, 0x80045700, &(0x7f0000000000)) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 15:28:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (rerun: 32) accept4$tipc(0xffffffffffffffff, &(0x7f0000000000)=@id, &(0x7f0000000040)=0x10, 0x800) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) (rerun: 64) 15:28:25 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) socketpair(0x21, 0x800, 0x2, &(0x7f00000002c0)) r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r1, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) socketpair(0xfd9d61d0b7fc665c, 0x1, 0x1, &(0x7f0000000400)) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r2, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) 15:28:25 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) socketpair(0x21, 0x800, 0x2, &(0x7f00000002c0)) r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r1, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) socketpair(0xfd9d61d0b7fc665c, 0x1, 0x1, &(0x7f0000000400)) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r2, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r3, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) 15:28:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, 0x0, 0x810) 15:28:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TEAM_CMD_PORT_LIST_GET(0xffffffffffffffff, 0x0, 0x0) (async) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000ae482e2e3aeeeb4a00000014000600767863616e8e4cf8a5032e2788613b3114e76c3460f04feb0161f0a0465f1835150c2a9800c52194303d88659a8173a21b0200b3fe49597c5f000000"], 0x28}}, 0x0) (async) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000440)={0xffffffffffffffff, 0xe0, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, &(0x7f0000000080)=[0x0, 0x0, 0x0], ""/16, 0x0, 0x0, 0x0, 0x0, 0x2, 0x1, &(0x7f0000000140)=[0x0, 0x0], &(0x7f0000000180)=[0x0], 0x0, 0x8, &(0x7f00000001c0)=[{}, {}], 0x10, 0x10, &(0x7f0000000200), &(0x7f0000000280), 0x8, 0x10, 0x8, 0x8, &(0x7f0000000300)}}, 0x10) (async, rerun: 32) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f0000000480)={0x0, @empty, @multicast1}, &(0x7f00000004c0)=0xc) (async, rerun: 32) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f00000007c0)={0xffffffffffffffff, 0xe0, &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, &(0x7f0000000500)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], ""/16, 0x0, 0x0, 0x0, 0x0, 0x2, 0x4, &(0x7f0000000540)=[0x0, 0x0], &(0x7f0000000580)=[0x0, 0x0, 0x0, 0x0], 0x0, 0x8, &(0x7f00000005c0)=[{}, {}], 0x10, 0x10, &(0x7f0000000600), &(0x7f0000000640), 0x8, 0x10, 0x8, 0x8, &(0x7f0000000680)}}, 0x10) (async) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000800)={'team0\x00', 0x0}) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000b00)={0xffffffffffffffff, 0xe0, &(0x7f0000000a00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, &(0x7f0000000840)=[0x0], ""/16, 0x0, 0x0, 0x0, 0x0, 0x6, 0x5, &(0x7f0000000880)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f00000008c0)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0x8, &(0x7f0000000900)=[{}, {}, {}, {}, {}], 0x28, 0x10, &(0x7f0000000940), &(0x7f0000000980), 0x8, 0x10, 0x8, 0x8, &(0x7f00000009c0)}}, 0x10) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000001100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000010c0)={&(0x7f0000000b40)={0x56c, 0x0, 0x400, 0x70bd29, 0x25dfdbfd, {}, [{{0x8}, {0x1ec, 0x2, 0x0, 0x1, [{0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0xfa}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0xc000000}}}, {0x40, 0x1, @name={{0x24}, {0x5}, {0xf, 0x4, 'roundrobin\x00'}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8, 0x4, r3}}, {0x8}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x80000001}}, {0x8, 0x6, r4}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r5}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}]}}, {{0x8, 0x1, r6}, {0x16c, 0x2, 0x0, 0x1, [{0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x9}}, {0x8, 0x6, r7}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x81}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x9}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x7}}, {0x8}}}]}}, {{0x8}, {0x1e8, 0x2, 0x0, 0x1, [{0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x3}}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x40}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x5}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x4}}, {0x8}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x7ff}}, {0x8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}]}}]}, 0x56c}, 0x1, 0x0, 0x0, 0x20000040}, 0x800) 15:28:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x14, r2, 0x10, 0x70bd28, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x40}, 0x8090) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x3c, r6, 0x4, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8}]}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000000}, 0x24f0313f142852d7) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x300}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x0) 15:28:25 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) socketpair(0x21, 0x800, 0x2, &(0x7f00000002c0)) r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r1, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) socketpair(0xfd9d61d0b7fc665c, 0x1, 0x1, &(0x7f0000000400)) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r2, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) [ 1192.075122] nbd: must specify a size in bytes for the device 15:28:25 executing program 4: setsockopt$TIPC_SRC_DROPPABLE(0xffffffffffffffff, 0x10f, 0x80, &(0x7f0000000380)=0x1, 0x4) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r1, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000140)={&(0x7f0000000040)={0xd4, r2, 0x10, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_SECCTX={0x24, 0x7, 'system_u:object_r:sshd_key_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00'}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:login_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @private=0xa010100}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0x40}}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:v4l_device_t:s0\x00'}]}, 0xd4}, 0x1, 0x0, 0x0, 0x80}, 0x11) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x18, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 15:28:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TEAM_CMD_PORT_LIST_GET(0xffffffffffffffff, 0x0, 0x0) (async) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000ae482e2e3aeeeb4a00000014000600767863616e8e4cf8a5032e2788613b3114e76c3460f04feb0161f0a0465f1835150c2a9800c52194303d88659a8173a21b0200b3fe49597c5f000000"], 0x28}}, 0x0) (async) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000440)={0xffffffffffffffff, 0xe0, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, &(0x7f0000000080)=[0x0, 0x0, 0x0], ""/16, 0x0, 0x0, 0x0, 0x0, 0x2, 0x1, &(0x7f0000000140)=[0x0, 0x0], &(0x7f0000000180)=[0x0], 0x0, 0x8, &(0x7f00000001c0)=[{}, {}], 0x10, 0x10, &(0x7f0000000200), &(0x7f0000000280), 0x8, 0x10, 0x8, 0x8, &(0x7f0000000300)}}, 0x10) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f0000000480)={0x0, @empty, @multicast1}, &(0x7f00000004c0)=0xc) (async, rerun: 32) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f00000007c0)={0xffffffffffffffff, 0xe0, &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, &(0x7f0000000500)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], ""/16, 0x0, 0x0, 0x0, 0x0, 0x2, 0x4, &(0x7f0000000540)=[0x0, 0x0], &(0x7f0000000580)=[0x0, 0x0, 0x0, 0x0], 0x0, 0x8, &(0x7f00000005c0)=[{}, {}], 0x10, 0x10, &(0x7f0000000600), &(0x7f0000000640), 0x8, 0x10, 0x8, 0x8, &(0x7f0000000680)}}, 0x10) (async, rerun: 32) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000800)={'team0\x00', 0x0}) (async) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000b00)={0xffffffffffffffff, 0xe0, &(0x7f0000000a00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, &(0x7f0000000840)=[0x0], ""/16, 0x0, 0x0, 0x0, 0x0, 0x6, 0x5, &(0x7f0000000880)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f00000008c0)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0x8, &(0x7f0000000900)=[{}, {}, {}, {}, {}], 0x28, 0x10, &(0x7f0000000940), &(0x7f0000000980), 0x8, 0x10, 0x8, 0x8, &(0x7f00000009c0)}}, 0x10) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f0000001100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000010c0)={&(0x7f0000000b40)={0x56c, 0x0, 0x400, 0x70bd29, 0x25dfdbfd, {}, [{{0x8}, {0x1ec, 0x2, 0x0, 0x1, [{0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0xfa}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0xc000000}}}, {0x40, 0x1, @name={{0x24}, {0x5}, {0xf, 0x4, 'roundrobin\x00'}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8, 0x4, r3}}, {0x8}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x80000001}}, {0x8, 0x6, r4}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8, 0x6, r5}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x2}}}]}}, {{0x8, 0x1, r6}, {0x16c, 0x2, 0x0, 0x1, [{0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x9}}, {0x8, 0x6, r7}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x3c, 0x1, @user_linkup={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x81}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x9}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x7}}, {0x8}}}]}}, {{0x8}, {0x1e8, 0x2, 0x0, 0x1, [{0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x3}}, {0x8}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24}, {0x5}, {0x8, 0x4, 0x40}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x5}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x4}}, {0x8}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x7ff}}, {0x8}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}]}}]}, 0x56c}, 0x1, 0x0, 0x0, 0x20000040}, 0x800) 15:28:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x6c, r3, 0x208, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip6erspan0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:groupadd_exec_t:s0\x00'}]}, 0x6c}, 0x1, 0x0, 0x0, 0x10}, 0x200000c0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, 0x0, 0x810) 15:28:25 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) socketpair(0x21, 0x800, 0x2, &(0x7f00000002c0)) r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r1, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) socketpair(0xfd9d61d0b7fc665c, 0x1, 0x1, &(0x7f0000000400)) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) 15:28:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NFC_CMD_GET_SE(r1, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x6000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x14, 0x0, 0x100, 0x70bd2b, 0x25dfdbfe, {}, [""]}, 0x14}, 0x1, 0x0, 0x0, 0x84810}, 0x20000092) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000140)=ANY=[@ANYRES16=r2, @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r7 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r7, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) r8 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r8, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000440)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x6c, r6, 0x300, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x200}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r8}]}]}, 0x6c}, 0x1, 0x0, 0x0, 0x800}, 0x8800) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r9, 0x20, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'F$'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20008819}, 0x24000044) 15:28:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r0) sendmsg$NFC_CMD_GET_SE(r2, &(0x7f00000008c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000880)={&(0x7f0000000840)={0x14, r3, 0x8, 0x70bd2c, 0x25dfdbfd, {}, ["", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x44801}, 0x800) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLIST(r5, &(0x7f00000005c0)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000500)={&(0x7f0000000480)={0x38, r1, 0x100, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x80) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000780)=ANY=[@ANYBLOB="b1c5804de5c231e0f6dca916f2116aa6a46136f5698f679ac0e5d208d295eb2a9d13a8cf49140f131e354bf0918e0c689c1849aaba9d6da27eeac5f268e05980dde0420f656b25620417c74bb71d59ca28d72e776195469489b2f635b9f85346b1bba0e7463c9d5b0eefd47bfb63", @ANYRES16=r4, @ANYBLOB="00032bbd7000fcdbdf25030000000c00050008000000000000000c00080006000000000000000c000800010000000000000008000100000000000c000800ff00000000000000"], 0x4c}, 0x1, 0x0, 0x0, 0x40000}, 0x4000) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000280), r0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r6, &(0x7f0000000400)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="a0000002", @ANYRES16=r7, @ANYBLOB="000228bd7000fbdbdf25080000002500070073797374656d5f753a6f626a6563745f723a64706b675f6c6f636b5f743a733000000000080005000a01010208000400e000000214000200fe8000000000000000000000000000bb1400030000000000000000000000ffffac1e00012900070073797374656d5f753a6f626a6563745f723a7573627474795f6465766963655f743a733000000000"], 0xa0}, 0x1, 0x0, 0x0, 0x5}, 0x800) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r8, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000060000ff0100008e08000000000800003b31000000"], 0x28}}, 0x0) r9 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r10, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r10, &(0x7f0000000740)={&(0x7f0000000680)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x28, r1, 0x0, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0={0xfc, 0x0, '\x00', 0x1}}]}, 0x28}, 0x1, 0x0, 0x0, 0xc004}, 0x570b0aee2a0d4f41) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r9, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) ioctl$KVM_GET_MSRS(r9, 0xc008ae88, &(0x7f0000000600)={0x5, 0x0, [{}, {}, {}, {}, {}]}) 15:28:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000fbdbdf2501000000040007800c0006000100000000000000d91002a491c37c17fd125fb69a689072ca19cfeebc2a39e9bf46f61085ceb39c96ba6b6726aa0cdac6e4a1c2c667cca59048f640c0790eab5a8198d726e8be77b9eb1b0d31ba4d4a52dc7180d83d983acd8820b1947d625cca0ca992b6e596b2025d4fae9cdb2da02503ac51e46d7260635d4e3d9b9259fb43d1e98211083b2b4c867ec270a2cf3fcf"], 0x24}, 0x1, 0x0, 0x0, 0x4080}, 0x4010) [ 1192.165156] nbd: must specify a size in bytes for the device [ 1192.193381] nbd: must specify at least one socket 15:28:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:26 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) socketpair(0x21, 0x800, 0x2, &(0x7f00000002c0)) r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r1, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) socketpair(0xfd9d61d0b7fc665c, 0x1, 0x1, &(0x7f0000000400)) 15:28:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_LIST(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x68, 0x0, 0x300, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0x2e}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'syzkaller0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x68}, 0x1, 0x0, 0x0, 0x40010}, 0x4000000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NFC_CMD_GET_TARGET(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x14, 0x0, 0x800, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x2000040) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000400000014000600767863616e8e4cf8a5032e2788613b31"], 0x28}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000440)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x38, r6, 0x200, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x589}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000}, 0x20008040) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r3) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r3, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r7, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r7, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'dummy0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'hsr0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @remote}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}]}, 0x90}, 0x1, 0x0, 0x0, 0x2008090}, 0x40000) 15:28:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x60, 0x0, 0x20, 0x70bd2d, 0x9, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x19}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @broadcast}]}, 0x60}, 0x1, 0x0, 0x0, 0x44080}, 0x4000850) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) sendmsg$NFC_CMD_GET_TARGET(r3, &(0x7f0000000300)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x14, 0x0, 0x800, 0x70bd29, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x40000) 15:28:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000040)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x2c}}, 0x80) [ 1192.275028] nbd: must specify a size in bytes for the device 15:28:26 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) socketpair(0x21, 0x800, 0x2, &(0x7f00000002c0)) r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r1, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) 15:28:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000400000014000600767863616e8e4cf8a5032e2788613b31"], 0x28}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000440)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x38, r6, 0x200, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x589}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000}, 0x20008040) (rerun: 64) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r3) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r3, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r7, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r7, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'dummy0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'hsr0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @remote}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}]}, 0x90}, 0x1, 0x0, 0x0, 0x2008090}, 0x40000) 15:28:26 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) socketpair(0x21, 0x800, 0x2, &(0x7f00000002c0)) r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r1, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) socketpair(0xfd9d61d0b7fc665c, 0x1, 0x1, &(0x7f0000000400)) 15:28:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="010000000000000000000100080004000780"], 0x18}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x50, 0x0, 0x2, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}]}, 0x50}, 0x1, 0x0, 0x0, 0x40050}, 0x40050) [ 1192.371600] nbd: must specify at least one socket 15:28:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000c69700000100000000040007800c0002000000000000000000"], 0x24}}, 0x0) 15:28:26 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) socketpair(0x21, 0x800, 0x2, &(0x7f00000002c0)) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) 15:28:26 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) socketpair(0x21, 0x800, 0x2, &(0x7f00000002c0)) r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r1, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) socketpair(0xfd9d61d0b7fc665c, 0x1, 0x1, &(0x7f0000000400)) 15:28:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:26 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$ptp0(0xffffffffffffff9c, &(0x7f0000000bc0), 0x0, 0x0) ioctl$PTP_PIN_GETFUNC2(r0, 0xc0603d0f, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r1, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f0000000040)={&(0x7f0000000140)=ANY=[@ANYBLOB="98000000f4e9feed545a44cb03ca59e38ba23cd917e7f3cae843d5995e277a39b541c1c141e72e", @ANYRES16=0x0, @ANYRES32=r0], 0x98}, 0x1, 0x0, 0x0, 0x24000000}, 0x80) 15:28:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NLBL_UNLABEL_C_LIST(r1, &(0x7f0000000100)={&(0x7f0000000040), 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, 0x0, 0x100, 0x70bd2a, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x20000004}, 0x44804) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x8c1) 15:28:26 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) socketpair(0x21, 0x800, 0x2, &(0x7f00000002c0)) 15:28:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000400000014000600767863616e8e4cf8a5032e2788613b31"], 0x28}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000440)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x38, r6, 0x200, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x589}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000}, 0x20008040) (rerun: 64) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r3) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r3, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r7, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r7, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'dummy0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'hsr0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @remote}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}]}, 0x90}, 0x1, 0x0, 0x0, 0x2008090}, 0x40000) 15:28:26 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) socketpair(0x21, 0x800, 0x2, &(0x7f00000002c0)) r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r1, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) socketpair(0xfd9d61d0b7fc665c, 0x1, 0x1, &(0x7f0000000400)) [ 1192.449698] nbd: must specify a size in bytes for the device 15:28:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NLBL_UNLABEL_C_LIST(r1, &(0x7f0000000100)={&(0x7f0000000040), 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, 0x0, 0x100, 0x70bd2a, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x20000004}, 0x44804) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x8c1) 15:28:26 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair(0x21, 0x800, 0x2, &(0x7f00000002c0)) 15:28:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r0) sendmsg$NLBL_UNLABEL_C_LIST(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0xac, r3, 0xbe78047164fab4e9, 0x70bd28, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010102}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010100}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:file_context_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @broadcast}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'tunl0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'syzkaller1\x00'}]}, 0xac}, 0x1, 0x0, 0x0, 0x8001}, 0x8000) 15:28:26 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) socketpair(0x21, 0x800, 0x2, &(0x7f00000002c0)) r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r1, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) 15:28:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x14, 0x0, 0x200, 0x70bd26, 0x25dfdbfd, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x8000) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="98000080f4e9fed3547644cb03ca65aa43d4c8e728513d41e72e000000000000000000000000008d73db0d2b666f85c9e83e7ccbde31dc9332b2ff1f25aa898ed02192152a08df796e90f9b5032eb7e60e", @ANYRES16=0x0, @ANYRESOCT=r0], 0x98}, 0x1, 0x0, 0x0, 0x40}, 0x80) 15:28:26 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) socketpair(0x21, 0x800, 0x2, &(0x7f00000002c0)) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) 15:28:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x98, 0x0, 0x1, 0x0, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wlan0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:utempter_exec_t:s0\x00'}]}, 0x98}, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r3) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nfc(&(0x7f0000000000), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r3, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r8, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r9) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r9, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r10, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x3c, r10, 0x4, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x1, 0x0}}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip6erspan0\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x10}, 0x200081c1) sendmsg$NLBL_UNLABEL_C_STATICADD(r6, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f0000000300)={0x60, r8, 0x200, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'vcan0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x4}, 0x8000) sendmsg$NFC_CMD_GET_TARGET(r3, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r5, 0x10, 0x70bd28, 0x25dfdbfd, {}, [""]}, 0x14}, 0x1, 0x0, 0x0, 0x8801}, 0xc801) 15:28:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="98000000f4e9feed545a44cb03ca59e38ba23cd917e7f3cae843d5995e277a39b541c1c141e72e", @ANYRES16=0x0, @ANYBLOB="00042bbd7000fedbdfa50700000005000100010000001400060069705f767469300000000000000000001400030000000000000000000000ffffac1e00012200070073797374656d5f753a6f626a6563745f723a6465766c6f675f743a733000000014000200fc01000000000000000000000000000005000100010000001400020000000000000000000000000000000001"], 0x98}, 0x1, 0x0, 0x0, 0x8080}, 0x80) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r2) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r2, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000700000008000400ac1e000108000500000000001400020000000000000000b5323a180000000000"], 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(r1, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r3, 0x100, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}]}, 0xfffffc63}, 0x1, 0x0, 0x0, 0x8000}, 0x40050) 15:28:26 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair(0x21, 0x800, 0x2, &(0x7f00000002c0)) 15:28:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000929d5d82026010000"], 0x24}}, 0x0) 15:28:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x98, 0x0, 0x1, 0x0, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wlan0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:utempter_exec_t:s0\x00'}]}, 0x98}, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:26 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) socketpair(0x21, 0x800, 0x2, &(0x7f00000002c0)) 15:28:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="98000000f4e9feed545a44cb03ca59e38ba23cd917e7f3cae843d5995e277a39b541c1c141e72e", @ANYRES16=0x0, @ANYBLOB="00042bbd7000fedbdfa50700000005000100010000001400060069705f767469300000000000000000001400030000000000000000000000ffffac1e00012200070073797374656d5f753a6f626a6563745f723a6465766c6f675f743a733000000014000200fc01000000000000000000000000000005000100010000001400020000000000000000000000000000000001"], 0x98}, 0x1, 0x0, 0x0, 0x8080}, 0x80) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r2) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r2, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000000700000008000400ac1e000108000500000000001400020000000000000000b5323a180000000000"], 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(r1, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r3, 0x100, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}]}, 0xfffffc63}, 0x1, 0x0, 0x0, 0x8000}, 0x40050) 15:28:26 executing program 5: socketpair(0x21, 0x800, 0x2, &(0x7f00000002c0)) 15:28:26 executing program 2: ioctl$SNAPSHOT_ATOMIC_RESTORE(0xffffffffffffffff, 0x3304) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000840)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000500)={&(0x7f00000007c0)={0x4c, r6, 0x300, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fffffff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8010}, 0xc010) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000680)=ANY=[@ANYBLOB="180000006367f396c54b57eb1cd401bfe917c150e35c7eb12ad3a3a7aa1b940f8f092ef26f6c2d171bbd587678505ba68e88dd52625f0cb409742858edc7254d11e3dcca73df69a7078c074810fc7c02c772d25001274ceca302845826724fd83b1915b4f2d9c5575a316d94db206c19ec0908aa555133d7922512430174db1abcfb0d6d557b6d2bd05ce664a5f67fdfd0e7133c5124ac5df20e3644d88a7067130f25e575b8491db9d550d44432bb01b91af9feb98daf0c5a92cbc8750703a04dbd07c44f62aa3f850aebb1a75f8175d6cdff4fc6ab7d663cf4958c03e8004cc69e2443f9a5b677d666073d29e74bb784", @ANYRES16=r2, @ANYBLOB="010000000000000000000100000004000780"], 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r7, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000009d3173e6f5f05b33a9edb9aae9fc7b2726cbe422697b7fff73719a5e26a33cc44b899a02b5bbbe22c80e35e274b13f9cbd5c7c199be588fbed82d99e5fe1e6827e7846be1caec660e7d807a239f00ffefcb2e0ef48cf7f2e1c8d5dbfde49e818c665a475878ae85ac0ab88ea286a42ba8702961004ebb7b1a667f1e256bdf80bbde24ca9b7d22d45672df381c345f76dcdf988e7cfad88a9bc9488a757b1a5ba8388f184ad6eb616b4f34dd4"], 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r7, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x64, 0x0, 0x300, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x64}}, 0x44800) r8 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r9) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r9, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r10, 0x200, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0xffffffffffffff7a}, 0x1, 0x0, 0x0, 0x8000}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(r0, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000200)={&(0x7f0000000300)={0x90, r10, 0x200, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_SECCTX={0x2c, 0x7, 'system_u:object_r:hald_keymap_exec_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:bsdpty_device_t:s0\x00'}]}, 0x90}, 0x1, 0x0, 0x0, 0x4008040}, 0x0) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r11, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r8, 0x2, 0x70bd25, 0x25dfdbfc, {}, ["", "", "", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x44011}, 0x20040001) 15:28:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xfeb4, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="98000000f4e9feed545a44cb03ca59e38ba23cd917e7f3cae843d5995e277a39b541c1c141e72e", @ANYRES16=0x0, @ANYBLOB="00042bbd7000fedbdf250700000005000100010000001400060069705f76746930000000000000000000140035de23d10000000000000000ffffac1e00012200070073797374656d5f753a6f626a6563745f723a6465766c6f675f743a733000000014000200fc01000000000000000000000000000005000100010000001400020000000000000000000000000000000001"], 0x98}, 0x1, 0x0, 0x0, 0x40}, 0x80) 15:28:26 executing program 5: socketpair(0x0, 0x800, 0x2, &(0x7f00000002c0)) 15:28:26 executing program 4: add_key$keyring(&(0x7f0000000140), &(0x7f0000000180)={'syz', 0x3}, 0x0, 0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB="04e6954e", @ANYRES16, @ANYBLOB="010000000000000000000130deba6a4abba9070000"], 0x24}}, 0x0) 15:28:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x98, 0x0, 0x1, 