$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r7, 0x40087705, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000003c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x64, 0x0, 0x200, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x44010}, 0x20000040) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000040)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee01, 0xffffffffffffffff}}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x70, 0x0, 0x100, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r9}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '%@:$]'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '-{*'}]}, 0x70}, 0x1, 0x0, 0x0, 0x20004041}, 0x4c000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x70, 0x0, 0x100, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r9}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '%@:$]'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '-{*'}]}, 0x70}, 0x1, 0x0, 0x0, 0x20004041}, 0x4c000) 04:41:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000000c0)={0xffffffffffffffff, 0x0, &(0x7f0000000080)={0x0}, 0x1, 0x0, 0x0, 0x20000090}, 0x4000000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) socket$xdp(0x2c, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f00000005c0)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) 04:41:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)={0x60, 0x0, 0x1, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '$(/'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x60}, 0x1, 0x0, 0x0, 0x8010}, 0x40000) 04:41:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 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$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r4, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x48, r4, 0x8, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffff}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000000}, 0x851) 04:41:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x84, r1, 0x0, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @multicast1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1d}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x84}}, 0x4080000) 04:41:34 executing program 4: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f0000001a80), 0x2, 0x0) write$vhost_msg(r0, &(0x7f0000002bc0)={0x1, {0x0, 0x0, 0x0}}, 0x48) write$vhost_msg(r0, &(0x7f0000000280)={0x1, {&(0x7f0000000000)=""/5, 0x5, &(0x7f0000000180)=""/213, 0x3, 0x3}}, 0x48) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="0f000000", @ANYRES16=0x0, @ANYBLOB="000000c5337cc3d708ad7e8850d3700000000000000000000001000000"], 0x14}}, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f0000001a80), 0x2, 0x0) (async) write$vhost_msg(r0, &(0x7f0000002bc0)={0x1, {0x0, 0x0, 0x0}}, 0x48) (async) write$vhost_msg(r0, &(0x7f0000000280)={0x1, {&(0x7f0000000000)=""/5, 0x5, &(0x7f0000000180)=""/213, 0x3, 0x3}}, 0x48) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="0f000000", @ANYRES16=0x0, @ANYBLOB="000000c5337cc3d708ad7e8850d3700000000000000000000001000000"], 0x14}}, 0x0) (async) 04:41:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)={0x60, r1, 0x0, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '$(/'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x60}, 0x1, 0x0, 0x0, 0x8010}, 0x40000) 04:41:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000000c0)={0xffffffffffffffff, 0x0, &(0x7f0000000080)={0x0}, 0x1, 0x0, 0x0, 0x20000090}, 0x4000000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f00000005c0)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) 04:41:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (rerun: 64) ioctl$ASHMEM_SET_PROT_MASK(r1, 0x40087705, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f00000001c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) (async, rerun: 64) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r1, 0xc018937b, &(0x7f0000000400)={{0x1, 0x1, 0x18, r1, {0xee01, 0xffffffffffffffff}}, './file0\x00'}) (rerun: 64) ioctl$AUTOFS_DEV_IOCTL_FAIL(r3, 0xc0189377, &(0x7f0000000440)={{0x1, 0x1, 0x18, r2, {0x3, 0x9}}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_FAIL(0xffffffffffffffff, 0xc0189377, &(0x7f0000000200)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xff, 0x7f}}, './file0\x00'}) r5 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000240)='/sys/module/orangefs', 0x200002, 0x4c) r6 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000280)='blkio.bfq.sectors_recursive\x00', 0x0, 0x0) (async, rerun: 32) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (rerun: 32) ioctl$ASHMEM_SET_PROT_MASK(r7, 0x40087705, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000003c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x64, 0x0, 0x200, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}]}, 0x64}, 0x1, 0x0, 0x0, 0x44010}, 0x20000040) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000040)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee01, 0xffffffffffffffff}}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x70, 0x0, 0x100, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r9}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '%@:$]'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '-{*'}]}, 0x70}, 0x1, 0x0, 0x0, 0x20004041}, 0x4c000) [ 2931.203839] nbd: must specify at least one socket 04:41:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x84, r1, 0x0, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @multicast1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1d}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x84}}, 0x4080000) 04:41:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r4, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x48, r4, 0x8, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffff}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000000}, 0x851) 04:41:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0xfffffffffffffc80}}, 0x800) 04:41:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)={0x60, r1, 0x0, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '$(/'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x60}, 0x1, 0x0, 0x0, 0x8010}, 0x40000) 04:41:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000000c0)={0xffffffffffffffff, 0x0, &(0x7f0000000080)={0x0}, 0x1, 0x0, 0x0, 0x20000090}, 0x4000000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r3, &(0x7f00000005c0)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) 04:41:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x84, r1, 0x1, 0x0, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @multicast1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1d}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x84}}, 0x4080000) [ 2931.399121] nbd: must specify at least one socket 04:41:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 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$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r4, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x48, r4, 0x8, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffff}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000000}, 0x851) 04:41:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x38, r2, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5b3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x20040004) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x35}, 0x14}}, 0x0) 04:41:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0xfffffffffffffc80}}, 0x800) 04:41:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)={0x60, r1, 0x0, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '$(/'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x60}, 0x1, 0x0, 0x0, 0x8010}, 0x40000) 04:41:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000000c0)={0xffffffffffffffff, 0x0, &(0x7f0000000080)={0x0}, 0x1, 0x0, 0x0, 0x20000090}, 0x4000000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r3, &(0x7f00000005c0)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) 04:41:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @multicast1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1d}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x84}}, 0x4080000) 04:41:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0xfffffffffffffc80}}, 0x800) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0xfffffffffffffc80}}, 0x800) 04:41:35 executing program 2: 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x38, r2, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5b3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x20040004) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x35}, 0x14}}, 0x0) 04:41:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)={0x60, r1, 0x1, 0x0, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '$(/'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x60}, 0x1, 0x0, 0x0, 0x8010}, 0x40000) [ 2931.592553] nbd: must specify at least one socket [ 2931.608663] nbd: must specify at least one socket 04:41:35 executing program 3: r0 = syz_init_net_socket$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$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r2, 0x401}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x38, r2, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x38}}, 0x24008090) 04:41:35 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) 04:41:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x74, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @multicast1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1d}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}]}, 0x74}}, 0x4080000) 04:41:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x38, r2, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5b3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x20040004) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x35}, 0x14}}, 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$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x38, r2, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5b3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x20040004) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x35}, 0x14}}, 0x0) (async) [ 2931.749143] nbd: must specify a device to reconfigure 04:41:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '$(/'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x60}, 0x1, 0x0, 0x0, 0x8010}, 0x40000) [ 2931.776632] nbd: must specify at least one socket 04:41:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, r3, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @loopback}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000000}, 0x4041) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r6, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) r7 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000200)='pids.events\x00', 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000240)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x1}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_FAIL(0xffffffffffffffff, 0xc0189377, &(0x7f0000000280)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffffffff, 0x40}}, './file0\x00'}) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x58, r6, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}]}, 0x58}, 0x1, 0x0, 0x0, 0x8060}, 0x11) 04:41:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) 04:41:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x74, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @multicast1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1d}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}]}, 0x74}}, 0x4080000) 04:41:35 executing program 3: syz_init_net_socket$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) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r2, 0x401}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x38, r2, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x38}}, 0x24008090) 04:41:35 executing program 2: setsockopt$XDP_RX_RING(0xffffffffffffffff, 0x11b, 0x2, &(0x7f0000000000)=0x800, 0x4) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000040)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) bind$xdp(0xffffffffffffffff, &(0x7f0000000080)={0x2c, 0x1, 0x0, 0x1d, r0}, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r2, 0x40087705, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x14, 0x0, 0xb2b, 0x70bd2a}, 0x14}, 0x1, 0x0, 0x0, 0x20044801}, 0x8051) [ 2931.912375] nbd: must specify a device to reconfigure 04:41:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)={0x54, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '$(/'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0x54}, 0x1, 0x0, 0x0, 0x8010}, 0x40000) 04:41:35 executing program 4: 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$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, r3, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @loopback}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000000}, 0x4041) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0x14}}, 0x0) (async, rerun: 64) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r6, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) (async) r7 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000200)='pids.events\x00', 0x0, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000240)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x1}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_FAIL(0xffffffffffffffff, 0xc0189377, &(0x7f0000000280)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffffffff, 0x40}}, './file0\x00'}) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x58, r6, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}]}, 0x58}, 0x1, 0x0, 0x0, 0x8060}, 0x11) 04:41:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x74, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @multicast1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1d}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}]}, 0x74}}, 0x4080000) [ 2931.984105] nbd: must specify at least one socket 04:41:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) 04:41:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r2, 0x401}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x38, r2, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x38}}, 0x24008090) 04:41:35 executing program 2: setsockopt$XDP_RX_RING(0xffffffffffffffff, 0x11b, 0x2, &(0x7f0000000000)=0x800, 0x4) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000040)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) bind$xdp(0xffffffffffffffff, &(0x7f0000000080)={0x2c, 0x1, 0x0, 0x1d, r0}, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r2, 0x40087705, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x14, 0x0, 0xb2b, 0x70bd2a}, 0x14}, 0x1, 0x0, 0x0, 0x20044801}, 0x8051) setsockopt$XDP_RX_RING(0xffffffffffffffff, 0x11b, 0x2, &(0x7f0000000000)=0x800, 0x4) (async) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000040)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) bind$xdp(0xffffffffffffffff, &(0x7f0000000080)={0x2c, 0x1, 0x0, 0x1d, r0}, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) ioctl$ASHMEM_SET_PROT_MASK(r2, 0x40087705, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x14, 0x0, 0xb2b, 0x70bd2a}, 0x14}, 0x1, 0x0, 0x0, 0x20044801}, 0x8051) (async) [ 2932.103267] nbd: must specify a device to reconfigure 04:41:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @multicast1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1d}}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x70}}, 0x4080000) 04:41:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)={0x48, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '$(/'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}]}, 0x48}, 0x1, 0x0, 0x0, 0x8010}, 0x40000) 04:41:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, r3, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @loopback}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000000}, 0x4041) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) (rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r6, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) r7 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000200)='pids.events\x00', 0x0, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000240)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x1}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_FAIL(0xffffffffffffffff, 0xc0189377, &(0x7f0000000280)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffffffff, 0x40}}, './file0\x00'}) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x58, r6, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}]}, 0x58}, 0x1, 0x0, 0x0, 0x8060}, 0x11) 04:41:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) 04:41:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x28, r1, 0x200, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x38}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x8000) openat$cgroup_pressure(0xffffffffffffffff, &(0x7f0000000000)='io.pressure\x00', 0x2, 0x0) 04:41:35 executing program 2: setsockopt$XDP_RX_RING(0xffffffffffffffff, 0x11b, 0x2, &(0x7f0000000000)=0x800, 0x4) (async, rerun: 32) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000040)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) (rerun: 32) bind$xdp(0xffffffffffffffff, &(0x7f0000000080)={0x2c, 0x1, 0x0, 0x1d, r0}, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r2, 0x40087705, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x14, 0x0, 0xb2b, 0x70bd2a}, 0x14}, 0x1, 0x0, 0x0, 0x20044801}, 0x8051) 04:41:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x5c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @multicast1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x5c}}, 0x4080000) 04:41:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x28, r1, 0x200, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x38}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x8000) (async) openat$cgroup_pressure(0xffffffffffffffff, &(0x7f0000000000)='io.pressure\x00', 0x2, 0x0) 04:41:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) [ 2932.298017] nbd: must specify a device to reconfigure 04:41:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)={0x40, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '$(/'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x40}, 0x1, 0x0, 0x0, 0x8010}, 0x40000) 