, 0xffffff80}, 0xc) r4 = socket(0x1e, 0x4, 0x0) connect$tipc(r4, &(0x7f0000000080), 0x10) sendmsg$IPCTNL_MSG_CT_GET(r4, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000340)=ANY=[@ANYBLOB="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"], 0x100}}, 0x94) 09:13:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x2000000000000000) [ 341.615063][T10466] block nbd1: Receive control failed (result -107) [ 341.624361][T13680] block nbd1: shutting down sockets 09:13:07 executing program 3: sched_setscheduler(0x0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, 0x0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r0, 0x0, 0xc, &(0x7f00000002c0)=""/102) r1 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r1, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x800200) [ 341.736254][T10466] block nbd1: Receive control failed (result -107) [ 341.746472][T13692] block nbd1: shutting down sockets 09:13:07 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) bind$inet6(0xffffffffffffffff, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(0xffffffffffffffff, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 341.794061][T10466] block nbd1: Receive control failed (result -107) [ 341.802905][T13692] block nbd1: shutting down sockets 09:13:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x3d10000000000000) 09:13:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$VIDIOC_QBUF(0xffffffffffffffff, 0xc058560f, &(0x7f0000000000)={0x80, 0xa, 0x4, 0x2, 0x4991, {0x0, 0x7530}, {0x2, 0x2, 0x1, 0x8, 0x7a, 0x5, "e7ea9e75"}, 0x401, 0x1, @userptr=0xc53d, 0x3, 0x0, 0xffffffffffffffff}) getsockopt$inet_udp_int(r1, 0x11, 0xa, &(0x7f00000000c0), &(0x7f0000000100)=0x4) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) [ 341.921038][T10466] block nbd1: Receive control failed (result -107) [ 341.930627][T13704] block nbd1: shutting down sockets 09:13:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = socket(0xf, 0x80000, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) ioctl$EXT4_IOC_SWAP_BOOT(r1, 0x6611) [ 341.969150][ C1] net_ratelimit: 9 callbacks suppressed [ 341.969177][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 341.969972][T10466] block nbd1: Receive control failed (result -107) [ 341.989430][T13707] block nbd1: shutting down sockets 09:13:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x3f00000000000000) [ 342.044998][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:13:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$TIOCL_GETSHIFTSTATE(r2, 0x541c, &(0x7f0000000280)) r3 = socket(0x1e, 0x4, 0x0) connect$tipc(r3, &(0x7f0000000080), 0x10) sendmsg$NFNL_MSG_COMPAT_GET(r3, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="38000000000b03000000000000006574306b657972696e7002f8ff0e0041002f6465001800000000000600"], 0x38}, 0x1, 0x0, 0x0, 0x44004}, 0x20040000) setsockopt$inet_udp_encap(r3, 0x11, 0x64, &(0x7f0000000040)=0x4, 0x4) r4 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vsock\x00', 0x4a64c0, 0x0) ioctl$SNDRV_PCM_IOCTL_RESET(r4, 0x4141, 0x0) ioctl$VIDIOC_SUBDEV_S_DV_TIMINGS(r4, 0xc0845657, &(0x7f00000000c0)={0x0, @reserved}) [ 342.259913][T10466] block nbd1: Receive control failed (result -107) [ 342.268568][T13720] block nbd1: shutting down sockets [ 342.335163][T10466] block nbd1: Receive control failed (result -107) [ 342.344377][T13728] block nbd1: shutting down sockets 09:13:08 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:08 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) bind$inet6(0xffffffffffffffff, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(0xffffffffffffffff, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) ioctl$KVM_S390_VCPU_FAULT(0xffffffffffffffff, 0x4008ae52, &(0x7f0000000000)=0x400) 09:13:08 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x4000000000000000) 09:13:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) fcntl$setsig(r1, 0xa, 0x25) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x7) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:13:08 executing program 3: r0 = getpid() sched_setscheduler(0x0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x40801) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040)=0xe9, 0x8) r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/bus/input/devices\x00', 0x0, 0x0) setsockopt$SO_RDS_MSG_RXPATH_LATENCY(r1, 0x114, 0xa, &(0x7f00000000c0), 0x1) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:13:08 executing program 0: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x3e7401, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0x125f, 0xffffffffffffffff) r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$KVM_KVMCLOCK_CTRL(r3, 0xaead) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/expire_quiescent_template\x00', 0x2, 0x0) r5 = socket$inet_udp(0x2, 0x2, 0x0) r6 = dup2(r5, r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) ioctl$KVM_SET_GUEST_DEBUG(r6, 0x4048ae9b, &(0x7f0000000140)={0x50000, 0x0, [0x0, 0xffffffff, 0x81, 0x9, 0x5, 0x800, 0x0, 0x1]}) sendto$rxrpc(r4, &(0x7f00000000c0), 0x0, 0x44001, &(0x7f0000000100)=@in4={0x21, 0x1, 0x2, 0x10, {0x2, 0x4e23, @rand_addr=0x6}}, 0x24) [ 342.616528][T10466] block nbd1: Receive control failed (result -107) [ 342.625901][T13737] block nbd1: shutting down sockets [ 342.655660][T10466] block nbd1: Receive control failed (result -107) [ 342.655853][T13738] block nbd1: shutting down sockets 09:13:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) getsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f00000000c0)={{{@in=@multicast1, @in6=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6}, 0x0, @in6=@local}}, &(0x7f00000001c0)=0xe8) mount$bpf(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='bpf\x00', 0x1021, &(0x7f0000000200)={[{@mode={'mode', 0x3d, 0x17d}}, {@mode={'mode', 0x3d, 0xffffffffffffffff}}, {@mode={'mode', 0x3d, 0x6}}, {@mode={'mode', 0x3d, 0x7f}}], [{@smackfshat={'smackfshat', 0x3d, '/dev/nbd#\x00'}}, {@hash='hash'}, {@uid_gt={'uid>', r2}}]}) 09:13:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) setsockopt$inet_tcp_buf(r1, 0x6, 0xe, &(0x7f00000000c0)="e3b51c66a6cea8cf2ca853835f6e772a63444721b39e7fc1bcbd3551b04517ee053b98c7979579a68a6d30662056434bad0b479889ce5248643efd93f9afea71cb0eaa0ae13e1bfc852ac46bc47197dba8a63ad0eaa56a4625267252fea42c83e77f772a75f1b63af691d56ab14fe7fdf303f78509ed05f7a81c029107efaeae0be144cfbf12e26fc59abed9d8c7e1ac76a14707a2749a43a5bc44c61357a8886295ec2d08239cd6c421fbe8a9b1cb4486c1460adf35cc5df2a830c52ac7782cbe96565455885a7415d6da39da0798b50e99c3e49bf69a58489828d539f629e75aa40e", 0xe3) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) ioctl$VIDIOC_S_JPEGCOMP(0xffffffffffffffff, 0x408c563e, &(0x7f00000001c0)={0xfffffff7, 0x7, 0x17, "52c59b5318bf82640b9fa9c1607dafc0a9e1b53eabb6d3fc3915487cfab2d3ba3c97a2ff1d1f0bb021b18fef171709cc3f641c60fed3c7a6e60758be", 0x3, "9bf52809b2feaf6a83419df6f0643a101462f5571231e944df956f5d893d1db9f2b856066a2707c5c0bdad36eedff613dec3cae2f5aeef7158b2664c"}) [ 342.750356][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 342.769172][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:13:08 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:08 executing program 0: syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0x125f, 0x200058) [ 343.013942][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:13:08 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:08 executing program 5: r0 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) accept$packet(r1, &(0x7f0000000040)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @local}, &(0x7f00000000c0)=0x14) sendmsg(r0, &(0x7f0000004c80)={&(0x7f0000000100)=@can={0x1d, r2}, 0x80, &(0x7f00000027c0)=[{&(0x7f0000000180)="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"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{0x38, 0x113, 0x1, "efc6325ba785e729b379525dac976d725910842438205a53db6ac3eca2742deffbea6d84"}, {0x58, 