0x0, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wlan0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:utempter_exec_t:s0\x00'}]}, 0x98}, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:26 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair(0x21, 0x800, 0x2, &(0x7f00000002c0)) 15:28:26 executing program 5: socketpair(0x0, 0x800, 0x2, &(0x7f00000002c0)) 15:28:26 executing program 4: bind$bt_hci(0xffffffffffffffff, &(0x7f0000000180)={0x1f, 0x2, 0x1}, 0x6) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, 0x0, 0x200, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'dvmrp0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x19}}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4008844}, 0x40845) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) 15:28:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xfeb4, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="98000000f4e9feed545a44cb03ca59e38ba23cd917e7f3cae843d5995e277a39b541c1c141e72e", @ANYRES16=0x0, @ANYBLOB="00042bbd7000fedbdf250700000005000100010000001400060069705f76746930000000000000000000140035de23d10000000000000000ffffac1e00012200070073797374656d5f753a6f626a6563745f723a6465766c6f675f743a733000000014000200fc01000000000000000000000000000005000100010000001400020000000000000000000000000000000001"], 0x98}, 0x1, 0x0, 0x0, 0x40}, 0x80) 15:28:26 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair(0x21, 0x800, 0x2, &(0x7f00000002c0)) 15:28:26 executing program 5: socketpair(0x0, 0x800, 0x2, &(0x7f00000002c0)) 15:28:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x98, r2, 0x0, 0x0, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wlan0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:utempter_exec_t:s0\x00'}]}, 0x98}, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000f4ff00000000040007800c0002000000000000000000"], 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, r2, 0x100, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xc3a8}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000d1}, 0x4000) 15:28:26 executing program 0: socketpair(0x21, 0x800, 0x2, &(0x7f00000002c0)) 15:28:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r4) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r4, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r7, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r8, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r6, &(0x7f0000000440)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f0000000680)={0xa8, r8, 0x400, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_SECCTX={0x2c, 0x7, 'system_u:object_r:udev_helper_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_SECCTX={0x1f, 0x7, 'system_u:object_r:etc_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x29}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}]}, 0xa8}, 0x1, 0x0, 0x0, 0x20040004}, 0x8000) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000500), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000200)={&(0x7f00000000c0)={0x134, r5, 0x4, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x2e, 0x7, 'system_u:object_r:semanage_read_lock_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:ldconfig_exec_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:default_context_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:autofs_device_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'u:object_r:app_data_file:s0:c512,c768\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @remote}]}, 0x134}, 0x1, 0x0, 0x0, 0x8000}, 0x800) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000040400001414b40000000000008e4cf8b8032e2788613b31"], 0x28}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f00000004c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000480)={&(0x7f0000000540)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r5, @ANYBLOB="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"], 0x8c}, 0x1, 0x0, 0x0, 0x8044}, 0x4000) 15:28:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) socketpair(0x28, 0x6, 0x1f, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000100), r5) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000040)={0x2c, r1, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}]}]}, 0x2c}}, 0x804) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) syz_genetlink_get_family_id$nfc(&(0x7f0000000380), r6) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r7, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r8, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x408148}, 0xc, &(0x7f0000000300)={&(0x7f00000001c0)={0x98, r8, 0x4, 0x70bd27, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:dbusd_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bridge0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip6tnl0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}]}, 0x98}, 0x1, 0x0, 0x0, 0x40084}, 0xe1) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r9, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r10 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r10, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) r11 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000400), 0x4000, 0x0) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000480)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000440)={&(0x7f00000005c0)={0xac, r1, 0x300, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x109}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffff2}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r10}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r11}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xf262}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xac}, 0x1, 0x0, 0x0, 0xc010}, 0x10) 15:28:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x98, r2, 0x0, 0x0, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wlan0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:utempter_exec_t:s0\x00'}]}, 0x98}, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:26 executing program 5: socketpair(0x21, 0x0, 0x2, &(0x7f00000002c0)) 15:28:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r2) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r2, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r3, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r6) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r6, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r7, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r5, &(0x7f0000000540)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000500)={&(0x7f00000004c0)={0x28, r7, 0x8, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x1a}}]}, 0x28}, 0x1, 0x0, 0x0, 0x10}, 0x24854) r8 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r4, &(0x7f0000000440)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000400)={&(0x7f0000000140)={0x1c, r8, 0x200, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004000}, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r9, &(0x7f00000006c0)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000680)={&(0x7f0000000600)={0x44, r8, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1}]}, 0x44}, 0x1, 0x0, 0x0, 0x800088a}, 0x40) sendmsg$NLBL_UNLABEL_C_STATICLIST(r1, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000380)=ANY=[@ANYBLOB='`\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="00022bbd7000fbdbdf2505000000149a0600626f6e645f736c6176655f300000000014000300fc0000000000000000000000000000000800040af29bb2d850a5bd5090b3b893e1fb00e000000214000200fc010000000000000000000000000001080005007f000001"], 0x60}, 0x1, 0x0, 0x0, 0x80}, 0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r10, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB="a4000000", @ANYRES16=r11, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0) 15:28:26 executing program 0: socketpair(0x0, 0x800, 0x2, &(0x7f00000002c0)) 15:28:26 executing program 5: socketpair(0x21, 0x0, 0x0, &(0x7f00000002c0)) 15:28:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYRESOCT=r0, @ANYRES16=0x0, @ANYBLOB="00042bbd7000fedbdf250700000005000100010000001400060069705f767469300000000000000000001400030000000000000000000000ffffac1e00012200070073797374656d5f753a6f626a6563745f723a6465766c6f675f743a733000000014000200fc01000000000000000000000000000005000100010000001400020000000000000000000000000000000001"], 0x98}, 0x1, 0x0, 0x0, 0x40}, 0x80) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=0x0, @ANYBLOB="000226bd7000fedb000000000000000a005d0000003b325c44fafa5bab9b346a4a9ebec63e4c02300902c55f443954243530ca369b78d6d3b3418363b43b69b25645e6fa892e0b001d072df9031c132b9c19f59b99a6170ade20eccc7e10d4234a3a9b985cbf8469e2cf3e0e7e29629392d2942601e270f6a8159b52e260fe4500d633dd0d355d5c5df071f820169cf8d3dd8a3796b281d1652d1bc7a371c1b416126c254e12f87a6fc60801f4901a1cbf1841d09f"], 0x1c}, 0x1, 0x0, 0x0, 0x4008000}, 0x810) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) 15:28:26 executing program 5: socketpair(0x21, 0x0, 0x0, &(0x7f00000002c0)) 15:28:26 executing program 1: socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) connect$tipc(r0, &(0x7f0000000040)=@nameseq={0x1e, 0x1, 0x3, {0x40}}, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x98, r2, 0x0, 0x0, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wlan0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:utempter_exec_t:s0\x00'}]}, 0x98}, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$vsock_dgram(0xffffffffffffffff, &(0x7f0000000000)={0x28, 0x0, 0x2711, @host}, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:26 executing program 5: socketpair(0x21, 0x0, 0x0, &(0x7f00000002c0)) 15:28:26 executing program 0: socketpair(0x0, 0x800, 0x2, &(0x7f00000002c0)) 15:28:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$ptp0(0xffffffffffffff9c, &(0x7f0000000bc0), 0x0, 0x0) ioctl$PTP_PIN_GETFUNC2(r3, 0xc0603d0f, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)=ANY=[@ANYRESDEC=r3, @ANYRES16=r1, @ANYBLOB="010000000000000000000400000014000600767863616e8e4cf8a5032e2788613b31"], 0x28}, 0x1, 0x0, 0x0, 0x24000040}, 0x0) r4 = openat$ptp0(0xffffffffffffff9c, &(0x7f0000000bc0), 0x0, 0x0) ioctl$PTP_PIN_GETFUNC2(r4, 0xc0603d0f, 0x0) ioctl$PTP_PIN_GETFUNC2(r4, 0xc0603d0f, &(0x7f0000000080)={'\x00', 0x0, 0x1, 0xffff}) 15:28:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000040), 0x507440, 0x0) r5 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r5, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) r6 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r6, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) r7 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r7, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) r8 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r8, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)={0xc8, r2, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '/.}\''}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xbec}]}, 0xc8}, 0x1, 0x0, 0x0, 0x40810}, 0x48000) 15:28:26 executing program 0: socketpair(0x0, 0x800, 0x2, &(0x7f00000002c0)) 15:28:26 executing program 4: io_setup(0x8, &(0x7f0000000340)=0x0) io_submit(r0, 0x0, 0x0) clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) io_getevents(r0, 0xf2, 0x6, &(0x7f0000000000)=[{}, {}, {}, {}, {}, {}], &(0x7f0000000100)={r1, r2+10000000}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x98, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wlan0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:utempter_exec_t:s0\x00'}]}, 0x98}, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:26 executing program 5: socketpair(0x21, 0x0, 0x2, 0x0) 15:28:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x98, r2, 0x0, 0x0, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wlan0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:utempter_exec_t:s0\x00'}]}, 0x98}, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) sendmsg$NFC_CMD_GET_TARGET(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)={0x14, 0x0, 0x20, 0x70bd2a, 0x25dfdbfc, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0xc044}, 0x8000) r3 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000a40), 0x0, 0x0) ioctl$SNAPSHOT_UNFREEZE(r3, 0x3302) read$snapshot(r3, &(0x7f00000001c0)=""/144, 0x90) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="0100000000000000fff50100000004000780630002000000000000000000a2b5b936314892e226926fff22b2e1dbe58c101498b86ce8"], 0x24}}, 0x0) 15:28:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x54, 0x0, 0x100, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0x26}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @broadcast}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'hsr0\x00'}]}, 0x54}, 0x1, 0x0, 0x0, 0x50}, 0x20000801) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x6c, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wlan0\x00'}]}, 0x6c}, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r5, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x24000004}, 0x20000010) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB="2400001b", @ANYRES16=r6, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0) 15:28:26 executing program 0: socketpair(0x21, 0x0, 0x2, &(0x7f00000002c0)) [ 1193.032352] nbd: must specify a size in bytes for the device 15:28:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x58}, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r5, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x24000004}, 0x20000010) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB="2400001b", @ANYRES16=r6, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0) 15:28:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xfeb4, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="98000000f4e9feed545a44cb03ca59e38ba23cd917e7f3cae843d5995e277a39b541c1c141e72e", @ANYRES16=0x0, @ANYBLOB="00042bbd7000fedbdf250700000005000100010000001400060069705f767469300000000000000000001400030000000000000000000000ffffac1e00012200070073797374656d5f753a6f626a6563745f723a6465766c6f675f743a733000000014000200fc01000000000000000000000000000005000100010000001400020000000000000000000000000000000001"], 0x98}, 0x1, 0x0, 0x0, 0x40}, 0x80) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r1, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f00000001c0)={&(0x7f0000000080), 0xc, &(0x7f00000000c0)={&(0x7f0000000140)={0x50, r2, 0x100, 0x70bd26, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:dpkg_var_lib_t:s0\x00'}]}, 0x50}, 0x1, 0x0, 0x0, 0x20008001}, 0x40000) 15:28:26 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), 0xffffffffffffffff) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000400000014000600767863616e8e4cf8a5032e2788613b31"], 0x28}}, 0x0) 15:28:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xfeb4, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="98000000f4e9feed545a44cb03ca59e38ba23cd917e7f3cae843d5995e277a39b541c1c141e72e", @ANYRES16=0x0, @ANYBLOB="00042bbd7000fedbdf0700000005000100010000001400060069705f767469300000000000000000001400030000000000000000000000ffffac1e00012200070073797374656d5f753a6f626a6563745f723a6465766c6f675f743a733000000014000200fc01000000000000000000000000000005000100010000001400020000000000000000000000000000000001"], 0x98}, 0x1, 0x0, 0x0, 0x40}, 0x80) 15:28:26 executing program 0: socketpair(0x21, 0x0, 0x0, &(0x7f00000002c0)) [ 1193.113452] nbd: must specify a size in bytes for the device 15:28:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nfc(&(0x7f0000000080), r3) 15:28:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x28200c04}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x2c, r2, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x200}]}, 0x2c}, 0x1, 0x0, 0x0, 0x8042}, 0x4090) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000100), r5) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000140), 0xffffffffffffffff) userfaultfd(0x80000) sendmsg$NFC_CMD_GET_TARGET(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1004008}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, r6, 0x300, 0x70bd27, 0x25dfdbfb, {}, ["", "", "", ""]}, 0x14}}, 0x80) 15:28:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x413, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010100}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) syz_open_dev$loop(&(0x7f0000000100), 0x4, 0x0) 15:28:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r5) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r4, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r8, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:27 executing program 0: socketpair(0x21, 0x0, 0x0, &(0x7f00000002c0)) 15:28:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x58}, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r5) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r4, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r8, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nfc(&(0x7f0000000080), r3) 15:28:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000400000014000600767863616e8e4cf8a5032e2788613b31"], 0x28}}, 0x0) 15:28:27 executing program 0: socketpair(0x21, 0x0, 0x0, &(0x7f00000002c0)) 15:28:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x58}, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r5) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r4, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r8, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nfc(&(0x7f0000000080), r3) [ 1193.260945] nbd: must specify a size in bytes for the device 15:28:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r5) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r4, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r8, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:27 executing program 0: socketpair(0x21, 0x0, 0x2, 0x0) 15:28:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wlan0\x00'}]}, 0x58}, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r1) sendmsg$NFC_CMD_GET_SE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10008}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r2, 0x100, 0x70bd2d, 0x25dfdbfb, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20004804}, 0x1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000040007800c0002020000000000000000"], 0x24}}, 0x0) io_setup(0x8001, &(0x7f0000001700)) prctl$PR_SVE_SET_VL(0x32, 0x1b171) 15:28:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r5) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r4, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r8, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) [ 1193.312070] nbd: must specify a size in bytes for the device [ 1193.337984] nbd: must specify a size in bytes for the device 15:28:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) 15:28:27 executing program 0: ioctl$USBDEVFS_REAPURBNDELAY(0xffffffffffffffff, 0x4008550d, &(0x7f0000000080)) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xfeb4, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="98000000f4e9feed545a44cb03ca59e38ba23cd917e7f3cae843d5995e277a39b541c1c141e72e", @ANYRES16=0x0, @ANYBLOB="00042bbd7000fedbdf250700000005000100010000001400060069705f767469300000000000000000001400030000000000000000000000ffffac1e00012200070073797374656d5f753a6f626a6563745f723a6465766c6f675f743a733000000014000200fc01000000000000000000000000000005000100010000001400020000000000000000000000000000000001"], 0x98}, 0x1, 0x0, 0x0, 0x40}, 0x80) 15:28:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 15:28:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wlan0\x00'}]}, 0x50}, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r5) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r4, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r8, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wlan0\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x1}, 0x810) [ 1193.404715] nbd: must specify a size in bytes for the device [ 1193.426824] nbd: must specify a size in bytes for the device 15:28:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r3) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r3, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r2, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x9d1d3578311be9bd}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x68, r4, 0x400, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:run_init_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x24}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bridge_slave_1\x00'}]}, 0x68}, 0x1, 0x0, 0x0, 0x4000004}, 0x8050) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r5, 0x801, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r1) sendmsg$NFC_CMD_GET_SE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2c, 0x25dfdbfc, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4048000}, 0x20040005) 15:28:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wlan0\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r5) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r4, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wlan0\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x1}, 0x810) [ 1193.492695] nbd: must specify a size in bytes for the device 15:28:27 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wlan0\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r5) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r4, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r6, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r3) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r3, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r2, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x9d1d3578311be9bd}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x68, r4, 0x400, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:run_init_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x24}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bridge_slave_1\x00'}]}, 0x68}, 0x1, 0x0, 0x0, 0x4000004}, 0x8050) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r5, 0x801, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r1) sendmsg$NFC_CMD_GET_SE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2c, 0x25dfdbfc, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4048000}, 0x20040005) 15:28:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r3) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r3, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r2, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x9d1d3578311be9bd}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x68, r4, 0x400, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:run_init_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x24}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bridge_slave_1\x00'}]}, 0x68}, 0x1, 0x0, 0x0, 0x4000004}, 0x8050) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r5, 0x801, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r1) sendmsg$NFC_CMD_GET_SE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2c, 0x25dfdbfc, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4048000}, 0x20040005) [ 1193.544529] nbd: must specify a size in bytes for the device 15:28:27 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wlan0\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r5) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r4, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r5) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r4, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r5) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r4, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000000c0), r2) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8942802c}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x28, r3, 0x200, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_macvtap\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x48080}, 0x20004000) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000400000014000600767863616e8e4cf8a5032e2788613b31"], 0x28}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) r6 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r6, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff}) r8 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000340), 0x200200, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000480)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000380)={0x88, r4, 0x10, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x38}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffff8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x800}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}]}, 0x88}, 0x1, 0x0, 0x0, 0x40040c4}, 0x44046) [ 1193.604139] nbd: must specify a size in bytes for the device 15:28:27 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wlan0\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01000000000000000000050000000c00f5db5234dad4fcc4000008000a006e626400"], 0x28}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socketpair(0x36, 0x6, 0x800, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r9 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r9, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) socketpair(0xa, 0x0, 0xc1a, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) r13 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r14 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r15 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r16 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r14) sendmsg$NBD_CMD_STATUS(r15, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r16, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000540)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000500)={&(0x7f00000004c0)={0x1c, r16, 0x400, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x44004}, 0x20801) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r13, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000003c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000001}, 0xc, &(0x7f0000000240)={&(0x7f0000000300)={0x8c, r5, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}]}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r11}, {0x8}, {0x8, 0x1, r12}, {0x8, 0x1, r13}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x8c}, 0x1, 0x0, 0x0, 0x24000000}, 0x40000) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000400)={0x44, r2, 0x200, 0x70bd26, 0xffffffff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}]}]}, 0x44}, 0x1, 0x0, 0x0, 0x48000}, 0x4000) 15:28:27 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r4) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r3, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r3) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r3, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, r4, 0x1, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'netdevsim0\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000000}, 0x4000800) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r1) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r7, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r8, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r6, &(0x7f00000005c0)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000580)={&(0x7f0000000480)={0xc4, r8, 0x800, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wg2\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'syzkaller0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @broadcast}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @rand_addr=0x64010101}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'netdevsim0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_SECCTX={0x1f, 0x7, 'system_u:object_r:lib_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @remote}]}, 0xc4}, 0x1, 0x0, 0x0, 0x4004}, 0x800) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000400)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x20, r5, 0x8, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x20}, 0x1, 0x0, 0x0, 0x4044}, 0x20004000) 15:28:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r5) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r4, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) [ 1193.686575] nbd: must specify a size in bytes for the device [ 1193.712228] nbd: must specify a size in bytes for the device 15:28:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r7 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r7, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) r8 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r8, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) r9 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000040), 0x8100, 0x0) r10 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r10, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) r11 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r11, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r6, 0x400, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r11}, {0x8}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x4000010}, 0x20044080) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB='%\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0) 15:28:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wlan0\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:27 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r4) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r3, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r5) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r4, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wlan0\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x1}, 0x810) 15:28:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0x2000, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x84, 0x0, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x92}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}]}, 0x84}, 0x1, 0x0, 0x0, 0x4044000}, 0xc000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wlan0\x00'}]}, 0x50}}, 0x810) 15:28:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x2, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:27 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r4) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r3, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wlan0\x00'}]}, 0x50}}, 0x0) 15:28:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:27 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r4) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r3, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r5, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0x2000, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x84, 0x0, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x92}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}]}, 0x84}, 