04:41:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="3500657f", @ANYRES16=0x0, @ANYBLOB="b200000000003a28484d54930d68343a8934fbe518870aff44dfa9709c9d4cc114b48feb19e5b0e6a2ef4a3f16f27a051029fcbc5909567cd23263af6854a1754417c22e8fdb186e4099f71da941a499cea72f2c293cd93511db1663d74e68b4e8e9852ec46d28584268b9d1e8f2c97450c2a0c6e82b5b628ef872836e018c4b097f9ca5aa2a212bfd1f5f2c4bc0f8e5294a5122ca71f8c2c6706406cdb4144dad3f3db44bbf0f06f7120fdb999ee5c47f06fd1b4d73146f76e9ea4e68283b43208e"], 0x14}}, 0x0) 04:41:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x54, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @multicast1}}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x54}}, 0x4080000) 04:41:35 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) 04:41:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x28, r1, 0x200, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x38}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x8000) openat$cgroup_pressure(0xffffffffffffffff, &(0x7f0000000000)='io.pressure\x00', 0x2, 0x0) 04:41:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="c5000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x54, 0x0, 0x10, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}]}, 0x54}, 0x1, 0x0, 0x0, 0x200c0040}, 0x3dcf3cb22567e08e) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r3, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x3c, r2, 0x200, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8800}, 0x0) [ 2932.497451] nbd: must specify a device to reconfigure 04:41:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '$(/'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8010}, 0x40000) 04:41:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="3500657f", @ANYRES16=0x0, @ANYBLOB="b200000000003a28484d54930d68343a8934fbe518870aff44dfa9709c9d4cc114b48feb19e5b0e6a2ef4a3f16f27a051029fcbc5909567cd23263af6854a1754417c22e8fdb186e4099f71da941a499cea72f2c293cd93511db1663d74e68b4e8e9852ec46d28584268b9d1e8f2c97450c2a0c6e82b5b628ef872836e018c4b097f9ca5aa2a212bfd1f5f2c4bc0f8e5294a5122ca71f8c2c6706406cdb4144dad3f3db44bbf0f06f7120fdb999ee5c47f06fd1b4d73146f76e9ea4e68283b43208e"], 0x14}}, 0x0) 04:41:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) write$vhost_msg_v2(0xffffffffffffffff, &(0x7f0000000280)={0x2, 0x0, {&(0x7f00000000c0)=""/98, 0x62, &(0x7f0000000180)=""/205, 0x2, 0x1}}, 0x48) r3 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r3, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r3, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)=ANY=[@ANYRES16=r2, @ANYRES16=r1, @ANYRES8=r0], 0x14}}, 0x4060840) 04:41:36 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) 04:41:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x54, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @multicast1}}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x54}}, 0x4080000) 04:41:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="c5000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x54, 0x0, 0x10, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}]}, 0x54}, 0x1, 0x0, 0x0, 0x200c0040}, 0x3dcf3cb22567e08e) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r3, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x3c, r2, 0x200, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8800}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="c5000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x54, 0x0, 0x10, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}]}, 0x54}, 0x1, 0x0, 0x0, 0x200c0040}, 0x3dcf3cb22567e08e) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r3, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x3c, r2, 0x200, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8800}, 0x0) (async) [ 2932.680756] nbd: must specify a device to reconfigure 04:41:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="3500657f", @ANYRES16=0x0, @ANYBLOB="b200000000003a28484d54930d68343a8934fbe518870aff44dfa9709c9d4cc114b48feb19e5b0e6a2ef4a3f16f27a051029fcbc5909567cd23263af6854a1754417c22e8fdb186e4099f71da941a499cea72f2c293cd93511db1663d74e68b4e8e9852ec46d28584268b9d1e8f2c97450c2a0c6e82b5b628ef872836e018c4b097f9ca5aa2a212bfd1f5f2c4bc0f8e5294a5122ca71f8c2c6706406cdb4144dad3f3db44bbf0f06f7120fdb999ee5c47f06fd1b4d73146f76e9ea4e68283b43208e"], 0x14}}, 0x0) 04:41:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x8010}, 0x40000) 04:41:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) write$vhost_msg_v2(0xffffffffffffffff, &(0x7f0000000280)={0x2, 0x0, {&(0x7f00000000c0)=""/98, 0x62, &(0x7f0000000180)=""/205, 0x2, 0x1}}, 0x48) (async) write$vhost_msg_v2(0xffffffffffffffff, &(0x7f0000000280)={0x2, 0x0, {&(0x7f00000000c0)=""/98, 0x62, &(0x7f0000000180)=""/205, 0x2, 0x1}}, 0x48) r3 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r3, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r3, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r3, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)=ANY=[@ANYRES16=r2, @ANYRES16=r1, @ANYRES8=r0], 0x14}}, 0x4060840) 04:41:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x54, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @multicast1}}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x54}}, 0x4080000) 04:41:36 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) 04:41:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="c5000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x54, 0x0, 0x10, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}]}, 0x54}, 0x1, 0x0, 0x0, 0x200c0040}, 0x3dcf3cb22567e08e) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r3, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x3c, r2, 0x200, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8800}, 0x0) 04:41:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x4c, 0x0, 0x100, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x4c}, 0x1, 0x0, 0x0, 0x48084}, 0x48040) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r1) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000004c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x38, r2, 0x200, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '%{\xb1!+,+'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x10}, 0x8040) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f00000003c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000e1ffffff0000004a000000c005d84c02fda26475b3665a5b30535e498247f9c0edd1fb8ac20828d030dff32b54ca5c1a9fc0662e6ee5aad41a4aa9519711573904e845d13e5dd28c761574c121b331a4d3725e6c388ece66fdd5c66980705c5f64b2e0cae912f740450fbc"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x2c, 0x0, 0x600, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x2c}, 0x1, 0x0, 0x0, 0x240400d0}, 0x4001) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000340)=ANY=[@ANYBLOB="35318e384dd051e6e518e378dafd82aa97969ccde1ae00b90f6e8c1fc5d11b33e838606c80c6a4b1714d7cb74471a9be979393c225fb572c58e8b2847880eeca29f5b8ea1583", @ANYRES16=0x0, @ANYBLOB="000000000000020000000100000f"], 0x14}}, 0x0) 04:41:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x5c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @multicast1}}, @NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x5c}}, 0x4080000) 04:41:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) (async) write$vhost_msg_v2(0xffffffffffffffff, &(0x7f0000000280)={0x2, 0x0, {&(0x7f00000000c0)=""/98, 0x62, &(0x7f0000000180)=""/205, 0x2, 0x1}}, 0x48) (async) r3 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r3, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r3, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)=ANY=[@ANYRES16=r2, @ANYRES16=r1, @ANYRES8=r0], 0x14}}, 0x4060840) 04:41:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) [ 2932.915370] nbd: must specify a device to reconfigure 04:41:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)={0x14, r1, 0x1}, 0x14}}, 0x40000) 04:41:36 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$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x2c, r2, 0x20, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}]}, 0x2c}}, 0x4000000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}, 0x1, 0x0, 0x0, 0x4008800}, 0x0) 04:41:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x4c, 0x0, 0x100, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x4c}, 0x1, 0x0, 0x0, 0x48084}, 0x48040) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r1) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000004c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x38, r2, 0x200, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '%{\xb1!+,+'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x10}, 0x8040) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f00000003c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000e1ffffff0000004a000000c005d84c02fda26475b3665a5b30535e498247f9c0edd1fb8ac20828d030dff32b54ca5c1a9fc0662e6ee5aad41a4aa9519711573904e845d13e5dd28c761574c121b331a4d3725e6c388ece66fdd5c66980705c5f64b2e0cae912f740450fbc"], 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x2c, 0x0, 0x600, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x2c}, 0x1, 0x0, 0x0, 0x240400d0}, 0x4001) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000340)=ANY=[@ANYBLOB="35318e384dd051e6e518e378dafd82aa97969ccde1ae00b90f6e8c1fc5d11b33e838606c80c6a4b1714d7cb74471a9be979393c225fb572c58e8b2847880eeca29f5b8ea1583", @ANYRES16=0x0, @ANYBLOB="000000000000020000000100000f"], 0x14}}, 0x0) 04:41:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x48, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x48}}, 0x4080000) 04:41:36 executing program 3: ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f00000000c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x3}}, './file0\x00'}) ioctl$MEDIA_IOC_G_TOPOLOGY(0xffffffffffffffff, 0xc0487c04, &(0x7f0000000140)={0x0, 0x6, 0x0, &(0x7f00000002c0)=[{}, {}, {}, {}, {0x80000000}, {}], 0x4, 0x0, &(0x7f0000000500)=[{}, {}, {}, {}], 0x9, 0x0, &(0x7f00000006c0)=[{}, {}, {}, {}, {}, {}, {}, {}, {}], 0xa, 0x0, &(0x7f0000000800)=[{}, {}, {}, {}, {}, {}, {}, {}, {}, {}]}) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000a80)={0x80000000, &(0x7f00000009c0), &(0x7f0000000a00)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_SETUP_LINK(r0, 0xc0347c03, &(0x7f0000000ac0)={{r1, 0x0, 0x5, [0x7f, 0x8]}, {r2, 0x0, 0x7, [0x80000001, 0x6]}, 0x4, [0x7, 0xfffffffc]}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="00000000089463648423d4f7c313acd6c23281892b1070f79bae195ed0a57d32181cf95ce8977b01dc88858d882f13ee7bc688a6895f5c7a7188b0fc7bb01ba5192a196c48869c799abc0a38056e317cd3e47db6b055209f37df18c56a2b9962684a3f6d6e93d510dc65b77182b58903db1c816b7990", @ANYRES16=r4, @ANYBLOB="01042bbd700000000000010000000c000400ff030000000000000c00040001040000000000000c00030001000000000000800c00030001000100000000000c000400ebe80000000000000c0006000300000000000000"], 0x5c}, 0x1, 0x0, 0x0, 0x44008}, 0x0) setsockopt$CAIFSO_LINK_SELECT(0xffffffffffffffff, 0x116, 0x7f, &(0x7f0000000080)=0x726e, 0x4) 04:41:36 executing program 4: 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$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x2c, r2, 0x20, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}]}, 0x2c}}, 0x4000000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}, 0x1, 0x0, 0x0, 0x4008800}, 0x0) 04:41:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) [ 2933.029697] nbd: must specify a device to reconfigure 04:41:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)={0x14, r1, 0x1}, 0x14}}, 0x0) 04:41:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x40, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x40}}, 0x4080000) 04:41:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x4c, 0x0, 0x100, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x4c}, 0x1, 0x0, 0x0, 0x48084}, 0x48040) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r1) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000004c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x38, r2, 0x200, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '%{\xb1!+,+'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x10}, 0x8040) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f00000003c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="000000e1ffffff0000004a000000c005d84c02fda26475b3665a5b30535e498247f9c0edd1fb8ac20828d030dff32b54ca5c1a9fc0662e6ee5aad41a4aa9519711573904e845d13e5dd28c761574c121b331a4d3725e6c388ece66fdd5c66980705c5f64b2e0cae912f740450fbc"], 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x2c, 0x0, 0x600, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x2c}, 0x1, 0x0, 0x0, 0x240400d0}, 0x4001) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000340)=ANY=[@ANYBLOB="35318e384dd051e6e518e378dafd82aa97969ccde1ae00b90f6e8c1fc5d11b33e838606c80c6a4b1714d7cb74471a9be979393c225fb572c58e8b2847880eeca29f5b8ea1583", @ANYRES16=0x0, @ANYBLOB="000000000000020000000100000f"], 0x14}}, 0x0) 04:41:36 executing program 3: ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f00000000c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x3}}, './file0\x00'}) ioctl$MEDIA_IOC_G_TOPOLOGY(0xffffffffffffffff, 0xc0487c04, &(0x7f0000000140)={0x0, 0x6, 0x0, &(0x7f00000002c0)=[{}, {}, {}, {}, {0x80000000}, {}], 0x4, 0x0, &(0x7f0000000500)=[{}, {}, {}, {}], 0x9, 0x0, &(0x7f00000006c0)=[{}, {}, {}, {}, {}, {}, {}, {}, {}], 0xa, 0x0, &(0x7f0000000800)=[{}, {}, {}, {}, {}, {}, {}, {}, {}, {}]}) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000a80)={0x80000000, &(0x7f00000009c0), &(0x7f0000000a00)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_SETUP_LINK(r0, 0xc0347c03, &(0x7f0000000ac0)={{r1, 0x0, 0x5, [0x7f, 0x8]}, {r2, 0x0, 0x7, [0x80000001, 0x6]}, 0x4, [0x7, 0xfffffffc]}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="00000000089463648423d4f7c313acd6c23281892b1070f79bae195ed0a57d32181cf95ce8977b01dc88858d882f13ee7bc688a6895f5c7a7188b0fc7bb01ba5192a196c48869c799abc0a38056e317cd3e47db6b055209f37df18c56a2b9962684a3f6d6e93d510dc65b77182b58903db1c816b7990", @ANYRES16=r4, @ANYBLOB="01042bbd700000000000010000000c000400ff030000000000000c00040001040000000000000c00030001000000000000800c00030001000100000000000c000400ebe80000000000000c0006000300000000000000"], 0x5c}, 0x1, 0x0, 0x0, 0x44008}, 0x0) setsockopt$CAIFSO_LINK_SELECT(0xffffffffffffffff, 0x116, 0x7f, &(0x7f0000000080)=0x726e, 0x4) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f00000000c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x3}}, './file0\x00'}) (async) ioctl$MEDIA_IOC_G_TOPOLOGY(0xffffffffffffffff, 0xc0487c04, &(0x7f0000000140)={0x0, 0x6, 0x0, &(0x7f00000002c0)=[{}, {}, {}, {}, {}, {}], 0x4, 0x0, &(0x7f0000000500)=[{}, {}, {}, {}], 0x9, 0x0, &(0x7f00000006c0)=[{}, {}, {}, {}, {}, {}, {}, {}, {}], 0xa, 0x0, &(0x7f0000000800)=[{}, {}, {}, {}, {}, {}, {}, {}, {}, {}]}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000a80)={0x80000000, &(0x7f00000009c0), &(0x7f0000000a00)}) (async) ioctl$MEDIA_IOC_SETUP_LINK(r0, 0xc0347c03, &(0x7f0000000ac0)={{r1, 0x0, 0x5, [0x7f, 0x8]}, {r2, 0x0, 0x7, [0x80000001, 0x6]}, 0x4, [0x7, 0xfffffffc]}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="00000000089463648423d4f7c313acd6c23281892b1070f79bae195ed0a57d32181cf95ce8977b01dc88858d882f13ee7bc688a6895f5c7a7188b0fc7bb01ba5192a196c48869c799abc0a38056e317cd3e47db6b055209f37df18c56a2b9962684a3f6d6e93d510dc65b77182b58903db1c816b7990", @ANYRES16=r4, @ANYBLOB="01042bbd700000000000010000000c000400ff030000000000000c00040001040000000000000c00030001000000000000800c00030001000100000000000c000400ebe80000000000000c0006000300000000000000"], 0x5c}, 0x1, 0x0, 0x0, 0x44008}, 0x0) (async) setsockopt$CAIFSO_LINK_SELECT(0xffffffffffffffff, 0x116, 0x7f, &(0x7f0000000080)=0x726e, 0x4) (async) 04:41:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) 04:41:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) (rerun: 32) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x2c, r2, 0x20, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}]}, 0x2c}}, 0x4000000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}, 0x1, 0x0, 0x0, 0x4008800}, 0x0) 04:41:36 executing program 3: ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f00000000c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x3}}, './file0\x00'}) (async) ioctl$MEDIA_IOC_G_TOPOLOGY(0xffffffffffffffff, 0xc0487c04, &(0x7f0000000140)={0x0, 0x6, 0x0, &(0x7f00000002c0)=[{}, {}, {}, {}, {0x80000000}, {}], 0x4, 0x0, &(0x7f0000000500)=[{}, {}, {}, {}], 0x9, 0x0, &(0x7f00000006c0)=[{}, {}, {}, {}, {}, {}, {}, {}, {}], 0xa, 0x0, &(0x7f0000000800)=[{}, {}, {}, {}, {}, {}, {}, {}, {}, {}]}) (async) ioctl$MEDIA_IOC_ENUM_LINKS(0xffffffffffffffff, 0xc0287c02, &(0x7f0000000a80)={0x80000000, &(0x7f00000009c0), &(0x7f0000000a00)=[{}, {{}, {0x80000000}}]}) ioctl$MEDIA_IOC_SETUP_LINK(r0, 0xc0347c03, &(0x7f0000000ac0)={{r1, 0x0, 0x5, [0x7f, 0x8]}, {r2, 0x0, 0x7, [0x80000001, 0x6]}, 0x4, [0x7, 0xfffffffc]}) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="00000000089463648423d4f7c313acd6c23281892b1070f79bae195ed0a57d32181cf95ce8977b01dc88858d882f13ee7bc688a6895f5c7a7188b0fc7bb01ba5192a196c48869c799abc0a38056e317cd3e47db6b055209f37df18c56a2b9962684a3f6d6e93d510dc65b77182b58903db1c816b7990", @ANYRES16=r4, @ANYBLOB="01042bbd700000000000010000000c000400ff030000000000000c00040001040000000000000c00030001000000000000800c00030001000100000000000c000400ebe80000000000000c0006000300000000000000"], 0x5c}, 0x1, 0x0, 0x0, 0x44008}, 0x0) (async, rerun: 64) setsockopt$CAIFSO_LINK_SELECT(0xffffffffffffffff, 0x116, 0x7f, &(0x7f0000000080)=0x726e, 0x4) (rerun: 64) [ 2933.139646] nbd: must specify a device to reconfigure 04:41:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x2c, r2, 0x20, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}]}, 0x2c}}, 0x4000000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}, 0x1, 0x0, 0x0, 0x4008800}, 0x0) 04:41:36 executing program 2: r0 = socket(0x1a, 0x800, 0x101) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f0000000040)=0x8001, 0x4) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r1, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) ioctl$BTRFS_IOC_RM_DEV_V2(0xffffffffffffffff, 0x5000943a, &(0x7f0000000180)={{r1}, 0x0, 0x10, @unused=[0x6, 0x3f, 0x2, 0x3], @devid}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)={0x14, 0x0, 0x0, 0x0, 0x25dfdbfd}, 0x14}}, 0x4000050) 04:41:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, 0x0, 0x0) 