0x3a, 0x4, "3faf0ea20bfc19c2c1ad189ac7879bea93415621459025ed95f778c47f9b56a06fe53f8c2985ae747de1e44d9fa61f603fca272d39214c5b1f8576f4ee5c56e5357e2e42207b348f"}], 0x23d0}, 0x40) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0xab02, 0x0) 09:13:08 executing program 0: r0 = socket(0x1e, 0x4, 0x0) connect$tipc(r0, &(0x7f0000000080), 0x10) r1 = syz_open_dev$dri(&(0x7f0000000140)='/dev/dri/card#\x00', 0x7, 0x80802) ioctl$EXT4_IOC_MIGRATE(r1, 0x6609) ioctl$VIDIOC_PREPARE_BUF(0xffffffffffffffff, 0xc058565d, &(0x7f0000000000)={0x80, 0x1, 0x4, 0x8002e114, 0x0, {}, {0x5, 0x1, 0x80, 0x0, 0x8, 0x7, "ceae8f81"}, 0x6, 0x1, @fd, 0x7, 0x0, r0}) getsockopt$inet_sctp6_SCTP_HMAC_IDENT(r2, 0x84, 0x16, &(0x7f00000000c0)={0x1, [0x100]}, &(0x7f0000000100)=0x6) r3 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r3, 0x125f, 0x9) 09:13:08 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x4800000000000000) 09:13:08 executing program 3: r0 = getpid() sched_setscheduler(0x0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:08 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket(0x1e, 0x4, 0x0) connect$tipc(r3, &(0x7f0000000080), 0x10) setsockopt$inet_tcp_TCP_FASTOPEN_KEY(r3, 0x6, 0x21, &(0x7f0000000000)="a4a9f04daf3bff7b8fa41170900dfe6f", 0x10) ioctl$EVIOCGABS3F(r2, 0x8018457f, &(0x7f00000001c0)=""/197) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:13:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x1) ioctl$KVM_SET_CPUID2(r1, 0x4008ae90, &(0x7f0000000000)=ANY=[@ANYBLOB="01000000000000000d000000cd890014030000000700000000800000ffffff7f44dd991c8fb416f64b390166ba728694"]) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r2 = creat(&(0x7f00000000c0)='./file0/file0\x00', 0x10c) statx(r2, &(0x7f0000000100)='./file0\x00', 0x0, 0x80, &(0x7f0000000240)) r3 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dlm_plock\x00', 0x101000, 0x0) r4 = socket(0x1e, 0x4, 0x0) connect$tipc(r4, &(0x7f0000000080), 0x10) getsockopt$inet_pktinfo(r4, 0x0, 0x8, &(0x7f0000001b80)={0x0, @multicast2, @dev}, &(0x7f0000001bc0)=0xc) sendmmsg$sock(r3, &(0x7f0000001f00)=[{{&(0x7f0000000140)=@alg={0x26, 'aead\x00', 0x0, 0x0, 'morus640\x00'}, 0x80, &(0x7f0000001580)=[{&(0x7f00000001c0)="dbf1592e6c9e32bb70b29f00a13f8c036acdb956ecce58a935900d20a9503a277baafa9b9c1081c3e00b385092b5778a8674a65d56cc3cbbeaec", 0x3a}, {&(0x7f0000000340)="e371556d2f1a555ee21618e18f2eec6671d48922d4995bc5f56be81eb6f863883dee5767095b64a59ad47e60439f34e4ef5446dbf0b8e5db1934d1d0d9abbb5657f42f82aa68e8c07b765c9a2e50a85b08af119845999cf3274f284d436baaba95ddd7d2", 0x64}, {&(0x7f00000003c0)="66f6a14fd43075c6a1afb6f887921da0bf9a60c42db6e506b85b8897f19e0fbae75ed958904258cc7bc1b9c61db6f2a34c6b798115fe60b2a7fa60673a08ba9c1d0b77c23d53946e6f73cb43149cf783a8f999bfd563ec616cc0a6ca6461a8", 0x5f}, {&(0x7f0000000440)="061fea00428106ee5d519c81344b2d97bbd98ff4c98f2c6a10e375e30388dd412bd15e4c4b9509fd3c12fe8827bb4a8ded3331240a174bda2ef19226882ebdc718bd24f4dcaafcd3c3bc69017dd01d14e0b0363d01d2cf48e9383833294618a4de0ea2b6009527cde96e36e0b572b2a84b79f70e487bd017b5910633fcbddb834abac41128166eb7797a5884744b939afb9b212d67cf220f6bc7f7008cb8fa562927d51f7dd558d337c7826210f25923df975ba1c50e3d85eaa4474da41162d60cc63da2a9533b6d3fcaf8e423b06925716166caa68e3a033f617e88a0262c44d7ff14cd0ae841353d3b56daf0c66399d68a71441dc9b9ba5b206c4d402cc366a64edcd000935660aecb360dda67378f169f3b79b5587852285fb756f4badf9ea4b6587bdca5b590cf76e4f30988a57e4d611be206f5d5e7f20036d9a8858187b24ec3654bfbb8933fc75b09c32da1a8cb396a7dca89f1400e9fadc22fea6e50cf5062d53ea3115b4b5305f1891614704e139fafd7a9e561f56518317c5283346b2c84305fdb3047a23c05ac905289183f35a7c1188cf9df0de6a972dad22eaab3dc2a4f19cd40f7988e9b905c52ad663e47ddce820612462a9fd1ddc6b58c2ea140dbfad5aafe91ccc695ff33802a97a8dd9fe95effab309cc27460cde32cdf820c8fb6730196e915d7a61824944e7c6c25438078c57d1e0c10fd783a57bc05e9aabbe70bbf7870b2e2b389ed00c7242bd404c2d7b8efdef7a06a46c8c2c611e7a7e29446301a31184616a9f94026581fb9b4b82e849f15f80a7e9e8f26931d408ab5b0517668a02b079c2e5c517e1b4688b1afc6b8bb5e5da42803900d66a8c7b63aacfed1784f91aa20e20e5d822a295f452c656a0d213ec137097a67584041ac60eb45e1a62274f4ee40ecc6df70679d508f47aab65f3934638eda4e19a1d5632a836b1460bd9c76e72743f7e60e5ae91a2c22e8162a2fd0c1c5d774f78b74e0fedd63a9d4fcb4617f874f795ed8a7994f2475a6c1b422d2f992bd0e0475516defc700ccb724aaf446e9ac607e277aa33af785961002b00cd833d01eea77a44244c055d098b5e68f720e6a947a9c9c444b80f648456315f92f579b50d7d3ea6976ae1512252ea9f0848df732e738724e7288228034599397ceb6d02685fd573487bfa070badd514ee46f65f3c069a8b2cfd3790b31c3c09754dd5a20b825692358b2431d18692a94b2036bc79c7c470330ef057623a1ae4900159dedfb26e081db22d11afadd9822b440911fe5a5a25d8f67e01ac89922aace97c56e4e92be2b029c8aff3ef627943e26bb7cf7e5db3fe0f40c5d556e5d4a391711b147b65fbdbf59cf3444617d35c24adbebe4459f1390d686490bca61cc92fcd9d2adc9042ccaaeffa6ed63f0287e8ae5462643aaf82e0754f9acc50b536720bcda0b3104a5f353c5c58da9904c9d34867d8428bf8111c7c66816c254b76c39c4f7c21cdd783e212af4d91129aaf963d8c6e77fb18a52d5adc142c2f01e51517123116a440204e589b86a49313aaff24a1fa3f2239bb5ff841e8ec6ee4fc71fc621f8a9146499db93f17ce3a5732142dd2144e3f96ee5306a33fb100a94db7ac531d884242a97762020a83be7c4f3fa56c3461be0953a09a67130f3e716c14466243d2530570de1dd48baf4a0bfd82be9438a951a70dbc954465e9b9a4f98ce332124bf9c15ecdfc585ace7197d2c477493dc7115a4e924c3dd568222b53e3cb2332c26f2fffed6b82d6c7fbe500c7fc3b843146754bb1259b506279854b659d9ffe8fca6d57c9a1cb4b7483cf37baa17a3e9651a1fd1153cdbefbd7a511174a97d09f809be5e75719a64cb23d43ebcb222cf6ab62c9cb4c7eca8fce4223cb772dc3b38eda05252a165e6edb73707fdb2ef4b8c0e7ffa8a7b9aba1b560a6d7f1035964735685b0bd01cd47455615d31b340be95ee60e49024d95591ddd5cbbc92b4f42f4d701cfb429061a5008e22d2acad694bd296b2b9f7547a3bd3b57bc420dbc19e506754db79604e8241cc852737278ee5d7002b86ec0e0b7b8bf59c324ba168f4b973231fe66daf88304c530396d09e6cc2cc04f255e8265a301992c93570babdf3f0c6ba3ebebaeea5d7f5cf5c97d9ce838166def081c78f298de7d2ee114a024069f0461297ab2dbcd77a72d6d0e5c33c87c988f771231493750a8c5c5f594823d978a14a803c6df33c9cec608dc3a80c9a94e5bf7c65c698b6d1178f60ecd39680da9c5bb54f992462ad21fd991fe6311ca7a74c4e2af2401f57c4d8bd204f3201d3bf4f09434b67f43ff4fd955d56c8462f2273e7df292cc29a2128755d9b0e2d810f85fdeb7e3cd739a3827934a6b99f45cabd855352c352e093f6be18ae4ed77c3c72619eab7582a8c6e3c4cde4390567d9fa08273cd109eb4c4930d0a34971dbbf7868f2b1eead387a53908462629fa38d52e27db91d0bc618356f54c3965a422412fe240d1f2414e88d7c8b9a522dfa6d2c6fb1a204671b5cf499bd092690624427ab75684f02b8d01578a665731b33458c7033457d55a5ae93fb9081d929668f0da4583c92bfbd7f2038d16fed0dfd3b7ea0035f2331794e208cb4b6a80a704c132bfc2316a43594cfd27553275292335161dde8eddbbc8621e595c5bbadb6c35b049766e5bbc96f67c2233b6e04170f9b3fc7bd9d7868e872068e671427bba0bdd7b203fd6a7e4d44f7df14c7aae249fc2efacfa1798eab7fbeb221460cf2e72fa3720b89cb4f9383424b262e4861f8d62d7cf5b6e302b8fb7a0b024d941037f6ce7d7d9d2e3a9e8d07c6bf032e01ff98cdfad087ba69ca2f48bfd2d37f9be61db3877e483fdd73c69fba2759491439798c39f7c29be935c44e1adb02a70874cd7af1f36e8a8e5383827f950951174f533326015dec3403727e6c60d8963a19b23cf96391d0583c7e3267534dde1bbc7834ff89562589f3efdaf5c460b3c73cfa388ea9371901d5e6f95a38370ee960cedabb26b0fe7623a51ad5b5bd1898a5cbfd8f99bf684d925706a9d24c8536ae357f192adcf04826cfc10b4614e6a56190d7adbaf93a65c87636af9a01a90c7a1d229e4abace810dad30ca7694a2463dfe4cc71f314e9b8c449fa4e33deeb33e365a96b32ae18f2851a3917d280107b1011a79e3e9f5d8ff4e59d0d4497cb7841ed6f7a93f38506314eaa2d4ec853e86fd834c36a7c05deb4463ef79711849586c71064bd129d3d431df4d08fed686879b1838af7a6a61ccf9913353e16980027df5b7c2fc5ad7d7845426c806e41190b845e514ae95668893f7e1cfff7c238cfb30f6166f58e98eabd3f6fead90022dba9c411ead6a0e176f7a7448f15a21f4ababda93115275f56fa30280c99a52100c43430a2869cf8c9c4c7f48d0f05d2415ff430cee6516e18de78782fbb31444538dbcabea9a6f685fa030f853122224019437d1ec738885552bec57a471f620a61946b5efef6251e02383f2c827d6989fdc34b5faeed5bc71da656091f4b20f43cdc17b6ff451f7eb74df00823f11a2f1c9d7165c51dd4a06dcc0e5fb041d745cd0d9f513be86945af3fe6a7fcece3ab