0x1, 0x0, 0x0, 0x4044000}, 0xc000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:27 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r4) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r3, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r5, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r5) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r4, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r5) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r4, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0x2000, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x84, 0x0, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x92}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}]}, 0x84}, 0x1, 0x0, 0x0, 0x4044000}, 0xc000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x14, 0x0, 0x90c, 0x70bd26, 0x25dfdbff, {}, ["", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20000910}, 0x52) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f0000000040)={&(0x7f0000000780)=ANY=[@ANYBLOB="98000000f4e9feed545a44cb03ca59e38ba23cd917e7f3cae843d5995e277a39b541c1c141e72e", @ANYRES16=0x0, @ANYBLOB="00042bbd7000fedbdf250700000005000100010000001400060069705f767469300000000000000000001400030000000000000000000000ffffac1e00012200070073797374656d5f753a6f626a6563745f723a6465766c6f675f743a733000000014000200fc01000000000000000000000000000005000100010000001400020000000000000000000000000000000001", @ANYRESHEX=0x0, @ANYRESOCT, @ANYRES32=r0, @ANYRESDEC=r0], 0x98}, 0x1, 0x0, 0x0, 0x40}, 0x80) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000140), 0x40000, 0x0) socketpair(0x25, 0x3, 0xff, &(0x7f0000000240)) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r2, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) r3 = syz_genetlink_get_family_id$team(&(0x7f0000000740), r2) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f0000000280)={0x0, @multicast1, @dev}, &(0x7f00000002c0)=0xc) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000300)={'team0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_SET(r1, &(0x7f0000000700)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000006c0)={&(0x7f0000000400)={0x284, r3, 0x200, 0x70bd26, 0x25dfdbfd, {}, [{{0x8}, {0x21c, 0x2, 0x0, 0x1, [{0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x1f}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x5}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}, {0x40, 0x1, @queue_id={{{0x24}, {0x5}, {0x8, 0x4, 0x7}}, {0x8, 0x6, r4}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}, {0x40, 0x1, @name={{0x24}, {0x5}, {0xe, 0x4, 'broadcast\x00'}}}]}}, {{0x8, 0x1, r5}, {0x44, 0x2, 0x0, 0x1, [{0x40, 0x1, @name={{0x24}, {0x5}, {0xf, 0x4, 'roundrobin\x00'}}}]}}]}, 0x284}, 0x1, 0x0, 0x0, 0x10c0}, 0x200080f0) 15:28:27 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r4) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r5, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:27 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0x2000, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x84, 0x0, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x92}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}]}, 0x84}, 0x1, 0x0, 0x0, 0x4044000}, 0xc000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r3) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r3, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x30, r4, 0x200, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}]}, 0x30}}, 0x4) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000400)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x30, r5, 0x1, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'virt_wifi0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0x3a}}]}, 0x30}, 0x1, 0x0, 0x0, 0x80}, 0x80) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x70bd2c, 0x25dfdbfb, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000095}, 0x4094) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000680), r4) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r4, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(r3, &(0x7f0000000600)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000005c0)={&(0x7f0000000540)={0x64, r5, 0x800, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @private=0xa010102}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x64}, 0x1, 0x0, 0x0, 0x844}, 0x44004) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLIST(r7, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000300)={0xc0, 0x0, 0x1, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x2c, 0x7, 'system_u:object_r:checkpolicy_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x1c}}, @NLBL_UNLABEL_A_SECCTX={0x32, 0x7, 'system_u:object_r:systemd_systemctl_exec_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:inetd_var_run_t:s0\x00'}]}, 0xc0}, 0x1, 0x0, 0x0, 0x44000}, 0x4000014) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r6, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r8, &(0x7f00000004c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8000}, 0xb, &(0x7f0000000480)={&(0x7f00000003c0)={0x88, 0x0, 0x100, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x17}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_virt_wifi\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wg1\x00'}]}, 0x88}, 0x1, 0x0, 0x0, 0x28040}, 0x1) 15:28:27 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0x2000, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x84, 0x0, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x92}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}]}, 0x84}, 0x1, 0x0, 0x0, 0x4044000}, 0xc000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r5) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r4, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r5) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r4, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:27 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r4, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:27 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0x2000, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x84, 0x0, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x92}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}]}, 0x84}, 0x1, 0x0, 0x0, 0x4044000}, 0xc000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x70bd2c, 0x25dfdbfb, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000095}, 0x4094) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000680), r4) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r4, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(r3, &(0x7f0000000600)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000005c0)={&(0x7f0000000540)={0x64, r5, 0x800, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @private=0xa010102}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x64}, 0x1, 0x0, 0x0, 0x844}, 0x44004) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLIST(r7, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000300)={0xc0, 0x0, 0x1, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x2c, 0x7, 'system_u:object_r:checkpolicy_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x1c}}, @NLBL_UNLABEL_A_SECCTX={0x32, 0x7, 'system_u:object_r:systemd_systemctl_exec_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:inetd_var_run_t:s0\x00'}]}, 0xc0}, 0x1, 0x0, 0x0, 0x44000}, 0x4000014) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r6, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r8, &(0x7f00000004c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8000}, 0xb, &(0x7f0000000480)={&(0x7f00000003c0)={0x88, 0x0, 0x100, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x17}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_virt_wifi\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wg1\x00'}]}, 0x88}, 0x1, 0x0, 0x0, 0x28040}, 0x1) [ 1194.162946] nbd: must specify at least one socket 15:28:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r5) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r4, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) openat$zero(0xffffffffffffff9c, &(0x7f0000000080), 0x2000, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x70bd2c, 0x25dfdbfb, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000095}, 0x4094) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000680), r4) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r4, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(r3, &(0x7f0000000600)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000005c0)={&(0x7f0000000540)={0x64, r5, 0x800, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @private=0xa010102}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x64}, 0x1, 0x0, 0x0, 0x844}, 0x44004) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLIST(r7, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000300)={0xc0, 0x0, 0x1, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x2c, 0x7, 'system_u:object_r:checkpolicy_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x1c}}, @NLBL_UNLABEL_A_SECCTX={0x32, 0x7, 'system_u:object_r:systemd_systemctl_exec_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:inetd_var_run_t:s0\x00'}]}, 0xc0}, 0x1, 0x0, 0x0, 0x44000}, 0x4000014) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r6, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r8, &(0x7f00000004c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8000}, 0xb, &(0x7f0000000480)={&(0x7f00000003c0)={0x88, 0x0, 0x100, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x17}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_virt_wifi\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wg1\x00'}]}, 0x88}, 0x1, 0x0, 0x0, 0x28040}, 0x1) [ 1194.209720] nbd: must specify at least one socket 15:28:28 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r4, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:28 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r4, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r5) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:28 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r5) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r4, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x70bd2c, 0x25dfdbfb, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000095}, 0x4094) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000680), r4) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r4, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(r3, &(0x7f0000000600)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000005c0)={&(0x7f0000000540)={0x64, r5, 0x800, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @private=0xa010102}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x64}, 0x1, 0x0, 0x0, 0x844}, 0x44004) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLIST(r7, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000300)={0xc0, 0x0, 0x1, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x2c, 0x7, 'system_u:object_r:checkpolicy_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x1c}}, @NLBL_UNLABEL_A_SECCTX={0x32, 0x7, 'system_u:object_r:systemd_systemctl_exec_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:inetd_var_run_t:s0\x00'}]}, 0xc0}, 0x1, 0x0, 0x0, 0x44000}, 0x4000014) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r6, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 1194.279924] nbd: must specify at least one socket 15:28:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:28 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) [ 1194.330303] nla_parse: 16 callbacks suppressed [ 1194.330309] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1194.361507] nbd: must specify a size in bytes for the device 15:28:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:28 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r5) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:28 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) [ 1194.389122] nbd: must specify at least one socket 15:28:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x70bd2c, 0x25dfdbfb, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000095}, 0x4094) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000680), r4) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r4, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(r3, &(0x7f0000000600)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000005c0)={&(0x7f0000000540)={0x64, r5, 0x800, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @private=0xa010102}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x64}, 0x1, 0x0, 0x0, 0x844}, 0x44004) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLIST(r7, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000300)={0xc0, 0x0, 0x1, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x2c, 0x7, 'system_u:object_r:checkpolicy_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x1c}}, @NLBL_UNLABEL_A_SECCTX={0x32, 0x7, 'system_u:object_r:systemd_systemctl_exec_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:inetd_var_run_t:s0\x00'}]}, 0xc0}, 0x1, 0x0, 0x0, 0x44000}, 0x4000014) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r6, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:28 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:28 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) [ 1194.428457] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1194.454516] nbd: must specify a size in bytes for the device 15:28:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:28 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) [ 1194.489505] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1194.504308] nbd: must specify a size in bytes for the device 15:28:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x70bd2c, 0x25dfdbfb, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000095}, 0x4094) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000680), r4) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r4, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(r3, &(0x7f0000000600)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000005c0)={&(0x7f0000000540)={0x64, r5, 0x800, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @private=0xa010102}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x64}, 0x1, 0x0, 0x0, 0x844}, 0x44004) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r6, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) [ 1194.530751] nbd: must specify at least one socket 15:28:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:28 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) [ 1194.578841] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1194.609665] nbd: must specify a size in bytes for the device 15:28:28 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x70bd2c, 0x25dfdbfb, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000095}, 0x4094) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000680), r4) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r4, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(r3, &(0x7f0000000600)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000005c0)={&(0x7f0000000540)={0x64, r5, 0x800, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @private=0xa010102}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x64}, 0x1, 0x0, 0x0, 0x844}, 0x44004) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r6, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) [ 1194.639644] nbd: must specify at least one socket [ 1194.654379] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1194.669244] nbd: must specify a size in bytes for the device 15:28:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) [ 1194.689265] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1194.703873] nbd: must specify a size in bytes for the device 15:28:28 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:28 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x70bd2c, 0x25dfdbfb, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000095}, 0x4094) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000680), r3) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r3, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(r2, &(0x7f0000000600)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000005c0)={&(0x7f0000000540)={0x64, r4, 0x800, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @private=0xa010102}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x64}, 0x1, 0x0, 0x0, 0x844}, 0x44004) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, 0x0, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) [ 1194.752508] nbd: must specify at least one socket 15:28:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:28 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:28 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) [ 1194.783040] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1194.805864] nbd: must specify a size in bytes for the device 15:28:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:28 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x70bd2c, 0x25dfdbfb, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000095}, 0x4094) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000680), r3) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r3, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(r2, &(0x7f0000000600)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000005c0)={&(0x7f0000000540)={0x64, r4, 0x800, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @private=0xa010102}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x64}, 0x1, 0x0, 0x0, 0x844}, 0x44004) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, 0x0, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, 0x0, 0x4112) 15:28:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:28 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x70bd2c, 0x25dfdbfb, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000095}, 0x4094) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000680), r3) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r3, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(r2, &(0x7f0000000600)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000005c0)={&(0x7f0000000540)={0x64, r4, 0x800, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @private=0xa010102}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x64}, 0x1, 0x0, 0x0, 0x844}, 0x44004) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, 0x0, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, 0x0, 0x4112) 15:28:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:28 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) [ 1194.905108] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1194.925224] nbd: must specify a size in bytes for the device 15:28:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x70bd2c, 0x25dfdbfb, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000095}, 0x4094) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000680), r3) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r3, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r5, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:28 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, 0x0, 0x4112) 15:28:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:28 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x70bd2c, 0x25dfdbfb, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000095}, 0x4094) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000680), r3) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) [ 1195.027451] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1195.049594] nbd: must specify a size in bytes for the device [ 1195.066825] nbd: must specify at least one socket 15:28:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000005c0)={0x80, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x80}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) [ 1195.115939] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1195.149740] nbd: must specify a size in bytes for the device 15:28:28 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x70bd2c, 0x25dfdbfb, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000095}, 0x4094) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r3, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000005c0)={0x80, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x80}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) [ 1195.168046] nbd: must specify at least one socket 15:28:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:29 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000005c0)={0x80, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x80}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x70bd2c, 0x25dfdbfb, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000095}, 0x4094) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r3, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) [ 1195.246213] nbd: must specify at least one socket [ 1195.263355] nbd: must specify a size in bytes for the device 15:28:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) [ 1195.315031] nbd: must specify at least one socket 15:28:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x70bd2c, 0x25dfdbfb, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000095}, 0x4094) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r3, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) [ 1195.379495] nbd: must specify at least one socket 15:28:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040), 0xc, 0x0, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r2, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040), 0xc, 0x0, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) [ 1195.484541] nbd: must specify at least one socket 15:28:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040), 0xc, 0x0, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r2, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f0000000500)={0x0}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) [ 1195.576504] nbd: must specify at least one socket 15:28:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f0000000500)={0x0}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:29 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) 15:28:29 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f0000000500)={0x0}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:29 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) 15:28:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x0, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) 15:28:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x0, 0x0, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:29 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0) 15:28:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:29 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0) 15:28:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:29 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0) 15:28:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r2, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x6c, 0x0, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}]}, 0x6c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r2, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x6c, 0x0, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}]}, 0x6c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r2, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x6c, 0x0, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}]}, 0x6c}, 0x1, 0x0, 0x0, 0x801}, 0x4112) [ 1195.994037] nbd: must specify a size in bytes for the device 15:28:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x50, 0x0, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x50}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:29 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) [ 1196.070936] nbd: must specify a size in bytes for the device 15:28:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x50, 0x0, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x50}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:29 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) 15:28:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) [ 1196.148368] nbd: must specify a size in bytes for the device 15:28:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x50, 0x0, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x50}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) 15:28:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) [ 1196.211902] nbd: must specify at least one socket 15:28:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x24}}, 0x0) 15:28:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x58, 0x0, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x58}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) 15:28:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) 15:28:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x24}}, 0x0) 15:28:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x58, 0x0, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x58}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x24}}, 0x0) 15:28:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) [ 1196.296731] nbd: must specify a size in bytes for the device [ 1196.312387] nbd: must specify at least one socket 15:28:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) 15:28:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x24}}, 0x0) 15:28:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x58, 0x0, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x58}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x30}}, 0x0) 15:28:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x800) 15:28:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x24}}, 0x0) 15:28:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) [ 1196.384947] nbd: must specify at least one socket [ 1196.393516] nbd: must specify a size in bytes for the device 15:28:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}}, 0x4112) 15:28:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x24}}, 0x0) 15:28:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x24}}, 0x0) 15:28:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0) 15:28:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x800) 15:28:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 15:28:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2], 0x24}}, 0x0) [ 1196.463498] nbd: must specify a size in bytes for the device 15:28:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x24}}, 0x0) 15:28:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0) 15:28:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 15:28:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x58, 0x0, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x58}, 0x1, 0x0, 0x0, 0x801}, 0x4112) 15:28:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f0000000500)={&(0x7f00000005c0)={0x38, 0x0, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:udev_rules_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_disk_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}]}, 0x7c}}, 0x0) 15:28:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2], 0x24}}, 0x0) 15:28:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 15:28:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x800) 15:28:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0) 15:28:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2], 0x24}}, 0x0) 15:28:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0) 15:28:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB], 0x24}}, 0x0) 15:28:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2], 0x24}}, 0x0) 15:28:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB], 0x24}}, 0x0) 15:28:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) [ 1196.723415] nbd: must specify a size in bytes for the device 15:28:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r2, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB], 0x24}}, 0x0) 15:28:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c"], 0x24}}, 0x0) 15:28:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:30 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, 0x0, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01"], 0x24}}, 0x0) [ 1196.986571] nbd: must specify a size in bytes for the device 15:28:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x24}}, 0x0) 15:28:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x2c}}, 0x0) 15:28:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01"], 0x24}}, 0x0) 15:28:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, 0x0, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:30 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:30 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x2c}}, 0x0) 15:28:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) [ 1197.115012] nbd: must specify at least one socket [ 1197.132813] nbd: must specify a size in bytes for the device 15:28:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x24}}, 0x0) 15:28:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01"], 0x24}}, 0x0) 15:28:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, 0x0, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x2c}}, 0x0) [ 1197.209929] nbd: must specify at least one socket 15:28:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r2, 0x0, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:31 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x24}}, 0x0) [ 1197.231457] nbd: must specify a size in bytes for the device 15:28:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004000780"], 0x24}}, 0x0) 15:28:31 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) [ 1197.279712] nbd: must specify at least one socket 15:28:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01"], 0x24}}, 0x0) 15:28:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r2, 0x0, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 15:28:31 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r2, 0x0, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004000780"], 0x24}}, 0x0) 15:28:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r2, 0x0, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) [ 1197.310074] nbd: must specify a size in bytes for the device [ 1197.344764] nbd: must specify a size in bytes for the device 15:28:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 15:28:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x24}}, 0x0) 15:28:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r2, 0x1, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 15:28:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004000780"], 0x24}}, 