04:41:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) 04:41:36 executing program 4: ioctl$SW_SYNC_IOC_INC(0xffffffffffffffff, 0x40045701, &(0x7f0000000200)=0x31a7) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="1431c32f", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000040)={&(0x7f0000000180)={0x5c, r2, 0x300, 0x70bd2c, 0x27dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6a9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}]}, 0x5c}, 0x1, 0x0, 0x0, 0x80}, 0x20044000) 04:41:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) r3 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r3, 0xc0189375, &(0x7f00000003c0)=ANY=[@ANYBLOB="01000000010000001800000092e558884cf66dccf8cd8167c8323387524b0d31c715a7bb9c277a1d272ceff024c1e0577d88b06069d873a132ee1d3aaec9048d0191067292f6ee7fcbdb2771671583d50c3da2ad095c1c6330ff5d15faef66ae6d998dd92d651719e281b47c00"/122, @ANYRES32, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00./file0\x00']) ioctl$AUTOFS_DEV_IOCTL_FAIL(r3, 0xc0189377, &(0x7f00000002c0)={{0x1, 0x1, 0x18, r2, {0x7ff, 0x2}}, './file0/file0\x00'}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(r2, 0xc018937d, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r2, {0x7637}}, './file0\x00'}) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000300)={0xffffffffffffffc1, 0x0, 0x1}) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(r2, 0xc0189374, &(0x7f0000000180)={{0x1, 0x1, 0x18, r2, {0x3}}, './file0\x00'}) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x58, r1, 0x400, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}]}, 0x58}, 0x1, 0x0, 0x0, 0x4081}, 0x20008010) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r2, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r6, 0xc0189375, &(0x7f0000000340)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYRES8=r2, @ANYRES16=r1, @ANYBLOB="0104000000000000000001000000"], 0x14}}, 0x0) 04:41:36 executing program 2: socket(0x1a, 0x800, 0x101) (async) r0 = socket(0x1a, 0x800, 0x101) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f0000000040)=0x8001, 0x4) openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) (async) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r1, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) ioctl$BTRFS_IOC_RM_DEV_V2(0xffffffffffffffff, 0x5000943a, &(0x7f0000000180)={{r1}, 0x0, 0x10, @unused=[0x6, 0x3f, 0x2, 0x3], @devid}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)={0x14, 0x0, 0x0, 0x0, 0x25dfdbfd}, 0x14}}, 0x4000050) 04:41:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, 0x0, 0x0) 04:41:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) r3 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r3, 0xc0189375, &(0x7f00000003c0)=ANY=[@ANYBLOB="01000000010000001800000092e558884cf66dccf8cd8167c8323387524b0d31c715a7bb9c277a1d272ceff024c1e0577d88b06069d873a132ee1d3aaec9048d0191067292f6ee7fcbdb2771671583d50c3da2ad095c1c6330ff5d15faef66ae6d998dd92d651719e281b47c00"/122, @ANYRES32, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00./file0\x00']) ioctl$AUTOFS_DEV_IOCTL_FAIL(r3, 0xc0189377, &(0x7f00000002c0)={{0x1, 0x1, 0x18, r2, {0x7ff, 0x2}}, './file0/file0\x00'}) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(r2, 0xc018937d, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r2, {0x7637}}, './file0\x00'}) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000300)={0xffffffffffffffc1, 0x0, 0x1}) (async) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(r2, 0xc0189374, &(0x7f0000000180)={{0x1, 0x1, 0x18, r2, {0x3}}, './file0\x00'}) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x58, r1, 0x400, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}]}, 0x58}, 0x1, 0x0, 0x0, 0x4081}, 0x20008010) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r2, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r6, 0xc0189375, &(0x7f0000000340)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYRES8=r2, @ANYRES16=r1, @ANYBLOB="0104000000000000000001000000"], 0x14}}, 0x0) 04:41:36 executing program 4: ioctl$SW_SYNC_IOC_INC(0xffffffffffffffff, 0x40045701, &(0x7f0000000200)=0x31a7) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="1431c32f", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000040)={&(0x7f0000000180)={0x5c, r2, 0x300, 0x70bd2c, 0x27dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6a9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}]}, 0x5c}, 0x1, 0x0, 0x0, 0x80}, 0x20044000) ioctl$SW_SYNC_IOC_INC(0xffffffffffffffff, 0x40045701, &(0x7f0000000200)=0x31a7) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="1431c32f", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000040)={&(0x7f0000000180)={0x5c, r2, 0x300, 0x70bd2c, 0x27dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6a9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}]}, 0x5c}, 0x1, 0x0, 0x0, 0x80}, 0x20044000) (async) 04:41:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:36 executing program 2: r0 = socket(0x1a, 0x800, 0x101) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f0000000040)=0x8001, 0x4) (async) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r1, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) ioctl$BTRFS_IOC_RM_DEV_V2(0xffffffffffffffff, 0x5000943a, &(0x7f0000000180)={{r1}, 0x0, 0x10, @unused=[0x6, 0x3f, 0x2, 0x3], @devid}) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)={0x14, 0x0, 0x0, 0x0, 0x25dfdbfd}, 0x14}}, 0x4000050) 04:41:36 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) r3 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r3, 0xc0189375, &(0x7f00000003c0)=ANY=[@ANYBLOB="01000000010000001800000092e558884cf66dccf8cd8167c8323387524b0d31c715a7bb9c277a1d272ceff024c1e0577d88b06069d873a132ee1d3aaec9048d0191067292f6ee7fcbdb2771671583d50c3da2ad095c1c6330ff5d15faef66ae6d998dd92d651719e281b47c00"/122, @ANYRES32, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00./file0\x00']) ioctl$AUTOFS_DEV_IOCTL_FAIL(r3, 0xc0189377, &(0x7f00000002c0)={{0x1, 0x1, 0x18, r2, {0x7ff, 0x2}}, './file0/file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_FAIL(r3, 0xc0189377, &(0x7f00000002c0)={{0x1, 0x1, 0x18, r2, {0x7ff, 0x2}}, './file0/file0\x00'}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(r2, 0xc018937d, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r2, {0x7637}}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(r2, 0xc018937d, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r2, {0x7637}}, './file0\x00'}) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000300)={0xffffffffffffffc1, 0x0, 0x1}) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(r2, 0xc0189374, &(0x7f0000000180)={{0x1, 0x1, 0x18, r2, {0x3}}, './file0\x00'}) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x58, r1, 0x400, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}]}, 0x58}, 0x1, 0x0, 0x0, 0x4081}, 0x20008010) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r2, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r2, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r6, 0xc0189375, &(0x7f0000000340)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYRES8=r2, @ANYRES16=r1, @ANYBLOB="0104000000000000000001000000"], 0x14}}, 0x0) 04:41:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, 0x0, 0x0) 04:41:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x40, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x40}}, 0x0) 04:41:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x35}, 0x14}}, 0x0) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x6c, r1, 0x1, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xa}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, '$-:\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1b}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_DOMAIN={0xc, 0x1, '[(!%)\'}\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @local}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}]}, 0x6c}}, 0x5) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) 04:41:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) 04:41:36 executing program 3: r0 = msgget(0x0, 0x0) msgctl$MSG_INFO(r0, 0xc, &(0x7f00000000c0)=""/225) msgctl$IPC_SET(r0, 0x1, &(0x7f0000000180)={{0x2, 0xffffffffffffffff, 0x0, 0x0, 0xee00, 0x44, 0x40}, 0x0, 0x0, 0x6, 0x4, 0x100, 0xae, 0x1ff, 0x3f, 0x0, 0x2, 0x0, 0xffffffffffffffff}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x14, r2, 0x401, 0xfffffffc}, 0x14}}, 0x10) 04:41:36 executing program 4: ioctl$SW_SYNC_IOC_INC(0xffffffffffffffff, 0x40045701, &(0x7f0000000200)=0x31a7) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="1431c32f", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000040)={&(0x7f0000000180)={0x5c, r2, 0x300, 0x70bd2c, 0x27dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6a9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}]}, 0x5c}, 0x1, 0x0, 0x0, 0x80}, 0x20044000) 04:41:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="c5000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x54, 0x0, 0x10, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}]}, 0x54}, 0x1, 0x0, 0x0, 0x200c0040}, 0x3dcf3cb22567e08e) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r3, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x3c, r2, 0x200, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8800}, 0x0) 04:41:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, 0x0}, 0x0) [ 2933.524309] nbd: must specify at least one socket 04:41:37 executing program 3: r0 = msgget(0x0, 0x0) msgctl$MSG_INFO(r0, 0xc, &(0x7f00000000c0)=""/225) msgctl$IPC_SET(r0, 0x1, &(0x7f0000000180)={{0x2, 0xffffffffffffffff, 0x0, 0x0, 0xee00, 0x44, 0x40}, 0x0, 0x0, 0x6, 0x4, 0x100, 0xae, 0x1ff, 0x3f, 0x0, 0x2, 0x0, 0xffffffffffffffff}) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x14, r2, 0x401, 0xfffffffc}, 0x14}}, 0x10) 04:41:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x35}, 0x14}}, 0x0) (async) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x6c, r1, 0x1, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xa}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, '$-:\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1b}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_DOMAIN={0xc, 0x1, '[(!%)\'}\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @local}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}]}, 0x6c}}, 0x5) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) 04:41:37 executing program 4: ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000040)=ANY=[@ANYBLOB="010200000100000018000000", @ANYRES32=0xffffffffffffffff, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00./file0\x00']) bind$packet(r0, &(0x7f00000000c0)={0x11, 0x5, 0x0, 0x1, 0x2, 0x6, @link_local}, 0x14) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}, 0x1, 0x0, 0x0, 0x40080d0}, 0x0) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r2, 0x40087705, 0x0) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r3, 0x40087705, 0x0) r4 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r4, 0x40087705, 0x0) bind$xdp(r2, &(0x7f0000000180)={0x2c, 0x7, 0x0, 0xb, r4}, 0x10) sendto$packet(r3, &(0x7f0000000b40)="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", 0x1000, 0x4, 0x0, 0x0) 04:41:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="c5000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x54, 0x0, 0x10, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}]}, 0x54}, 0x1, 0x0, 0x0, 0x200c0040}, 0x3dcf3cb22567e08e) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r3, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x3c, r2, 0x200, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8800}, 0x0) 04:41:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, 0x0}, 0x0) 04:41:37 executing program 4: ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000040)=ANY=[@ANYBLOB="010200000100000018000000", @ANYRES32=0xffffffffffffffff, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00./file0\x00']) bind$packet(r0, &(0x7f00000000c0)={0x11, 0x5, 0x0, 0x1, 0x2, 0x6, @link_local}, 0x14) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}, 0x1, 0x0, 0x0, 0x40080d0}, 0x0) (async) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r2, 0x40087705, 0x0) (async) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r3, 0x40087705, 0x0) r4 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r4, 0x40087705, 0x0) bind$xdp(r2, &(0x7f0000000180)={0x2c, 0x7, 0x0, 0xb, r4}, 0x10) sendto$packet(r3, &(0x7f0000000b40)="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", 0x1000, 0x4, 0x0, 0x0) 04:41:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x35}, 0x14}}, 0x0) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x6c, r1, 0x1, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xa}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, '$-:\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1b}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_DOMAIN={0xc, 0x1, '[(!%)\'}\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @local}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}]}, 0x6c}}, 0x5) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) [ 2933.660566] nbd: must specify at least one socket 04:41:37 executing program 3: r0 = msgget(0x0, 0x0) msgctl$MSG_INFO(r0, 0xc, &(0x7f00000000c0)=""/225) (async) msgctl$IPC_SET(r0, 0x1, &(0x7f0000000180)={{0x2, 0xffffffffffffffff, 0x0, 0x0, 0xee00, 0x44, 0x40}, 0x0, 0x0, 0x6, 0x4, 0x100, 0xae, 0x1ff, 0x3f, 0x0, 0x2, 0x0, 0xffffffffffffffff}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x14, r2, 0x401, 0xfffffffc}, 0x14}}, 0x10) 04:41:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x74, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @multicast1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1d}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}]}, 0x74}}, 0x4080000) 04:41:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, 0x0}, 0x0) 04:41:37 executing program 4: ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000040)=ANY=[@ANYBLOB="010200000100000018000000", @ANYRES32=0xffffffffffffffff, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00./file0\x00']) (async) bind$packet(r0, &(0x7f00000000c0)={0x11, 0x5, 0x0, 0x1, 0x2, 0x6, @link_local}, 0x14) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}, 0x1, 0x0, 0x0, 0x40080d0}, 0x0) (async) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r2, 0x40087705, 0x0) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r3, 0x40087705, 0x0) r4 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r4, 0x40087705, 0x0) bind$xdp(r2, &(0x7f0000000180)={0x2c, 0x7, 0x0, 0xb, r4}, 0x10) (async, rerun: 32) sendto$packet(r3, &(0x7f0000000b40)="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", 0x1000, 0x4, 0x0, 0x0) (rerun: 32) 04:41:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) [ 2933.773809] nbd: must specify at least one socket 04:41:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r4, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, r4, 0x800, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x4000010) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) 04:41:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x20, 0x0, 0x10, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x880}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r5, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x28, r4, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x20008084}, 0x21) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r8, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000500)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x2c, r8, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000080}, 0x4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x34, r4, 0x200, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1e}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x34}, 0x1, 0x0, 0x0, 0x200080c4}, 0x8008000) 04:41:37 executing program 5: r0 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, r0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={0x0}}, 0x0) 04:41:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002100000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x1, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0x30}}, 0x8000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=ANY=[@ANYBLOB="0f000000", @ANYRES16=0x0, @ANYBLOB="000054e100000000000001001ce6e8ca40720cb12d5adaed0000"], 0x14}}, 0x0) r3 = syz_open_dev$vbi(&(0x7f0000000000), 0x3, 0x2) ioctl$VIDIOC_TRY_ENCODER_CMD(r3, 0xc028564e, &(0x7f0000000040)={0x1, 0x0, [0x0, 0x401, 0x2, 0x4, 0x6, 0x8, 0xffff, 0x8]}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r0) sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, r4, 0x0, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1a}]}, 0x1c}, 0x1, 0x0, 0x0, 0x48001}, 0x4000004) 04:41:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) [ 2933.876477] nbd: must specify at least one socket 04:41:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={0x0}}, 0x0) 04:41:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r4, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, r4, 0x800, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x4000010) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r4, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, r4, 0x800, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x4000010) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) 04:41:37 executing program 5: r0 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, r0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:37 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002100000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x1, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0x30}}, 0x8000) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x1, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0x30}}, 0x8000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=ANY=[@ANYBLOB="0f000000", @ANYRES16=0x0, @ANYBLOB="000054e100000000000001001ce6e8ca40720cb12d5adaed0000"], 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=ANY=[@ANYBLOB="0f000000", @ANYRES16=0x0, @ANYBLOB="000054e100000000000001001ce6e8ca40720cb12d5adaed0000"], 0x14}}, 0x0) r3 = syz_open_dev$vbi(&(0x7f0000000000), 0x3, 0x2) ioctl$VIDIOC_TRY_ENCODER_CMD(r3, 0xc028564e, &(0x7f0000000040)={0x1, 0x0, [0x0, 0x401, 0x2, 0x4, 0x6, 0x8, 0xffff, 