5f752edaf366bddaaf6853685630078fcde7c901620bc56167c057b505fce5cb5170dee937c235d47059480e8f2a076d1fa7255f137f864df4a1429f708e4a95db2156cce176095d053c9b44e9a63414083af3e564dcbb02d66fb5048c2ca7cbaf49404b996a0d2658a5676effacfee6e9c9f491ea0a6f978ef390bd2e1e9a5433244a1f65c6d410b08ac58de0b090f600f62d5dc47a29514f53bd560176f8d78521613d0748d5f42556490ac1b4e1c5d903e6feaed496f7faf6323668ed2c4fb6140f7b36513086bb5d8400b60cca2952f75f41d47802dc21bacb2e6c7a3e78f5cf89d6cb81a20b8f6bbf3e727a1a27a9e83d150c11a5380b676c28e087f3b96fa1b93c495cb34c42569930dc50ccd867c16843c4ac2af7c4edac32438a236d39292a671a6490dfaa8fa2d7d5810cf772efbf6e36b7c72b618d9ddfd9f76be4dc9a4b28e429a0c4e821f00af358fe12da9e9bd2c2c03a4f9bfcc3acd97f3cfb247ce80682921fd8f7b6ffa26ce496594f2a30e6f1b63996499dd37e070fd4ce4265f9ba3f5782a4e9eb83ff0e371a2eb2947f2375ce50138edd8abd5029805405626d22ec6d64d690af3e96563452929b971c47ede8bfdd9b79d56ebcd0ffac837234fc15fe3b81381302dbeb99edf073e6b686083f2af54ebfda9306885e2a1d93b645934280e15499da865fb0bf6754b07e238dc207ac0e9ee0f060a4ba336b2706f45d9466f7e6c0d1b3484292554dcaf0a8327e7ab57481831bbe45dabaabb32107212063489e1af6bb8d748e604940e029ac29d3482d9a97c6d8efb02994f445748c1b5824e77fdd5e21b14d28f27beb77014d6f4004ded9ece7e7044d87f9798f49809ad9b7ff6519ecd10efad2ed7e5a12580387a94f7c059f42afe7da1e0378b9378aa9ef91ac62a80e7cf47577b51d29c59577562c8af48d48dce540195160a97f2b55402a127463844d889ef957c1ff97604b4645a3cab2fe0ff1dbebd2b5b1eb1f187302e8d51bbbc7e97678142f067595ba84c8d020ea75ee2114cdf61c5cdc5feb80044dcb53a78e5f104ae18acfbca3d03501efebfd48883488c5ed856c63b63cf257a9a2b5527a83375215a5d8e49c61fe28f74a90749248695d36370962f5260308923928886f3da1faf5058f33fc850369395325bbfd742fc327abab5e3562b3ecd90a40e3075a11c21951862143538c53a8bde6256aaccaaba824d3c489b1a69e1fa64da4bf6c1ef04d3e3b64886fc75421b8a4104e38240d5498bea337be075c274186ac4a22d7998c4a207052fc378d71766a03f3498eb0a0a936ca8a8d9946377e5d7b5ba783dbfc2420d3ceb75203d6ebe3907f720576ffda641f7057f245e800af59574f1c1cc2d46bfb7158a65680efd4e08a0a5f70325376892a8fa608c7ee67f4a4a0b583e16beaacefeeb90ac19df4d40b83c18d6dcde82493347f739836104fdb13db951ddb7e1c3151b6c7c66683b4fefe057c5e3ba40475c484f0f4e2d48e65063f2fe34e66246843e5ed9ba8b176b27cc1684098481015412eedef8903d5135234ade6a56db2fa43f194ed39bf0b16728118c666f5fd293a246e06e100788ab877cb53ea934e89fe4329b9cdec286f5b2f30076e5eaebd268abe0faf2d327087890426f0c291fb55589f23003146c5df171d0e085578954a6c04eb9337a73cf5b56a37a1e6a61a9f6c63332f5551c8e3a0fd6b35a4cbbd76a6b72db3ccf29b525f73c11232779729a77e4b87435f41316d2f858c0bf6a560ea42b928fe41e4ff82148d6c191bf070bc30fd452734e9f4ba16f49aeb06023008cb7f2512325c9a8d294f5d65586fe98a133e4b342031b6ffae4acfb68d24b4549facd2124bae7576299b54b139cefa8d5521df58c2af79d4253c302ab60fe84823a8ef504fd5c2b7b2f31054fbe04a430ec9ecd18c19ac182223430923effc9b9b47929c299e5dc496beaf4b825f17632ba8975592b0f405bdf25d5d98749cf6d552e2464b561156144596a25b23b08fb411355b2aa6a05aa0bfd25ef7f4af3231a963e34890e7a1207e9439a8dc219e14c2c1c8925407a16d9f0b766057b13d7c1970c414cdd7e3ee3ba6aa2d3b74dad86fd1d41b3abf5fa41c8fc56a25ae75cecfd2338d7218cae969a5fc5ee2dcfe5bc9233cf18b63a022bdb436a39999c6e3af4", 0x1000}, {&(0x7f0000000200)="c6dd0b63b256ea9cd6443dfb762b581a452118d03b36ce5a0622f7223dda49b6f5dc3c282b6bb37e5db1ae58f71c", 0x2e}, {&(0x7f0000001440)}, {&(0x7f0000001480)="d11dddbc974f3554389d40d63650db59126ed0aa4c8e319b1adb35bc3a7501580db44f8205fcddb44ea2cacafe53125fda16f4a75a6b461f1cb579b27a3ca12d252a3c146d418580e7d25baa8e013e8fc5871b5dc6a7a928e1468f8c82779a6bc9da6b79c529e7f4d151a7e7cdb4e31462d85594bf6441f7b686f09bb21f06797648152d2f08fa", 0x87}, {&(0x7f0000001540)="a434acbc2f5483259f06eaaeae739f5a9337fed17fb5c9a456743b632ea779d0454a2b3c386a4df11b0bf8e4d98cef119095c8", 0x33}], 0x8, &(0x7f0000001600)=[@timestamping={{0x14, 0x1, 0x25, 0x6}}, @timestamping={{0x14, 0x1, 0x25, 0x3f}}, @timestamping={{0x14, 0x1, 0x25, 0x1ff}}, @mark={{0x14, 0x1, 0x24, 0x40}}, @mark={{0x14, 0x1, 0x24, 0x200}}], 0x78}}, {{&(0x7f0000001680)=@pppoe={0x18, 0x0, {0x4, @dev={[], 0xf}, 'vlan0\x00'}}, 0x80, &(0x7f0000001840)=[{&(0x7f0000001700)="ce5dcdc8d495e8ead5098d02dd40e8db3a78bd8027304862dde5c75a5f09a7acebdf22d7bf2507c2cef4aad84623ed3d01ff640c09f72f633a4d1ba72fc26890a6e63af938bf5a43e940eda4661341416f6009dcd5567839c72bbd4393a37673fc5347d155029171e819e248e2381de543ec", 0x72}, {&(0x7f0000001780)="cb701899701ef61685c1ea1241a94fd61845f517545e7819bb207820d578fc8af16d2e6e07a362c384c5b65fb375089b542a5cace8d65804dd98040ff44d6015d81fee57927d36a441fd2c7baf4fd64835903d7166ff1bfe70cb239b9e10db9a46d2b680ac33763a49bb7931e6188ae6ce34b04c2026072168ad7196a616a6b96d295fd2c90fb4c8b53679f900033b7e262549050a27516a04d3cf49f0e97c5f6ff4add903d8", 0xa6}], 0x2, &(0x7f0000001880)=[@timestamping={{0x14, 0x1, 0x25, 0x80000000}}], 0x18}}, {{&(0x7f00000018c0)=@vsock={0x28, 0x0, 0x2711}, 0x80, &(0x7f0000001a00)=[{&(0x7f0000001940)="bc2d3a727bf25fa538e7d4bd4f455847207ddc442efdbd417012c96d9db2479cc27721642b0dc146f19bfc5d2f6a06cf3f6363a67456f55e7bf297cc40b64a33a4232a6770621b34a813e4fc1352a27d61b956b47fc09a9f6dfcaa64278cb51195bcaeb12f3a9c71c0a4983670992a9a121a29b01baa43db4929e2aa562161eeb4b39861dc45ba72907f80e5232891926ce7cbdeb38b681cbb642b7692a513496332eaab0ee5d130cb4112b5f6bcbf4dbd", 0xb1}], 0x1, &(0x7f0000001a40)=[@txtime={{0x18, 0x1, 0x3d, 0xff}}, @mark={{0x14, 0x1, 0x24, 0x6}}, @mark={{0x14, 0x1, 0x24, 0x8}}, @timestamping={{0x14, 0x1, 0x25, 0x1}}, @mark={{0x14, 0x1, 0x24, 0x428a}}, @mark={{0x14}}, @timestamping={{0x14, 0x1, 0x25, 0x7f}}, @txtime={{0x18, 0x1, 0x3d, 0x4}}], 0xc0}}, {{0x0, 0x0, &(0x7f0000001b00), 0x0, &(0x7f0000001b40)=[@timestamping={{0x14, 0x1, 0x25, 0x6}}], 0x18}}, {{&(0x7f0000001c00)=@xdp={0x2c, 0xd, r5, 0x25}, 0x80, &(0x7f0000001e40)=[{&(0x7f0000001c80)="0a33b8ab01927e6f711ff819417025ce79fb0e268e04a3e9f57563ce673c8ba2fda7fe776ff670cd9d8895c3dc5ed1db177042e71ddd3ced3e8c6882c128fb1b6808d7874356477ae2c2f7e0e39dce7ce0cccedd5c203ca997cf516ec23a964705d08ab4a70d107f43ae63d4441f2c7948c979d19345c48a8a52aa0f8cf85033c3b4dd9ac9e4883f2caa9d5f71fbc57984a2a9f74571fe9ac11b2e31a0b46783542c6eb82b3219ef7d1367350bb0f6e17f786f331025320cb17b90d012eb26e1b0ea51a5eb7535138cee7805803f10a7262bdedf", 0xd4}, {&(0x7f0000001d80)="921da8568716f58bb5326df739310646543ca6ffddb3dffcf103fa68342eac3d5bf2c106b39641ad9817f688d96d21eb91d054b9b84f94f4d4521fe6877564cde2e9df737852f40b192ea5f313", 0x4d}, {&(0x7f0000001e00)="96b7", 0x2}], 0x3, &(0x7f0000001e80)=[@timestamping={{0x14, 0x1, 0x25, 0x8}}, @timestamping={{0x14, 0x1, 0x25, 0x4e76}}, @txtime={{0x18, 0x1, 0x3d, 0x1}}, @timestamping={{0x14, 0x1, 0x25, 0x1}}], 0x60}}], 0x5, 0x40000) r6 = socket(0x1e, 0x4, 0x0) connect$tipc(r6, &(0x7f0000000080), 0x10) setsockopt$inet_mreqsrc(r6, 0x0, 0xf, &(0x7f0000001440)={@dev={0xac, 0x14, 0x14, 0xd}, @dev={0xac, 0x14, 0x14, 0x18}, @multicast1}, 0xc) [ 343.243486][T10466] block nbd1: Receive control failed (result -107) [ 343.252288][T13763] block nbd1: shutting down sockets [ 343.272921][T10466] block nbd1: Receive control failed (result -107) [ 343.273107][T13768] block nbd1: shutting down sockets 09:13:08 executing program 5: r0 = add_key(&(0x7f0000000000)='cifs.spnego\x00', &(0x7f0000000040)={'syz', 0x1}, &(0x7f00000000c0)="382b7c18567e3097db20ca4abe3654df310d7da95e1917b00e146c32e6b1b96ef50d3ae512ed11c52f4a8cbdb36d499ece7e7746cc6a2f464de4084620798db362d61f643185ac1272ea1e3c2bc5dbd4fee19d8f1bbe74833222e80dc45725a835086a1e0ffd1734f9de570de6486cb96517b015fa7ed53a044786266d7f2302401b126c7f7bd763084ac438a00ee05fedd79ab667b77b20e8648fc58b5df9d61cea929341a17ff0d1f3c15e4cdb4f53ef22169d76da", 0xb6, 0xfffffffffffffffd) keyctl$assume_authority(0x10, r0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab02, 0x0) [ 343.336784][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:13:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r2, 0xc02064b9, &(0x7f00000000c0)={&(0x7f0000000000)=[0x0, 0xfffffff7, 0x7f, 0x8, 0x1ff, 0xb7cf, 0x7, 0xf5, 0x1], &(0x7f0000000040)=[0x0, 0x0], 0x9, 0x1c0, 