0x0) 15:28:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) [ 1197.433318] nbd: must specify a size in bytes for the device [ 1197.471701] nbd: must specify a size in bytes for the device [ 1197.483785] nbd: must specify at least one socket 15:28:31 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004000780070000000000000000"], 0x24}}, 0x0) 15:28:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}]}, 0x20}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) [ 1197.504788] nbd: must specify a size in bytes for the device [ 1197.534833] nbd: must specify at least one socket 15:28:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) 15:28:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}]}, 0x20}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) [ 1197.597090] nbd: must specify a size in bytes for the device [ 1197.608620] nbd: must specify at least one socket 15:28:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a0001"], 0x24}}, 0x0) 15:28:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}]}, 0x20}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) [ 1197.657843] nbd: must specify a size in bytes for the device [ 1197.681454] nbd: must specify at least one socket 15:28:31 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a0001"], 0x24}}, 0x0) [ 1197.724277] nbd: must specify at least one socket 15:28:31 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) 15:28:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) [ 1197.765086] nbd: must specify at least one socket [ 1197.777224] nbd: must specify a size in bytes for the device 15:28:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a0001"], 0x24}}, 0x0) [ 1197.810069] nbd: must specify at least one socket 15:28:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:31 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x800) 15:28:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) [ 1197.852920] nbd: must specify at least one socket 15:28:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) 15:28:31 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) [ 1197.884928] nbd: must specify at least one socket [ 1197.896733] nbd: must specify a size in bytes for the device [ 1197.923270] nbd: must specify at least one socket 15:28:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 15:28:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x2c}}, 0x0) 15:28:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a0001"], 0x24}}, 0x0) [ 1197.945813] nbd: must specify at least one socket 15:28:31 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) [ 1197.991457] nbd: must specify at least one socket [ 1198.009163] nbd: must specify a size in bytes for the device [ 1198.022633] nbd: must specify at least one socket 15:28:31 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) 15:28:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:31 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a0001"], 0x24}}, 0x0) 15:28:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x2c}}, 0x0) 15:28:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) [ 1198.038762] nbd: must specify at least one socket [ 1198.060460] nbd: must specify at least one socket 15:28:31 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) 15:28:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) [ 1198.097808] nbd: must specify at least one socket 15:28:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a0001"], 0x24}}, 0x0) 15:28:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) [ 1198.122489] nbd: must specify at least one socket 15:28:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x2c}}, 0x0) 15:28:31 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) 15:28:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00010000"], 0x24}}, 0x0) 15:28:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) [ 1198.147128] nbd: must specify at least one socket [ 1198.167269] nbd: must specify at least one socket 15:28:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) [ 1198.208572] nbd: must specify at least one socket 15:28:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) [ 1198.236756] nbd: must specify at least one socket 15:28:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) 15:28:32 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) 15:28:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00010000"], 0x24}}, 0x0) 15:28:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) [ 1198.258086] nbd: must specify at least one socket 15:28:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) 15:28:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) 15:28:32 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) 15:28:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00010000"], 0x24}}, 0x0) 15:28:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) [ 1198.326249] nbd: must specify at least one socket 15:28:32 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x2c}}, 0x0) 15:28:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0) 15:28:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) [ 1198.386289] nbd: must specify at least one socket 15:28:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) 15:28:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a0001000000"], 0x24}}, 0x0) 15:28:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0) 15:28:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) [ 1198.426194] nbd: must specify at least one socket 15:28:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) 15:28:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0) [ 1198.484106] nbd: must specify at least one socket 15:28:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a0001000000"], 0x24}}, 0x0) 15:28:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) 15:28:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) 15:28:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a0001"], 0x24}}, 0x0) 15:28:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) 15:28:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) [ 1198.559084] nbd: must specify at least one socket 15:28:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a0001000000"], 0x24}}, 0x0) 15:28:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) [ 1198.603093] nbd: must specify at least one socket 15:28:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x2c}}, 0x0) 15:28:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) 15:28:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0) 15:28:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) [ 1198.634651] nbd: must specify at least one socket 15:28:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:32 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) 15:28:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0) [ 1198.676649] nbd: must specify at least one socket 15:28:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) 15:28:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:32 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) 15:28:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0) 15:28:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) 15:28:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) 15:28:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) 15:28:32 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) [ 1198.863524] nbd: must specify at least one socket 15:28:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) 15:28:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) 15:28:32 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 15:28:32 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:32 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 15:28:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) [ 1199.079923] nbd: must specify a size in bytes for the device 15:28:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) 15:28:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}]}, 0x20}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) [ 1199.147819] nbd: must specify a size in bytes for the device [ 1199.170442] nbd: must specify a size in bytes for the device 15:28:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 15:28:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 15:28:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) 15:28:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) [ 1199.196441] nbd: must specify at least one socket 15:28:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) 15:28:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00010000000400078007"], 0x24}}, 0x0) 15:28:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) [ 1199.249220] nbd: must specify a size in bytes for the device [ 1199.262565] nbd: must specify a size in bytes for the device [ 1199.285741] nbd: must specify a size in bytes for the device 15:28:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x24}}, 0x0) 15:28:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) [ 1199.417204] nla_parse: 28 callbacks suppressed [ 1199.417211] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1199.446595] nbd: must specify a size in bytes for the device 15:28:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 15:28:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x24}}, 0x0) 15:28:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) [ 1199.467232] nbd: must specify a size in bytes for the device 15:28:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) 15:28:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x24}}, 0x0) 15:28:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 15:28:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2], 0x24}}, 0x0) 15:28:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 15:28:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) 15:28:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2], 0x24}}, 0x0) 15:28:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x20}}, 0x0) 15:28:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2], 0x24}}, 0x0) 15:28:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x24}}, 0x0) 15:28:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:33 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x24}}, 0x0) [ 1199.761692] nbd: must specify at least one socket 15:28:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB], 0x24}}, 0x0) 15:28:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x24}}, 0x0) 15:28:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x20}}, 0x0) 15:28:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB], 0x24}}, 0x0) 15:28:33 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x2c}}, 0x0) 15:28:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0, 0x24}}, 0x0) [ 1199.874932] nbd: must specify at least one socket 15:28:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2], 0x24}}, 0x0) 15:28:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x20}}, 0x0) 15:28:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x2c}}, 0x0) [ 1199.908965] nbd: must specify at least one socket 15:28:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB], 0x24}}, 0x0) [ 1199.933489] nbd: must specify at least one socket 15:28:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2], 0x24}}, 0x0) 15:28:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x2c}}, 0x0) 15:28:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00"], 0x24}}, 0x0) [ 1199.957953] nbd: must specify at least one socket 15:28:33 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:33 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2], 0x24}}, 0x0) 15:28:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00"], 0x24}}, 0x0) [ 1200.003945] nbd: must specify at least one socket 15:28:33 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r2, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00"], 0x24}}, 0x0) 15:28:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2], 0x24}}, 0x0) 15:28:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x38, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '[@'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x401}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 15:28:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2], 0x24}}, 0x0) 15:28:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) [ 1200.120403] nbd: must specify at least one socket 15:28:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x70bd2c, 0x25dfdbfb, {}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000095}, 0x4094) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000680), r3) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r3, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x28, r5, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) 15:28:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r0, 0x0, 0x4112) 15:28:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r5) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB], 0x24}}, 0x0) 15:28:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) [ 1200.231355] nbd: must specify at least one socket 15:28:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), r5) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="0000ddd90c57047bd2a23f4c2905f0584d091eafb0edcdbb000e337451c106d13e55744b8d6afb7186c8b5faba96bcd99b620e42c94c8a45bd883471ed7f0cbdea42845eacfc84da6a8e9f2e62d66e847204557b4b4181b3052a2ea932f034b961d8d41e81a0402a2bbbf6a7f5092ac0b1f1e1a0756afb8995d876df7343ae2417ec71d2fd62f91261ce7d1387d5e98778509aca57381301d3c3f1f6e57587e91e1363fe1d1fb6bcda3c73d3fa458502dad6c7fe63a4", @ANYRES16=r4, @ANYBLOB="000829bd7000fddbdf250500000008000100000000000c00040001000000000000000c000500040000000000000008000a006e6264000c000800050000000000000006000a007d2d00000c00030002000000000000000c00040006000000000000000c000300020000000000000007000a005e262300"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000445dc6eacb9a00010000000400078007000000000000000000000049d55cae8c73cde2f3a856bc4e1c0cb1fe6006e5ac7feaca244ab94cec258f68fc53d2c1588a8e"], 0x24}}, 0x0) 15:28:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a0001"], 0x24}}, 0x0) [ 1200.252202] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1200.265148] nbd: must specify at least one socket 15:28:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB], 0x24}}, 0x0) 15:28:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) sendmsg$NFC_CMD_GET_TARGET(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, 0x0, 0x10, 0x70bd25, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x2404a891}, 0x4000000) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r3, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, &(0x7f00000001c0)=0x0, &(0x7f0000000200)=0x4) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000280)={'team0\x00', 0x0}) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f0000000300)={0x0, @private, @loopback}, &(0x7f0000000340)=0xc) sendmsg$TEAM_CMD_OPTIONS_GET(r3, &(0x7f00000003c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000380)={&(0x7f00000005c0)={0x384, 0x0, 0x100, 0x70bd26, 0x25dfdbfe, {}, [{{0x8, 0x1, r4}, {0x78, 0x2, 0x0, 0x1, [{0x3c, 0x1, @user_linkup_enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0xa6}}}]}}, {{0x8}, {0x7c, 0x2, 0x0, 0x1, [{0x40, 0x1, @name={{0x24}, {0x5}, {0xf, 0x4, 'roundrobin\x00'}}}, {0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0xa}}}]}}, {{0x8}, {0x148, 0x2, 0x0, 0x1, [{0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}, {0x38, 0x1, @activeport={{0x24}, {0x5}, {0x8}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24}, {0x5}, {0x8}}, {0x8}}}, {0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x7fffffff}}, {0x8, 0x6, r5}}}]}}, {{0x8}, {0x3c, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0xfffffff1}}}]}}, {{0x8, 0x1, r6}, {0x50, 0x2, 0x0, 0x1, [{0x4c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x19, 0x4, 'hash_to_port_mapping\x00'}}}]}}, {{0x8}, {0x78, 0x2, 0x0, 0x1, [{0x38, 0x1, @mcast_rejoin_interval={{0x24}, {0x5}, {0x8, 0x4, 0x5}}}, {0x3c, 0x1, @lb_tx_method={{0x24}, {0x5}, {0x9, 0x4, 'hash\x00'}}}]}}]}, 0x384}, 0x1, 0x0, 0x0, 0x4880}, 0x400c0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r7, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000400000014000600767863616e8e4cf8a5032e2788613b31"], 0x28}}, 0x0) 15:28:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB], 0x24}}, 0x0) 15:28:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) [ 1200.299399] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1200.318385] nbd: must specify a size in bytes for the device [ 1200.325870] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1200.337929] nbd: must specify at least one socket 15:28:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a0001"], 0x24}}, 0x0) 15:28:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a0001"], 0x24}}, 0x0) 15:28:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x20, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb"], 0x24}}, 0x0) 15:28:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x20, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a0001"], 0x24}}, 0x0) 15:28:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb"], 0x24}}, 0x0) 15:28:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB], 0x24}}, 0x0) [ 1200.440274] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1200.452280] nbd: must specify at least one socket [ 1200.460307] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1200.469101] nbd: must specify at least one socket 15:28:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x20, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, r5, 0x20, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x3}]}, 0x28}, 0x1, 0x0, 0x0, 0x44}, 0x24008010) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x800, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00010000"], 0x24}}, 0x0) 15:28:34 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) [ 1200.511298] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1200.534584] nbd: must specify at least one socket 15:28:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb"], 0x24}}, 0x0) 15:28:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb"], 0x24}}, 0x0) 15:28:34 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100"], 0x24}}, 0x0) 15:28:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB='>\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000eeb820f4c82d277873ddf29cc1899bcc561249a58e6c6e44ab41bef8826707142b36c69121c97841f3bbcde4b806f79d044e91c2fae73b0bd2641535e8dfcbb5a0e51a865708087beb86ad4e"], 0x24}}, 0x0) [ 1200.624286] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1200.636023] nbd: must specify at least one socket 15:28:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00010000"], 0x24}}, 0x0) 15:28:34 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:34 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:34 executing program 5: r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r0, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) ioctl$SNDRV_RAWMIDI_IOCTL_PVERSION(r0, 0x80045700, &(0x7f0000000040)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x24020000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r5) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r7, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(r7, &(0x7f0000000400)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x2c, r6, 0x100, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4008800}, 0x4000) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r5, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r6, 0x200, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r4, &(0x7f0000000300)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x7c, r6, 0x400, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_SECCTX={0x25, 0x7, 'system_u:object_r:sshd_exec_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x40000}, 0x24008011) 15:28:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100"], 0x24}}, 0x0) 15:28:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) [ 1200.722277] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1200.742487] nbd: must specify at least one socket [ 1200.761945] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.1'. 15:28:34 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00010000"], 0x24}}, 0x0) 15:28:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100"], 0x24}}, 0x0) 15:28:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a00010000"], 0x24}}, 0x0) [ 1200.796083] nbd: must specify at least one socket [ 1200.807065] nbd: must specify at least one socket [ 1200.821692] nbd: must specify at least one socket 15:28:34 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a0001000000"], 0x24}}, 0x0) 15:28:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a0001000000"], 0x24}}, 0x0) 15:28:34 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) [ 1200.885721] nbd: must specify at least one socket [ 1200.896442] nbd: must specify at least one socket [ 1200.918904] nbd: must specify at least one socket 15:28:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100"], 0x24}}, 0x0) 15:28:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a0001000000"], 0x24}}, 0x0) [ 1200.952169] nbd: must specify at least one socket 15:28:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a0001000000"], 0x24}}, 0x0) 15:28:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r4) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r4, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r5, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x1, 0x0}}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}]}, 0x40}, 0x1, 0x0, 0x0, 0x4001}, 0x40040000) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r6, &(0x7f00000003c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000380)={&(0x7f0000000140)={0x1c, r5, 0x2, 0x0, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20008041}, 0x80) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="01fc80000000000000000000004000000000"], 0x18}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r7, &(0x7f0000000480)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x40}, 0x7, &(0x7f00000005c0)={&(0x7f0000000500)={0x1c, r5, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x4, 0x1, 0x1}]}, 0xffffffffffffff24}}, 0x800) 15:28:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) [ 1200.995995] nbd: must specify at least one socket [ 1201.006126] nbd: must specify at least one socket 15:28:34 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a0001000000"], 0x24}}, 0x0) 15:28:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a0001000000"], 0x24}}, 0x0) 15:28:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000400000014000600767863616e8ec4610c63467bbb43940787d4f9b431"], 0x28}}, 0x0) [ 1201.046921] nbd: must specify at least one socket [ 1201.063652] nbd: must specify at least one socket 15:28:34 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) [ 1201.127148] nbd: must specify at least one socket [ 1201.139653] nbd: must specify at least one socket 15:28:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) 15:28:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 15:28:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) 15:28:35 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) 15:28:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0) 15:28:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0) 15:28:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="2844d9", @ANYRES16=r1, @ANYBLOB="010000000000000000000400000014000600767863616e8e4cf8a5032e2788613b31"], 0x28}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, 0x0, 0x100, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'batadv0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x5c}, 0x1, 0x0, 0x0, 0xc084}, 0x4000041) 15:28:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0) 15:28:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0) 15:28:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_genetlink_get_family_id$nfc(&(0x7f0000000140), 0xffffffffffffffff) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLIST(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, 0x0, 0x0, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x1f}}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x20008044}, 0x81) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, 0x0, 0x40000) 15:28:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:35 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80001000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x20, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xbfc}]}, 0x38}, 0x1, 0x0, 0x0, 0x20000400}, 0x24040001) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, 0x0, 0x40000) 15:28:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:35 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r3) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r4, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'team0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x58}, 0x1, 0x0, 0x0, 0x4}, 0x80) r5 = openat$ptp0(0xffffffffffffff9c, &(0x7f0000000bc0), 0x0, 0x0) ioctl$PTP_PIN_SETFUNC(r5, 0x40603d07, &(0x7f0000000400)={'\x00', 0x4, 0x3, 0x6}) r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000240), 0x480000, 0x0) ioctl$PTP_CLOCK_GETCAPS(r6, 0x80503d01, &(0x7f0000000380)) ioctl$PTP_PIN_GETFUNC2(r5, 0xc0603d0f, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="0100000000000000000001000000040007800c00000022dc33fa396e7c00"], 0x24}}, 0x0) 15:28:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, 0x0, 0x40000) 15:28:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:35 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, 0x0, 0x40000) 15:28:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x40000) 15:28:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x40000) 15:28:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) [ 1201.982529] nbd: must specify a size in bytes for the device 15:28:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x40000) 15:28:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) [ 1202.047811] nbd: must specify a size in bytes for the device 15:28:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, 0x0, 0x40000) 15:28:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x40000) 15:28:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 15:28:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x40000) 15:28:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, 0x0, 0x40000) 15:28:35 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) [ 1202.145524] nbd: must specify a size in bytes for the device 15:28:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x40000) 15:28:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}]}, 0x30}}, 0x0) 15:28:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, 0x0, 0x40000) 15:28:36 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r2, 0x200, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000800}, 0x40) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xfeb4, &(0x7f0000000040)={&(0x7f0000000340)=ANY=[@ANYBLOB="98000000f4e9feed545a44cb03ca59e38ba23cd917e7f3cae843d5995e277a39b541c1c141e72e", @ANYRES16=0x0, @ANYBLOB="00042bbd7000fedbdf250700000005000100010000001400060069705f7674c3d6201e000000000000001400030000000000000000000000ffffac1e00012200070073797374656d5f753a6f626a6563745f723a6465766c6f675f743a733000000014000200fc0100000000000000000000000005000100010000001400020000000000000000000000000000000001"], 0x98}, 0x1, 0x0, 0x0, 0x40}, 0x80) 15:28:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:36 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$inet(0x2, 0xa, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000004}, 0xc, &(0x7f0000000200)={&(0x7f0000000100)={0x54, r5, 0x800, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffe0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x140}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x54}, 0x1, 0x0, 0x0, 0x800}, 0x40) accept$inet(r2, 0x0, 0x0) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r7, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r7, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000080)={&(0x7f0000000300)=ANY=[@ANYBLOB="65b25f49effc44011a5b43f3965fd3dfa5b70a5b052d4bc13d221e775ed81574ef9545dabbb41be0f6187e4a0db0000062ef04789c75d305b4503f5e2723860724023f165f07160b33d2de967619d55d5bde6c7b1471cc69563941af4add7c2fb3fb11f8da6bf65d3fa2f9a0ad95b77fc997bcdee83a231e5955bcceda9bccd337e879ce5ac9c8000000000000000d45e65bf461c710cd56297082b73db0f4595e20c31112014ef0d9564e6ae70000", @ANYRES16=0x0, @ANYBLOB="000226bd7000ffdbdf250100000014000200000000000000000000000000000000000800050000000000"], 0x30}, 0x1, 0x0, 0x0, 0x800}, 0x8000) 15:28:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x12000, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000040)={0x34, r2, 0x1, 0x0, 0x80, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x951}]}, 0x34}, 0x1, 0x0, 0x0, 0x8090}, 0x0) 15:28:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0) 15:28:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x40000) 15:28:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x40000) 15:28:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0) [ 1202.415586] nbd: must specify at least one socket 15:28:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDRV_RAWMIDI_IOCTL_STATUS64(0xffffffffffffffff, 0xc0385720, &(0x7f00000000c0)={0x1}) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="010000000000000000000100000004000780c12f54ee0d6a779a7355c2d0db554acaa51735d4551537612950eeba1520c81431ed3a1dc87ab34345aa6dd9502bc274a5a654994f0476577b656172ff48db7963584a8890265116847e215b58e0f3e4972839f6d02157df2790130617208de7d376f5c30081a0ed99e7bd223d319bf6f485542325c49936a11798a0"], 0x18}}, 0x0) 15:28:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDRV_RAWMIDI_IOCTL_STATUS64(0xffffffffffffffff, 0xc0385720, &(0x7f00000000c0)={0x1}) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="010000000000000000000100000004000780c12f54ee0d6a779a7355c2d0db554acaa51735d4551537612950eeba1520c81431ed3a1dc87ab34345aa6dd9502bc274a5a654994f0476577b656172ff48db7963584a8890265116847e215b58e0f3e4972839f6d02157df2790130617208de7d376f5c30081a0ed99e7bd223d319bf6f485542325c49936a11798a0"], 0x18}}, 0x0) [ 1202.481903] nbd: must specify at least one socket 15:28:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x40000) 15:28:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x0, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0) 15:28:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r8) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r8, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r9, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(r6, &(0x7f0000000500)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0xbc, r9, 