0x8]}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r0) (async) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r0) sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, r4, 0x0, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1a}]}, 0x1c}, 0x1, 0x0, 0x0, 0x48001}, 0x4000004) 04:41:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002100000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x1, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0x30}}, 0x8000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=ANY=[@ANYBLOB="0f000000", @ANYRES16=0x0, @ANYBLOB="000054e100000000000001001ce6e8ca40720cb12d5adaed0000"], 0x14}}, 0x0) r3 = syz_open_dev$vbi(&(0x7f0000000000), 0x3, 0x2) ioctl$VIDIOC_TRY_ENCODER_CMD(r3, 0xc028564e, &(0x7f0000000040)={0x1, 0x0, [0x0, 0x401, 0x2, 0x4, 0x6, 0x8, 0xffff, 0x8]}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r0) sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, r4, 0x0, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1a}]}, 0x1c}, 0x1, 0x0, 0x0, 0x48001}, 0x4000004) 04:41:37 executing program 2: 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$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x20, 0x0, 0x10, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x880}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r5, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x28, r4, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x20008084}, 0x21) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r8, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000500)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x2c, r8, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000080}, 0x4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x34, r4, 0x200, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1e}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x34}, 0x1, 0x0, 0x0, 0x200080c4}, 0x8008000) 04:41:37 executing program 5: r0 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, r0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={0x0}}, 0x0) 04:41:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002100000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x1, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0x30}}, 0x8000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=ANY=[@ANYBLOB="0f000000", @ANYRES16=0x0, @ANYBLOB="000054e100000000000001001ce6e8ca40720cb12d5adaed0000"], 0x14}}, 0x0) r3 = syz_open_dev$vbi(&(0x7f0000000000), 0x3, 0x2) ioctl$VIDIOC_TRY_ENCODER_CMD(r3, 0xc028564e, &(0x7f0000000040)={0x1, 0x0, [0x0, 0x401, 0x2, 0x4, 0x6, 0x8, 0xffff, 0x8]}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r0) sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, r4, 0x0, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1a}]}, 0x1c}, 0x1, 0x0, 0x0, 0x48001}, 0x4000004) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002100000"], 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x1, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0x30}}, 0x8000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=ANY=[@ANYBLOB="0f000000", @ANYRES16=0x0, @ANYBLOB="000054e100000000000001001ce6e8ca40720cb12d5adaed0000"], 0x14}}, 0x0) (async) syz_open_dev$vbi(&(0x7f0000000000), 0x3, 0x2) (async) ioctl$VIDIOC_TRY_ENCODER_CMD(r3, 0xc028564e, &(0x7f0000000040)={0x1, 0x0, [0x0, 0x401, 0x2, 0x4, 0x6, 0x8, 0xffff, 0x8]}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r0) (async) sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, r4, 0x0, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1a}]}, 0x1c}, 0x1, 0x0, 0x0, 0x48001}, 0x4000004) (async) [ 2934.009072] nbd: must specify at least one socket 04:41:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002100000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x1, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0x30}}, 0x8000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=ANY=[@ANYBLOB="0f000000", @ANYRES16=0x0, @ANYBLOB="000054e100000000000001001ce6e8ca40720cb12d5adaed0000"], 0x14}}, 0x0) r3 = syz_open_dev$vbi(&(0x7f0000000000), 0x3, 0x2) ioctl$VIDIOC_TRY_ENCODER_CMD(r3, 0xc028564e, &(0x7f0000000040)={0x1, 0x0, [0x0, 0x401, 0x2, 0x4, 0x6, 0x8, 0xffff, 0x8]}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r0) sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, r4, 0x0, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1a}]}, 0x1c}, 0x1, 0x0, 0x0, 0x48001}, 0x4000004) 04:41:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x20, 0x0, 0x10, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x880}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r5, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x28, r4, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x20008084}, 0x21) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r8, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000500)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x2c, r8, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000080}, 0x4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x34, r4, 0x200, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1e}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x34}, 0x1, 0x0, 0x0, 0x200080c4}, 0x8008000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x20, 0x0, 0x10, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x880}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r5, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x28, r4, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x20008084}, 0x21) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) (async) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r8, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000500)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x2c, r8, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000080}, 0x4) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x34, r4, 0x200, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1e}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x34}, 0x1, 0x0, 0x0, 0x200080c4}, 0x8008000) (async) 04:41:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(0x0, r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x54, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) 04:41:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r4, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, r4, 0x800, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x4000010) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) 04:41:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(0x0, r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x14}, 0x14}}, 0x404c081) 04:41:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002100000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x1, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0x30}}, 0x8000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=ANY=[@ANYBLOB="0f000000", @ANYRES16=0x0, @ANYBLOB="000054e100000000000001001ce6e8ca40720cb12d5adaed0000"], 0x14}}, 0x0) r3 = syz_open_dev$vbi(&(0x7f0000000000), 0x3, 0x2) ioctl$VIDIOC_TRY_ENCODER_CMD(r3, 0xc028564e, &(0x7f0000000040)={0x1, 0x0, [0x0, 0x401, 0x2, 0x4, 0x6, 0x8, 0xffff, 0x8]}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r0) sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, r4, 0x0, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1a}]}, 0x1c}, 0x1, 0x0, 0x0, 0x48001}, 0x4000004) 04:41:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x54, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) 04:41:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x14}, 0x14}}, 0x404c081) 04:41:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002100000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x1, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0x30}}, 0x8000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=ANY=[@ANYBLOB="0f000000", @ANYRES16=0x0, @ANYBLOB="000054e100000000000001001ce6e8ca40720cb12d5adaed0000"], 0x14}}, 0x0) r3 = syz_open_dev$vbi(&(0x7f0000000000), 0x3, 0x2) ioctl$VIDIOC_TRY_ENCODER_CMD(r3, 0xc028564e, &(0x7f0000000040)={0x1, 0x0, [0x0, 0x401, 0x2, 0x4, 0x6, 0x8, 0xffff, 0x8]}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r0) 04:41:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(0x0, r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x54, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) 04:41:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x34, 0x0, 0x300, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}]}, 0x34}, 0x1, 0x0, 0x0, 0x2400c8c8}, 0x4010) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x35}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x1c, 0x0, 0x2, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x11}]}, 0x1c}, 0x1, 0x0, 0x0, 0x800}, 0x4000000) [ 2934.234556] nbd: must specify at least one socket 04:41:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x5c, r3, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x200}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xd59}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7fffffffffffffff}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r4, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x24, 0x0, 0x10, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x4000000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0110e97b15add37118755bf601003a48"], 0x14}}, 0x0) openat$sw_sync(0xffffffffffffff9c, &(0x7f0000000080), 0x161040, 0x0) 04:41:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x14}, 0x14}}, 0x404c081) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x14}, 0x14}}, 0x404c081) 04:41:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002100000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x1, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0x30}}, 0x8000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=ANY=[@ANYBLOB="0f000000", @ANYRES16=0x0, @ANYBLOB="000054e100000000000001001ce6e8ca40720cb12d5adaed0000"], 0x14}}, 0x0) r3 = syz_open_dev$vbi(&(0x7f0000000000), 0x3, 0x2) ioctl$VIDIOC_TRY_ENCODER_CMD(r3, 0xc028564e, &(0x7f0000000040)={0x1, 0x0, [0x0, 0x401, 0x2, 0x4, 0x6, 0x8, 0xffff, 0x8]}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) 04:41:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r1, 0x0, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) 04:41:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002100000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x1, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0x30}}, 0x8000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=ANY=[@ANYBLOB="0f000000", @ANYRES16=0x0, @ANYBLOB="000054e100000000000001001ce6e8ca40720cb12d5adaed0000"], 0x14}}, 0x0) r3 = syz_open_dev$vbi(&(0x7f0000000000), 0x3, 0x2) ioctl$VIDIOC_TRY_ENCODER_CMD(r3, 0xc028564e, &(0x7f0000000040)={0x1, 0x0, [0x0, 0x401, 0x2, 0x4, 0x6, 0x8, 0xffff, 0x8]}) 04:41:37 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x5c, r3, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x200}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xd59}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7fffffffffffffff}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r4, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x24, 0x0, 0x10, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x4000000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0110e97b15add37118755bf601003a48"], 0x14}}, 0x0) openat$sw_sync(0xffffffffffffff9c, &(0x7f0000000080), 0x161040, 0x0) 04:41:37 executing program 4: r0 = syz_open_dev$vbi(&(0x7f0000000c40), 0x1, 0x2) ioctl$BTRFS_IOC_SNAP_CREATE_V2(r0, 0x50009417, &(0x7f0000000e80)={{}, 0x0, 0x0, @unused, @name="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"}) ioctl$VIDIOC_TRY_ENCODER_CMD(r0, 0xc028564e, &(0x7f0000000000)={0x3, 0x0, [0x9, 0x7, 0x3, 0xb9, 0x7ff, 0x9, 0x401, 0x4]}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0, {0x8}}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0x14}}, 0x0) 04:41:37 executing program 2: r0 = syz_init_net_socket$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$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x34, 0x0, 0x300, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}]}, 0x34}, 0x1, 0x0, 0x0, 0x2400c8c8}, 0x4010) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x35}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x35}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x1c, 0x0, 0x2, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x11}]}, 0x1c}, 0x1, 0x0, 0x0, 0x800}, 0x4000000) 04:41:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r1, 0x0, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) 04:41:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002100000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x1, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0x30}}, 0x8000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=ANY=[@ANYBLOB="0f000000", @ANYRES16=0x0, @ANYBLOB="000054e100000000000001001ce6e8ca40720cb12d5adaed0000"], 0x14}}, 0x0) syz_open_dev$vbi(&(0x7f0000000000), 0x3, 0x2) 04:41:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x5c, r3, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x200}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xd59}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7fffffffffffffff}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r4, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x24, 0x0, 0x10, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x4000000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0110e97b15add37118755bf601003a48"], 0x14}}, 0x0) openat$sw_sync(0xffffffffffffff9c, &(0x7f0000000080), 0x161040, 0x0) 04:41:37 executing program 4: r0 = syz_open_dev$vbi(&(0x7f0000000c40), 0x1, 0x2) ioctl$BTRFS_IOC_SNAP_CREATE_V2(r0, 0x50009417, &(0x7f0000000e80)={{}, 0x0, 0x0, @unused, @name="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"}) (async) ioctl$VIDIOC_TRY_ENCODER_CMD(r0, 0xc028564e, &(0x7f0000000000)={0x3, 0x0, [0x9, 0x7, 0x3, 0xb9, 0x7ff, 0x9, 0x401, 0x4]}) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0, {0x8}}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0x14}}, 0x0) 04:41:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x34, 0x0, 0x300, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}]}, 0x34}, 0x1, 0x0, 0x0, 0x2400c8c8}, 0x4010) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x35}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x1c, 0x0, 0x2, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x11}]}, 0x1c}, 0x1, 0x0, 0x0, 0x800}, 0x4000000) 04:41:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002100000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x1, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0x30}}, 0x8000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=ANY=[@ANYBLOB="0f000000", @ANYRES16=0x0, @ANYBLOB="000054e100000000000001001ce6e8ca40720cb12d5adaed0000"], 0x14}}, 0x0) 04:41:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r1, 0x0, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) 04:41:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:37 executing program 4: r0 = syz_open_dev$vbi(&(0x7f0000000c40), 0x1, 0x2) ioctl$BTRFS_IOC_SNAP_CREATE_V2(r0, 0x50009417, &(0x7f0000000e80)={{}, 0x0, 0x0, @unused, @name="30c69897a7f2767c754c665aa69ff63ecba53ccf8d7019672dceb6fa195e1478eb8570871aedae857c9e69765e4c486dea2f52b1e95d1ce279c44a0598ad9b4e6ad7aa34c002b10d8a7c1c9051efee73007a63fe9138f3ccb2a3c724eef573cc9aec04a6bd1f54ba8f1578b978e3a66b5c1a443f51df3323d59b7b4b81d76bf7543c9581f9d45628715a719055595a944d0db4541bf6245b2b6c6131a9c6b49fb7f82d2b3d5d0297bab6ff787b4798aba6c6b53baaa58fdffef72848f3c4b8f5d731645f15110f6fccc2243dd079d7d5739438bfb7a75030f8131dffa04d0bb46e541286e0d08bc9b14ab8546ee56cd0189b1c0870b31c89c96f8d6868a8e90e19be01d21f912fc443148167dbf14d76ae91d6472a65679420dc51a75c489b1bdd8665e3e11ae5c4b6d73bef049cf6f7ef74e7569bf1aa5e4d51365e73b4669618e8453f555ed6a9c3addfb33590666321799cd36b90d3d19f8c3b327f600428401ff2f73ea2fb4af92953ebd935b274d2379c26225256566b596b4f5c4d744d49697b23553f9b69e3095896696efedc47f49f745cb436e672df484c98043c0cd6985e06b7d34b6de48e252f85bbe243030d49bfd07a34762721fc252c3d9217573b9ed42370d000d33c5dd8e13b9bd5ba9e79d92bbf9dd8cab34ceefdfec59a52bf70337564c5bffe8a21c1c38dffe8a091d4e795f84626bba902185c1ed0bdec1f7e91221145f3d3360dbdd869fc9dc03c2ce32b755183428f120a48d9685250079b27d18704d011baaac1eaa9321ebf22053c43f73b024650b1d78aaa637537c8f8055b14e0d7cd237d2b3c6f2121121f1533282924532ffa2fbd3860f49729b91043c6e20d491d05e6e2d1769ed0cd7def7f67570a2819af236d49edae9dfa43bfb614d0d7d3f5d5cfca9ca5bb5f7d9c1b65807221152d2e0ef04305bd68b3f22860760dc2c0628f6f9a3b86783d863996f03eaaa0fe11abb31325f9877c2f08b306de2434c38b9fda7409d3a8ef329b7af0b35794a69c4f87dfaf4c32ef12502072ad81e70e323b44a247589313a807138c2a9ac0f12b5fbccb87772db6e0cdbd1244978f01dcbb217e60f5ca7684a15b2936b1f143eafc7e0081915fd4cf259c42f43ae51e4567cce28320afdbe789c752cf21b8fce42fba4b0ff55da073d2a9e60ccfc1ec4dfea41fbdf67b7c1054d168b8779daa475b8be5d4257e3bdf14f234c558ed6867b1610aaf86d6a32800013ba92d772d256fad422a6d917b563361d09a4c1cc0ff549e270940e59d12e2995ba8be2e25242b33437e033bd447c2db70c4571be5c30de14481aa68dee250c694f14adf614c9ec1effa3faeb95c7930d5923af5992764968c49d86e59b4cc2ed658357ba01df6ef37c27d21f258aebecf304fc078aff4e5f14dad297ae3b2c47c27e4675aee7b87dca7846469ab060ecb5f7507a480518f418769bb31c3298d8d8c780eb622d9e04ebbf30c21b122767e9a06b2c48048d4603b1d67197248ffc7029213afd29155c9e049bb029a57bc3cb694e1b68706f07ed80eddfd3248b93ede53f67c955017013e8db4679c8fe5f37afd6a70e05418644fd0c23f780cf71daa17db2ff879bbaae417d827abc327d3c2adfe89e8d03198eb5c8b519e5c6fa5c8d54f6211b02b29d26db51c660ae7f46f8896fc49a1576fb3a0244df35cf6049ae9aa4bdff2ca1aa475419298f3948c77fe93fd6732809265990f7c374cf8982c9c620e494bd2e07af776689c738342a630087175ecc18cdc7edd9e8e73133f425164eea6bee529f60b16dc6c0c133b89e9a4cae95d15c36320c2eba242f64d75007418503364b43b0fe6eb39772f6bb2c13c9956fc4eea2163e23ebd2c1229d62ead4e14082883ac6e0c7a6992baad48e9a146eb16349d21745c6309aee3e7d676850c1543d178f606c5becbf05afed66e55d338b7ce77f608043809f7b81ca56b41556d5f549af5aea49265144eec588f352097c45c3fca93f3c0b07216f6f57ba9e2b9a31b408e48fdff2347427c7489c29d61b6cfe91f4de9c6713873a06c0c33dd57d4862b9531dc0361e591bc5c875212fc41fd79a07b186a92992e3dbaee2cb96c1474abfff71466b0981c92e5495d6263e872db205f95884a36ce2c00d5562d9da82f408f175225606ae4d8975d3728fb880266d45fe9f82d33a10585694af168aa4d100212d91f64d21789876b9a9c7de7c0ae8ca9699bb8674d88a12d6259904533116743563bec7cfc437997a75c43f9f97631d5e8ef2c2e0ee291af438fc173