0xcccccccc}) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) 09:13:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x4c00000000000000) 09:13:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0xde4) [ 343.618331][T10466] block nbd1: Receive control failed (result -107) [ 343.624989][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 343.627793][T13789] block nbd1: shutting down sockets [ 343.668199][T10466] block nbd1: Receive control failed (result -107) [ 343.677035][T13789] block nbd1: shutting down sockets [ 343.685187][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:13:09 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:09 executing program 3: r0 = getpid() sched_setscheduler(0x0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x6800000000000000) 09:13:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0x125f, 0x0) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000000)='/dev/nvram\x00', 0x0, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$DRM_IOCTL_AGP_ALLOC(r3, 0xc0206434, &(0x7f0000000040)={0x0, 0x0, 0x1, 0x40}) fcntl$lock(0xffffffffffffffff, 0x5, &(0x7f0000000100)={0x2, 0x0, 0x4, 0xfcc, 0xffffffffffffffff}) ioctl$DRM_IOCTL_AGP_BIND(r1, 0x40106436, &(0x7f00000000c0)={r4, 0x9}) 09:13:09 executing program 5: r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/nat_icmp_send\x00', 0x2, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000000040)=[@in={0x2, 0x4e22, @multicast1}, @in={0x2, 0x4e22, @multicast1}], 0x20) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab02, 0x0) 09:13:09 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 343.952091][T10466] block nbd1: Receive control failed (result -107) [ 343.963096][T13800] block nbd1: shutting down sockets [ 343.981116][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:13:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) ioctl$FIDEDUPERANGE(r1, 0xc0189436, &(0x7f0000000000)={0x20, 0x3, 0x2, 0x0, 0x0, [{{r0}, 0x258}, {{}, 0x2}]}) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) [ 344.030961][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 344.058042][T10466] block nbd1: Receive control failed (result -107) [ 344.058250][T13805] block nbd1: shutting down sockets 09:13:09 executing program 0: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x440000) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$SNDRV_TIMER_IOCTL_START(r2, 0x54a0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:13:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x6c00000000000000) 09:13:09 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x0, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) r3 = socket(0x1e, 0x4, 0x0) connect$tipc(r3, &(0x7f0000000080), 0x10) recvmsg(r3, &(0x7f0000000340)={&(0x7f0000000280)=@nfc, 0x80, &(0x7f0000001600)=[{&(0x7f0000000300)=""/62, 0x3e}, {&(0x7f00000003c0)=""/4096, 0x1000}, {&(0x7f00000013c0)=""/181, 0xb5}, {&(0x7f0000001480)=""/254, 0xfe}, {&(0x7f0000001580)=""/69, 0x45}], 0x5}, 0x0) r4 = getpid() sched_setscheduler(r4, 0x5, &(0x7f0000000380)) sched_setparam(r4, &(0x7f0000000180)=0x1c) r5 = socket(0x1e, 0x4, 0x0) connect$tipc(r5, &(0x7f0000000080)=@nameseq={0x1e, 0x1, 0x0, {0x0, 0x1}}, 0x10) openat$urandom(0xffffffffffffff9c, &(0x7f0000000040)='/dev/urandom\x00', 0x1, 0x0) accept4$unix(0xffffffffffffffff, &(0x7f00000000c0)=@abs, &(0x7f0000000140)=0x6e, 0x0) r6 = socket(0x1e, 0x4, 0x0) connect$tipc(r6, &(0x7f0000000080), 0x10) r7 = dup2(r6, r1) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) ioctl$KVM_ARM_SET_DEVICE_ADDR(r7, 0x4010aeab, &(0x7f0000000000)={0x7fff, 0x1}) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r8 = socket(0x1e, 0x4, 0x0) connect$tipc(r8, &(0x7f0000000080), 0x10) getsockopt$EBT_SO_GET_INFO(r8, 0x0, 0x80, &(0x7f00000001c0)={'filter\x00'}, &(0x7f0000000240)=0x78) [ 344.386844][T10466] block nbd1: Receive control failed (result -107) [ 344.396526][T13821] block nbd1: shutting down sockets [ 344.461042][T10466] block nbd1: Receive control failed (result -107) [ 344.461259][T13822] block nbd1: shutting down sockets 09:13:10 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:10 executing program 0: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:10 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x7400000000000000) 09:13:10 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:10 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x0, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 344.743322][T10466] block nbd1: Receive control failed (result -107) [ 344.754182][T13834] block nbd1: shutting down sockets [ 344.848528][T10466] block nbd1: Receive control failed (result -107) [ 344.854719][T13835] block nbd1: shutting down sockets 09:13:10 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x7a00000000000000) 09:13:10 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x0, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:10 executing program 0: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:10 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 345.192450][T10466] block nbd1: Receive control failed (result -107) [ 345.201902][T13848] block nbd1: shutting down sockets [ 345.277081][T10466] block nbd1: Receive control failed (result -107) [ 345.277361][T13850] block nbd1: shutting down sockets 09:13:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) getsockopt$TIPC_SOCK_RECVQ_DEPTH(r1, 0x10f, 0x84, &(0x7f0000000000), &(0x7f0000000040)=0x4) 09:13:11 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:11 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0xfdfdffff00000000) 09:13:11 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, 0x0) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 345.552185][T10466] block nbd1: Receive control failed (result -107) [ 345.561788][T13862] block nbd1: shutting down sockets 09:13:11 executing program 5: r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/net/pfkey\x00', 0x42100, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO(r0, 0xc02c5341, &(0x7f0000000240)) syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x101080) ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f0000000040)=0x0) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000100)='/dev/hwrng\x00', 0x410100, 0x0) getsockname$l2tp(r2, &(0x7f00000002c0)={0x2, 0x0, @initdev}, &(0x7f0000000300)=0x10) r3 = socket(0x15, 0x4, 0x0) r4 = socket$inet_udp(0x2, 0x2, 0x0) r5 = dup2(r4, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$LOOP_CHANGE_FD(r5, 0x4c06, r0) connect$tipc(r3, &(0x7f0000000080), 0x10) r6 = accept4(r3, &(0x7f00000001c0)=@rxrpc=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @empty}}, &(0x7f0000000140)=0x80, 0x800) ioctl$SIOCGSTAMPNS(r6, 0x8907, &(0x7f0000000180)) prlimit64(r1, 0x6, &(0x7f0000000080)={0x6, 0x3}, 0x0) r7 = socket$inet_udp(0x2, 0x2, 0x0) r8 = dup2(r7, r7) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) openat$cgroup_procs(r8, &(0x7f0000000340)='tasks\x00', 0x2, 0x0) r9 = socket$inet_udp(0x2, 0x2, 0x0) r10 = dup2(r9, r9) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) ioctl$NBD_SET_SIZE_BLOCKS(r10, 0xab02, 0x0) [ 345.626363][T10466] block nbd1: Receive control failed (result -107) [ 345.647334][T13867] block nbd1: shutting down sockets 09:13:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r1) r3 = socket(0x22, 0x0, 0x1) connect$tipc(r3, &(0x7f0000000080), 0x10) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040)=0x586, 0x8) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$inet_sctp6_SCTP_AUTOCLOSE(r2, 0x84, 0x4, &(0x7f00000000c0)=0x4, 0x4) ioctl$BLKSECDISCARD(r2, 0x127d, &(0x7f0000000000)=0x4) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r4 = syz_open_dev$media(&(0x7f0000002c40)='/dev/media#\x00', 0x3, 0xd40) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f0000002cc0)='nl80211\x00') r6 = socket$inet_udp(0x2, 0x2, 0x0) r7 = dup2(r6, r6) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(r7, 