0x2f358c8f30a59a48, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_SECCTX={0x2c, 0x7, 'system_u:object_r:hald_keymap_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @loopback}}]}, 0xbc}, 0x1, 0x0, 0x0, 0x4}, 0x20000000) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) [ 1202.503129] nbd: must specify a size in bytes for the device [ 1202.510210] nbd: must specify a size in bytes for the device 15:28:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x0, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x40000) 15:28:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x0, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x40000) [ 1202.602780] nbd: must specify at least one socket 15:28:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x0, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 15:28:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (fail_nth: 1) 15:28:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x40000) 15:28:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r8) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r8, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r9, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(r6, &(0x7f0000000500)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0xbc, r9, 0x2f358c8f30a59a48, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_SECCTX={0x2c, 0x7, 'system_u:object_r:hald_keymap_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @loopback}}]}, 0xbc}, 0x1, 0x0, 0x0, 0x4}, 0x20000000) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) (fail_nth: 1) 15:28:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) [ 1202.724525] FAULT_INJECTION: forcing a failure. [ 1202.724525] name failslab, interval 1, probability 0, space 0, times 0 [ 1202.759856] CPU: 1 PID: 302 Comm: syz-executor.1 Not tainted 4.14.302-syzkaller #0 15:28:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) [ 1202.767588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 1202.776938] Call Trace: [ 1202.779525] dump_stack+0x1b2/0x281 [ 1202.783162] should_fail.cold+0x10a/0x149 [ 1202.787312] should_failslab+0xd6/0x130 [ 1202.791293] kmem_cache_alloc_node+0x263/0x410 [ 1202.795886] __alloc_skb+0x5c/0x510 [ 1202.799522] netlink_sendmsg+0x91e/0xbc0 [ 1202.803586] ? nlmsg_notify+0x1b0/0x1b0 [ 1202.807563] ? kernel_recvmsg+0x210/0x210 [ 1202.811715] ? security_socket_sendmsg+0x83/0xb0 [ 1202.816471] ? nlmsg_notify+0x1b0/0x1b0 [ 1202.820446] sock_sendmsg+0xb5/0x100 [ 1202.824162] ___sys_sendmsg+0x6c8/0x800 [ 1202.828134] ? get_pid_task+0x91/0x130 [ 1202.832018] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1202.836766] ? lock_downgrade+0x740/0x740 [ 1202.840901] ? __fget+0x23e/0x3e0 [ 1202.844375] ? lock_acquire+0x170/0x3f0 [ 1202.848326] ? lock_downgrade+0x740/0x740 [ 1202.852453] ? __fget+0x265/0x3e0 [ 1202.855890] ? __fdget+0x19b/0x1f0 [ 1202.859413] ? sockfd_lookup_light+0xb2/0x160 [ 1202.863888] __sys_sendmsg+0xa3/0x120 [ 1202.867680] ? SyS_shutdown+0x160/0x160 [ 1202.871644] ? wait_for_completion_io+0x10/0x10 [ 1202.876316] ? SyS_read+0x210/0x210 [ 1202.877949] FAULT_INJECTION: forcing a failure. [ 1202.877949] name failslab, interval 1, probability 0, space 0, times 0 [ 1202.879930] ? __do_page_fault+0x159/0xad0 [ 1202.879944] SyS_sendmsg+0x27/0x40 [ 1202.879953] ? __sys_sendmsg+0x120/0x120 [ 1202.879964] do_syscall_64+0x1d5/0x640 [ 1202.879979] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1202.879992] RIP: 0033:0x7fa1e9b260a9 [ 1202.915671] RSP: 002b:00007fa1e8098168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1202.923372] RAX: ffffffffffffffda RBX: 00007fa1e9c45f80 RCX: 00007fa1e9b260a9 [ 1202.930637] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 1202.937898] RBP: 00007fa1e80981d0 R08: 0000000000000000 R09: 0000000000000000 [ 1202.945155] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1202.952407] R13: 00007ffd5c55aeaf R14: 00007fa1e8098300 R15: 0000000000022000 [ 1202.959692] CPU: 0 PID: 326 Comm: syz-executor.3 Not tainted 4.14.302-syzkaller #0 [ 1202.967487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 1202.976831] Call Trace: [ 1202.979403] dump_stack+0x1b2/0x281 [ 1202.983009] should_fail.cold+0x10a/0x149 [ 1202.987140] should_failslab+0xd6/0x130 [ 1202.991097] kmem_cache_alloc_node+0x263/0x410 [ 1202.995669] __alloc_skb+0x5c/0x510 [ 1202.999280] netlink_sendmsg+0x91e/0xbc0 [ 1203.003340] ? nlmsg_notify+0x1b0/0x1b0 [ 1203.007314] ? kernel_recvmsg+0x210/0x210 [ 1203.011445] ? security_socket_sendmsg+0x83/0xb0 [ 1203.016214] ? nlmsg_notify+0x1b0/0x1b0 [ 1203.020166] sock_sendmsg+0xb5/0x100 [ 1203.023857] ___sys_sendmsg+0x6c8/0x800 [ 1203.027810] ? get_pid_task+0x91/0x130 [ 1203.031684] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1203.036416] ? lock_downgrade+0x740/0x740 [ 1203.040544] ? __fget+0x23e/0x3e0 [ 1203.043984] ? lock_acquire+0x170/0x3f0 [ 1203.047935] ? lock_downgrade+0x740/0x740 [ 1203.052062] ? __fget+0x265/0x3e0 [ 1203.055495] ? __fdget+0x19b/0x1f0 [ 1203.059012] ? sockfd_lookup_light+0xb2/0x160 [ 1203.063486] __sys_sendmsg+0xa3/0x120 [ 1203.067263] ? SyS_shutdown+0x160/0x160 [ 1203.071217] ? wait_for_completion_io+0x10/0x10 [ 1203.075869] ? SyS_read+0x210/0x210 [ 1203.079491] ? __do_page_fault+0x159/0xad0 [ 1203.083776] SyS_sendmsg+0x27/0x40 [ 1203.087314] ? __sys_sendmsg+0x120/0x120 [ 1203.093264] do_syscall_64+0x1d5/0x640 [ 1203.097145] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1203.102322] RIP: 0033:0x7fc9e8dd10a9 [ 1203.106016] RSP: 002b:00007fc9e7322168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1203.113705] RAX: ffffffffffffffda RBX: 00007fc9e8ef1050 RCX: 00007fc9e8dd10a9 15:28:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (fail_nth: 2) [ 1203.120956] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 1203.128202] RBP: 00007fc9e73221d0 R08: 0000000000000000 R09: 0000000000000000 [ 1203.135449] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1203.142696] R13: 00007ffe295c88df R14: 00007fc9e7322300 R15: 0000000000022000 15:28:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) (fail_nth: 2) 15:28:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r8) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r8, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r9, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(r6, &(0x7f0000000500)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0xbc, r9, 0x2f358c8f30a59a48, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_SECCTX={0x2c, 0x7, 'system_u:object_r:hald_keymap_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @loopback}}]}, 0xbc}, 0x1, 0x0, 0x0, 0x4}, 0x20000000) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) [ 1203.214564] FAULT_INJECTION: forcing a failure. [ 1203.214564] name failslab, interval 1, probability 0, space 0, times 0 15:28:37 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) [ 1203.254691] CPU: 0 PID: 329 Comm: syz-executor.1 Not tainted 4.14.302-syzkaller #0 [ 1203.262428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 1203.271778] Call Trace: [ 1203.274364] dump_stack+0x1b2/0x281 [ 1203.277993] should_fail.cold+0x10a/0x149 [ 1203.282140] should_failslab+0xd6/0x130 [ 1203.286129] kmem_cache_alloc_node_trace+0x25a/0x400 [ 1203.291251] __kmalloc_node_track_caller+0x38/0x70 [ 1203.296184] __alloc_skb+0x96/0x510 [ 1203.299817] netlink_sendmsg+0x91e/0xbc0 [ 1203.303871] ? nlmsg_notify+0x1b0/0x1b0 [ 1203.307835] ? kernel_recvmsg+0x210/0x210 [ 1203.311981] ? security_socket_sendmsg+0x83/0xb0 [ 1203.316731] ? nlmsg_notify+0x1b0/0x1b0 [ 1203.320704] sock_sendmsg+0xb5/0x100 [ 1203.321704] FAULT_INJECTION: forcing a failure. [ 1203.321704] name failslab, interval 1, probability 0, space 0, times 0 [ 1203.324412] ___sys_sendmsg+0x6c8/0x800 [ 1203.324424] ? get_pid_task+0x91/0x130 [ 1203.324434] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1203.324447] ? lock_downgrade+0x740/0x740 [ 1203.324460] ? __fget+0x23e/0x3e0 [ 1203.324474] ? lock_acquire+0x170/0x3f0 [ 1203.359710] ? lock_downgrade+0x740/0x740 [ 1203.363847] ? __fget+0x265/0x3e0 [ 1203.367296] ? __fdget+0x19b/0x1f0 [ 1203.370817] ? sockfd_lookup_light+0xb2/0x160 [ 1203.375294] __sys_sendmsg+0xa3/0x120 [ 1203.379076] ? SyS_shutdown+0x160/0x160 [ 1203.383036] ? wait_for_completion_io+0x10/0x10 [ 1203.387693] ? SyS_read+0x210/0x210 [ 1203.391301] ? __do_page_fault+0x159/0xad0 [ 1203.395518] SyS_sendmsg+0x27/0x40 [ 1203.399039] ? __sys_sendmsg+0x120/0x120 [ 1203.403084] do_syscall_64+0x1d5/0x640 [ 1203.406963] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1203.412146] RIP: 0033:0x7fa1e9b260a9 [ 1203.415838] RSP: 002b:00007fa1e8098168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1203.423532] RAX: ffffffffffffffda RBX: 00007fa1e9c45f80 RCX: 00007fa1e9b260a9 [ 1203.430781] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 1203.438039] RBP: 00007fa1e80981d0 R08: 0000000000000000 R09: 0000000000000000 [ 1203.445292] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1203.452547] R13: 00007ffd5c55aeaf R14: 00007fa1e8098300 R15: 0000000000022000 [ 1203.459815] CPU: 1 PID: 350 Comm: syz-executor.3 Not tainted 4.14.302-syzkaller #0 [ 1203.467530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 1203.476879] Call Trace: [ 1203.479461] dump_stack+0x1b2/0x281 [ 1203.483069] should_fail.cold+0x10a/0x149 [ 1203.487196] should_failslab+0xd6/0x130 [ 1203.491147] kmem_cache_alloc_node_trace+0x25a/0x400 [ 1203.496226] __kmalloc_node_track_caller+0x38/0x70 [ 1203.501132] __alloc_skb+0x96/0x510 [ 1203.504739] netlink_sendmsg+0x91e/0xbc0 [ 1203.508782] ? nlmsg_notify+0x1b0/0x1b0 [ 1203.512737] ? kernel_recvmsg+0x210/0x210 [ 1203.516861] ? security_socket_sendmsg+0x83/0xb0 [ 1203.521591] ? nlmsg_notify+0x1b0/0x1b0 [ 1203.525540] sock_sendmsg+0xb5/0x100 [ 1203.529233] ___sys_sendmsg+0x6c8/0x800 [ 1203.533183] ? get_pid_task+0x91/0x130 [ 1203.537044] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1203.541777] ? lock_downgrade+0x740/0x740 [ 1203.545903] ? __fget+0x23e/0x3e0 [ 1203.549334] ? lock_acquire+0x170/0x3f0 [ 1203.553282] ? lock_downgrade+0x740/0x740 [ 1203.557408] ? __fget+0x265/0x3e0 [ 1203.560842] ? __fdget+0x19b/0x1f0 [ 1203.564360] ? sockfd_lookup_light+0xb2/0x160 [ 1203.568836] __sys_sendmsg+0xa3/0x120 [ 1203.572612] ? SyS_shutdown+0x160/0x160 [ 1203.576570] ? wait_for_completion_io+0x10/0x10 [ 1203.581224] ? SyS_read+0x210/0x210 [ 1203.584829] ? __do_page_fault+0x159/0xad0 [ 1203.589041] SyS_sendmsg+0x27/0x40 [ 1203.592561] ? __sys_sendmsg+0x120/0x120 [ 1203.596597] do_syscall_64+0x1d5/0x640 [ 1203.600466] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 15:28:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (fail_nth: 3) [ 1203.605636] RIP: 0033:0x7fc9e8dd10a9 [ 1203.609320] RSP: 002b:00007fc9e7322168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1203.617003] RAX: ffffffffffffffda RBX: 00007fc9e8ef1050 RCX: 00007fc9e8dd10a9 [ 1203.624267] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 1203.631529] RBP: 00007fc9e73221d0 R08: 0000000000000000 R09: 0000000000000000 [ 1203.638775] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1203.646020] R13: 00007ffe295c88df R14: 00007fc9e7322300 R15: 0000000000022000 15:28:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) (fail_nth: 3) 15:28:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r7, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r8, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(r6, &(0x7f0000000500)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0xbc, r8, 0x2f358c8f30a59a48, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_SECCTX={0x2c, 0x7, 'system_u:object_r:hald_keymap_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @loopback}}]}, 0xbc}, 0x1, 0x0, 0x0, 0x4}, 0x20000000) 15:28:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x0, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) [ 1203.717921] FAULT_INJECTION: forcing a failure. [ 1203.717921] name failslab, interval 1, probability 0, space 0, times 0 [ 1203.752992] CPU: 0 PID: 356 Comm: syz-executor.1 Not tainted 4.14.302-syzkaller #0 [ 1203.760731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 1203.770079] Call Trace: [ 1203.772661] dump_stack+0x1b2/0x281 [ 1203.776280] should_fail.cold+0x10a/0x149 [ 1203.780420] should_failslab+0xd6/0x130 [ 1203.784376] kmem_cache_alloc_trace+0x29a/0x3d0 [ 1203.789034] nbd_alloc_config+0x5e/0x180 [ 1203.793077] nbd_genl_connect+0x40f/0x13e0 [ 1203.797299] ? nbd_xmit_timeout+0x500/0x500 [ 1203.801616] ? validate_nla+0x192/0x5e0 [ 1203.805586] ? nla_parse+0x157/0x1f0 [ 1203.809301] genl_family_rcv_msg+0x572/0xb20 [ 1203.813706] ? genl_rcv+0x40/0x40 [ 1203.817151] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1203.822600] ? __kmalloc_node_track_caller+0x4c/0x70 [ 1203.827492] FAULT_INJECTION: forcing a failure. [ 1203.827492] name failslab, interval 1, probability 0, space 0, times 0 [ 1203.827696] ? trace_hardirqs_on+0x10/0x10 [ 1203.827721] genl_rcv_msg+0xaf/0x140 [ 1203.846822] netlink_rcv_skb+0x125/0x390 [ 1203.850875] ? genl_family_rcv_msg+0xb20/0xb20 [ 1203.855439] ? netlink_ack+0x9a0/0x9a0 [ 1203.859309] ? lock_acquire+0x170/0x3f0 [ 1203.863282] genl_rcv+0x24/0x40 [ 1203.866554] netlink_unicast+0x437/0x610 [ 1203.870605] ? netlink_sendskb+0xd0/0xd0 [ 1203.874655] ? __check_object_size+0x179/0x230 [ 1203.879228] netlink_sendmsg+0x648/0xbc0 [ 1203.883276] ? nlmsg_notify+0x1b0/0x1b0 [ 1203.887228] ? kernel_recvmsg+0x210/0x210 [ 1203.891368] ? security_socket_sendmsg+0x83/0xb0 [ 1203.896105] ? nlmsg_notify+0x1b0/0x1b0 [ 1203.900070] sock_sendmsg+0xb5/0x100 [ 1203.903781] ___sys_sendmsg+0x6c8/0x800 [ 1203.907748] ? get_pid_task+0x91/0x130 [ 1203.911624] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1203.916365] ? lock_downgrade+0x740/0x740 [ 1203.920504] ? __fget+0x23e/0x3e0 [ 1203.923948] ? lock_acquire+0x170/0x3f0 [ 1203.927912] ? lock_downgrade+0x740/0x740 [ 1203.932043] ? __fget+0x265/0x3e0 [ 1203.935480] ? __fdget+0x19b/0x1f0 [ 1203.939000] ? sockfd_lookup_light+0xb2/0x160 [ 1203.943478] __sys_sendmsg+0xa3/0x120 [ 1203.947261] ? SyS_shutdown+0x160/0x160 [ 1203.951225] ? wait_for_completion_io+0x10/0x10 [ 1203.955895] ? SyS_read+0x210/0x210 [ 1203.959510] ? __do_page_fault+0x159/0xad0 [ 1203.963728] SyS_sendmsg+0x27/0x40 [ 1203.967255] ? __sys_sendmsg+0x120/0x120 [ 1203.971308] do_syscall_64+0x1d5/0x640 [ 1203.975194] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1203.980371] RIP: 0033:0x7fa1e9b260a9 [ 1203.984067] RSP: 002b:00007fa1e8098168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1203.991764] RAX: ffffffffffffffda RBX: 00007fa1e9c45f80 RCX: 00007fa1e9b260a9 [ 1203.999042] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 1204.006299] RBP: 00007fa1e80981d0 R08: 0000000000000000 R09: 0000000000000000 [ 1204.013554] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1204.020805] R13: 00007ffd5c55aeaf R14: 00007fa1e8098300 R15: 0000000000022000 [ 1204.028075] CPU: 1 PID: 370 Comm: syz-executor.3 Not tainted 4.14.302-syzkaller #0 [ 1204.030264] nbd: couldn't allocate config [ 1204.035780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 1204.035784] Call Trace: [ 1204.035800] dump_stack+0x1b2/0x281 [ 1204.035814] should_fail.cold+0x10a/0x149 [ 1204.059567] should_failslab+0xd6/0x130 [ 1204.063527] kmem_cache_alloc_node+0x263/0x410 [ 1204.068088] __alloc_skb+0x5c/0x510 [ 1204.071693] netlink_ack+0x216/0x9a0 [ 1204.075384] ? netlink_sendmsg+0xbc0/0xbc0 [ 1204.079594] netlink_rcv_skb+0x2c5/0x390 [ 1204.083633] ? genl_family_rcv_msg+0xb20/0xb20 [ 1204.088190] ? netlink_ack+0x9a0/0x9a0 [ 1204.092052] ? lock_acquire+0x170/0x3f0 [ 1204.096004] genl_rcv+0x24/0x40 [ 1204.099259] netlink_unicast+0x437/0x610 [ 1204.103296] ? netlink_sendskb+0xd0/0xd0 [ 1204.107344] ? __check_object_size+0x179/0x230 [ 1204.111901] netlink_sendmsg+0x648/0xbc0 [ 1204.115938] ? nlmsg_notify+0x1b0/0x1b0 [ 1204.119887] ? kernel_recvmsg+0x210/0x210 [ 1204.124012] ? security_socket_sendmsg+0x83/0xb0 [ 1204.128743] ? nlmsg_notify+0x1b0/0x1b0 [ 1204.132691] sock_sendmsg+0xb5/0x100 [ 1204.136380] ___sys_sendmsg+0x6c8/0x800 [ 1204.140331] ? get_pid_task+0x91/0x130 [ 1204.144200] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1204.148935] ? lock_downgrade+0x740/0x740 [ 1204.153063] ? __fget+0x23e/0x3e0 [ 1204.156497] ? lock_acquire+0x170/0x3f0 [ 1204.160445] ? lock_downgrade+0x740/0x740 [ 1204.164570] ? __fget+0x265/0x3e0 [ 1204.168002] ? __fdget+0x19b/0x1f0 [ 1204.171519] ? sockfd_lookup_light+0xb2/0x160 [ 1204.175988] __sys_sendmsg+0xa3/0x120 [ 1204.179766] ? SyS_shutdown+0x160/0x160 [ 1204.183723] ? wait_for_completion_io+0x10/0x10 [ 1204.188377] ? SyS_read+0x210/0x210 [ 1204.191980] ? __do_page_fault+0x159/0xad0 [ 1204.196190] SyS_sendmsg+0x27/0x40 [ 1204.199705] ? __sys_sendmsg+0x120/0x120 [ 1204.203751] do_syscall_64+0x1d5/0x640 [ 1204.207620] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1204.212787] RIP: 0033:0x7fc9e8dd10a9 15:28:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) [ 1204.216470] RSP: 002b:00007fc9e7322168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1204.224151] RAX: ffffffffffffffda RBX: 00007fc9e8ef1050 RCX: 00007fc9e8dd10a9 [ 1204.231402] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 1204.238654] RBP: 00007fc9e73221d0 R08: 0000000000000000 R09: 0000000000000000 [ 1204.245898] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1204.253141] R13: 00007ffe295c88df R14: 00007fc9e7322300 R15: 0000000000022000 15:28:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r7, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r8, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(r6, &(0x7f0000000500)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0xbc, r8, 0x2f358c8f30a59a48, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_SECCTX={0x2c, 0x7, 'system_u:object_r:hald_keymap_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @loopback}}]}, 0xbc}, 0x1, 0x0, 0x0, 0x4}, 0x20000000) 15:28:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x0, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) (fail_nth: 4) 15:28:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x44}}, 0x40000) 15:28:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (fail_nth: 4) [ 1204.282507] nbd: couldn't find device at index 2 15:28:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x0, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r7, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r8, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(r6, &(0x7f0000000500)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0xbc, r8, 0x2f358c8f30a59a48, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_SECCTX={0x2c, 0x7, 'system_u:object_r:hald_keymap_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @loopback}}]}, 0xbc}, 0x1, 0x0, 0x0, 0x4}, 0x20000000) [ 1204.365890] nbd: must specify at least one socket [ 1204.371861] FAULT_INJECTION: forcing a failure. [ 1204.371861] name failslab, interval 1, probability 0, space 0, times 0 [ 1204.391657] CPU: 1 PID: 385 Comm: syz-executor.3 Not tainted 4.14.302-syzkaller #0 [ 1204.399392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 1204.401498] nbd: couldn't find device at index 2 [ 1204.408735] Call Trace: 15:28:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, 0x0, 0x40000) 15:28:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x44}}, 0x40000) [ 1204.408754] dump_stack+0x1b2/0x281 [ 1204.408769] should_fail.cold+0x10a/0x149 [ 1204.408783] should_failslab+0xd6/0x130 [ 1204.408796] kmem_cache_alloc_node_trace+0x25a/0x400 [ 1204.408808] __kmalloc_node_track_caller+0x38/0x70 [ 1204.408817] __alloc_skb+0x96/0x510 [ 1204.408831] netlink_ack+0x216/0x9a0 [ 1204.445159] ? netlink_sendmsg+0xbc0/0xbc0 [ 1204.449399] netlink_rcv_skb+0x2c5/0x390 [ 1204.453463] ? genl_family_rcv_msg+0xb20/0xb20 [ 1204.458044] ? netlink_ack+0x9a0/0x9a0 [ 1204.461928] ? lock_acquire+0x170/0x3f0 15:28:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) [ 1204.465905] genl_rcv+0x24/0x40 [ 1204.469182] netlink_unicast+0x437/0x610 [ 1204.473242] ? netlink_sendskb+0xd0/0xd0 [ 1204.477304] ? __check_object_size+0x179/0x230 [ 1204.481882] netlink_sendmsg+0x648/0xbc0 [ 1204.485940] ? nlmsg_notify+0x1b0/0x1b0 [ 1204.489902] ? kernel_recvmsg+0x210/0x210 [ 1204.494031] ? security_socket_sendmsg+0x83/0xb0 [ 1204.498774] ? nlmsg_notify+0x1b0/0x1b0 [ 1204.502727] sock_sendmsg+0xb5/0x100 [ 1204.506428] ___sys_sendmsg+0x6c8/0x800 [ 1204.510396] ? get_pid_task+0x91/0x130 [ 1204.514277] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1204.519019] ? lock_downgrade+0x740/0x740 [ 1204.523159] ? __fget+0x23e/0x3e0 [ 1204.526597] ? lock_acquire+0x170/0x3f0 [ 1204.530564] ? lock_downgrade+0x740/0x740 [ 1204.534708] ? __fget+0x265/0x3e0 [ 1204.538151] ? __fdget+0x19b/0x1f0 [ 1204.541690] ? sockfd_lookup_light+0xb2/0x160 [ 1204.546183] __sys_sendmsg+0xa3/0x120 [ 1204.549968] ? SyS_shutdown+0x160/0x160 [ 1204.553922] ? wait_for_completion_io+0x10/0x10 [ 1204.558583] ? SyS_read+0x210/0x210 [ 1204.562201] ? __do_page_fault+0x159/0xad0 [ 1204.566424] SyS_sendmsg+0x27/0x40 [ 1204.569949] ? __sys_sendmsg+0x120/0x120 [ 1204.573991] do_syscall_64+0x1d5/0x640 [ 1204.577869] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1204.583042] RIP: 0033:0x7fc9e8dd10a9 [ 1204.586730] RSP: 002b:00007fc9e7343168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1204.594416] RAX: ffffffffffffffda RBX: 00007fc9e8ef0f80 RCX: 00007fc9e8dd10a9 [ 1204.601672] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 1204.608927] RBP: 00007fc9e73431d0 R08: 0000000000000000 R09: 0000000000000000 15:28:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) (fail_nth: 5) [ 1204.616180] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1204.623437] R13: 00007ffe295c88df R14: 00007fc9e7343300 R15: 0000000000022000 15:28:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r8) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r8, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r9, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x44}}, 0x40000) 15:28:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, 0x0, 0x40000) [ 1204.681970] FAULT_INJECTION: forcing a failure. [ 1204.681970] name failslab, interval 1, probability 0, space 0, times 0 [ 1204.690443] nla_parse: 19 callbacks suppressed [ 1204.690449] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1204.705822] CPU: 1 PID: 391 Comm: syz-executor.1 Not tainted 4.14.302-syzkaller #0 [ 1204.714205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 1204.723556] Call Trace: [ 1204.726143] dump_stack+0x1b2/0x281 [ 1204.729776] should_fail.cold+0x10a/0x149 [ 1204.733927] should_failslab+0xd6/0x130 [ 1204.737902] kmem_cache_alloc_node+0x263/0x410 [ 1204.742364] nbd: must specify at least one socket [ 1204.742480] __alloc_skb+0x5c/0x510 [ 1204.750922] netlink_ack+0x216/0x9a0 [ 1204.754633] ? netlink_sendmsg+0xbc0/0xbc0 [ 1204.755694] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1204.758868] netlink_rcv_skb+0x2c5/0x390 [ 1204.758881] ? genl_family_rcv_msg+0xb20/0xb20 [ 1204.758891] ? netlink_ack+0x9a0/0x9a0 [ 1204.758902] ? lock_acquire+0x170/0x3f0 [ 1204.758915] genl_rcv+0x24/0x40 [ 1204.758922] netlink_unicast+0x437/0x610 [ 1204.758932] ? netlink_sendskb+0xd0/0xd0 [ 1204.758943] ? __check_object_size+0x179/0x230 [ 1204.799759] netlink_sendmsg+0x648/0xbc0 [ 1204.803820] ? nlmsg_notify+0x1b0/0x1b0 [ 1204.807786] ? kernel_recvmsg+0x210/0x210 [ 1204.811933] ? security_socket_sendmsg+0x83/0xb0 [ 1204.816681] ? nlmsg_notify+0x1b0/0x1b0 [ 1204.820647] sock_sendmsg+0xb5/0x100 [ 1204.824437] ___sys_sendmsg+0x6c8/0x800 [ 1204.828391] ? get_pid_task+0x91/0x130 [ 1204.832260] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1204.836999] ? lock_downgrade+0x740/0x740 [ 1204.841131] ? __fget+0x23e/0x3e0 [ 1204.844561] ? lock_acquire+0x170/0x3f0 [ 1204.848507] ? lock_downgrade+0x740/0x740 [ 1204.852643] ? __fget+0x265/0x3e0 [ 1204.856097] ? __fdget+0x19b/0x1f0 [ 1204.859618] ? sockfd_lookup_light+0xb2/0x160 [ 1204.864090] __sys_sendmsg+0xa3/0x120 [ 1204.867867] ? SyS_shutdown+0x160/0x160 [ 1204.871827] ? wait_for_completion_io+0x10/0x10 [ 1204.876477] ? SyS_read+0x210/0x210 [ 1204.880079] ? __do_page_fault+0x159/0xad0 [ 1204.884291] SyS_sendmsg+0x27/0x40 [ 1204.887815] ? __sys_sendmsg+0x120/0x120 [ 1204.891885] do_syscall_64+0x1d5/0x640 [ 1204.895757] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1204.900925] RIP: 0033:0x7fa1e9b260a9 [ 1204.904614] RSP: 002b:00007fa1e8098168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1204.912308] RAX: ffffffffffffffda RBX: 00007fa1e9c45f80 RCX: 00007fa1e9b260a9 [ 1204.919560] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 15:28:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (fail_nth: 5) 15:28:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ptp0(0xffffffffffffff9c, &(0x7f0000000bc0), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000000)=ANY=[], 0x24}, 0x1, 0x0, 0x0, 0x40000}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, 0x0, 0x100, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x23ef}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '}+!\\$#'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x4054040}, 0x20008880) [ 1204.926813] RBP: 00007fa1e80981d0 R08: 0000000000000000 R09: 0000000000000000 [ 1204.934075] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1204.941325] R13: 00007ffd5c55aeaf R14: 00007fa1e8098300 R15: 0000000000022000 15:28:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, r2, 0x1, 0x70bd26, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}}, 0x40000) 15:28:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, 0x0, 0x40000) 15:28:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r8) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r8, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r9, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ptp0(0xffffffffffffff9c, &(0x7f0000000bc0), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000000)=ANY=[], 0x24}, 0x1, 0x0, 0x0, 0x40000}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, 0x0, 0x100, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x23ef}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '}+!\\$#'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x4054040}, 0x20008880) [ 1205.016588] FAULT_INJECTION: forcing a failure. [ 1205.016588] name failslab, interval 1, probability 0, space 0, times 0 [ 1205.045733] nbd: couldn't find device at index 2 [ 1205.048682] CPU: 0 PID: 437 Comm: syz-executor.1 Not tainted 4.14.302-syzkaller #0 [ 1205.057973] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1205.058211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 1205.058215] Call Trace: [ 1205.058232] dump_stack+0x1b2/0x281 [ 1205.058246] should_fail.cold+0x10a/0x149 [ 1205.058259] should_failslab+0xd6/0x130 [ 1205.090318] kmem_cache_alloc_node_trace+0x25a/0x400 [ 1205.095404] __kmalloc_node_track_caller+0x38/0x70 [ 1205.100312] __alloc_skb+0x96/0x510 [ 1205.103928] netlink_ack+0x216/0x9a0 [ 1205.107636] ? netlink_sendmsg+0xbc0/0xbc0 [ 1205.111854] netlink_rcv_skb+0x2c5/0x390 [ 1205.115897] ? genl_family_rcv_msg+0xb20/0xb20 [ 1205.120467] ? netlink_ack+0x9a0/0x9a0 [ 1205.124349] ? lock_acquire+0x170/0x3f0 [ 1205.128315] genl_rcv+0x24/0x40 [ 1205.131572] netlink_unicast+0x437/0x610 [ 1205.135614] ? netlink_sendskb+0xd0/0xd0 [ 1205.139655] ? __check_object_size+0x179/0x230 [ 1205.144232] netlink_sendmsg+0x648/0xbc0 [ 1205.148280] ? nlmsg_notify+0x1b0/0x1b0 [ 1205.152230] ? kernel_recvmsg+0x210/0x210 [ 1205.156366] ? security_socket_sendmsg+0x83/0xb0 [ 1205.161101] ? nlmsg_notify+0x1b0/0x1b0 [ 1205.165062] sock_sendmsg+0xb5/0x100 [ 1205.168778] ___sys_sendmsg+0x6c8/0x800 [ 1205.172732] ? get_pid_task+0x91/0x130 [ 1205.176599] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1205.181519] ? lock_downgrade+0x740/0x740 [ 1205.185650] ? __fget+0x23e/0x3e0 [ 1205.189081] ? lock_acquire+0x170/0x3f0 [ 1205.193034] ? lock_downgrade+0x740/0x740 [ 1205.197170] ? __fget+0x265/0x3e0 [ 1205.200617] ? __fdget+0x19b/0x1f0 [ 1205.204140] ? sockfd_lookup_light+0xb2/0x160 [ 1205.208614] __sys_sendmsg+0xa3/0x120 [ 1205.212394] ? SyS_shutdown+0x160/0x160 [ 1205.216358] ? wait_for_completion_io+0x10/0x10 [ 1205.221019] ? SyS_read+0x210/0x210 [ 1205.224626] ? __do_page_fault+0x159/0xad0 [ 1205.228844] SyS_sendmsg+0x27/0x40 [ 1205.232368] ? __sys_sendmsg+0x120/0x120 [ 1205.236405] do_syscall_64+0x1d5/0x640 [ 1205.240275] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1205.245445] RIP: 0033:0x7fa1e9b260a9 [ 1205.249138] RSP: 002b:00007fa1e8098168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1205.256824] RAX: ffffffffffffffda RBX: 00007fa1e9c45f80 RCX: 00007fa1e9b260a9 15:28:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x34, r2, 0x1, 0x70bd26, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}}, 0x40000) 15:28:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (fail_nth: 6) 15:28:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) openat$ptp0(0xffffffffffffff9c, &(0x7f0000000bc0), 0x0, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000000)=ANY=[], 0x24}, 0x1, 0x0, 0x0, 0x40000}, 0x0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, 0x0, 0x100, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x23ef}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '}+!