f3db2286dd086a1879435dde1b055da48559e2b13789e7587ee777e42577ac1906896a032ab65b807653235830c19e42bf90b75dc717da64db517e6b3f07b2ec8e3d8985958e176daecd8bd63131e8a921f44e6c463047dd8620d06b0657ed78b80e76d4b58556572ced9dd77d14316f39d5fc5871540f59033bd338b74a8cb8ece29179a3c32eba6df1eab87815899dad5f088b48b2c2203de46834ab6f128f114548d67cfc93312b3eb597d19fcef418e3e1b4654682576f7ec141a8161ac6a2a7dc16f182ecc1c018031966b223e93db2a9128f116b5d6b4426e97ae3e74fc83aa60212060f3ba9f4b9a99fd84651d1108f45e1e5ae00bb3e95dd854d1a2923f08148b255fc406a98cb35792cecd73657fbe472804b6165ef43d1f66b39c259c068c89d700016c430a9b37e7b74fb0328ed4d41e8e26ea94c82d0a744c9c6c66cfec3d731a99511243a1fb22a1ee78ab0b1e5e99f3dfb55854311e24674ba2118fa142a1120a2db5c8f253f3e0fbbf0ae167b0dbf7d0f73d158df2cea73860a2f83a1ead6695e465bcb09594e0fe8f8b6768539543545b1626c949b31b8a5dd3ba8058a6cfa049cb26e2ad10d25e2783193329ded3406d1974ae87428745520ad14bdb7c72c1313cb061354a55818404323f480841c1afe7a0730d2d3c798943daabe783faa87f0508d844cddcc5a2be89a3b8b5d3cde67aac90fd73c8176926128e26a425093d9539bcc0681d51d8ff74f6b41e0889d45f0011626e2d739e83969d503d65362eaec5bde6d7452f971e66ad16455d74d9f655e0b0d0ec1a80c6b6b44882e64deb122e3292ceb3dc33df742e7b30360b877a2d37eaf749d12c2ac378fee53b7b73eb2645f1740ebf91404ca319d116a9e895241b49cec5815455bb24131683ff362972a88a0cb2c3217c18c4bb8c43a45afc5c70a100b3b9e25813c0c1351c2e4123d389dc584dada992ca7ee36d24a80256c1e7482bf85ddf0ef0548b8f44560f36f6ec7fca698ae2a1c058512c7212f4fe604bd5ee15e44fbd1bdc6b8af3f890ce9337f455c7074f89cc9f3713b5fe76c588439f35e6ddd9f74bf16371e8f671c1c429aafa531995973158d29ec99bf129a9444e3214778c56c0d40ed2da148b6490968c84acb15ec924bf8e76e34bea711d6d5c155c31a3417e97dd773918142580ffde3536092b89bb04c29372f201c46006877471461b3be40f53cb044ca5043d84dab9b4cd469be91a90f39b51ca682835bca500345ba7ccd67a29d282ecf3206bf2f11e75c3d32a8f32913d6e93fe467d2cd6a92f29f1585637d625a4c69eae579342ff2c64ed76726ab514c176a564f1be43a3efcf29440d100567425dcb4915db3927b758c076a12083503b8324c4f9bb26f2da2ddaebdf05c7b26678b1aef5d0c6dca56fb7156f71beef4f0ec787dceb0fd014eafa0a2545f6b40fc9ada8356461941e50e32a65d046c2461fe6605b6c323fa51476e30cd5555ffad8b18ade9ea3b3987bbe8618ec40a48a0c3bd79dc3b8fe260529650c43891f6240e349522b38eafee03ce5374da1452f82c0b68e63a65c9f2f4e07e1a8f79cb0873b81207ea4d64a458032981d5c54e89bb5259ff2f83d5340dd294957f629ca0090260f1cf1d4a752b254e31bc7aebc8942d3e13cef0b9f3c7a87631228ef2870c220e94bd0b2ecfeae1fc3967dd1ad1ef3d6894edd242b5738566557963088ac9ceb5665cd0345200bdc6dee36af5fd781d692e490ca7c0d13e499c7b4829664f5cd5f066dea244646afa76b597c1d62d52240069480bf0d8377d6a48ddd2072e241643528bd89b7b578fd926a9eb6568b84f0516cbf631d4147b5f5149cc18d06d2e015c5bd1256d4df4429576854f938fd60cca487f345979af193e03935489f63cbe39ac04dbfd1c89c1ff9779637c936d8981206b4f63c3e58b92697b6e156ea6178c6bfe22650a6ea7072838dda308fcf52831c52a10664417af770e04d2c4bb2249fb98c2c759cb7b04b32143b1dfd7214692377e8c14a325a54dfc2d20a42b22662e83718e78f5a06952af0ece0d8b85dbd16ce28d2ad739e9aba86b15c78a14303aa6ab74042e758f2e80af0d4d2980b76015efcfce24687b0b99c4307fdc983f3068e5f3793273b05132684bb72ea25af9d1425ae9ce77d80fe32ac112cc59305c0f5ac73f5d29bb95f43c5d7d40fb7d9188cb2fbc28902f9acfc71afa160297914183393f2784955502fe652008e0718afeafd42b3d50bebbde106983ede379949f7aa6b070cb0833f480cd06c4edbc3bfbb37ba070e92c3f94133dffeab4a2c2067a820a20e9f7b7ca7ad51a256a3b87bd469196d7c3fd06d6c4f650f2e73162b9811371f40821f717d1c14ca1f6b22c5ceb58181d030dfad72f7747028baff6813b4de0887d3af7462939898b6687302178520d938419345a23c7e01475d24075c5e5b7acacff373563be6ec7ba97056fb37e0899aed82bce8ab16d3ef89d01d540141dffe1e267d32df26f92aa89f923308e6aab5501a2d93e8b594bebad88c8bc2457233555f2e1d36829a7ba2b721282df2d95d78cc41fbe0a13e39dccb2e48988f59a0bfb259848e584285f0e3f5112c182dba2ccbebb525a3a106fbf14ce6219cea1f2e77f920b638e83562c858478b2231bb8a8da3a23a4e449177895d6760a0b79979318a5fccc8d05008099f4db8ffe697133c3d09be7031c82c50dac2b9385d86c3983566953cc5dbd30b09712fac38b320cb54ca0c7fe0bdba3b6075907e2d91d9b865d54c2e5d183ac1b46e4fe326b1be7b5655c97dfa017d286538682c0b49aad5211fd2cc4d63ca7986a852b29cf5b230d3c0828799110b62fc7360c49849d62f96f806a898f858bd5806154b743a42fdf95f4d21e92f9d90d6ab2a8830a14a7b1b1a74c17de27bd1a6b56e7fb910ce1fe5df69bf33ed7f4d11e86870ea325060d732c0b34939bfde1a1b357ac5d161794e9c9c7c21c688f7624458cf4f58cf4ff27060989dd6a689056294ce8467a01cbaa531e2fe7b4b33bdf4cb8104cd64d9d1798a0e5dfc7a801600533339ca93262e0c0f6e28f9d91c11d2d1bb682ffc636c135bbf0e38e0cc4bc8156d1d597281894bfed41b0d652cf2b3dc26a8e9365013519a68cebc8169e6a83f978cc065d2f9a9b54ac997345b296c8ee1e1c62d3b2303a76bd49dc9e8fcce41c5983b2a18416074e1eab079e60197df71f32f1533adffd54ca70443d121a204e2a4d91983a29e7c76c143f7c0d10cd42dd357d9b7508ce7d5d851a29fa85bcbf3c08244802d57888608db16732df500e93a8904417611b6562add5dc63859d8f21bc7c50d597249a492c319dd222b6d1568d407eeac2dc39596da661b3a7b2af3849f72ecd3db36055758af330"}) ioctl$VIDIOC_TRY_ENCODER_CMD(r0, 0xc028564e, &(0x7f0000000000)={0x3, 0x0, [0x9, 0x7, 0x3, 0xb9, 0x7ff, 0x9, 0x401, 0x4]}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0, {0x8}}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0x14}}, 0x0) syz_open_dev$vbi(&(0x7f0000000c40), 0x1, 0x2) (async) ioctl$BTRFS_IOC_SNAP_CREATE_V2(r0, 0x50009417, &(0x7f0000000e80)={{}, 0x0, 0x0, @unused, @name="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"}) (async) ioctl$VIDIOC_TRY_ENCODER_CMD(r0, 0xc028564e, &(0x7f0000000000)={0x3, 0x0, [0x9, 0x7, 0x3, 0xb9, 0x7ff, 0x9, 0x401, 0x4]}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0, {0x8}}, './file0\x00'}) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0x14}}, 0x0) (async) 04:41:38 executing program 2: ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) ioctl$DRM_IOCTL_MODE_GETPLANE(r0, 0xc02064b6, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x1, &(0x7f0000000040)=[0x0]}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000240)=ANY=[@ANYBLOB="022d7e0c163b28486832b43b52cfa72239d19dc8c856061a3e6b23064fa0d8c8aa637cfba100000002000000002aaaec19d5882722c3239e38", @ANYRES16=0x0, @ANYBLOB="0000000400130000080001000000"], 0x14}}, 0x0) openat$cgroup_subtree(r0, &(0x7f0000000180), 0x2, 0x0) openat$cgroup_procs(r0, &(0x7f00000001c0)='cgroup.procs\x00', 0x2, 0x0) 04:41:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = gettid() msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, r3, 0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x4c}}, 0x0) 04:41:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x7c, r1, 0x2, 0x70bd28, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x15}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}]}, 0x7c}, 0x1, 0x0, 0x0, 0x40000}, 0x0) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x40, r2, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x33}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @dev={0xac, 0x14, 0x14, 0x3a}}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x40) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r5, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x40, r4, 0x4, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_DOMAIN={0x4}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\\(%+]\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}]}, 0x40}, 0x1, 0x0, 0x0, 0x20048080}, 0x4000) 04:41:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002100000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x1, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0x30}}, 0x8000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:38 executing program 2: ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) ioctl$DRM_IOCTL_MODE_GETPLANE(r0, 0xc02064b6, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x1, &(0x7f0000000040)=[0x0]}) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000240)=ANY=[@ANYBLOB="022d7e0c163b28486832b43b52cfa72239d19dc8c856061a3e6b23064fa0d8c8aa637cfba100000002000000002aaaec19d5882722c3239e38", @ANYRES16=0x0, @ANYBLOB="0000000400130000080001000000"], 0x14}}, 0x0) openat$cgroup_subtree(r0, &(0x7f0000000180), 0x2, 0x0) openat$cgroup_procs(r0, &(0x7f00000001c0)='cgroup.procs\x00', 0x2, 0x0) 04:41:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = gettid() msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, r3, 0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}]}, 0x44}}, 0x0) [ 2934.609523] nla_parse: 10 callbacks suppressed [ 2934.609531] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2934.631277] nbd: must specify at least one socket 04:41:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x7c, r1, 0x2, 0x70bd28, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x15}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}]}, 0x7c}, 0x1, 0x0, 0x0, 0x40000}, 0x0) (async) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x40, r2, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x33}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @dev={0xac, 0x14, 0x14, 0x3a}}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x40) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r3) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r5, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x40, r4, 0x4, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_DOMAIN={0x4}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\\(%+]\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}]}, 0x40}, 0x1, 0x0, 0x0, 0x20048080}, 0x4000) 04:41:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}]}, 0x44}}, 0x0) 04:41:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = gettid() msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, r3, 0xffffffffffffffff}) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002100000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x1, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0x30}}, 0x8000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, 0x0, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:38 executing program 2: ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) ioctl$DRM_IOCTL_MODE_GETPLANE(r0, 0xc02064b6, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x1, &(0x7f0000000040)=[0x0]}) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000240)=ANY=[@ANYBLOB="022d7e0c163b28486832b43b52cfa72239d19dc8c856061a3e6b23064fa0d8c8aa637cfba100000002000000002aaaec19d5882722c3239e38", @ANYRES16=0x0, @ANYBLOB="0000000400130000080001000000"], 0x14}}, 0x0) (async) openat$cgroup_subtree(r0, &(0x7f0000000180), 0x2, 0x0) (async) openat$cgroup_procs(r0, &(0x7f00000001c0)='cgroup.procs\x00', 0x2, 0x0) 04:41:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002100000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x1, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0x30}}, 0x8000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, 0x0, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}]}, 0x44}}, 0x0) 04:41:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x7c, r1, 0x2, 0x70bd28, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x15}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}]}, 0x7c}, 0x1, 0x0, 0x0, 0x40000}, 0x0) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x40, r2, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x33}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @dev={0xac, 0x14, 0x14, 0x3a}}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x40) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0x14}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r3) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r5, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x40, r4, 0x4, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_DOMAIN={0x4}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\\(%+]\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}]}, 0x40}, 0x1, 0x0, 0x0, 0x20048080}, 0x4000) 04:41:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002100000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x1, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0x30}}, 0x8000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, 0x0, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, 0x0, 0x4080000) 04:41:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x401}, 0x14}}, 0x0) 04:41:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='5\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="005371d486596eb30c752f6ed800"], 0x14}}, 0x0) 04:41:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x4c}}, 0x0) 04:41:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8201404}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x68, r1, 0x300, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x37}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @loopback}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2a}]}, 0x68}, 0x1, 0x0, 0x0, 0x40050}, 0x4000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0x14}}, 0x0) 04:41:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='5\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="005371d486596eb30c752f6ed800"], 0x14}}, 0x0) 04:41:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x401}, 0x14}}, 0x0) 04:41:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002100000"], 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, 0x0, 0x4080000) 04:41:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8201404}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x68, r1, 0x300, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x37}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @loopback}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2a}]}, 0x68}, 0x1, 0x0, 0x0, 0x40050}, 0x4000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0x14}}, 0x0) 04:41:38 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB='5\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="005371d486596eb30c752f6ed800"], 0x14}}, 0x0) 04:41:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x401}, 0x14}}, 0x0) 04:41:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x38}}, 0x0) 04:41:38 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8201404}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x68, r1, 0x300, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x37}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @loopback}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2a}]}, 0x68}, 0x1, 0x0, 0x0, 0x40050}, 0x4000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8201404}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x68, r1, 0x300, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x37}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @loopback}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2a}]}, 0x68}, 0x1, 0x0, 0x0, 0x40050}, 0x4000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0x14}}, 0x0) (async) 04:41:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) 04:41:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, 0x0, 0x4080000) 04:41:38 executing program 2: r0 = msgget(0x0, 0x50) msgctl$IPC_INFO(r0, 0x3, &(0x7f0000000180)=""/71) r1 = openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) ioctl$VIDIOC_S_EDID(r1, 0xc0285629, &(0x7f00000003c0)={0x0, 0x786, 0x5, '\x00', &(0x7f0000000340)=0x6}) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000080)={{0x1, 0x1, 0x18, r1, {0x4}}, './file0\x00'}) r3 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(r2, 0xc018937a, &(0x7f00000004c0)={{0x1, 0x1, 0x18, r2, {0x80}}, './file0\x00'}) r4 = socket$xdp(0x2c, 0x3, 0x0) r5 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r5, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) r6 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r6, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r6, 0xc0189375, &(0x7f00000002c0)={{0x1, 0x1, 0x18, r4}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(r2, 0xc018937d, &(0x7f0000000400)=ANY=[@ANYRESDEC=r1, @ANYRES32=r1, @ANYRESOCT=r3, @ANYRES32=r0]) ioctl$KVM_GET_DEVICE_ATTR(r7, 0x4018aee2, &(0x7f0000000280)={0x0, 0x7fff, 0x9, &(0x7f0000000240)=0x8e7}) ioctl$VIDIOC_G_INPUT(r2, 0x80045626, &(0x7f00000000c0)) r8 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) r9 = msgget(0x0, 0x0) msgctl$MSG_INFO(r9, 0xc, &(0x7f00000000c0)=""/225) msgctl$IPC_INFO(r9, 0x3, &(0x7f0000000440)=""/106) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r8, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(r8, 0xc018937d, &(0x7f0000000300)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x8}}, './file0\x00'}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r10, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000a612e09b2e"], 0x14}}, 0x0) 04:41:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r1, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:38 executing program 4: msgrcv(0x0, &(0x7f0000000180)={0x0, ""/204}, 0xd4, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB=' \x00\b\x00', @ANYRES16=0x0, @ANYBLOB="00010000000000000000010000000c00000000000000"], 0x4a}, 0x1, 0x0, 0x0, 0x4000000}, 0x4009000) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) 04:41:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x4080000) 04:41:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) [ 2935.200001] nbd: must specify at least one socket 04:41:38 executing program 2: r0 = msgget(0x0, 0x50) msgctl$IPC_INFO(r0, 0x3, &(0x7f0000000180)=""/71) (async, rerun: 32) r1 = openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) (rerun: 32) ioctl$VIDIOC_S_EDID(r1, 0xc0285629, &(0x7f00000003c0)={0x0, 0x786, 0x5, '\x00', &(0x7f0000000340)=0x6}) (async) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000080)={{0x1, 0x1, 0x18, r1, {0x4}}, './file0\x00'}) (async, rerun: 32) r3 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) (rerun: 32) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(r2, 0xc018937a, &(0x7f00000004c0)={{0x1, 0x1, 0x18, r2, {0x80}}, './file0\x00'}) (async) r4 = socket$xdp(0x2c, 0x3, 0x0) (async, rerun: 64) r5 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) (rerun: 64) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r5, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) r6 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r6, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r6, 0xc0189375, &(0x7f00000002c0)={{0x1, 0x1, 0x18, r4}, './file0\x00'}) (async, rerun: 32) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(r2, 0xc018937d, &(0x7f0000000400)=ANY=[@ANYRESDEC=r1, @ANYRES32=r1, @ANYRESOCT=r3, @ANYRES32=r0]) (async, rerun: 32) ioctl$KVM_GET_DEVICE_ATTR(r7, 