0xc01864c6, &(0x7f0000000100)={0xffffffffffffffff, 0x0, 0x80800}) sendmsg$NL80211_CMD_REQ_SET_REG(r4, &(0x7f0000002d80)={&(0x7f0000002c80)={0x10, 0x0, 0x0, 0x81100}, 0xc, &(0x7f0000002d40)={&(0x7f0000002d00)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="000129bd7000fedbdf251300000008009a00020100000801000000"], 0x2c}, 0x1, 0x0, 0x0, 0x20000000}, 0x4) 09:13:11 executing program 0: r0 = getpid() sched_setscheduler(r0, 0x0, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:11 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0xffffffff00000000) 09:13:11 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, 0x0) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:11 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:11 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 346.031280][T10466] block nbd1: Receive control failed (result -107) [ 346.040975][T13878] block nbd1: shutting down sockets 09:13:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000000)='/dev/nvram\x00', 0x800, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r3 = socket(0x1e, 0x4, 0x0) connect$tipc(r3, &(0x7f0000000080)=@nameseq={0x1e, 0x1, 0x0, {0x0, 0x0, 0x40}}, 0x10) ioctl$SIOCAX25DELFWD(r3, 0x89eb, &(0x7f00000001c0)={@netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}}) r4 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r5 = dup3(r2, r4, 0x0) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f00000000c0)={0x0, r5, 0x0, 0x8, &(0x7f0000000040)='cgroup2\x00'}, 0x30) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000500)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000004c0)={&(0x7f0000000580)=ANY=[@ANYBLOB="98227f007ad5f01984ff2f819d74c98dee10a02a3619c21c3f0fa4efe180953ba67db070b9227314e1908c250ad5f7325764401878dd08adbc0d807fd99fdc24ff9e75a10043bb3ed11a938828b91c838d7dcc3cd037e7f1ba01aed2c825eaba8a96efe712c04b0a6c71a01c8791e3d43a0aab2bcbc32f8d8f644301fc90b3059594e8253d5cbcb350d0f180e8c2", @ANYRES16=r7, @ANYBLOB="000025bd7000fcdbdf25010000000c00040000000100000000000c00020004000000000000000c0003000000000000000000140007804c000780"], 0x3}, 0x1, 0x0, 0x0, 0x4024081}, 0x0) r8 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000380)='/selinux/status\x00', 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x80010000}, 0xc, &(0x7f0000000400)={&(0x7f00000004c0)={0x60, r7, 0x200, 0x9, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xd957aa0940341ff2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x60}, 0x1, 0x0, 0x0, 0x1}, 0x4080) r9 = socket$inet_udp(0x2, 0x2, 0x0) r10 = dup2(r9, r9) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) ioctl$PPPIOCATTCHAN(r10, 0x40047438, &(0x7f0000000300)=0x4) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r7, 0x100, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffff}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x4008004}, 0x40) r11 = socket(0x1e, 0x4, 0x0) connect$tipc(r11, &(0x7f0000000080), 0x10) bind$tipc(r11, &(0x7f0000000340)=@id={0x1e, 0x3, 0x2, {0x4e23}}, 0x10) r12 = socket$kcm(0x10, 0x2, 0x10) r13 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0)='TIPC\x00') sendmsg$TIPC_CMD_SET_LINK_PRI(r12, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x68, r13, 0x8b8e0eb13081c495, 0x0, 0x0, {{}, {0x0, 0x4109}, {0x4c, 0x18, {0x60, @link='broadcast-link\x00'}}}}, 0x68}}, 0x0) sendmsg$TIPC_CMD_DISABLE_BEARER(r3, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x2c, r13, 0x400, 0x70bd2b, 0x25dfdbff, {{}, {}, {0x10, 0x13, @udp='udp:syz1\x00'}}, ["", "", "", ""]}, 0x2c}, 0x1, 0x0, 0x0, 0x84}, 0x8011) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) [ 346.085613][T10466] block nbd1: Receive control failed (result -107) [ 346.100648][T13878] block nbd1: shutting down sockets 09:13:11 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r2 = openat$null(0xffffffffffffff9c, &(0x7f0000000000)='/dev/null\x00', 0x10000, 0x0) fsconfig$FSCONFIG_CMD_CREATE(r2, 0x6, 0x0, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:13:11 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, 0x0) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x8000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:13:11 executing program 0: r0 = getpid() sched_setscheduler(r0, 0x5, 0x0) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:12 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 346.441424][T10466] block nbd1: Receive control failed (result -107) [ 346.451297][T13897] block nbd1: shutting down sockets [ 346.507312][T10466] block nbd1: Receive control failed (result -107) [ 346.519835][T13897] block nbd1: shutting down sockets 09:13:12 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:12 executing program 5: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:12 executing program 1: r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$TCSETX(r1, 0x5433, &(0x7f0000000000)={0x0, 0x40, [0x86c2, 0x5cb5, 0x0, 0x6, 0x7], 0x2}) r2 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r3 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab02, 0x0) 09:13:12 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, 0x0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:12 executing program 0: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:12 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r2 = syz_open_dev$tty20(0xc, 0x4, 0x0) ioctl$TIOCCONS(r2, 0x541d) r3 = socket(0x1e, 0x4, 0x0) connect$tipc(r3, &(0x7f0000000080), 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f00000001c0)=@sack_info={r4, 0x6000, 0x80000000}, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r3, 0x84, 0x9, &(0x7f00000000c0)={r4, @in6={{0xa, 0x4e24, 0xfff, @dev={0xfe, 0x80, [], 0x1e}, 0x20}}, 0xcda5, 0x6, 0x6, 0x9de, 0x20, 0xfffffffe, 0x1e}, &(0x7f0000000000)=0x9c) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000040)=@assoc_value={r5, 0x6}, &(0x7f0000000180)=0x8) 09:13:12 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:12 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 347.035041][ C1] net_ratelimit: 21 callbacks suppressed [ 347.035070][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 347.069531][T10466] block nbd1: Receive control failed (result -107) [ 347.115720][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 347.126944][T13922] block nbd1: shutting down sockets 09:13:12 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:12 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = openat$vimc2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video2\x00', 0x2, 0x0) ioctl$VIDIOC_S_FBUF(r1, 0x4030560b, &(0x7f0000000040)={0x8, 0x21, &(0x7f00000000c0)="a80d5ecfaf4f51b1cc978f10f11f4c5bbaffb279fc4c29e7ef0554ac74eae5a767bc65720466acef60406edbb290d96ec7a8082f1f3619a9e1326e10e5539d646cdee510f9fca6fd78d752c75573aa6b2beef5237694049c3ebd04562ef7652c31993b434dcc2765b21782e5ea8ec93570e313c3c4a35e94fbb651278264e0f479662963f7d0895f299fbbb00ad9985171821438ac1c8ecf46911c160336942b91336d79146220d192540cb638351b80263826c7af7f0468bbe38640a48662f66f91e45d1ac28617ec8571d74a1e7dac73bbcbb930ec1ac85c35", {0x26c, 0x80, 0x3231564e, 0x3, 0x4, 0x4db, 0xa, 0x1000}}) r2 = socket(0x15, 0x4, 0x4) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r3 = openat$cachefiles(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/cachefiles\x00', 0x42700, 0x0) open_by_handle_at(r3, &(0x7f0000000200)=ANY=[@ANYBLOB="f8000000050000008de703ac003a745c7a54c06cb2c1610e6031229f561c562445d4247a72fd5dedbae15c97e42eda878dd64ad90d747c641a321ba74445bed1c761c97b60ac729b21e98ec8e8e3b91dd9f4c2dbaba32c89e72ad0e29ed036528b94cc3f76e13dad16ac4d7d33aad4d0d46fa7ef00b0e49cdde2d9975b4e8b13912434a0caf4e12d727d89c7fb875a96852e5e404e80f18c40802f627cbb1459bc5422d7a1dbf18d002c6a974dedcb93275c807370036e0cddfd1f284f8d95abc48d77d6055a0585e6acccfec2b2c78de3ea5d9ac28f24e6e419fc3ab9c5b1dba410da00000000ec9c6d84b97f847c5f712442"], 0x8000) [ 347.250344][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 347.326745][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:13:13 