\\$#'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x4054040}, 0x20008880) 15:28:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r8) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) [ 1205.264070] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 1205.271319] RBP: 00007fa1e80981d0 R08: 0000000000000000 R09: 0000000000000000 [ 1205.278565] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1205.285813] R13: 00007ffd5c55aeaf R14: 00007fa1e8098300 R15: 0000000000022000 15:28:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x40000) 15:28:39 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r4) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r4, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0xc8, r5, 0x100, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_vlan\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_hsr\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_to_team\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'batadv_slave_0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bond0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_SECCTX={0x21, 0x7, 'system_u:object_r:fonts_t:s0\x00'}]}, 0xc8}, 0x1, 0x0, 0x0, 0x20000010}, 0x4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nfc(&(0x7f0000000380), r6) 15:28:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x40000) 15:28:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r1) ioctl$SIOCGETNODEID(0xffffffffffffffff, 0x89e1, &(0x7f0000000200)={0x1}) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r1) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r3, 0x200, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x25}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x20004011) 15:28:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x2c, r2, 0x1, 0x70bd26, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x2c}}, 0x40000) [ 1205.376167] nbd: couldn't find device at index 4 [ 1205.391665] nbd: couldn't find device at index 2 15:28:39 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r4) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r4, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0xc8, r5, 0x100, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_vlan\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_hsr\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_to_team\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'batadv_slave_0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bond0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_SECCTX={0x21, 0x7, 'system_u:object_r:fonts_t:s0\x00'}]}, 0xc8}, 0x1, 0x0, 0x0, 0x20000010}, 0x4) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async, rerun: 32) syz_genetlink_get_family_id$nfc(&(0x7f0000000380), r6) (rerun: 32) [ 1205.427690] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 15:28:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x40000) 15:28:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r8) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x2c, r2, 0x1, 0x70bd26, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x2c}}, 0x40000) 15:28:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r1) ioctl$SIOCGETNODEID(0xffffffffffffffff, 0x89e1, &(0x7f0000000200)={0x1}) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r1) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r3, 0x200, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x25}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x20004011) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r1) (async) ioctl$SIOCGETNODEID(0xffffffffffffffff, 0x89e1, &(0x7f0000000200)={0x1}) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r1) (async) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r3, 0x200, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x25}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x20004011) (async) [ 1205.501999] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1205.520522] nbd: must specify at least one socket [ 1205.536522] nbd: couldn't find device at index 2 15:28:39 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r4) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r4, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0xc8, r5, 0x100, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_vlan\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_hsr\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_to_team\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'batadv_slave_0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bond0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_SECCTX={0x21, 0x7, 'system_u:object_r:fonts_t:s0\x00'}]}, 0xc8}, 0x1, 0x0, 0x0, 0x20000010}, 0x4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nfc(&(0x7f0000000380), r6) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r4) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r4, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0xc8, r5, 0x100, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_vlan\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_hsr\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_to_team\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'batadv_slave_0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bond0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_SECCTX={0x21, 0x7, 'system_u:object_r:fonts_t:s0\x00'}]}, 0xc8}, 0x1, 0x0, 0x0, 0x20000010}, 0x4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nfc(&(0x7f0000000380), r6) (async) 15:28:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x40000) 15:28:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x24, r2, 0x1, 0x70bd26, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x24}}, 0x40000) [ 1205.555465] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 15:28:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x40000) 15:28:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x70bd26, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x40000) 15:28:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x44}}, 0x40000) 15:28:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x40000) [ 1205.628501] nbd: couldn't find device at index 4 [ 1205.634220] nbd: couldn't find device at index 2 [ 1205.665836] nbd: couldn't find device at index 2 15:28:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r1) (async) ioctl$SIOCGETNODEID(0xffffffffffffffff, 0x89e1, &(0x7f0000000200)={0x1}) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) (async) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r1) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r3, 0x200, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x25}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x20004011) 15:28:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x1c, r2, 0x1, 0x70bd26, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 15:28:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000040007800c00030000000000000000000c0002000000000000000000"], 0x30}}, 0x0) [ 1205.694204] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 15:28:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r8) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x44}}, 0x40000) [ 1205.752964] nbd: couldn't find device at index 4 [ 1205.759868] nbd: couldn't find device at index 2 [ 1205.773384] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1205.797479] nbd: must specify a device to reconfigure 15:28:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000040007800c00030000000000000000000c0002000000000000000000"], 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000040007800c00030000000000000000000c0002000000000000000000"], 0x30}}, 0x0) (async) 15:28:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000100), r1) sendmsg$NLBL_UNLABEL_C_LIST(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, r3, 0x4, 0x70bd25, 0x25dfdbfd}, 0x14}}, 0x804) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) [ 1205.813855] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 15:28:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x44}}, 0x40000) 15:28:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x0, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000100), r1) sendmsg$NLBL_UNLABEL_C_LIST(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, r3, 0x4, 0x70bd25, 0x25dfdbfd}, 0x14}}, 0x804) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000100), r1) (async) sendmsg$NLBL_UNLABEL_C_LIST(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, r3, 0x4, 0x70bd25, 0x25dfdbfd}, 0x14}}, 0x804) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) (async) [ 1205.887165] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1205.909512] nbd: must specify a device to reconfigure [ 1205.915516] nbd: must specify at least one socket 15:28:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r8) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}}, 0x40000) 15:28:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000040007800c00030000000000000000000c0002000000000000000000"], 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000040007800c00030000000000000000000c0002000000000000000000"], 0x30}}, 0x0) (async) 15:28:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x0, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) [ 1205.960138] nbd: must specify a device to reconfigure [ 1205.969735] nbd: couldn't find device at index 4 15:28:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x0, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}}, 0x40000) 15:28:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r8) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000100), r1) sendmsg$NLBL_UNLABEL_C_LIST(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, r3, 0x4, 0x70bd25, 0x25dfdbfd}, 0x14}}, 0x804) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) [ 1206.042430] nbd: must specify at least one socket [ 1206.050816] nbd: couldn't find device at index 4 [ 1206.057396] nbd: must specify a device to reconfigure [ 1206.071254] nbd: must specify at least one socket 15:28:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:39 executing program 1: ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 15:28:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}}, 0x40000) 15:28:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="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", @ANYRES16=0x0, @ANYBLOB="02002abd7000fddbdf250306000014000200fe8000000000000000000000000000269e26010000000000008099b1b5f3d69000000000"], 0x3c}, 0x1, 0x0, 0x0, 0x10}, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r2, 0x8933, &(0x7f0000000000)) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000040)=ANY=[], 0x24}}, 0x0) [ 1206.120777] nbd: must specify a device to reconfigure [ 1206.128197] nbd: couldn't find device at index 4 15:28:40 executing program 1: ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 15:28:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="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", @ANYRES16=0x0, @ANYBLOB="02002abd7000fddbdf250306000014000200fe8000000000000000000000000000269e26010000000000008099b1b5f3d69000000000"], 0x3c}, 0x1, 0x0, 0x0, 0x10}, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r2, 0x8933, &(0x7f0000000000)) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000040)=ANY=[], 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="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", @ANYRES16=0x0, @ANYBLOB="02002abd7000fddbdf250306000014000200fe8000000000000000000000000000269e26010000000000008099b1b5f3d69000000000"], 0x3c}, 0x1, 0x0, 0x0, 0x10}, 0x0) (async) ioctl$ifreq_SIOCGIFINDEX_team(r2, 0x8933, &(0x7f0000000000)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000040)=ANY=[], 0x24}}, 0x0) (async) 15:28:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) 15:28:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) [ 1206.205628] nbd: couldn't find device at index 5 [ 1206.216144] nbd: couldn't find device at index 4 15:28:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="3c00000086585376b0fa691da1fe12375ab74826fea16c2a30d5dc5ad1ea339192acf05a30bfbd3b541498805a876c4fa14208728c33a688294319c128bf30b550db13482de716cf386a4dfa0b481621e9ce22d5c9c5bde3067b11bd4090a036f5f7454ccdf2323cc00373e776446158fcd4da9378a8c369643b191a365e2f6ad8fa3abaab7c896e2f5174806d683861fd7041d34460a582a92e8bf6b6b5ff372921af2b6ed42e34af0540d943aad97dc92c2c296a7c7b6f64027f03fe644864485bd7f1876f398f63a1a55761647cb013d8f35530f5452e494d80fe175781635417d9d01ca509c61d3e643bbb565bfec7f0a54d589eec6ade0b381b5e5277f2e036e5b45c00658752c98172ad8210007a5e5147d0df4aaaa662c965a64dbdb7e4858e7b9ac17e2d910000e842551f0ae33c537f442171cc2a6b28d2a9283ff89a", @ANYRES16=0x0, @ANYBLOB="02002abd7000fddbdf250306000014000200fe8000000000000000000000000000269e26010000000000008099b1b5f3d69000000000"], 0x3c}, 0x1, 0x0, 0x0, 0x10}, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r2, 0x8933, &(0x7f0000000000)) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000040)=ANY=[], 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="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", @ANYRES16=0x0, @ANYBLOB="02002abd7000fddbdf250306000014000200fe8000000000000000000000000000269e26010000000000008099b1b5f3d69000000000"], 0x3c}, 0x1, 0x0, 0x0, 0x10}, 0x0) (async) ioctl$ifreq_SIOCGIFINDEX_team(r2, 0x8933, &(0x7f0000000000)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000040)=ANY=[], 0x24}}, 0x0) (async) [ 1206.299660] syz-executor.0 (645) used greatest stack depth: 25056 bytes left 15:28:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) 15:28:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:40 executing program 1: ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 15:28:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) [ 1206.340006] nbd: couldn't find device at index 4 [ 1206.344911] nbd: couldn't find device at index 5 15:28:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(0xffffffffffffffff, 0xc0305710, &(0x7f0000000000)={0x0, 0xffffffff, 0x8000000000000000, 0x0, 0x4}) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00^|', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r1) r3 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$SNAPSHOT_S2RAM(r3, 0x330b) 15:28:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xac, r2, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:urandom_device_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'syzkaller1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x11}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_vlan\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}]}, 0xac}, 0x1, 0x0, 0x0, 0x40000}, 0x8000) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) [ 1206.446798] nbd: couldn't find device at index 5 15:28:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(0xffffffffffffffff, 0xc0305710, &(0x7f0000000000)={0x0, 0xffffffff, 0x8000000000000000, 0x0, 0x4}) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00^|', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r1) r3 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$SNAPSHOT_S2RAM(r3, 0x330b) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(0xffffffffffffffff, 0xc0305710, &(0x7f0000000000)={0x0, 0xffffffff, 0x8000000000000000, 0x0, 0x4}) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00^|', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r1) (async) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) (async) ioctl$SNAPSHOT_S2RAM(r3, 0x330b) (async) 15:28:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) [ 1206.476213] nbd: couldn't find device at index 4 15:28:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}}, 0x40000) 15:28:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, 0x0, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) 15:28:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xac, r2, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:urandom_device_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'syzkaller1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x11}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_vlan\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}]}, 0xac}, 0x1, 0x0, 0x0, 0x40000}, 0x8000) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) (async) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xac, r2, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:urandom_device_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'syzkaller1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x11}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_vlan\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}]}, 0xac}, 0x1, 0x0, 0x0, 0x40000}, 0x8000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) 15:28:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(0xffffffffffffffff, 0xc0305710, &(0x7f0000000000)={0x0, 0xffffffff, 0x8000000000000000, 0x0, 0x4}) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00^|', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r1) r3 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$SNAPSHOT_S2RAM(r3, 0x330b) [ 1206.640886] nbd: couldn't find device at index 4 15:28:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}}, 0x40000) [ 1206.667150] nbd: couldn't find device at index 5 15:28:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, 0x0, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}}, 0x40000) 15:28:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x44}}, 0x40000) 15:28:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xac, r2, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:urandom_device_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'syzkaller1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x11}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_vlan\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}]}, 0xac}, 0x1, 0x0, 0x0, 0x40000}, 0x8000) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) (async) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xac, r2, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:urandom_device_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'syzkaller1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x11}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_vlan\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}]}, 0xac}, 0x1, 0x0, 0x0, 0x40000}, 0x8000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) 15:28:40 executing program 3: r0 = syz_genetlink_get_family_id$team(&(0x7f0000000240), 0xffffffffffffffff) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f00000005c0)={0xffffffffffffffff, 0xe0, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, &(0x7f0000000300)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], ""/16, 0x0, 0x0, 0x0, 0x0, 0x2, 0x1, &(0x7f0000000340)=[0x0, 0x0], &(0x7f0000000380)=[0x0], 0x0, 0x8, &(0x7f00000003c0)=[{}, {}], 0x10, 0x10, &(0x7f0000000400), &(0x7f0000000440), 0x8, 0x10, 0x8, 0x8, &(0x7f0000000480)}}, 0x10) sendmsg$TEAM_CMD_PORT_LIST_GET(0xffffffffffffffff, &(0x7f0000000840)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000800)={&(0x7f0000000600)={0x1e4, r0, 0x20, 0x70bd2b, 0x25dfdbfb, {}, [{{0x8, 0x1, r1}, {0xc4, 0x2, 0x0, 0x1, [{0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x8}}, {0x8}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x80000000}}, {0x8}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0xa504}}, {0x8}}}]}}, {{0x8}, {0x74, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x110701e5}}}]}}, {{0x8}, {0x80, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x1}}, {0x8}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}]}, 0x1e4}, 0x1, 0x0, 0x0, 0x8010}, 0x10008000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r4, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000b80), r2) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r5) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r5, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r6, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r4, &(0x7f0000000b40)={&(0x7f0000000a80)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x1c, r6, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @rand_addr=0x64010101}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40000}, 0x14000800) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r8) r10 = openat$zero(0xffffffffffffff9c, &(0x7f00000009c0), 0x2040, 0x0) getsockopt$inet_pktinfo(r10, 0x0, 0x8, &(0x7f0000000a00)={0x0, @loopback, @dev}, &(0x7f0000000a40)=0xc) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r8, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r9, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r2, &(0x7f0000000980)={&(0x7f0000000880)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000940)={&(0x7f00000008c0)={0x60, r9, 0x20, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:mqueue_spool_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_batadv\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x41}}]}, 0x60}, 0x1, 0x0, 0x0, 0x4804}, 0x4000004) sendmsg$NLBL_UNLABEL_C_LIST(r3, &(0x7f00000001c0)={&(0x7f0000000040), 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0xb4, 0x0, 0x100, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:auditd_etc_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x16}}, @NLBL_UNLABEL_A_SECCTX={0x13, 0x7, '/usr/sbin/ntpd\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0x29}}]}, 0xb4}, 0x1, 0x0, 0x0, 0x20008800}, 0x4000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)=ANY=[@ANYBLOB="24000000e27958", @ANYRES16=r7, @ANYBLOB="010000445d0428f58c344181ffa29f1e30f3c0f07e8cd78b8b68ebbbe4232781906186d86042744acc858600"/54], 0x24}}, 0x0) 15:28:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) [ 1206.841392] nbd: couldn't find device at index 4 15:28:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, 0x0, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x44}}, 0x40000) 15:28:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00030000000000000000000c00020a0d00000000000000"], 0x30}}, 0x0) 15:28:40 executing program 3: r0 = syz_genetlink_get_family_id$team(&(0x7f0000000240), 0xffffffffffffffff) (async) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f00000005c0)={0xffffffffffffffff, 0xe0, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, &(0x7f0000000300)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], ""/16, 0x0, 0x0, 0x0, 0x0, 0x2, 0x1, &(0x7f0000000340)=[0x0, 0x0], &(0x7f0000000380)=[0x0], 0x0, 0x8, &(0x7f00000003c0)=[{}, {}], 0x10, 0x10, &(0x7f0000000400), &(0x7f0000000440), 0x8, 0x10, 0x8, 0x8, &(0x7f0000000480)}}, 0x10) sendmsg$TEAM_CMD_PORT_LIST_GET(0xffffffffffffffff, &(0x7f0000000840)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000800)={&(0x7f0000000600)={0x1e4, r0, 0x20, 0x70bd2b, 0x25dfdbfb, {}, [{{0x8, 0x1, r1}, {0xc4, 0x2, 0x0, 0x1, [{0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x8}}, {0x8}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x80000000}}, {0x8}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0xa504}}, {0x8}}}]}}, {{0x8}, {0x74, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x110701e5}}}]}}, {{0x8}, {0x80, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x1}}, {0x8}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}]}, 0x1e4}, 0x1, 0x0, 0x0, 0x8010}, 0x10008000) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r4, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async, rerun: 32) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000b80), r2) (async, rerun: 32) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r5) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r5, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r6, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r4, &(0x7f0000000b40)={&(0x7f0000000a80)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x1c, r6, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @rand_addr=0x64010101}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40000}, 0x14000800) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r8) (async) r10 = openat$zero(0xffffffffffffff9c, &(0x7f00000009c0), 0x2040, 0x0) getsockopt$inet_pktinfo(r10, 0x0, 0x8, &(0x7f0000000a00)={0x0, @loopback, @dev}, &(0x7f0000000a40)=0xc) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r8, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r9, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r2, &(0x7f0000000980)={&(0x7f0000000880)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000940)={&(0x7f00000008c0)={0x60, r9, 0x20, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:mqueue_spool_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_batadv\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x41}}]}, 0x60}, 0x1, 0x0, 0x0, 0x4804}, 0x4000004) (async) sendmsg$NLBL_UNLABEL_C_LIST(r3, &(0x7f00000001c0)={&(0x7f0000000040), 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0xb4, 0x0, 0x100, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:auditd_etc_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x16}}, @NLBL_UNLABEL_A_SECCTX={0x13, 0x7, '/usr/sbin/ntpd\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0x29}}]}, 0xb4}, 0x1, 0x0, 0x0, 0x20008800}, 0x4000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)=ANY=[@ANYBLOB="24000000e27958", @ANYRES16=r7, @ANYBLOB="010000445d0428f58c344181ffa29f1e30f3c0f07e8cd78b8b68ebbbe4232781906186d86042744acc858600"/54], 0x24}}, 0x0) 15:28:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00030000000000000000000c00020a0d00000000000000"], 0x30}}, 0x0) 15:28:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x44}}, 0x40000) [ 1207.086223] nbd: couldn't find device at index 5 [ 1207.092653] nbd: must specify a size in bytes for the device [ 1207.098830] nbd: couldn't find device at index 4 15:28:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00030000000000000000000c00020a0d00000000000000"], 0x30}}, 0x0) 15:28:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}}, 0x40000) [ 1207.159945] nbd: must specify a size in bytes for the device [ 1207.192905] nbd: couldn't find device at index 5 [ 1207.200619] nbd: must specify a size in bytes for the device 15:28:41 executing program 3: r0 = syz_genetlink_get_family_id$team(&(0x7f0000000240), 0xffffffffffffffff) (async) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f00000005c0)={0xffffffffffffffff, 0xe0, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, &(0x7f0000000300)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], ""/16, 0x0, 0x0, 0x0, 0x0, 0x2, 0x1, &(0x7f0000000340)=[0x0, 0x0], &(0x7f0000000380)=[0x0], 0x0, 0x8, &(0x7f00000003c0)=[{}, {}], 0x10, 0x10, &(0x7f0000000400), &(0x7f0000000440), 0x8, 0x10, 0x8, 0x8, &(0x7f0000000480)}}, 0x10) sendmsg$TEAM_CMD_PORT_LIST_GET(0xffffffffffffffff, &(0x7f0000000840)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000800)={&(0x7f0000000600)={0x1e4, r0, 0x20, 0x70bd2b, 0x25dfdbfb, {}, [{{0x8, 0x1, r1}, {0xc4, 0x2, 0x0, 0x1, [{0x40, 0x1, @priority={{{0x24}, {0x5}, {0x8, 0x4, 0x8}}, {0x8}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x80000000}}, {0x8}}}, {0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0xa504}}, {0x8}}}]}}, {{0x8}, {0x74, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8, 0x4, 0x6}}}, {0x38, 0x1, @notify_peers_interval={{0x24}, {0x5}, {0x8, 0x4, 0x110701e5}}}]}}, {{0x8}, {0x80, 0x2, 0x0, 0x1, [{0x40, 0x1, @lb_hash_stats={{{0x24}, {0x5}, {0x8, 0x4, 0x1}}, {0x8}}}, {0x3c, 0x1, @enabled={{{0x24}, {0x5}, {0x4}}, {0x8}}}]}}]}, 0x1e4}, 0x1, 0x0, 0x0, 0x8010}, 0x10008000) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r4, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async, rerun: 32) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000b80), r2) (async, rerun: 32) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r5) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r5, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r6, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r4, &(0x7f0000000b40)={&(0x7f0000000a80)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x1c, r6, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @rand_addr=0x64010101}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40000}, 0x14000800) (async) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) (async, rerun: 64) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r9 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r8) r10 = openat$zero(0xffffffffffffff9c, &(0x7f00000009c0), 0x2040, 0x0) getsockopt$inet_pktinfo(r10, 0x0, 0x8, &(0x7f0000000a00)={0x0, @loopback, @dev}, &(0x7f0000000a40)=0xc) (async, rerun: 32) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r8, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r9, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) (async, rerun: 32) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r2, &(0x7f0000000980)={&(0x7f0000000880)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000940)={&(0x7f00000008c0)={0x60, r9, 0x20, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:mqueue_spool_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_batadv\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x41}}]}, 0x60}, 0x1, 0x0, 0x0, 0x4804}, 0x4000004) sendmsg$NLBL_UNLABEL_C_LIST(r3, &(0x7f00000001c0)={&(0x7f0000000040), 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0xb4, 0x0, 0x100, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:auditd_etc_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x16}}, @NLBL_UNLABEL_A_SECCTX={0x13, 0x7, '/usr/sbin/ntpd\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0x29}}]}, 0xb4}, 0x1, 0x0, 0x0, 0x20008800}, 0x4000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)=ANY=[@ANYBLOB="24000000e27958", @ANYRES16=r7, @ANYBLOB="010000445d0428f58c344181ffa29f1e30f3c0f07e8cd78b8b68ebbbe4232781906186d86042744acc858600"/54], 0x24}}, 0x0) 15:28:41 executing program 1: r0 = openat$ptp0(0xffffffffffffff9c, &(0x7f0000000bc0), 0x0, 0x0) ioctl$PTP_PIN_GETFUNC2(r0, 0xc0603d0f, 0x0) ioctl$PTP_SYS_OFFSET_EXTENDED(r0, 0xc4c03d09, &(0x7f0000000300)={0x18}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$ptp0(0xffffffffffffff9c, &(0x7f0000000080), 0x66482, 0x0) ioctl$PTP_PEROUT_REQUEST2(r3, 0x40383d0c, &(0x7f00000000c0)={{0x5c}, {0x3, 0x995}, 0x9, 0x1}) openat$ptp0(0xffffffffffffff9c, &(0x7f0000000100), 0x400800, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r6) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r8, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) r10 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r10, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000800)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000007c0)={&(0x7f0000000200)={0x6c, r8, 0x2, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}, {0x8}, {0x8}]}]}, 0x6c}, 0x1, 0x0, 0x0, 0x800}, 0x4000810) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r11, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) [ 1207.216041] nbd: couldn't find device at index 4 15:28:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}}, 0x40000) 15:28:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) [ 1207.358997] nbd: couldn't find device at index 5 15:28:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}}, 0x40000) 15:28:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}}, 0x40000) 15:28:41 executing program 1: r0 = openat$ptp0(0xffffffffffffff9c, &(0x7f0000000bc0), 0x0, 0x0) ioctl$PTP_PIN_GETFUNC2(r0, 0xc0603d0f, 0x0) (async) ioctl$PTP_SYS_OFFSET_EXTENDED(r0, 0xc4c03d09, &(0x7f0000000300)={0x18}) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$ptp0(0xffffffffffffff9c, &(0x7f0000000080), 0x66482, 0x0) ioctl$PTP_PEROUT_REQUEST2(r3, 0x40383d0c, &(0x7f00000000c0)={{0x5c}, {0x3, 0x995}, 0x9, 0x1}) (async) openat$ptp0(0xffffffffffffff9c, &(0x7f0000000100), 0x400800, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r6) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r8, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) r10 