0x4018aee2, &(0x7f0000000280)={0x0, 0x7fff, 0x9, &(0x7f0000000240)=0x8e7}) (async) ioctl$VIDIOC_G_INPUT(r2, 0x80045626, &(0x7f00000000c0)) (async) r8 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) (async) r9 = msgget(0x0, 0x0) msgctl$MSG_INFO(r9, 0xc, &(0x7f00000000c0)=""/225) (async) msgctl$IPC_INFO(r9, 0x3, &(0x7f0000000440)=""/106) (async) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r8, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(r8, 0xc018937d, &(0x7f0000000300)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x8}}, './file0\x00'}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r10, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000a612e09b2e"], 0x14}}, 0x0) 04:41:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) 04:41:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r1, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:38 executing program 4: msgrcv(0x0, &(0x7f0000000180)={0x0, ""/204}, 0xd4, 0x0, 0x0) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB=' \x00\b\x00', @ANYRES16=0x0, @ANYBLOB="00010000000000000000010000000c00000000000000"], 0x4a}, 0x1, 0x0, 0x0, 0x4000000}, 0x4009000) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) 04:41:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x4080000) 04:41:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r1, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) [ 2935.324897] nbd: must specify at least one socket [ 2935.337795] nbd: must specify at least one socket 04:41:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x4080000) 04:41:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) 04:41:38 executing program 4: msgrcv(0x0, &(0x7f0000000180)={0x0, ""/204}, 0xd4, 0x0, 0x0) (async) msgrcv(0x0, &(0x7f0000000180)={0x0, ""/204}, 0xd4, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB=' \x00\b\x00', @ANYRES16=0x0, @ANYBLOB="00010000000000000000010000000c00000000000000"], 0x4a}, 0x1, 0x0, 0x0, 0x4000000}, 0x4009000) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) 04:41:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x24}}, 0x0) 04:41:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r1, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:38 executing program 2: r0 = msgget(0x0, 0x50) msgctl$IPC_INFO(r0, 0x3, &(0x7f0000000180)=""/71) (async) r1 = openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) ioctl$VIDIOC_S_EDID(r1, 0xc0285629, &(0x7f00000003c0)={0x0, 0x786, 0x5, '\x00', &(0x7f0000000340)=0x6}) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000080)={{0x1, 0x1, 0x18, r1, {0x4}}, './file0\x00'}) r3 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(r2, 0xc018937a, &(0x7f00000004c0)={{0x1, 0x1, 0x18, r2, {0x80}}, './file0\x00'}) (async) r4 = socket$xdp(0x2c, 0x3, 0x0) (async) r5 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r5, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) r6 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r6, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r6, 0xc0189375, &(0x7f00000002c0)={{0x1, 0x1, 0x18, r4}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(r2, 0xc018937d, &(0x7f0000000400)=ANY=[@ANYRESDEC=r1, @ANYRES32=r1, @ANYRESOCT=r3, @ANYRES32=r0]) (async) ioctl$KVM_GET_DEVICE_ATTR(r7, 0x4018aee2, &(0x7f0000000280)={0x0, 0x7fff, 0x9, &(0x7f0000000240)=0x8e7}) (async) ioctl$VIDIOC_G_INPUT(r2, 0x80045626, &(0x7f00000000c0)) (async) r8 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) r9 = msgget(0x0, 0x0) msgctl$MSG_INFO(r9, 0xc, &(0x7f00000000c0)=""/225) (async) msgctl$IPC_INFO(r9, 0x3, &(0x7f0000000440)=""/106) (async) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r8, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(r8, 0xc018937d, &(0x7f0000000300)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x8}}, './file0\x00'}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r10, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000a612e09b2e"], 0x14}}, 0x0) 04:41:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000240)=ANY=[], 0x30}, 0x1, 0x0, 0x0, 0x2000c0d1}, 0x4) 04:41:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r1, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x4080000) [ 2935.444311] nbd: must specify at least one socket [ 2935.461743] nbd: must specify at least one socket 04:41:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="1433a400", @ANYRES16=r1, @ANYBLOB="0104000000000000000001000000"], 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x50000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x54, r3, 0x8, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffffb}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x54}, 0x1, 0x0, 0x0, 0x14}, 0x10) 04:41:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r1, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x4080000) 04:41:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000240)=ANY=[], 0x30}, 0x1, 0x0, 0x0, 0x2000c0d1}, 0x4) 04:41:39 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="1433a400", @ANYRES16=r1, @ANYBLOB="0104000000000000000001000000"], 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="1433a400", @ANYRES16=r1, @ANYBLOB="0104000000000000000001000000"], 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x50000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x54, r3, 0x8, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffffb}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x54}, 0x1, 0x0, 0x0, 0x14}, 0x10) 04:41:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="1433a400", @ANYRES16=r1, @ANYBLOB="0104000000000000000001000000"], 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x50000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x54, r3, 0x8, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffffb}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x54}, 0x1, 0x0, 0x0, 0x14}, 0x10) 04:41:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r1, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x4080000) 04:41:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x35}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r8, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r7, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r5, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, r7, 0x0, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8004}, 0x35769a987e12472f) r9 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r9, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000240), 0xc, &(0x7f0000000740)={&(0x7f00000001c0)=ANY=[@ANYBLOB="2400d399d31b439c8187d766ece95e8f4b00008877697898dd9a5b94ad7ec8ec6052997bf7115dce4d591295744912df48ed4beaee05ed284b6b7877c78953663fc9657a52", @ANYRES16=r3, @ANYRESHEX=r9], 0x24}}, 0x804) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x1c, r3, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x15}]}, 0x1c}, 0x1, 0x0, 0x0, 0x24004810}, 0x10000000) 04:41:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000240)=ANY=[], 0x30}, 0x1, 0x0, 0x0, 0x2000c0d1}, 0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000240)=ANY=[], 0x30}, 0x1, 0x0, 0x0, 0x2000c0d1}, 0x4) (async) 04:41:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '['}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}, 0x1, 0x0, 0x0, 0x44040}, 0x18000) 04:41:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x35}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r6) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r8, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r7, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r5, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, r7, 0x0, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8004}, 0x35769a987e12472f) r9 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r9, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000240), 0xc, &(0x7f0000000740)={&(0x7f00000001c0)=ANY=[@ANYBLOB="2400d399d31b439c8187d766ece95e8f4b00008877697898dd9a5b94ad7ec8ec6052997bf7115dce4d591295744912df48ed4beaee05ed284b6b7877c78953663fc9657a52", @ANYRES16=r3, @ANYRESHEX=r9], 0x24}}, 0x804) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x1c, r3, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x15}]}, 0x1c}, 0x1, 0x0, 0x0, 0x24004810}, 0x10000000) 04:41:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:39 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$nbd(0x0, r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="3f00000001a0e75b4749daab9a96f5be894c256a63ed3f4948aead6280ea8c140d9259464508446c4c448df1c1f846ed199c71557fd4e6a5da0f2f2a93ea27669971b349b2ac78eeb2e0befd44a9d68a10c3af2906c4e88f110f4d61e50fa76ed25adde8755d2606c16fa191c236642f8d5451eadc42f68fdd5b16fd7422f0402e58f5defafc7241e384150b9c5ced32e06739868bf04568eafa62337d195fb7d76f16f9471abcb604b6db48de031a0166e0486d58c1696ea1cb", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) [ 2935.812443] nbd: must specify at least one socket 04:41:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '['}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}, 0x1, 0x0, 0x0, 0x44040}, 0x18000) 04:41:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x35}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r6) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r8, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r7, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r5, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, r7, 0x0, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8004}, 0x35769a987e12472f) r9 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r9, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000240), 0xc, &(0x7f0000000740)={&(0x7f00000001c0)=ANY=[@ANYBLOB="2400d399d31b439c8187d766ece95e8f4b00008877697898dd9a5b94ad7ec8ec6052997bf7115dce4d591295744912df48ed4beaee05ed284b6b7877c78953663fc9657a52", @ANYRES16=r3, @ANYRESHEX=r9], 0x24}}, 0x804) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x1c, r3, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x15}]}, 0x1c}, 0x1, 0x0, 0x0, 0x24004810}, 0x10000000) 04:41:39 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$nbd(0x0, r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="3f00000001a0e75b4749daab9a96f5be894c256a63ed3f4948aead6280ea8c140d9259464508446c4c448df1c1f846ed199c71557fd4e6a5da0f2f2a93ea27669971b349b2ac78eeb2e0befd44a9d68a10c3af2906c4e88f110f4d61e50fa76ed25adde8755d2606c16fa191c236642f8d5451eadc42f68fdd5b16fd7422f0402e58f5defafc7241e384150b9c5ced32e06739868bf04568eafa62337d195fb7d76f16f9471abcb604b6db48de031a0166e0486d58c1696ea1cb", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) [ 2935.905967] nbd: must specify at least one socket 04:41:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r1, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x74, 0x0, 0x0, 0xfffffffd, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x81}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x74}}, 0x60080) 04:41:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '['}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}, 0x1, 0x0, 0x0, 0x44040}, 0x18000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '['}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}, 0x1, 0x0, 0x0, 0x44040}, 0x18000) (async) 04:41:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="3f00000001a0e75b4749daab9a96f5be894c256a63ed3f4948aead6280ea8c140d9259464508446c4c448df1c1f846ed199c71557fd4e6a5da0f2f2a93ea27669971b349b2ac78eeb2e0befd44a9d68a10c3af2906c4e88f110f4d61e50fa76ed25adde8755d2606c16fa191c236642f8d5451eadc42f68fdd5b16fd7422f0402e58f5defafc7241e384150b9c5ced32e06739868bf04568eafa62337d195fb7d76f16f9471abcb604b6db48de031a0166e0486d58c1696ea1cb", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="3f00000001a0e75b4749daab9a96f5be894c256a63ed3f4948aead6280ea8c140d9259464508446c4c448df1c1f846ed199c71557fd4e6a5da0f2f2a93ea27669971b349b2ac78eeb2e0befd44a9d68a10c3af2906c4e88f110f4d61e50fa76ed25adde8755d2606c16fa191c236642f8d5451eadc42f68fdd5b16fd7422f0402e58f5defafc7241e384150b9c5ced32e06739868bf04568eafa62337d195fb7d76f16f9471abcb604b6db48de031a0166e0486d58c1696ea1cb", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) 04:41:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, r1, 0x0, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x74, 0x0, 0x0, 0xfffffffd, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x81}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x74}}, 0x60080) [ 2936.021451] nbd: must specify at least one socket 04:41:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0xfffffffffffffd96, &(0x7f0000000100)={&(0x7f0000000080)={0x1}, 0x14}}, 0x0) r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r1, 0x40087705, 0x0) setsockopt$inet_icmp_ICMP_FILTER(r1, 0x1, 0x1, &(0x7f0000000000)={0x2}, 0x4) 04:41:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, r1, 0x0, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:39 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$nbd(&(0x7f0000000400), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r1, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) [ 2936.065240] nbd: must specify at least one socket 04:41:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0xfffffffffffffd96, &(0x7f0000000100)={&(0x7f0000000080)={0x1}, 0x14}}, 0x0) r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r1, 0x40087705, 0x0) (async) setsockopt$inet_icmp_ICMP_FILTER(r1, 0x1, 0x1, &(0x7f0000000000)={0x2}, 0x4) 04:41:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:39 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x74, 0x0, 0x0, 0xfffffffd, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x81}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x74}}, 0x60080) 04:41:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) 04:41:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r1, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, r1, 0x0, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0xfffffffffffffd96, &(0x7f0000000100)={&(0x7f0000000080)={0x1}, 0x14}}, 0x0) r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r1, 0x40087705, 0x0) setsockopt$inet_icmp_ICMP_FILTER(r1, 0x1, 0x1, &(0x7f0000000000)={0x2}, 0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0xfffffffffffffd96, &(0x7f0000000100)={&(0x7f0000000080)={0x1}, 0x14}}, 0x0) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) ioctl$ASHMEM_SET_PROT_MASK(r1, 0x40087705, 0x0) (async) setsockopt$inet_icmp_ICMP_FILTER(r1, 0x1, 0x1, &(0x7f0000000000)={0x2}, 0x4) (async) [ 2936.193720] nbd: must specify at least one socket 04:41:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) 04:41:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x1c}}, 0x4080000) 04:41:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:39 executing program 2: ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000200)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r1, 0x40087705, 0x0) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r2, 0x40087705, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000240)={0x84, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2a}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r0}, {0x8, 0x1, r1}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x84}}, 0x0) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) setsockopt$MRT6_ASSERT(r3, 0x29, 0xcf, &(0x7f00000001c0), 0x4) ioctl$KVM_HAS_DEVICE_ATTR(r3, 0x4018aee3, &(0x7f0000000180)={0x0, 0x8, 0x2, &(0x7f00000000c0)=0x8000000000000000}) ioctl$ASHMEM_SET_PROT_MASK(r3, 0x40087705, 0x0) ioctl$ifreq_SIOCGIFINDEX_wireguard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'wg1\x00', 0x0}) setsockopt$packet_drop_memb(r3, 0x107, 0x2, &(0x7f0000000040)={r4, 0x1, 0x6, @local}, 0x10) 04:41:39 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$nbd(&(0x7f0000000400), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r1, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="0f000000", @ANYRES16=0x0, @ANYBLOB="0001000000000000000000000000fd81bdd5af29bf983862e7730b49d00e2f93daec1e3c605a9870981b46a3a51bc77433aeaac0297abf3853fd22f3a8a4219bed77372ced4b4d1a8909db2d52412d4ba43c7047d65623052dcd3d5b38e1"], 0x14}, 0x1, 0x0, 0x0, 0x4004050}, 0x0) 04:41:39 executing program 2: ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000200)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r1, 0x40087705, 0x0) (async) ioctl$ASHMEM_SET_PROT_MASK(r1, 0x40087705, 0x0) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r2, 0x40087705, 0x0) (async) ioctl$ASHMEM_SET_PROT_MASK(r2, 0x40087705, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000240)={0x84, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2a}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r0}, {0x8, 0x1, r1}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x84}}, 0x0) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) setsockopt$MRT6_ASSERT(r3, 0x29, 0xcf, &(0x7f00000001c0), 0x4) ioctl$KVM_HAS_DEVICE_ATTR(r3, 0x4018aee3, &(0x7f0000000180)={0x0, 0x8, 0x2, &(0x7f00000000c0)=0x8000000000000000}) ioctl$ASHMEM_SET_PROT_MASK(r3, 0x40087705, 0x0) (async) ioctl$ASHMEM_SET_PROT_MASK(r3, 0x40087705, 0x0) ioctl$ifreq_SIOCGIFINDEX_wireguard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'wg1\x00', 0x0}) setsockopt$packet_drop_memb(r3, 0x107, 0x2, &(0x7f0000000040)={r4, 0x1, 0x6, @local}, 0x10) 04:41:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="0f000000", @ANYRES16=0x0, @ANYBLOB="0001000000000000000000000000fd81bdd5af29bf983862e7730b49d00e2f93daec1e3c605a9870981b46a3a51bc77433aeaac0297abf3853fd22f3a8a4219bed77372ced4b4d1a8909db2d52412d4ba43c7047d65623052dcd3d5b38e1"], 0x14}, 0x1, 0x0, 0x0, 0x4004050}, 0x0) [ 2936.312210] nbd: must specify at least one socket 04:41:39 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$nbd(&(0x7f0000000400), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r1, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:39 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x1c}}, 0x4080000) [ 2936.355663] nbd: must specify at least one socket 04:41:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) 04:41:39 executing program 2: ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000200)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r1, 0x40087705, 0x0) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r2, 0x40087705, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000240)={0x84, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2a}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r0}, {0x8, 