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:13 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$USBDEVFS_CONTROL(r3, 0xc0185500, &(0x7f0000000040)={0x0, 0x5, 0x7f, 0x2, 0x35, 0x101, &(0x7f0000000000)="2e651b15192b37fafd92123d4a62af981f8c2aeea468e902497ffad5a7b89d15193759a5900145e262f3dc3777e50688a781aaee6c"}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) [ 347.587788][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 347.670331][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 347.727010][T10466] block nbd1: Receive control failed (result -107) [ 347.737474][T13941] block nbd1: shutting down sockets 09:13:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$USBDEVFS_CONTROL(r3, 0xc0185500, &(0x7f0000000040)={0x0, 0x5, 0x7f, 0x2, 0x35, 0x101, &(0x7f0000000000)="2e651b15192b37fafd92123d4a62af981f8c2aeea468e902497ffad5a7b89d15193759a5900145e262f3dc3777e50688a781aaee6c"}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:13:13 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, 0x0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:13:13 executing program 0: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:13 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 347.921214][T13947] block nbd1: shutting down sockets [ 347.969048][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 347.979596][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 09:13:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff}) pivot_root(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000180)='./file0\x00') setsockopt$TIPC_GROUP_LEAVE(r3, 0x10f, 0x88) r4 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000040)='IPVS\x00') r5 = socket(0x1e, 0x4, 0x0) connect$tipc(r5, &(0x7f0000000080), 0x10) sendmsg$IPVS_CMD_GET_DAEMON(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)={0x74, r4, 0x800, 0x70bd2b, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x2}, @IPVS_CMD_ATTR_SERVICE={0x58, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x8, 0x2}}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x0, 0x3c}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@loopback}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x4004004}, 0x48800) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) [ 348.010308][T10466] block nbd5: Receive control failed (result -107) [ 348.021335][T13949] block nbd5: shutting down sockets [ 348.079741][T10466] block nbd1: Receive control failed (result -107) [ 348.088593][T13954] block nbd1: shutting down sockets 09:13:13 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 348.122843][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 348.139783][T10466] block nbd1: Receive control failed (result -107) [ 348.147996][T13954] block nbd1: shutting down sockets 09:13:13 executing program 5: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x2000, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:13:13 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, 0x0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 348.338593][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 348.396382][T13964] block nbd1: shutting down sockets 09:13:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff}) pivot_root(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000180)='./file0\x00') setsockopt$TIPC_GROUP_LEAVE(r3, 0x10f, 0x88) r4 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000040)='IPVS\x00') r5 = socket(0x1e, 0x4, 0x0) connect$tipc(r5, &(0x7f0000000080), 0x10) sendmsg$IPVS_CMD_GET_DAEMON(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)={0x74, r4, 0x800, 0x70bd2b, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x2}, @IPVS_CMD_ATTR_SERVICE={0x58, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x8, 0x2}}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x0, 0x3c}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@loopback}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x4004004}, 0x48800) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:13:14 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 348.488847][T13964] block nbd1: shutting down sockets 09:13:14 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:14 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x21, 0x3, 0x1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:13:14 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff}) pivot_root(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000180)='./file0\x00') setsockopt$TIPC_GROUP_LEAVE(r3, 0x10f, 0x88) r4 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000040)='IPVS\x00') r5 = socket(0x1e, 0x4, 0x0) connect$tipc(r5, &(0x7f0000000080), 0x10) sendmsg$IPVS_CMD_GET_DAEMON(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)={0x74, r4, 0x800, 0x70bd2b, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x2}, @IPVS_CMD_ATTR_SERVICE={0x58, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x8, 0x2}}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x0, 0x3c}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@loopback}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x4004004}, 0x48800) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:13:14 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = dup(r1) ioctl$NBD_SET_SOCK(r2, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:13:14 executing program 5: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, 0x0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:14 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:14 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) setsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff}) pivot_root(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000180)='./file0\x00') setsockopt$TIPC_GROUP_LEAVE(r3, 0x10f, 0x88) r4 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000040)='IPVS\x00') r5 = socket(0x1e, 0x4, 0x0) connect$tipc(r5, &(0x7f0000000080), 0x10) sendmsg$IPVS_CMD_GET_DAEMON(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)={0x74, r4, 0x800, 0x70bd2b, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x2}, @IPVS_CMD_ATTR_SERVICE={0x58, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x8, 0x2}}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x0, 0x3c}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@loopback}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x4004004}, 0x48800) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:13:14 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) syz_mount_image$nfs(&(0x7f0000000000)='nfs\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x0, &(0x7f00000000c0), 0x200044, &(0x7f0000000100)='-eth0\x00') ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:13:14 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 349.251613][T10466] block nbd1: Receive control failed (result -107) [ 349.330865][T13993] block nbd1: shutting down sockets [ 349.369093][T10466] block nbd1: Receive control failed (result -107) 09:13:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff}) pivot_root(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000180)='./file0\x00') setsockopt$TIPC_GROUP_LEAVE(r3, 0x10f, 0x88) r4 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000040)='IPVS\x00') r5 = socket(0x1e, 0x4, 0x0) connect$tipc(r5, &(0x7f0000000080), 0x10) sendmsg$IPVS_CMD_GET_DAEMON(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)={0x74, r4, 0x800, 0x70bd2b, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x2}, @IPVS_CMD_ATTR_SERVICE={0x58, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x8, 0x2}}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x0, 0x3c}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@loopback}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x4004004}, 0x48800) ioctl$NBD_DO_IT(r0, 0xab03) [ 349.430296][T13993] block nbd1: shutting down sockets 09:13:15 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x10) r2 