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r10, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) (async) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000800)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000007c0)={&(0x7f0000000200)={0x6c, r8, 0x2, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}, {0x8}, {0x8}]}]}, 0x6c}, 0x1, 0x0, 0x0, 0x800}, 0x4000810) (async) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r11, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 15:28:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB="2500ef00", @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r4) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r4, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x58, r5, 0x8, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:modules_conf_t:s0\x00'}]}, 0x58}, 0x1, 0x0, 0x0, 0x44000}, 0x40) 15:28:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) [ 1207.461362] nbd: couldn't find device at index 4 [ 1207.484411] nbd: couldn't find device at index 5 15:28:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}}, 0x40000) 15:28:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}}, 0x40000) 15:28:41 executing program 1: r0 = openat$ptp0(0xffffffffffffff9c, &(0x7f0000000bc0), 0x0, 0x0) ioctl$PTP_PIN_GETFUNC2(r0, 0xc0603d0f, 0x0) (async) ioctl$PTP_SYS_OFFSET_EXTENDED(r0, 0xc4c03d09, &(0x7f0000000300)={0x18}) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r3 = openat$ptp0(0xffffffffffffff9c, &(0x7f0000000080), 0x66482, 0x0) ioctl$PTP_PEROUT_REQUEST2(r3, 0x40383d0c, &(0x7f00000000c0)={{0x5c}, {0x3, 0x995}, 0x9, 0x1}) (async) openat$ptp0(0xffffffffffffff9c, &(0x7f0000000100), 0x400800, 0x0) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r6) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r8, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) (async) r10 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r10, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) (async, rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000800)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000007c0)={&(0x7f0000000200)={0x6c, r8, 0x2, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}, {0x8}, {0x8}]}]}, 0x6c}, 0x1, 0x0, 0x0, 0x800}, 0x4000810) (async, rerun: 64) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r11, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 15:28:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB="2500ef00", @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r4) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r4, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICLIST(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x58, r5, 0x8, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:modules_conf_t:s0\x00'}]}, 0x58}, 0x1, 0x0, 0x0, 0x44000}, 0x40) 15:28:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) [ 1207.581414] nbd: couldn't find device at index 5 [ 1207.597121] nbd: couldn't find device at index 4 15:28:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}}, 0x40000) 15:28:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB="2500ef00", @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r4) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r4, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x58, r5, 0x8, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:modules_conf_t:s0\x00'}]}, 0x58}, 0x1, 0x0, 0x0, 0x44000}, 0x40) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB="2500ef00", @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r4) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r4, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICLIST(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x58, r5, 0x8, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:modules_conf_t:s0\x00'}]}, 0x58}, 0x1, 0x0, 0x0, 0x44000}, 0x40) (async) 15:28:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x52040881}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0xa0, 0x0, 0x410, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:tmpreaper_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_SECCTX={0x22, 0x7, 'system_u:object_r:device_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 15:28:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) [ 1207.716099] nbd: couldn't find device at index 5 15:28:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}}, 0x40000) [ 1207.758455] nbd: couldn't find device at index 4 15:28:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, 0x0, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}}, 0x40000) 15:28:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x52040881}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0xa0, 0x0, 0x410, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:tmpreaper_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_SECCTX={0x22, 0x7, 'system_u:object_r:device_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) [ 1207.838415] nbd: couldn't find device at index 4 15:28:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x20, r2, 0x300, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000000}, 0x8a1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) ioctl$PTP_PEROUT_REQUEST2(0xffffffffffffffff, 0x40383d0c, &(0x7f0000000040)={{0x6, 0x6a0}, {0x1, 0x8}, 0x8, 0x1}) sendmsg$NFC_CMD_GET_TARGET(r1, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0x14, 0x0, 0x800, 0x70bd2d, 0x25dfdbfc, {}, [""]}, 0x14}}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYRESOCT=r3, @ANYRES16=r4, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}}, 0x40000) [ 1207.958767] nbd: couldn't find device at index 5 15:28:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x20, r2, 0x300, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000000}, 0x8a1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) ioctl$PTP_PEROUT_REQUEST2(0xffffffffffffffff, 0x40383d0c, &(0x7f0000000040)={{0x6, 0x6a0}, {0x1, 0x8}, 0x8, 0x1}) (async) sendmsg$NFC_CMD_GET_TARGET(r1, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0x14, 0x0, 0x800, 0x70bd2d, 0x25dfdbfc, {}, [""]}, 0x14}}, 0x20000000) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYRESOCT=r3, @ANYRES16=r4, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x52040881}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0xa0, 0x0, 0x410, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:tmpreaper_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_SECCTX={0x22, 0x7, 'system_u:object_r:device_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}]}, 0xa0}, 0x1, 0x0, 0x0, 0x800}, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 15:28:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, 0x0, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}}, 0x40000) [ 1207.991124] nbd: couldn't find device at index 4 15:28:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) 15:28:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}}, 0x40000) 15:28:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}}, 0x40000) [ 1208.046152] nbd: couldn't find device at index 5 [ 1208.065954] nbd: couldn't find device at index 4 15:28:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async, rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) (rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x20, r2, 0x300, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000000}, 0x8a1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) ioctl$PTP_PEROUT_REQUEST2(0xffffffffffffffff, 0x40383d0c, &(0x7f0000000040)={{0x6, 0x6a0}, {0x1, 0x8}, 0x8, 0x1}) (async) sendmsg$NFC_CMD_GET_TARGET(r1, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0x14, 0x0, 0x800, 0x70bd2d, 0x25dfdbfc, {}, [""]}, 0x14}}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYRESOCT=r3, @ANYRES16=r4, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, 0x0, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}}, 0x40000) 15:28:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}}, 0x40000) [ 1208.143904] nbd: couldn't find device at index 5 [ 1208.161549] nbd: couldn't find device at index 4 15:28:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (async) 15:28:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) [ 1208.225059] nbd: couldn't find device at index 5 15:28:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r8) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x0) 15:28:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r4, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r4, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xd4, r5, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}, @NLBL_UNLABEL_A_SECCTX={0x21, 0x7, 'system_u:object_r:ld_so_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0xd4}, 0x1, 0x0, 0x0, 0x8004}, 0x1) [ 1208.334840] nbd: couldn't find device at index 5 15:28:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (async) 15:28:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x40000) 15:28:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r8) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x0) 15:28:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r4, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r4, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xd4, r5, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}, @NLBL_UNLABEL_A_SECCTX={0x21, 0x7, 'system_u:object_r:ld_so_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0xd4}, 0x1, 0x0, 0x0, 0x8004}, 0x1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r4, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r4, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xd4, r5, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}, @NLBL_UNLABEL_A_SECCTX={0x21, 0x7, 'system_u:object_r:ld_so_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0xd4}, 0x1, 0x0, 0x0, 0x8004}, 0x1) (async) [ 1208.428463] nbd: couldn't find device at index 5 [ 1208.436012] nbd: couldn't find device at index 4 [ 1208.446604] nbd: must specify at least one socket 15:28:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r4, 0x7d4af9170f865cc2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x24) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0) [ 1208.511881] nbd: must specify at least one socket 15:28:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}}, 0x40000) 15:28:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x0) [ 1208.532740] nbd: couldn't find device at index 5 [ 1208.539831] nbd: couldn't find device at index 4 15:28:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r4, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r4, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xd4, r5, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}, @NLBL_UNLABEL_A_SECCTX={0x21, 0x7, 'system_u:object_r:ld_so_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0xd4}, 0x1, 0x0, 0x0, 0x8004}, 0x1) 15:28:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}}, 0x40000) 15:28:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r8) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r4, 0x7d4af9170f865cc2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x24) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0) [ 1208.588337] nbd: must specify at least one socket [ 1208.594836] nbd: couldn't find device at index 5 [ 1208.608425] nbd: must specify at least one socket 15:28:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x0) [ 1208.637728] nbd: couldn't find device at index 4 15:28:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) sendmsg$NFC_CMD_GET_TARGET(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}}, 0x40000) 15:28:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) [ 1208.727695] nbd: couldn't find device at index 4 15:28:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r4, 0x7d4af9170f865cc2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x24) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}}, 0x0) 15:28:42 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000000), 0xc7, 0x204001) ioctl$LOOP_GET_STATUS64(r0, 0x4c05, &(0x7f0000000300)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) [ 1208.750520] nbd: must specify at least one socket [ 1208.758196] nbd: must specify at least one socket 15:28:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}}, 0x40000) [ 1208.831137] nbd: couldn't find device at index 5 15:28:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) sendmsg$NFC_CMD_GET_TARGET(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:42 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000000), 0xc7, 0x204001) ioctl$LOOP_GET_STATUS64(r0, 0x4c05, &(0x7f0000000300)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) syz_open_dev$loop(&(0x7f0000000000), 0xc7, 0x204001) (async) ioctl$LOOP_GET_STATUS64(r0, 0x4c05, &(0x7f0000000300)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) (async) 15:28:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) [ 1208.892461] nbd: must specify at least one socket 15:28:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}}, 0x40000) [ 1208.937402] nbd: couldn't find device at index 5 15:28:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:42 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000000), 0xc7, 0x204001) ioctl$LOOP_GET_STATUS64(r0, 0x4c05, &(0x7f0000000300)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) syz_open_dev$loop(&(0x7f0000000000), 0xc7, 0x204001) (async) ioctl$LOOP_GET_STATUS64(r0, 0x4c05, &(0x7f0000000300)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) (async) 15:28:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}}, 0x40000) [ 1209.018618] nbd: must specify at least one socket 15:28:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_open_dev$usbfs(&(0x7f0000000040), 0xe9, 0x0) ioctl$USBDEVFS_GET_SPEED(r3, 0x551f) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 15:28:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) sendmsg$NFC_CMD_GET_TARGET(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) [ 1209.053923] nbd: must specify at least one socket 15:28:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}}, 0x40000) 15:28:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_open_dev$usbfs(&(0x7f0000000040), 0xe9, 0x0) ioctl$USBDEVFS_GET_SPEED(r3, 0x551f) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 15:28:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) ioctl$USBDEVFS_GET_SPEED(0xffffffffffffffff, 0x551f) [ 1209.099975] nbd: couldn't find device at index 5 [ 1209.105329] nbd: must specify at least one socket 15:28:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NFC_CMD_GET_SE(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}}, 0x40000) 15:28:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) r3 = syz_open_dev$usbfs(&(0x7f0000000040), 0xe9, 0x0) ioctl$USBDEVFS_GET_SPEED(r3, 0x551f) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 15:28:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r8) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) (async) ioctl$USBDEVFS_GET_SPEED(0xffffffffffffffff, 0x551f) 15:28:43 executing program 1: r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r0, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) ioctl$KVM_GET_LAPIC(r0, 0x8400ae8e, &(0x7f0000000300)={"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"}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 15:28:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}}, 0x40000) [ 1209.305635] nbd: couldn't find device at index 5 15:28:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) ioctl$USBDEVFS_GET_SPEED(0xffffffffffffffff, 0x551f) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) (async) ioctl$USBDEVFS_GET_SPEED(0xffffffffffffffff, 0x551f) (async) 15:28:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x0) 15:28:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r8) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:43 executing program 1: r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r0, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) ioctl$KVM_GET_LAPIC(r0, 0x8400ae8e, &(0x7f0000000300)={"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"}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r0, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) (async) ioctl$KVM_GET_LAPIC(r0, 0x8400ae8e, &(0x7f0000000300)={"cf49c1122f402ddef168cacc334e9a5c8da87637e9729ca8ba80239bee5c78efeb19b0333a001738a639ec588e12323e5be4f7940eaa84d46a4230c5a2deea7769ffa31811cf06f548641a1793b31002c9fec85d7cde9a17d84eb37f13f8d168759388be77a643c09bf6e21541b56ba66b36ec226c812101c4e8cc09d4367341d27a581251a8dec07f37d740df35e2a90f3d4099791149e946c78b19f2c9461b5e1133404677c90f1a1f77800496e31d4c97276173d17e0632f17bb2c52c71e44d00cce9fb5a67969a01c26771238dc246bd83c35e82d3754face44acda0de5de072639dd511e315f44f0ca8af4872e5b768d1f3741fe3c4d41a6c2f7ab77d407c0fa42870426fd679928d85320ae9c95aa3ca5e2f8ea240b4e4fdeb3e58006a1e8279f6706ddb1b34dcb521df03b70ff0c4a7098a29d6e9e487597d7ed49eebec5dff3983d063a6ad99341f71fe0a91f9b7ab4f39fffb51e9da0d24ba2bb8fe0c49a08572005acae1b87f7057545d89202d3bc425c2e796bdda997837ff17d4fa442257063516832c02d3b47737215c9c324aa066101d0501c6033c5791178ebd537d315a46cb82d3f833446c135cd784d03484769dbe39d9492706c32b81ce60f7a69797b305f2c2c74cb5456b119d2357e836a48f979d8af2bd7b621ce9eb56e457bacbb2ffeb306375320fe5ca4561fe4f44afcc94a94a4cb262ffd741363215e670d738aa24a59323b2632bc586a51bdfb465b5395bdc410588f4902351d6976559fabc87be7d717889215c999f2eaeb3f6727fc80903b2cb994ce271e416f02a1df1b812c9d7f2de458d50f6e9ac79b8f42879acb950bcfc005f3a86d9dbbacadb8f66deecb9b4a64173558846a782808af70ea9144a05546dcdd04448a2d06176c43dfa8ed0a933278a6a3e73b9f1d930028a0981c65dc8769262af8b5c3f4a5b706c0665691bde96f06794e18d86b0f90ff45da3d18777463c3d7bd26b0d8eac2aba5d5930bb5e68bb2fd1ec044c1a1318b9b5cadb8ed120ecb8ade4177b6a39de834f16d562339cb144c6f929977ed0cb159c45b2bb7c67fc55012957953f95bc78dcaec8c2ccb7f8e2f58ecd59775942563fdd152146e9dfd51013867104da0ecd4bd45c9ea976ab81536a0f5a5bc3dbcd32d66b62bb462a00b97a12924c89085694bc58105a7ae1bfc8294ce7e39e3dd57ce6e3432259fd0b9073f951a129379850264bdd412f0b4803e17ca519fa6932a792d0b69fe59a73bfa7c92078f1f8d22addf1ff27337184df350d49daec9f9b26df162927b2fb28562ad0b82b5c016531b71bfa7c39749cf3a843088e845b6bbeef40774098c2a866a02a2d0b23fa69be3e5c50f7ce9b99c79b00a6d1b46e12511b34c9339668d204cc3127a420482f3de2ccae4248570d154916621cd04afc8951ddd89e8a2dc8d383"}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) 15:28:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NFC_CMD_GET_SE(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NFC_CMD_GET_SE(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x0) 15:28:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000000), r3) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x24}}, 0x0) [ 1209.459328] nbd: must specify at least one socket [ 1209.472283] nbd: couldn't find device at index 5 [ 1209.486214] nbd: must specify at least one socket 15:28:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r2, 0x1, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}}, 0x0) 15:28:43 executing program 1: r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r0, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) ioctl$KVM_GET_LAPIC(r0, 0x8400ae8e, &(0x7f0000000300)={"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"}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) [ 1209.578006] nbd: couldn't find device at index 5 15:28:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NFC_CMD_GET_SE(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NFC_CMD_GET_SE(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000000), r3) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x24}}, 0x0) 15:28:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r8) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000300)=ANY=[@ANYBLOB="e2f3dd8f469d57781431d86bd875813a0620b16d88d240b333bbfdb44629382fd70568b784adacea7ca4c6de7ee9118f060a865a021c82d151ec2c", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0xc8, 0x0, 0x800, 0x70bd28, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'team_slave_0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:qemu_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_bridge\x00'}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:tty_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0xc8}, 0x1, 0x0, 0x0, 0x4000010}, 0x20000040) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 15:28:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r8) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) [ 1209.713411] nla_parse: 61 callbacks suppressed [ 1209.713417] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1209.775863] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 15:28:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(0xffffffffffffffff, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000300)=ANY=[@ANYBLOB="e2f3dd8f469d57781431d86bd875813a0620b16d88d240b333bbfdb44629382fd70568b784adacea7ca4c6de7ee9118f060a865a021c82d151ec2c", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0xc8, 0x0, 0x800, 0x70bd28, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'team_slave_0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:qemu_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_bridge\x00'}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:tty_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0xc8}, 0x1, 0x0, 0x0, 0x4000010}, 0x20000040) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000300)=ANY=[@ANYBLOB="e2f3dd8f469d57781431d86bd875813a0620b16d88d240b333bbfdb44629382fd70568b784adacea7ca4c6de7ee9118f060a865a021c82d151ec2c", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0xc8, 0x0, 0x800, 0x70bd28, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'team_slave_0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:qemu_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_bridge\x00'}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:tty_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0xc8}, 0x1, 0x0, 0x0, 0x4000010}, 0x20000040) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) [ 1209.820565] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 15:28:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r5, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r8) sendmsg$NFC_CMD_GET_TARGET(r6, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r7, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NFC_CMD_GET_SE(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nfc(&(0x7f0000000000), r3) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nfc(&(0x7f0000000000), r3) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x24}}, 0x0) (async) [ 1209.922362] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 15:28:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000300)=ANY=[@ANYBLOB="e2f3dd8f469d57781431d86bd875813a0620b16d88d240b333bbfdb44629382fd70568b784adacea7ca4c6de7ee9118f060a865a021c82d151ec2c", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0xc8, 0x0, 0x800, 0x70bd28, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'team_slave_0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:qemu_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_bridge\x00'}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:tty_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0xc8}, 0x1, 0x0, 0x0, 0x4000010}, 0x20000040) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000300)=ANY=[@ANYBLOB="e2f3dd8f469d57781431d86bd875813a0620b16d88d240b333bbfdb44629382fd70568b784adacea7ca4c6de7ee9118f060a865a021c82d151ec2c", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0xc8, 0x0, 0x800, 0x70bd28, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'team_slave_0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:qemu_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_bridge\x00'}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:tty_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0xc8}, 0x1, 0x0, 0x0, 0x4000010}, 0x20000040) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) 15:28:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(0xffffffffffffffff, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) [ 1210.003557] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1210.039457] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 15:28:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r0) sendmsg$NLBL_UNLABEL_C_LIST(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r1, 0x1, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @empty}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4004011}, 0x11) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 15:28:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(0xffffffffffffffff, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(0xffffffffffffffff, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x34, r2, 0x0, 0x8, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x4}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x24048080) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x38, r3, 0x200, 0x0, 0x10, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0xfffffd43, 0x1, r4}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x10000000) 15:28:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NFC_CMD_GET_SE(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r0) sendmsg$NLBL_UNLABEL_C_LIST(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r1, 0x1, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @empty}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4004011}, 0x11) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 15:28:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x34, r2, 0x0, 0x8, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x4}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x24048080) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x38, r3, 0x200, 0x0, 0x10, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0xfffffd43, 0x1, r4}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x10000000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x34, r2, 0x0, 0x8, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x4}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x24048080) (async) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x38, r3, 0x200, 0x0, 0x10, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0xfffffd43, 0x1, r4}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x10000000) (async) [ 1210.219307] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1210.243562] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1210.346349] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 15:28:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r3, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NFC_CMD_GET_SE(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(0xffffffffffffffff, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x34, r2, 0x0, 0x8, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x4}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x24048080) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x38, r3, 0x200, 0x0, 0x10, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0xfffffd43, 0x1, r4}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x10000000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x34, r2, 0x0, 0x8, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x4}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x24048080) (async) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x38, r3, 0x200, 0x0, 0x10, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0xfffffd43, 0x1, r4}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x10000000) (async) 15:28:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r0) sendmsg$NLBL_UNLABEL_C_LIST(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r1, 0x1, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @empty}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4004011}, 0x11) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}, 0x1, 0x0, 0x0, 0x40800}, 0x0) [ 1210.417271] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 15:28:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NFC_CMD_GET_SE(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 15:28:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r3, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x3c, r6, 0x300, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xd}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4}, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r7, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r7) 15:28:44 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r0, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) ioctl$KVM_SET_GUEST_DEBUG(r0, 0x4048ae9b, &(0x7f0000000040)={0x50001, 0x0, [0xfffffffffffffffd, 0xe3, 0x8, 0x7fffffffffffffff, 0xa6, 0x0, 0x10001, 0xfca]}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, 0x0, 0x0, 0x70bd27}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)={0x4c, r2, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x10d}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x51}, 0x800) 15:28:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NFC_CMD_GET_SE(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) 15:28:44 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r0, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) ioctl$KVM_SET_GUEST_DEBUG(r0, 0x4048ae9b, &(0x7f0000000040)={0x50001, 0x0, [0xfffffffffffffffd, 0xe3, 0x8, 0x7fffffffffffffff, 0xa6, 0x0, 0x10001, 0xfca]}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, 0x0, 0x0, 0x70bd27}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)={0x4c, r2, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x10d}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x51}, 0x800) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r0, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) (async) ioctl$KVM_SET_GUEST_DEBUG(r0, 0x4048ae9b, &(0x7f0000000040)={0x50001, 0x0, [0xfffffffffffffffd, 0xe3, 0x8, 0x7fffffffffffffff, 0xa6, 0x0, 0x10001, 0xfca]}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, 0x0, 0x0, 0x70bd27}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)={0x4c, r2, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x10d}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x51}, 0x800) (async) 15:28:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r3, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) [ 1210.630076] nbd: must specify at least one socket 15:28:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NFC_CMD_GET_SE(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x3c, r6, 