0x1, r1}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x84}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000240)={0x84, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2a}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r0}, {0x8, 0x1, r1}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x84}}, 0x0) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) setsockopt$MRT6_ASSERT(r3, 0x29, 0xcf, &(0x7f00000001c0), 0x4) ioctl$KVM_HAS_DEVICE_ATTR(r3, 0x4018aee3, &(0x7f0000000180)={0x0, 0x8, 0x2, &(0x7f00000000c0)=0x8000000000000000}) ioctl$ASHMEM_SET_PROT_MASK(r3, 0x40087705, 0x0) ioctl$ifreq_SIOCGIFINDEX_wireguard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'wg1\x00', 0x0}) setsockopt$packet_drop_memb(r3, 0x107, 0x2, &(0x7f0000000040)={r4, 0x1, 0x6, @local}, 0x10) 04:41:39 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$nbd(&(0x7f0000000400), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r1, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x1c}}, 0x4080000) 04:41:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401, 0xdffffffc}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x0) 04:41:39 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x880) [ 2936.440112] nbd: must specify at least one socket 04:41:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="0f000000", @ANYRES16=0x0, @ANYBLOB="0001000000000000000000000000fd81bdd5af29bf983862e7730b49d00e2f93daec1e3c605a9870981b46a3a51bc77433aeaac0297abf3853fd22f3a8a4219bed77372ced4b4d1a8909db2d52412d4ba43c7047d65623052dcd3d5b38e1"], 0x14}, 0x1, 0x0, 0x0, 0x4004050}, 0x0) 04:41:39 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x24}}, 0x4080000) [ 2936.493203] nbd: must specify at least one socket 04:41:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401, 0xdffffffc}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401, 0xdffffffc}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x0) (async) 04:41:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r5, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)=ANY=[@ANYBLOB="84000010", @ANYRES16=r4, @ANYBLOB="040028bd7000fbdbdf250500000008000c000200000008000400ffffffff06000b002200000006000b000500000008000c000300000014000500000000000000000000000000000000000f000100272e89282d5e26232928000014000600fe800000000000000000000000000025080007007f00000108000c0002000000"], 0x84}, 0x1, 0x0, 0x0, 0x40000c0}, 0x2400c800) ioctl$ASHMEM_SET_PROT_MASK(r1, 0x40087705, 0x0) setsockopt$XDP_UMEM_FILL_RING(r1, 0x11b, 0x5, &(0x7f0000000000)=0x8, 0x4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x0, 0x0, 0x25dfdbff}, 0x14}}, 0x0) r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_VERSION(r6, 0xc0189371, &(0x7f0000000180)={{0x1, 0x1, 0x18, r1}, './file0\x00'}) r8 = openat$autofs(0xffffffffffffff9c, &(0x7f00000001c0), 0x20a102, 0x0) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r7, 0xc0189378, &(0x7f0000000200)={{0x1, 0x1, 0x18, r6, {r8}}, './file0\x00'}) ioctl$ASHMEM_SET_PROT_MASK(r6, 0x40087705, 0x0) getsockopt$CAN_RAW_LOOPBACK(r6, 0x65, 0x3, &(0x7f0000000040), &(0x7f00000000c0)=0x4) 04:41:39 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x880) 04:41:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000040)={&(0x7f0000000180)={0x4c, 0x0, 0x400, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12a}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4000000}, 0x40000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x35}, 0x14}}, 0x0) 04:41:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x24}}, 0x4080000) [ 2936.589135] nbd: must specify at least one socket 04:41:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r5, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)=ANY=[@ANYBLOB="84000010", @ANYRES16=r4, @ANYBLOB="040028bd7000fbdbdf250500000008000c000200000008000400ffffffff06000b002200000006000b000500000008000c000300000014000500000000000000000000000000000000000f000100272e89282d5e26232928000014000600fe800000000000000000000000000025080007007f00000108000c0002000000"], 0x84}, 0x1, 0x0, 0x0, 0x40000c0}, 0x2400c800) ioctl$ASHMEM_SET_PROT_MASK(r1, 0x40087705, 0x0) setsockopt$XDP_UMEM_FILL_RING(r1, 0x11b, 0x5, &(0x7f0000000000)=0x8, 0x4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x0, 0x0, 0x25dfdbff}, 0x14}}, 0x0) r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_VERSION(r6, 0xc0189371, &(0x7f0000000180)={{0x1, 0x1, 0x18, r1}, './file0\x00'}) r8 = openat$autofs(0xffffffffffffff9c, &(0x7f00000001c0), 0x20a102, 0x0) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r7, 0xc0189378, &(0x7f0000000200)={{0x1, 0x1, 0x18, r6, {r8}}, './file0\x00'}) ioctl$ASHMEM_SET_PROT_MASK(r6, 0x40087705, 0x0) getsockopt$CAN_RAW_LOOPBACK(r6, 0x65, 0x3, &(0x7f0000000040), &(0x7f00000000c0)=0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r5, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)=ANY=[@ANYBLOB="84000010", @ANYRES16=r4, @ANYBLOB="040028bd7000fbdbdf250500000008000c000200000008000400ffffffff06000b002200000006000b000500000008000c000300000014000500000000000000000000000000000000000f000100272e89282d5e26232928000014000600fe800000000000000000000000000025080007007f00000108000c0002000000"], 0x84}, 0x1, 0x0, 0x0, 0x40000c0}, 0x2400c800) (async) ioctl$ASHMEM_SET_PROT_MASK(r1, 0x40087705, 0x0) (async) setsockopt$XDP_UMEM_FILL_RING(r1, 0x11b, 0x5, &(0x7f0000000000)=0x8, 0x4) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x0, 0x0, 0x25dfdbff}, 0x14}}, 0x0) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_VERSION(r6, 0xc0189371, &(0x7f0000000180)={{0x1, 0x1, 0x18, r1}, './file0\x00'}) (async) openat$autofs(0xffffffffffffff9c, &(0x7f00000001c0), 0x20a102, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r7, 0xc0189378, &(0x7f0000000200)={{0x1, 0x1, 0x18, r6, {r8}}, './file0\x00'}) (async) ioctl$ASHMEM_SET_PROT_MASK(r6, 0x40087705, 0x0) (async) getsockopt$CAN_RAW_LOOPBACK(r6, 0x65, 0x3, &(0x7f0000000040), &(0x7f00000000c0)=0x4) (async) 04:41:40 executing program 0: r0 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:40 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x880) [ 2936.635320] nbd: must specify at least one socket 04:41:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x24}}, 0x4080000) 04:41:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401, 0xdffffffc}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x0) 04:41:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000040)={&(0x7f0000000180)={0x4c, 0x0, 0x400, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12a}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4000000}, 0x40000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x35}, 0x14}}, 0x0) 04:41:40 executing program 0: r0 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x0) 04:41:40 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) [ 2936.737600] nbd: must specify at least one socket 04:41:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) 04:41:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000040)={&(0x7f0000000180)={0x4c, 0x0, 0x400, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12a}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4000000}, 0x40000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x35}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x35}, 0x14}}, 0x0) 04:41:40 executing program 0: r0 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r5, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)=ANY=[@ANYBLOB="84000010", @ANYRES16=r4, @ANYBLOB="040028bd7000fbdbdf250500000008000c000200000008000400ffffffff06000b002200000006000b000500000008000c000300000014000500000000000000000000000000000000000f000100272e89282d5e26232928000014000600fe800000000000000000000000000025080007007f00000108000c0002000000"], 0x84}, 0x1, 0x0, 0x0, 0x40000c0}, 0x2400c800) (async) ioctl$ASHMEM_SET_PROT_MASK(r1, 0x40087705, 0x0) (async) setsockopt$XDP_UMEM_FILL_RING(r1, 0x11b, 0x5, &(0x7f0000000000)=0x8, 0x4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x0, 0x0, 0x25dfdbff}, 0x14}}, 0x0) (async) r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_VERSION(r6, 0xc0189371, &(0x7f0000000180)={{0x1, 0x1, 0x18, r1}, './file0\x00'}) r8 = openat$autofs(0xffffffffffffff9c, &(0x7f00000001c0), 0x20a102, 0x0) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r7, 0xc0189378, &(0x7f0000000200)={{0x1, 0x1, 0x18, r6, {r8}}, './file0\x00'}) (async) ioctl$ASHMEM_SET_PROT_MASK(r6, 0x40087705, 0x0) (async) getsockopt$CAN_RAW_LOOPBACK(r6, 0x65, 0x3, &(0x7f0000000040), &(0x7f00000000c0)=0x4) 04:41:40 executing program 5: r0 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:40 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x0, 0x0, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x810}, 0x0) 04:41:40 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) 04:41:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x24}}, 0x4080000) 04:41:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:40 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x200, 0x80000}, 0x14}}, 0x0) 04:41:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) 04:41:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:40 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x0, 0x0, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x810}, 0x0) 04:41:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r1, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x200, 0x80000}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x200, 0x80000}, 0x14}}, 0x0) 04:41:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r2, 0x4, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8}]}, 0x1c}}, 0x80) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000340)=ANY=[@ANYRESHEX=r1], 0x14}}, 0x2000080) bpf$LINK_GET_NEXT_ID(0x1f, &(0x7f0000000080)={0x80, 0x0}, 0x8) bpf$LINK_GET_FD_BY_ID(0x1e, &(0x7f0000000380)=r3, 0x4) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10100358}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x14, r1, 0x70c, 0x70bd2d, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x8040}, 0xc014) 04:41:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:40 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$nbd(&(0x7f0000000400), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r1, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x0, 0x0, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x810}, 0x0) 04:41:40 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r2, 0x4, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8}]}, 0x1c}}, 0x80) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000340)=ANY=[@ANYRESHEX=r1], 0x14}}, 0x2000080) (async) bpf$LINK_GET_NEXT_ID(0x1f, &(0x7f0000000080)={0x80, 0x0}, 0x8) bpf$LINK_GET_FD_BY_ID(0x1e, &(0x7f0000000380)=r3, 0x4) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10100358}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x14, r1, 0x70c, 0x70bd2d, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x8040}, 0xc014) 04:41:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x2c, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x2c}}, 0x4080000) 04:41:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x200, 0x80000}, 0x14}}, 0x0) 04:41:40 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000240)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee00, 0xee01}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(r2, 0xc0189371, &(0x7f0000000400)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) openat$cgroup_ro(r3, &(0x7f0000000440)='blkio.bfq.io_wait_time_recursive\x00', 0x0, 0x0) r4 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r4, 0x40087705, 0x0) ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000280)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x401}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f00000002c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x6c, 0x0, 0x8, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xf18a}]}, 0x6c}, 0x1, 0x0, 0x0, 0x855}, 0x200408c4) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r8 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, r8, 0x400, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x41) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x35}, 0x14}}, 0x0) 04:41:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '['}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x44}, 0x1, 0x0, 0x0, 0x44040}, 0x18000) 04:41:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000240)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee00, 0xee01}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(r2, 0xc0189371, &(0x7f0000000400)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_VERSION(r2, 0xc0189371, &(0x7f0000000400)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) openat$cgroup_ro(r3, &(0x7f0000000440)='blkio.bfq.io_wait_time_recursive\x00', 0x0, 0x0) r4 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r4, 0x40087705, 0x0) ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000280)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x401}}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000280)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x401}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f00000002c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x6c, 0x0, 0x8, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xf18a}]}, 0x6c}, 0x1, 0x0, 0x0, 0x855}, 0x200408c4) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) (async) r8 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, r8, 0x400, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x41) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x35}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x35}, 0x14}}, 0x0) 04:41:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r2, 0x4, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8}]}, 0x1c}}, 0x80) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000340)=ANY=[@ANYRESHEX=r1], 0x14}}, 0x2000080) (async) bpf$LINK_GET_NEXT_ID(0x1f, &(0x7f0000000080)={0x80, 0x0}, 0x8) bpf$LINK_GET_FD_BY_ID(0x1e, &(0x7f0000000380)=r3, 0x4) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10100358}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x14, r1, 0x70c, 0x70bd2d, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x8040}, 0xc014) 04:41:40 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:40 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x4}, 0x880) [ 2937.285455] nbd: must specify at least one socket 04:41:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000240)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee00, 0xee01}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(r2, 0xc0189371, &(0x7f0000000400)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) openat$cgroup_ro(r3, &(0x7f0000000440)='blkio.bfq.io_wait_time_recursive\x00', 0x0, 0x0) r4 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r4, 0x40087705, 0x0) ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000280)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x401}}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000280)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x401}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(0xffffffffffffffff, 0xc0189375, &(0x7f00000002c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x6c, 0x0, 0x8, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xf18a}]}, 0x6c}, 0x1, 0x0, 0x0, 0x855}, 0x200408c4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) (async) r8 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, r8, 0x400, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x41) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, r8, 0x400, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x41) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x35}, 0x14}}, 0x0) 04:41:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r1, 0x40087705, 0x0) ioctl$ifreq_SIOCGIFINDEX_wireguard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'wg1\x00', 0x0}) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r3, 0x40087705, 0x0) bind$xdp(r1, &(0x7f0000000040)={0x2c, 0xa, r2, 0x17, r3}, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)=ANY=[@ANYBLOB="14000100", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002000000"], 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r8, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r7, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000480)={&(0x7f0000000580)={0x6c, r7, 0x4, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_CLPDOI={0x0, 0xc, 0xc2150bc91a5f0902}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_CV4DOI={0x0, 0x4, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_CV4DOI={0x0, 0x4, 0x3}]}, 0x6c}, 0x1, 0x0, 0x0, 0x90}, 0x80) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000340)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB="4e0000403016147a8af305f38f30317ff1da2bab7838401dd8b66d", @ANYRES16=0x0, @ANYBLOB="000326bd7000fcdbdf25030000000c0005000d010000000000000c000000000000000c00039fc12eb04f00010000800000000008000a00776731000000000000000000000000a69de1c1be26810000a45f00"], 0x4c}, 0x1, 0x0, 0x0, 0x4001}, 0x8000) syz_open_dev$radio(&(0x7f0000000380), 0x0, 0x2) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="0f000000", @ANYRES16=0x0, @ANYBLOB="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"], 0x14}, 0x1, 0x0, 0x0, 0xc0000}, 0x0) 04:41:40 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:40 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x40, 0x0, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:40 executing program 3: setsockopt$MRT6_ASSERT(0xffffffffffffffff, 0x29, 0xcf, &(0x7f0000000240)=0x1, 0x4) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000280)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000500)={&(0x7f00000004c0)={0x2c, 0x0, 0x800, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf6}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40100}, 0x1) setsockopt$MRT6_DEL_MFC_PROXY(r1, 0x29, 0xd3, &(0x7f00000002c0)={{0xa, 0x4e21, 0x2, @mcast2, 0x3}, {0xa, 0x4e21, 0x8, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, 0x3f}, 0x0, {[0x0, 0x2, 0x1, 0xfffffffa, 0x10000, 0x2, 0x3, 0x7fffffff]}}, 0x5c) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000000), 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x28, r3, 0x200, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x221}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0xa010) sendmsg$NLBL_MGMT_C_REMOVEDEF(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x44, 