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-monitor\x00', 0x101000, 0x0) ioctl$KVM_GET_PIT(r2, 0xc048ae65, &(0x7f00000000c0)) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) 09:13:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff}) pivot_root(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000180)='./file0\x00') setsockopt$TIPC_GROUP_LEAVE(r3, 0x10f, 0x88) r4 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000040)='IPVS\x00') r5 = socket(0x1e, 0x4, 0x0) connect$tipc(r5, &(0x7f0000000080), 0x10) sendmsg$IPVS_CMD_GET_DAEMON(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f00000001c0)={0x74, r4, 0x800, 0x70bd2b, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x2}, @IPVS_CMD_ATTR_SERVICE={0x58, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x8, 0x2}}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x0, 0x3c}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@loopback}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x4004004}, 0x48800) 09:13:15 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) setsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:15 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socket(0x2, 0x1, 0x0) r1 = socket(0x1e, 0x4, 0x0) connect$tipc(r1, &(0x7f0000000080), 0x10) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab02, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$SNDRV_TIMER_IOCTL_PAUSE(r3, 0x54a3) 09:13:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff}) pivot_root(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000180)='./file0\x00') setsockopt$TIPC_GROUP_LEAVE(r3, 0x10f, 0x88) syz_genetlink_get_family_id$ipvs(&(0x7f0000000040)='IPVS\x00') r4 = socket(0x1e, 0x4, 0x0) connect$tipc(r4, &(0x7f0000000080), 0x10) 09:13:15 executing program 5: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:15 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:15 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:15 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) setsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff}) pivot_root(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000180)='./file0\x00') setsockopt$TIPC_GROUP_LEAVE(r3, 0x10f, 0x88) syz_genetlink_get_family_id$ipvs(&(0x7f0000000040)='IPVS\x00') socket(0x1e, 0x4, 0x0) 09:13:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff}) pivot_root(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000180)='./file0\x00') setsockopt$TIPC_GROUP_LEAVE(r3, 0x10f, 0x88) syz_genetlink_get_family_id$ipvs(&(0x7f0000000040)='IPVS\x00') 09:13:15 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff}) pivot_root(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000180)='./file0\x00') setsockopt$TIPC_GROUP_LEAVE(r3, 0x10f, 0x88) 09:13:16 executing program 2: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, 0xffffffffffffffff, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r3, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r3, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r4, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) 09:13:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1e, 0x4, 0x0) connect$tipc(r2, &(0x7f0000000080), 0x10) socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff}) setsockopt$TIPC_GROUP_LEAVE(r3, 0x10f, 0x88) 09:13:16 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, r0, 0x5, 0xffffffffffffffff, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x1, 0x0) semctl$GETVAL(r1, 0x0, 0xc, &(0x7f00000002c0)=""/102) r2 = perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r3, 0x6, 0x0, &(0x7f0000000280), 0x4) socket$inet6(0xa, 0x2, 0x0) perf_event_open(0x0, 0x0, 0x8, r2, 0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x2, 0x0, 0x1}, 0x20) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r4, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r5, 0x0, 0x0, 0x28000003, &(0x7f0000000100)={0xa, 0x28000004e22, 0x1, @empty, 0xfb}, 0x1c) write(0xffffffffffffffff, 0x0, 0x0) accept(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KDSKBMETA(0xffffffffffffffff, 0x4b63, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fdd000/0x18000)=nil, 0x0, 0x19000080, 0x0, 0x0, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r6 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r6, 0x29, 0x20, &(0x7f0000000300)={@mcast2, 0x10500, 0x0, 0x102, 0x8000003}, 0x20) r7 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r6, r7, &(0x7f0000000240)=0x202, 0x4000000000dc) [ 350.653992][T14021] block nbd1: shutting down sockets [ 428.960153][ T0] NOHZ: local_softirq_pending 08 [ 470.560179][ T0] NOHZ: local_softirq_pending 08 [ 488.481768][ T0] NOHZ: local_softirq_pending 08 [ 509.600414][ T0] NOHZ: local_softirq_pending 08 [ 510.239068][ T1129] INFO: task syz-executor.1:14021 blocked for more than 143 seconds. [ 510.247719][ T1129] Not tainted 5.5.0-rc7-syzkaller #0 [ 510.268752][ T1129] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 510.277481][ T1129] syz-executor.1 D28064 14021 10408 0x00004004 [ 510.294117][ T1129] Call Trace: [ 510.297719][ T1129] __schedule+0x934/0x1f90 [ 510.303878][ T1129] ? __sched_text_start+0x8/0x8 [ 510.314823][ T1129] ? __kasan_check_read+0x11/0x20 [ 510.321888][ T1129] ? __lock_acquire+0x16f2/0x4a00 [ 510.327191][ T1129] schedule+0xdc/0x2b0 [ 510.337937][ T1129] schedule_timeout+0x717/0xc50 [ 510.344639][ T1129] ? find_held_lock+0x35/0x130 [ 510.355631][ T1129] ? usleep_range+0x170/0x170 [ 510.362110][ T1129] ? lock_downgrade+0x920/0x920 [ 510.367084][ T1129] ? _raw_spin_unlock_irq+0x23/0x80 [ 510.378423][ T1129] ? wait_for_completion+0x294/0x440 [ 510.385716][ T1129] ? _raw_spin_unlock_irq+0x23/0x80 [ 510.397240][ T1129] ? lockdep_hardirqs_on+0x421/0x5e0 [ 510.406186][ T1129] ? trace_hardirqs_on+0x67/0x240 [ 510.418192][ T1129] wait_for_completion+0x29c/0x440 [ 510.425336][ T1129] ? wait_for_completion_interruptible+0x470/0x470 [ 510.438178][ T1129] ? wake_up_q+0x140/0x140 [ 510.444853][ T1129] ? flush_workqueue_prep_pwqs+0x29e/0x4f0 [ 510.457085][ T1129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 510.465904][ T1129] flush_workqueue+0x40a/0x14c0 [ 510.477088][ T1129] ? __dev_printk+0x202/0x20e [ 510.486177][ T1129] ? _dev_warn+0xd7/0x109 [ 510.496688][ T1129] ? pwq_unbound_release_workfn+0x2f0/0x2f0 [ 510.504497][ T1129] ? tipc_shutdown+0x172/0x650 [ 510.516729][ T1129] ? sock_shutdown+0x83/0x200 [ 510.523282][ T1129] nbd_ioctl+0x817/0xc4b [ 510.527685][ T1129] ? nbd_ioctl+0x817/0xc4b [ 510.538351][ T1129] ? nbd_release+0x150/0x150 [ 510.544726][ T1129] ? finish_wait+0x260/0x260 [ 510.555468][ T1129] ? nbd_release+0x150/0x150 [ 510.562799][ T1129] blkdev_ioctl+0x12f6/0x1df0 [ 510.567508][ T1129] ? blkpg_ioctl+0xa90/0xa90 [ 510.578432][ T1129] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 510.586148][ T1129] ? ___might_sleep+0x163/0x2c0 [ 510.597154][ T1129] block_ioctl+0xee/0x130 [ 510.603335][ T1129] ? blkdev_fallocate+0x400/0x400 [ 510.615874][ T1129] do_vfs_ioctl+0x977/0x14e0 [ 510.623125][ T1129] ? compat_ioctl_preallocate+0x220/0x220 [ 510.635503][ T1129] ? selinux_file_mprotect+0x620/0x620 [ 510.643052][ T1129] ? __fget+0x37f/0x550 [ 510.647480][ T1129] ? ksys_dup3+0x3e0/0x3e0 [ 510.658655][ T1129] ? ns_to_kernel_old_timeval+0x100/0x100 [ 510.666293][ T1129] ? tomoyo_file_ioctl+0x23/0x30 [ 510.677451][ T1129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 510.685525][ T1129] ? security_file_ioctl+0x8d/0xc0 [ 510.697511][ T1129] ksys_ioctl+0xab/0xd0 [ 510.703620][ T1129] __x64_sys_ioctl+0x73/0xb0 [ 510.708533][ T1129] do_syscall_64+0xfa/0x790 [ 510.721769][ T1129] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 510.727710][ T1129] RIP: 0033:0x45b349 [ 510.737601][ T1129] Code: Bad RIP value. [ 510.744625][ T1129] RSP: 002b:00007fb9749ffc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 510.758389][ T1129] RAX: ffffffffffffffda RBX: 00007fb974a006d4 RCX: 000000000045b349 [ 