0x300, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xd}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4}, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r7, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r7) 15:28:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(0xffffffffffffffff, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:44 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r0, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) ioctl$KVM_SET_GUEST_DEBUG(r0, 0x4048ae9b, &(0x7f0000000040)={0x50001, 0x0, [0xfffffffffffffffd, 0xe3, 0x8, 0x7fffffffffffffff, 0xa6, 0x0, 0x10001, 0xfca]}) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14, 0x0, 0x0, 0x70bd27}, 0x14}}, 0x0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)={0x4c, r2, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x10d}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x51}, 0x800) 15:28:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NFC_CMD_GET_SE(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) 15:28:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r3, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r1, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) [ 1210.749555] nbd: must specify at least one socket 15:28:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x3c, r6, 0x300, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xd}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4}, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r7, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r7) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) (async) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x3c, r6, 0x300, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xd}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r7, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r7) (async) 15:28:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), 0xffffffffffffffff) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000000c0), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r7) sendmsg$NBD_CMD_STATUS(r8, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r9, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)={0x34, r9, 0x3, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x34}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x24000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x38, r6, 0x0, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xd1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x8010}, 0x20040001) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000140)={&(0x7f0000000200)=ANY=[@ANYBLOB="b9c64554000000", @ANYRES16=r2, @ANYBLOB="090125bd7000ffdbdf2504000000140006006e69637666300000000000000000000008000400ffffffff14000300ff020000000000000000000000000001080004006401010005000100fd000000"], 0x54}, 0x1, 0x0, 0x0, 0x8014}, 0x0) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r10, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffff9}]}, 0x30}}, 0x0) 15:28:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NFC_CMD_GET_SE(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 15:28:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r3, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r1, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NFC_CMD_GET_SE(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(0xffffffffffffffff, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 15:28:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), 0xffffffffffffffff) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000000c0), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r7) sendmsg$NBD_CMD_STATUS(r8, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r9, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)={0x34, r9, 0x3, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x34}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x24000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x38, r6, 0x0, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xd1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x8010}, 0x20040001) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000140)={&(0x7f0000000200)=ANY=[@ANYBLOB="b9c64554000000", @ANYRES16=r2, @ANYBLOB="090125bd7000ffdbdf2504000000140006006e69637666300000000000000000000008000400ffffffff14000300ff020000000000000000000000000001080004006401010005000100fd000000"], 0x54}, 0x1, 0x0, 0x0, 0x8014}, 0x0) (async) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r10, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffff9}]}, 0x30}}, 0x0) [ 1210.946283] nbd: must specify at least one socket [ 1210.963979] nbd: must specify a size in bytes for the device 15:28:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, 0x0, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x3d}}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:initrc_var_run_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8800}, 0x4004021) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NFC_CMD_GET_SE(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) 15:28:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r3, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r1, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NFC_CMD_GET_SE(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r4, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) 15:28:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(0xffffffffffffffff, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) 15:28:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(0xffffffffffffffff, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) [ 1211.157806] nbd: must specify at least one socket [ 1211.165794] nbd: must specify a size in bytes for the device 15:28:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), 0xffffffffffffffff) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000000c0), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r7) sendmsg$NBD_CMD_STATUS(r8, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r9, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)={0x34, r9, 0x3, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x34}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x24000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x38, r6, 0x0, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xd1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x8010}, 0x20040001) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000140)={&(0x7f0000000200)=ANY=[@ANYBLOB="b9c64554000000", @ANYRES16=r2, @ANYBLOB="090125bd7000ffdbdf2504000000140006006e69637666300000000000000000000008000400ffffffff14000300ff020000000000000000000000000001080004006401010005000100fd000000"], 0x54}, 0x1, 0x0, 0x0, 0x8014}, 0x0) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r10, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffff9}]}, 0x30}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), 0xffffffffffffffff) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000000c0), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r7) (async) sendmsg$NBD_CMD_STATUS(r8, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x28, r9, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)={0x34, r9, 0x3, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x34}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x24000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x38, r6, 0x0, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xd1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x8010}, 0x20040001) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000140)={&(0x7f0000000200)=ANY=[@ANYBLOB="b9c64554000000", @ANYRES16=r2, @ANYBLOB="090125bd7000ffdbdf2504000000140006006e69637666300000000000000000000008000400ffffffff14000300ff020000000000000000000000000001080004006401010005000100fd000000"], 0x54}, 0x1, 0x0, 0x0, 0x8014}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r10, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffff9}]}, 0x30}}, 0x0) (async) 15:28:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_LIST(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, 0x0, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x3d}}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:initrc_var_run_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8800}, 0x4004021) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, 0x0, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x3d}}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:initrc_var_run_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8800}, 0x4004021) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) 15:28:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r3, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, 0x0, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) [ 1211.263639] nbd: must specify at least one socket 15:28:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(0xffffffffffffffff, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) 15:28:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r3, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, 0x0, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:45 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NFC_CMD_GET_SE(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) 15:28:45 executing program 3: ioctl$SNAPSHOT_PREF_IMAGE_SIZE(0xffffffffffffffff, 0x3312, 0x401) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='&\x00\x00\x00', @ANYRES16=r2, @ANYBLOB], 0x24}}, 0x0) 15:28:45 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(0xffffffffffffffff, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:45 executing program 3: ioctl$SNAPSHOT_PREF_IMAGE_SIZE(0xffffffffffffffff, 0x3312, 0x401) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='&\x00\x00\x00', @ANYRES16=r2, @ANYBLOB], 0x24}}, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(0xffffffffffffffff, 0x3312, 0x401) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='&\x00\x00\x00', @ANYRES16=r2, @ANYBLOB], 0x24}}, 0x0) (async) 15:28:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r3, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, 0x0, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) [ 1211.437339] nbd: must specify a size in bytes for the device 15:28:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r4, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000480)={0xffffffffffffffff}) r6 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r6, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000500), 0xb0082, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000680)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0xc6af0e7cd9ad15ce}, 0xc, &(0x7f0000000640)={&(0x7f00000005c0)={0x6c, r2, 0x1, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, ')'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, ','}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2f1f967ed1c0b76e}]}, 0x6c}, 0x1, 0x0, 0x0, 0x8000}, 0xd93a261f41f66699) sendmsg$NLBL_UNLABEL_C_LIST(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000300)=ANY=[@ANYBLOB="64bc000157301aec0b40673cb173543586d6e3c1060320cda6a7f0b1a070d45a8161afc694b238a9d24e6bca044b05dc82d95ae2fb25f6cae013002f23d979ce1aca7bb1aa1f1ea7", @ANYRES16=r3, @ANYBLOB="00022dbd7000fedbdf250200000014000200ff0200000000000000000000000000012700070073797374656d5f753a6f626a6563745f723a696e697472635f657865635f743a73300000140006006261746164765f736c6176655f310000"], 0x64}, 0x1, 0x0, 0x0, 0x4004080}, 0x4) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r8, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f00000003c0)={0x90, r3, 0x10, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0x42}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'vcan0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:modem_device_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x90}, 0x1, 0x0, 0x0, 0x8000}, 0x4084080) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r9, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000800)=ANY=[@ANYBLOB="326fbee13fa35a2d556fd736c16b670100000064ba41285dc79f7b9eb88cfb5488e78ccc9581509e4ab0935f746d711d46e7d41a18c07ecacf9e3256881e8de73995978446eff54c1d635e6d858ca34904044a8ed4da77c05eefb4832b9671a09a19a299e88259cbd66fd42293250c733ad60dfea2564c03e20c6b37ac16e2ad3d74d4d4861c5a61673df695d2a59aa4e96c6e1b0ad57a3173a9d8eb29904d2956b3f745667ef4cfca83a2d9220013fa2210ad895d0357915e0cd5d63a11c02afde528af049e277437788d5f6c1e84f0647d0573ffc7d13c52cc26d61805c7c1f028aa21019713ba840b07138decc6c82342d367ddc048528a897b9fd26f532e2e58a88210e05b2bbfa03b218032ac574548f2ee40de6ce16f9393ffcaecc7e362d6365be3368d9acd6710660d20b0d1a57640dfeca902661f6f8375ad37724b558da5fdd8b854c0d7fce9c9a124a429abb39fcc1f5e7436", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r9, &(0x7f0000000780)={&(0x7f00000006c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000740)={&(0x7f0000000700)={0x20, r2, 0x8, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf6c9}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000884}, 0x84) 15:28:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(0xffffffffffffffff, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) 15:28:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r3, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r1, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:45 executing program 3: ioctl$SNAPSHOT_PREF_IMAGE_SIZE(0xffffffffffffffff, 0x3312, 0x401) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='&\x00\x00\x00', @ANYRES16=r2, @ANYBLOB], 0x24}}, 0x0) 15:28:45 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NFC_CMD_GET_SE(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) 15:28:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r4, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000480)={0xffffffffffffffff}) r6 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r6, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000500), 0xb0082, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000680)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0xc6af0e7cd9ad15ce}, 0xc, &(0x7f0000000640)={&(0x7f00000005c0)={0x6c, r2, 0x1, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, ')'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, ','}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2f1f967ed1c0b76e}]}, 0x6c}, 0x1, 0x0, 0x0, 0x8000}, 0xd93a261f41f66699) sendmsg$NLBL_UNLABEL_C_LIST(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000300)=ANY=[@ANYBLOB="64bc000157301aec0b40673cb173543586d6e3c1060320cda6a7f0b1a070d45a8161afc694b238a9d24e6bca044b05dc82d95ae2fb25f6cae013002f23d979ce1aca7bb1aa1f1ea7", @ANYRES16=r3, @ANYBLOB="00022dbd7000fedbdf250200000014000200ff0200000000000000000000000000012700070073797374656d5f753a6f626a6563745f723a696e697472635f657865635f743a73300000140006006261746164765f736c6176655f310000"], 0x64}, 0x1, 0x0, 0x0, 0x4004080}, 0x4) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r8, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f00000003c0)={0x90, r3, 0x10, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0x42}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'vcan0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:modem_device_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x90}, 0x1, 0x0, 0x0, 0x8000}, 0x4084080) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r9, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000800)=ANY=[@ANYBLOB="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", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) sendmsg$NBD_CMD_STATUS(r9, &(0x7f0000000780)={&(0x7f00000006c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000740)={&(0x7f0000000700)={0x20, r2, 0x8, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf6c9}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000884}, 0x84) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r4, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000480)) (async) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r6, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) (async) openat$zero(0xffffffffffffff9c, &(0x7f0000000500), 0xb0082, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000680)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0xc6af0e7cd9ad15ce}, 0xc, &(0x7f0000000640)={&(0x7f00000005c0)={0x6c, r2, 0x1, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, ')'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, ','}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2f1f967ed1c0b76e}]}, 0x6c}, 0x1, 0x0, 0x0, 0x8000}, 0xd93a261f41f66699) (async) sendmsg$NLBL_UNLABEL_C_LIST(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000300)=ANY=[@ANYBLOB="64bc000157301aec0b40673cb173543586d6e3c1060320cda6a7f0b1a070d45a8161afc694b238a9d24e6bca044b05dc82d95ae2fb25f6cae013002f23d979ce1aca7bb1aa1f1ea7", @ANYRES16=r3, @ANYBLOB="00022dbd7000fedbdf250200000014000200ff0200000000000000000000000000012700070073797374656d5f753a6f626a6563745f723a696e697472635f657865635f743a73300000140006006261746164765f736c6176655f310000"], 0x64}, 0x1, 0x0, 0x0, 0x4004080}, 0x4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r8, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f00000003c0)={0x90, r3, 0x10, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0x42}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'vcan0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:modem_device_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x90}, 0x1, 0x0, 0x0, 0x8000}, 0x4084080) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r9, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000800)=ANY=[@ANYBLOB="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", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r9, &(0x7f0000000780)={&(0x7f00000006c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000740)={&(0x7f0000000700)={0x20, r2, 0x8, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf6c9}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000884}, 0x84) (async) 15:28:45 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(0xffffffffffffffff, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) [ 1211.698523] ================================================================== [ 1211.706052] BUG: KASAN: use-after-free in ex_handler_refcount+0x164/0x1a0 [ 1211.712971] Write of size 4 at addr ffff88807c7ae618 by task systemd-udevd/1842 [ 1211.720407] [ 1211.722032] CPU: 1 PID: 1842 Comm: systemd-udevd Not tainted 4.14.302-syzkaller #0 [ 1211.729728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 1211.739071] Call Trace: [ 1211.741644] dump_stack+0x1b2/0x281 [ 1211.745247] print_address_description.cold+0x54/0x1d3 [ 1211.750498] kasan_report_error.cold+0x8a/0x191 [ 1211.755140] ? ex_handler_refcount+0x164/0x1a0 [ 1211.759694] __asan_report_store4_noabort+0x68/0x70 [ 1211.764683] ? ex_handler_refcount+0x164/0x1a0 [ 1211.769238] ex_handler_refcount+0x164/0x1a0 [ 1211.773618] ? ex_handler_clear_fs+0xb0/0xb0 [ 1211.777999] fixup_exception+0x8a/0xd0 [ 1211.781864] do_trap+0x61/0x250 [ 1211.785121] do_error_trap+0x132/0x2d0 [ 1211.788981] ? math_error+0x2d0/0x2d0 [ 1211.792755] ? flags_string.cold+0x1b3e/0x6c47 [ 1211.797313] ? __mutex_lock+0x360/0x1310 [ 1211.801350] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1211.806166] invalid_op+0x1b/0x40 [ 1211.809593] RIP: 0010:flags_string.cold+0x1b3e/0x6c47 [ 1211.814751] RSP: 0018:ffff88809ba0fcd0 EFLAGS: 00010296 [ 1211.820086] RAX: 0000000000000000 RBX: ffff88807c7ae618 RCX: ffff88807c7ae618 [ 1211.827329] RDX: 0000000000000004 RSI: 0000000000000003 RDI: 0000000000000001 [ 1211.834573] RBP: ffffffff895115a0 R08: 0000000000000000 R09: 0000000000000002 [ 1211.841816] R10: 0000000000000000 R11: ffff888085e722c0 R12: 0000000000000000 [ 1211.849059] R13: ffff888074249244 R14: ffffed100e849296 R15: dffffc0000000000 [ 1211.856312] nbd_release+0xf3/0x150 [ 1211.859916] ? nbd_ioctl+0xad0/0xad0 [ 1211.863718] __blkdev_put+0x5aa/0x800 [ 1211.867498] ? revalidate_disk+0x1f0/0x1f0 [ 1211.871793] ? locks_remove_file+0x2cd/0x420 [ 1211.876181] ? blkdev_put+0x75/0x4c0 [ 1211.879872] ? blkdev_put+0x4c0/0x4c0 [ 1211.883652] blkdev_close+0x86/0xb0 [ 1211.887256] __fput+0x25f/0x7a0 [ 1211.890512] task_work_run+0x11f/0x190 [ 1211.894394] exit_to_usermode_loop+0x1ad/0x200 [ 1211.898957] do_syscall_64+0x4a3/0x640 [ 1211.902836] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1211.908001] RIP: 0033:0x7f7ec389f270 [ 1211.911687] RSP: 002b:00007ffc8c8ca338 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 1211.919379] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f7ec389f270 [ 1211.926635] RDX: 000000000aba9500 RSI: 0000000000000000 RDI: 0000000000000007 [ 1211.933887] RBP: 00007f7ec4759710 R08: 0000000000000045 R09: 0000000000000018 [ 1211.941133] R10: 00005649f1e4fc48 R11: 0000000000000246 R12: 0000000000000000 [ 1211.948376] R13: 00005649f1e4fcd0 R14: 0000000000000003 R15: 000000000000000e [ 1211.955626] [ 1211.957228] Allocated by task 1789: [ 1211.960837] kasan_kmalloc+0xeb/0x160 [ 1211.964611] kmem_cache_alloc_trace+0x131/0x3d0 [ 1211.969257] nbd_dev_add+0x7c/0x800 [ 1211.972853] nbd_genl_connect+0x3a4/0x13e0 [ 1211.977061] genl_family_rcv_msg+0x572/0xb20 [ 1211.981439] genl_rcv_msg+0xaf/0x140 [ 1211.985123] netlink_rcv_skb+0x125/0x390 [ 1211.989157] genl_rcv+0x24/0x40 [ 1211.992624] netlink_unicast+0x437/0x610 [ 1211.996662] netlink_sendmsg+0x648/0xbc0 [ 1212.000699] sock_sendmsg+0xb5/0x100 [ 1212.004398] ___sys_sendmsg+0x6c8/0x800 [ 1212.008354] __sys_sendmsg+0xa3/0x120 [ 1212.012145] SyS_sendmsg+0x27/0x40 [ 1212.015662] do_syscall_64+0x1d5/0x640 [ 1212.019529] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1212.024696] [ 1212.026301] Freed by task 1838: [ 1212.029559] kasan_slab_free+0xc3/0x1a0 [ 1212.033506] kfree+0xc9/0x250 [ 1212.036584] nbd_put.part.0+0x100/0x140 [ 1212.040530] nbd_genl_connect+0xcf6/0x13e0 [ 1212.044751] genl_family_rcv_msg+0x572/0xb20 [ 1212.049138] genl_rcv_msg+0xaf/0x140 [ 1212.052841] netlink_rcv_skb+0x125/0x390 [ 1212.056878] genl_rcv+0x24/0x40 [ 1212.060136] netlink_unicast+0x437/0x610 [ 1212.064171] netlink_sendmsg+0x648/0xbc0 [ 1212.068203] sock_sendmsg+0xb5/0x100 [ 1212.071889] ___sys_sendmsg+0x6c8/0x800 [ 1212.075836] __sys_sendmsg+0xa3/0x120 [ 1212.079617] SyS_sendmsg+0x27/0x40 [ 1212.083131] do_syscall_64+0x1d5/0x640 [ 1212.087003] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1212.092161] [ 1212.093766] The buggy address belongs to the object at ffff88807c7ae540 [ 1212.093766] which belongs to the cache kmalloc-512 of size 512 [ 1212.106401] The buggy address is located 216 bytes inside of [ 1212.106401] 512-byte region [ffff88807c7ae540, ffff88807c7ae740) [ 1212.118250] The buggy address belongs to the page: [ 1212.123155] page:ffffea0001f1eb80 count:1 mapcount:0 mapping:ffff88807c7ae040 index:0x0 [ 1212.131276] flags: 0xfff00000000100(slab) [ 1212.135398] raw: 00fff00000000100 ffff88807c7ae040 0000000000000000 0000000100000006 [ 1212.143252] raw: ffffea0002bed460 ffffea0002d08a20 ffff88813fe74940 0000000000000000 [ 1212.151101] page dumped because: kasan: bad access detected [ 1212.156788] [ 1212.158385] Memory state around the buggy address: [ 1212.163285] ffff88807c7ae500: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 1212.170620] ffff88807c7ae580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1212.177952] >ffff88807c7ae600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1212.185279] ^ [ 1212.189396] ffff88807c7ae680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb 15:28:46 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r3, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r7) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(0xffffffffffffffff, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 15:28:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r1) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r4, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000480)={0xffffffffffffffff}) (async) r6 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r6, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000000500), 0xb0082, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000680)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0xc6af0e7cd9ad15ce}, 0xc, &(0x7f0000000640)={&(0x7f00000005c0)={0x6c, r2, 0x1, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, ')'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, ','}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2f1f967ed1c0b76e}]}, 0x6c}, 0x1, 0x0, 0x0, 0x8000}, 0xd93a261f41f66699) sendmsg$NLBL_UNLABEL_C_LIST(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000300)=ANY=[@ANYBLOB="64bc000157301aec0b40673cb173543586d6e3c1060320cda6a7f0b1a070d45a8161afc694b238a9d24e6bca044b05dc82d95ae2fb25f6cae013002f23d979ce1aca7bb1aa1f1ea7", @ANYRES16=r3, @ANYBLOB="00022dbd7000fedbdf250200000014000200ff0200000000000000000000000000012700070073797374656d5f753a6f626a6563745f723a696e697472635f657865635f743a73300000140006006261746164765f736c6176655f310000"], 0x64}, 0x1, 0x0, 0x0, 0x4004080}, 0x4) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r8, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f00000003c0)={0x90, r3, 0x10, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0x42}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'vcan0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:modem_device_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x90}, 0x1, 0x0, 0x0, 0x8000}, 0x4084080) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r9, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000800)=ANY=[@ANYBLOB="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", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r9, &(0x7f0000000780)={&(0x7f00000006c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000740)={&(0x7f0000000700)={0x20, r2, 0x8, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf6c9}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000884}, 0x84) 15:28:46 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_SE(r4, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) ioctl$KVM_CAP_HYPERV_ENLIGHTENED_VMCS(r3, 0x4068aea3, &(0x7f0000000080)={0xa3, 0x0, 0x0}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r1, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="f62afd9f48caef601921bef37a517d6f41d7c7bba5f6bf82c10d18bbdcd385130d2f2e06f55eadc7a266f9e7284181f3ceeb5511daefe7fef8f18a2941197e7c5d0ca4c153dc29230a373779aec83422f93d8331541b79229c5596a72db6f1d5cf2c8f06810f0c57a1d1d7e466eb289dbf1226fb59c032cdc39a8ff1d89b6901708ea927b75545d75c6ada2dc2979282a0ac873f747991fac40d306155b9001b262bea61ad8869a9320e52b7bc87f2b5c9a059fe5054c22978406434ccc2359d1567e392e06a5f0920951f9b986532e809852ba5", @ANYRES16=0x0, @ANYBLOB="0000000000000000000004000000"], 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NFC_CMD_GET_TARGET(r5, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0x2b, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r6, 0x100, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4008861}, 0x20000800) 15:28:46 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NFC_CMD_GET_SE(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x44, r2, 0x9, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40004}, 0x44880) [ 1212.196725] ffff88807c7ae700: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 1212.204052] ================================================================== [ 1212.211391] Disabling lock debugging due to kernel taint [ 1212.229333] Kernel panic - not syncing: panic_on_warn set ... [ 1212.229333] [ 1212.236710] CPU: 1 PID: 1842 Comm: systemd-udevd Tainted: G B 4.14.302-syzkaller #0 15:28:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r4) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r4, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x38, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}]}, 0x38}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x614e5675790a2ec9}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r5, 0x0, 0x170bd2d, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40}, 0x20044041) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000445dc6eacb9a000100000004"], 0x24}}, 0x0) [ 1212.245622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 1212.254967] Call Trace: [ 1212.257547] dump_stack+0x1b2/0x281 [ 1212.261166] panic+0x1f9/0x42d [ 1212.264355] ? add_taint.cold+0x16/0x16 [ 1212.268321] ? ___preempt_schedule+0x16/0x18 [ 1212.272721] kasan_end_report+0x43/0x49 [ 1212.276684] kasan_report_error.cold+0xa7/0x191 [ 1212.281343] ? ex_handler_refcount+0x164/0x1a0 [ 1212.285914] __asan_report_store4_noabort+0x68/0x70 [ 1212.290931] ? ex_handler_refcount+0x164/0x1a0 [ 1212.295506] ex_handler_refcount+0x164/0x1a0 [ 1212.299904] ? ex_handler_clear_fs+0xb0/0xb0 [ 1212.304307] fixup_exception+0x8a/0xd0 [ 1212.308178] do_trap+0x61/0x250 [ 1212.311435] do_error_trap+0x132/0x2d0 [ 1212.315297] ? math_error+0x2d0/0x2d0 [ 1212.319072] ? flags_string.cold+0x1b3e/0x6c47 [ 1212.323628] ? __mutex_lock+0x360/0x1310 [ 1212.327664] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1212.332480] invalid_op+0x1b/0x40 [ 1212.335907] RIP: 0010:flags_string.cold+0x1b3e/0x6c47 [ 1212.341069] RSP: 0018:ffff88809ba0fcd0 EFLAGS: 00010296 [ 1212.346410] RAX: 0000000000000000 RBX: ffff88807c7ae618 RCX: ffff88807c7ae618 [ 1212.353667] RDX: 0000000000000004 RSI: 0000000000000003 RDI: 0000000000000001 [ 1212.360924] RBP: ffffffff895115a0 R08: 0000000000000000 R09: 0000000000000002 [ 1212.368171] R10: 0000000000000000 R11: ffff888085e722c0 R12: 0000000000000000 [ 1212.375411] R13: ffff888074249244 R14: ffffed100e849296 R15: dffffc0000000000 [ 1212.382667] nbd_release+0xf3/0x150 [ 1212.386269] ? nbd_ioctl+0xad0/0xad0 [ 1212.389959] __blkdev_put+0x5aa/0x800 [ 1212.393751] ? revalidate_disk+0x1f0/0x1f0 [ 1212.397976] ? locks_remove_file+0x2cd/0x420 [ 1212.402370] ? blkdev_put+0x75/0x4c0 [ 1212.406063] ? blkdev_put+0x4c0/0x4c0 [ 1212.409841] blkdev_close+0x86/0xb0 [ 1212.413444] __fput+0x25f/0x7a0 [ 1212.416698] task_work_run+0x11f/0x190 [ 1212.420560] exit_to_usermode_loop+0x1ad/0x200 [ 1212.425114] do_syscall_64+0x4a3/0x640 [ 1212.428979] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1212.434143] RIP: 0033:0x7f7ec389f270 [ 1212.437827] RSP: 002b:00007ffc8c8ca338 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 1212.445507] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f7ec389f270 [ 1212.452756] RDX: 000000000aba9500 RSI: 0000000000000000 RDI: 0000000000000007 [ 1212.460012] RBP: 00007f7ec4759710 R08: 0000000000000045 R09: 0000000000000018 [ 1212.467265] R10: 00005649f1e4fc48 R11: 0000000000000246 R12: 0000000000000000 [ 1212.474508] R13: 00005649f1e4fcd0 R14: 0000000000000003 R15: 000000000000000e [ 1212.481930] Kernel Offset: disabled [ 1212.485540] Rebooting in 86400 seconds..