510.773852][ T1129] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 510.783639][ T1129] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 510.798008][ T1129] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 510.818442][ T1129] R13: 00000000000003fd R14: 00000000004c549d R15: 000000000075bf2c [ 510.827244][ T1129] [ 510.827244][ T1129] Showing all locks held in the system: [ 510.843503][ T1129] 1 lock held by khungtaskd/1129: [ 510.848579][ T1129] #0: ffffffff899a3dc0 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 510.865761][ T1129] 1 lock held by rsyslogd/10240: [ 510.871418][ T1129] #0: ffff888095f30d60 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 510.888992][ T1129] 2 locks held by getty/10362: [ 510.894022][ T1129] #0: ffff8880970e8090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 510.910178][ T1129] #1: ffffc9000188b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 510.925554][ T1129] 2 locks held by getty/10363: [ 510.933309][ T1129] #0: ffff888097758090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 510.947740][ T1129] #1: ffffc9000186b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 510.960859][ T1129] 2 locks held by getty/10364: [ 510.965948][ T1129] #0: ffff888096e3a090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 510.986712][ T1129] #1: ffffc9000182b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 510.996934][ T1129] 2 locks held by getty/10365: [ 511.008782][ T1129] #0: ffff88808f8ea090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 511.018005][ T1129] #1: ffffc9000184b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 511.034222][ T1129] 2 locks held by getty/10366: [ 511.041448][ T1129] #0: ffff8880970ce090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 511.056355][ T1129] #1: ffffc9000189b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 511.067603][ T1129] 2 locks held by getty/10367: [ 511.080670][ T1129] #0: ffff8880970cf090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 511.096554][ T1129] #1: ffffc900018ab2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 511.108021][ T1129] 2 locks held by getty/10368: [ 511.120365][ T1129] #0: ffff8880a59d5090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 511.134210][ T1129] #1: ffffc900018032e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 511.146865][ T1129] 2 locks held by kworker/u5:1/10466: [ 511.157182][ T1129] #0: ffff88808f8cc128 ((wq_completion)knbd1-recv){+.+.}, at: process_one_work+0x88b/0x1740 [ 511.174841][ T1129] #1: ffffc90002587dc0 ((work_completion)(&args->work)){+.+.}, at: process_one_work+0x8c1/0x1740 [ 511.186309][ T1129] [ 511.188669][ T1129] ============================================= [ 511.188669][ T1129] [ 511.208187][ T1129] NMI backtrace for cpu 0 [ 511.212873][ T1129] CPU: 0 PID: 1129 Comm: khungtaskd Not tainted 5.5.0-rc7-syzkaller #0 [ 511.221576][ T1129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 511.231774][ T1129] Call Trace: [ 511.235102][ T1129] dump_stack+0x197/0x210 [ 511.239461][ T1129] nmi_cpu_backtrace.cold+0x70/0xb2 [ 511.244731][ T1129] ? vprintk_func+0x86/0x189 [ 511.249752][ T1129] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 511.255444][ T1129] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 511.261758][ T1129] arch_trigger_cpumask_backtrace+0x14/0x20 [ 511.267703][ T1129] watchdog+0xb11/0x10c0 [ 511.272070][ T1129] kthread+0x361/0x430 [ 511.276279][ T1129] ? reset_hung_task_detector+0x30/0x30 [ 511.282044][ T1129] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 511.288014][ T1129] ret_from_fork+0x24/0x30 [ 511.292750][ T1129] Sending NMI from CPU 0 to CPUs 1: [ 511.298712][ C1] NMI backtrace for cpu 1 [ 511.298719][ C1] CPU: 1 PID: 4158 Comm: udevd Not tainted 5.5.0-rc7-syzkaller #0 [ 511.298726][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 511.298731][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x50 [ 511.298743][ C1] Code: cc cc cc cc cc cc 65 48 8b 04 25 c0 1e 02 00 48 8b 80 98 13 00 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 <65> 48 8b 04 25 c0 1e 02 00 65 8b 15 14 27 8d 7e 81 e2 00 01 1f 00 [ 511.298747][ C1] RSP: 0018:ffffc90001277b98 EFLAGS: 00000246 [ 511.298755][ C1] RAX: 0000000000000000 RBX: ffffc90001277c48 RCX: ffffffff8165d466 [ 511.298760][ C1] RDX: 0000000000018a3a RSI: 0000000000018a3a RDI: 0000000000018a3a [ 511.298766][ C1] RBP: ffffc90001277b98 R08: ffff8880a7864080 R09: 0000000000000000 [ 511.298771][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000001bf42c8 [ 511.298776][ C1] R13: fffffbfff1326672 R14: dffffc0000000000 R15: 0000000000018a3a [ 511.298782][ C1] FS: 00007f9f90aa47a0(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 511.298787][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 511.298793][ C1] CR2: 00007f94de464000 CR3: 00000000a7340000 CR4: 00000000001406e0 [ 511.298798][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 511.298804][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 511.298806][ C1] Call Trace: [ 511.298810][ C1] ktime_get_ts64+0x237/0x3e0 [ 511.298814][ C1] select_estimate_accuracy+0xd4/0x330 [ 511.298818][ C1] ? timespec64_add_safe+0x189/0x210 [ 511.298821][ C1] ? compat_get_fd_set+0x80/0x80 [ 511.298826][ C1] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 511.298829][ C1] ep_poll+0x3b3/0xe60 [ 511.298833][ C1] ? finish_task_switch+0x147/0x750 [ 511.298836][ C1] ? _raw_spin_unlock_irq+0x23/0x80 [ 511.298840][ C1] ? lockdep_hardirqs_on+0x421/0x5e0 [ 511.298843][ C1] ? ep_modify+0x8e0/0x8e0 [ 511.298847][ C1] ? finish_task_switch+0x147/0x750 [ 511.298851][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 511.298855][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 511.298860][ C1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 511.298864][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 511.298868][ C1] ? __fget_light+0x1a9/0x230 [ 511.298871][ C1] do_epoll_wait+0x210/0x260 [ 511.298874][ C1] __x64_sys_epoll_wait+0x97/0xf0 [ 511.298878][ C1] do_syscall_64+0xfa/0x790 [ 511.298882][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 511.298890][ C1] RIP: 0033:0x7f9f901b8943 [ 511.298903][ C1] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 511.298907][ C1] RSP: 002b:00007ffd893d5518 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 511.298916][ C1] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f9f901b8943 [ 511.298922][ C1] RDX: 0000000000000008 RSI: 00007ffd893d5610 RDI: 000000000000000a [ 511.298927][ C1] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 [ 511.298933][ C1] R10: 0000000000000bb8 R11: 0000000000000246 R12: 0000000000000003 [ 511.298938][ C1] R13: 0000000000000000 R14: 00000000024b8b00 R15: 000000000247e030 [ 511.306906][ T1129] Kernel panic - not syncing: hung_task: blocked tasks [ 511.628562][ T1129] CPU: 0 PID: 1129 Comm: khungtaskd Not tainted 5.5.0-rc7-syzkaller #0 [ 511.636948][ T1129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 511.647018][ T1129] Call Trace: [ 511.650599][ T1129] dump_stack+0x197/0x210 [ 511.655146][ T1129] panic+0x2e3/0x75c [ 511.659085][ T1129] ? add_taint.cold+0x16/0x16 [ 511.664019][ T1129] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 511.669675][ T1129] ? ___preempt_schedule+0x16/0x18 [ 511.675129][ T1129] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 511.681303][ T1129] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 511.687652][ T1129] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 511.694124][ T1129] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 511.700331][ T1129] watchdog+0xb22/0x10c0 [ 511.705217][ T1129] kthread+0x361/0x430 [ 511.709320][ T1129] ? reset_hung_task_detector+0x30/0x30 [ 511.715093][ T1129] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 511.721029][ T1129] ret_from_fork+0x24/0x30 [ 511.727890][ T1129] Kernel Offset: disabled [ 511.732251][ T1129] Rebooting in 86400 seconds..