0x0, 0x8, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x10}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x4004}, 0x20048000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r2, 0x401}, 0x14}, 0x1, 0x0, 0x0, 0x20008004}, 0x0) 04:41:40 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r1, 0x40087705, 0x0) (async) ioctl$ifreq_SIOCGIFINDEX_wireguard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'wg1\x00', 0x0}) (async, rerun: 64) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (rerun: 64) ioctl$ASHMEM_SET_PROT_MASK(r3, 0x40087705, 0x0) (async) bind$xdp(r1, &(0x7f0000000040)={0x2c, 0xa, r2, 0x17, r3}, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)=ANY=[@ANYBLOB="14000100", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002000000"], 0x14}}, 0x0) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r6) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r8, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r7, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000480)={&(0x7f0000000580)={0x6c, r7, 0x4, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_CLPDOI={0x0, 0xc, 0xc2150bc91a5f0902}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_CV4DOI={0x0, 0x4, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_CV4DOI={0x0, 0x4, 0x3}]}, 0x6c}, 0x1, 0x0, 0x0, 0x90}, 0x80) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000340)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB="4e0000403016147a8af305f38f30317ff1da2bab7838401dd8b66d", @ANYRES16=0x0, @ANYBLOB="000326bd7000fcdbdf25030000000c0005000d010000000000000c000000000000000c00039fc12eb04f00010000800000000008000a00776731000000000000000000000000a69de1c1be26810000a45f00"], 0x4c}, 0x1, 0x0, 0x0, 0x4001}, 0x8000) syz_open_dev$radio(&(0x7f0000000380), 0x0, 0x2) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="0f000000", @ANYRES16=0x0, @ANYBLOB="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"], 0x14}, 0x1, 0x0, 0x0, 0xc0000}, 0x0) 04:41:40 executing program 2: setsockopt$XDP_UMEM_FILL_RING(0xffffffffffffffff, 0x11b, 0x5, &(0x7f00000000c0)=0x10100, 0x4) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c65be80a38f3c56bbadf649bd7b14000000", @ANYRES16=0x0, @ANYBLOB="106e9c75391544ab327171eeaa3e00000000000000000001000000"], 0x14}}, 0x0) bpf$LINK_GET_NEXT_ID(0x1f, &(0x7f0000000000)={0x7, 0x0}, 0x8) bpf$LINK_GET_FD_BY_ID(0x1e, &(0x7f0000000100)=r1, 0x0) 04:41:40 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x40, 0x0, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) [ 2937.443932] nbd: must specify at least one socket 04:41:40 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x40, 0x0, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:40 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x40, 0x0, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:40 executing program 3: setsockopt$MRT6_ASSERT(0xffffffffffffffff, 0x29, 0xcf, &(0x7f0000000240)=0x1, 0x4) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000280)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000500)={&(0x7f00000004c0)={0x2c, 0x0, 0x800, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf6}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40100}, 0x1) setsockopt$MRT6_DEL_MFC_PROXY(r1, 0x29, 0xd3, &(0x7f00000002c0)={{0xa, 0x4e21, 0x2, @mcast2, 0x3}, {0xa, 0x4e21, 0x8, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, 0x3f}, 0x0, {[0x0, 0x2, 0x1, 0xfffffffa, 0x10000, 0x2, 0x3, 0x7fffffff]}}, 0x5c) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000000), 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x28, r3, 0x200, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x221}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0xa010) sendmsg$NLBL_MGMT_C_REMOVEDEF(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x44, 0x0, 0x8, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x10}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x4004}, 0x20048000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r2, 0x401}, 0x14}, 0x1, 0x0, 0x0, 0x20008004}, 0x0) setsockopt$MRT6_ASSERT(0xffffffffffffffff, 0x29, 0xcf, &(0x7f0000000240)=0x1, 0x4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000280)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000500)={&(0x7f00000004c0)={0x2c, 0x0, 0x800, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf6}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40100}, 0x1) (async) setsockopt$MRT6_DEL_MFC_PROXY(r1, 0x29, 0xd3, &(0x7f00000002c0)={{0xa, 0x4e21, 0x2, @mcast2, 0x3}, {0xa, 0x4e21, 0x8, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, 0x3f}, 0x0, {[0x0, 0x2, 0x1, 0xfffffffa, 0x10000, 0x2, 0x3, 0x7fffffff]}}, 0x5c) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000000), 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x28, r3, 0x200, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x221}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0xa010) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x44, 0x0, 0x8, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x10}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x4004}, 0x20048000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r2, 0x401}, 0x14}, 0x1, 0x0, 0x0, 0x20008004}, 0x0) (async) 04:41:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r1, 0x40087705, 0x0) (async) ioctl$ASHMEM_SET_PROT_MASK(r1, 0x40087705, 0x0) ioctl$ifreq_SIOCGIFINDEX_wireguard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'wg1\x00'}) (async) ioctl$ifreq_SIOCGIFINDEX_wireguard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'wg1\x00', 0x0}) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r3, 0x40087705, 0x0) bind$xdp(r1, &(0x7f0000000040)={0x2c, 0xa, r2, 0x17, r3}, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)=ANY=[@ANYBLOB="14000100", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002000000"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r6) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r8, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r7, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000480)={&(0x7f0000000580)={0x6c, r7, 0x4, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_CLPDOI={0x0, 0xc, 0xc2150bc91a5f0902}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_CV4DOI={0x0, 0x4, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_CV4DOI={0x0, 0x4, 0x3}]}, 0x6c}, 0x1, 0x0, 0x0, 0x90}, 0x80) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000340)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB="4e0000403016147a8af305f38f30317ff1da2bab7838401dd8b66d", @ANYRES16=0x0, @ANYBLOB="000326bd7000fcdbdf25030000000c0005000d010000000000000c000000000000000c00039fc12eb04f00010000800000000008000a00776731000000000000000000000000a69de1c1be26810000a45f00"], 0x4c}, 0x1, 0x0, 0x0, 0x4001}, 0x8000) syz_open_dev$radio(&(0x7f0000000380), 0x0, 0x2) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="0f000000", @ANYRES16=0x0, @ANYBLOB="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"], 0x14}, 0x1, 0x0, 0x0, 0xc0000}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="0f000000", @ANYRES16=0x0, @ANYBLOB="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"], 0x14}, 0x1, 0x0, 0x0, 0xc0000}, 0x0) 04:41:41 executing program 2: setsockopt$XDP_UMEM_FILL_RING(0xffffffffffffffff, 0x11b, 0x5, &(0x7f00000000c0)=0x10100, 0x4) (async, rerun: 64) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c65be80a38f3c56bbadf649bd7b14000000", @ANYRES16=0x0, @ANYBLOB="106e9c75391544ab327171eeaa3e00000000000000000001000000"], 0x14}}, 0x0) (async) bpf$LINK_GET_NEXT_ID(0x1f, &(0x7f0000000000)={0x7, 0x0}, 0x8) bpf$LINK_GET_FD_BY_ID(0x1e, &(0x7f0000000100)=r1, 0x0) 04:41:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r1, 0x40087705, 0x0) ioctl$ifreq_SIOCGIFINDEX_wireguard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'wg1\x00', 0x0}) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r3, 0x40087705, 0x0) bind$xdp(r1, &(0x7f0000000040)={0x2c, 0xa, r2, 0x17, r3}, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)=ANY=[@ANYBLOB="14000100", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002000000"], 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r6) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r8, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r7, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000480)={&(0x7f0000000580)={0x6c, r7, 0x4, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_CLPDOI={0x0, 0xc, 0xc2150bc91a5f0902}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_CV4DOI={0x0, 0x4, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_CV4DOI={0x0, 0x4, 0x3}]}, 0x6c}, 0x1, 0x0, 0x0, 0x90}, 0x80) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000340)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB="4e0000403016147a8af305f38f30317ff1da2bab7838401dd8b66d", @ANYRES16=0x0, @ANYBLOB="000326bd7000fcdbdf25030000000c0005000d010000000000000c000000000000000c00039fc12eb04f00010000800000000008000a00776731000000000000000000000000a69de1c1be26810000a45f00"], 0x4c}, 0x1, 0x0, 0x0, 0x4001}, 0x8000) syz_open_dev$radio(&(0x7f0000000380), 0x0, 0x2) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="0f000000", @ANYRES16=0x0, @ANYBLOB="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"], 0x14}, 0x1, 0x0, 0x0, 0xc0000}, 0x0) 04:41:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) [ 2937.612845] nbd: must specify at least one socket 04:41:41 executing program 3: setsockopt$MRT6_ASSERT(0xffffffffffffffff, 0x29, 0xcf, &(0x7f0000000240)=0x1, 0x4) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000280)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000500)={&(0x7f00000004c0)={0x2c, 0x0, 0x800, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf6}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40100}, 0x1) (rerun: 32) setsockopt$MRT6_DEL_MFC_PROXY(r1, 0x29, 0xd3, &(0x7f00000002c0)={{0xa, 0x4e21, 0x2, @mcast2, 0x3}, {0xa, 0x4e21, 0x8, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, 0x3f}, 0x0, {[0x0, 0x2, 0x1, 0xfffffffa, 0x10000, 0x2, 0x3, 0x7fffffff]}}, 0x5c) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async, rerun: 32) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) (rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000000), 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x28, r3, 0x200, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x221}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0xa010) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x44, 0x0, 0x8, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x10}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x4004}, 0x20048000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r2, 0x401}, 0x14}, 0x1, 0x0, 0x0, 0x20008004}, 0x0) 04:41:41 executing program 2: setsockopt$XDP_UMEM_FILL_RING(0xffffffffffffffff, 0x11b, 0x5, &(0x7f00000000c0)=0x10100, 0x4) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c65be80a38f3c56bbadf649bd7b14000000", @ANYRES16=0x0, @ANYBLOB="106e9c75391544ab327171eeaa3e00000000000000000001000000"], 0x14}}, 0x0) (async) bpf$LINK_GET_NEXT_ID(0x1f, &(0x7f0000000000)={0x7, 0x0}, 0x8) bpf$LINK_GET_FD_BY_ID(0x1e, &(0x7f0000000100)=r1, 0x0) 04:41:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:41 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:41 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x711, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:41 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:41 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x20, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1027}]}, 0x20}}, 0x0) 04:41:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, 0x0, 0x0) 04:41:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x4c}}, 0x0) [ 2937.773302] nbd: must specify at least one socket 04:41:41 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$netlbl_mgmt(&(0x7f0000000440), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r3, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, r2, 0x400, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4041}, 0x40048c1) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x54, r4, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40fe7685}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd9}]}, 0x54}, 0x1, 0x0, 0x0, 0x4000080}, 0x0) 04:41:41 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x0, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x20, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1027}]}, 0x20}}, 0x0) 04:41:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = gettid() msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, r3, 0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)={0x74, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @multicast1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1d}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}]}, 0x74}}, 0x4080000) 04:41:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, 0x0, 0x0) 04:41:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x711, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) [ 2937.923245] nbd: must specify at least one socket 04:41:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x20, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1027}]}, 0x20}}, 0x0) 04:41:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r3, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, r2, 0x400, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4041}, 0x40048c1) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x54, r4, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40fe7685}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd9}]}, 0x54}, 0x1, 0x0, 0x0, 0x4000080}, 0x0) 04:41:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, r3, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @loopback}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000000}, 0x4041) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0xf}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r6, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) r7 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000200)='pids.events\x00', 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000240)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x1}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_FAIL(0xffffffffffffffff, 0xc0189377, &(0x7f0000000280)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffffffff, 0x40}}, './file0\x00'}) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x58, r6, 0x400, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}]}, 0x58}, 0x1, 0x0, 0x0, 0x8060}, 0x11) [ 2937.946362] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2937.984683] nbd: must specify at least one socket 04:41:41 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x40, r2, 0x711, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25f14b88a9a69ca2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, 0x0, 0x0) 04:41:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = gettid() msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, r3, 0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:41 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(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r2, 0x401}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x38, r2, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x38}}, 0x24008090) [ 2938.064098] nbd: must specify at least one socket 04:41:41 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x34, r2, 0x711, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r3, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, r2, 0x400, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4041}, 0x40048c1) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x54, r4, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40fe7685}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd9}]}, 0x54}, 0x1, 0x0, 0x0, 0x4000080}, 0x0) 04:41:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, 0x0}, 0x0) 04:41:41 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$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) [ 2938.142730] nbd: must specify at least one socket 04:41:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000000c0)={0xffffffffffffffff, 0x0, &(0x7f0000000080)={0x0}, 0x1, 0x0, 0x0, 0x20000090}, 0x4000000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r3, &(0x7f00000005c0)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) 04:41:41 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x30, r2, 0x711, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, 0x0}, 0x0) 04:41:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000000c0)={0xffffffffffffffff, 0x0, &(0x7f0000000080)={0x0}, 0x1, 0x0, 0x0, 0x20000090}, 0x4000000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f00000005c0)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) [ 2938.170286] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2938.204543] nbd: must specify at least one socket [ 2938.215045] nbd: must specify at least one socket 04:41:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r4, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x48, r4, 0x8, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffff}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000000}, 0x851) 04:41:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000500), r2) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000005c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x2c, r6, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x480c) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff}) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000300)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x200}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000340)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r5, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r3, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x3f}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000}, 0x10) 04:41:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = gettid() msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, r3, 0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:41 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x24, r2, 0x711, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, 0x0}, 0x0) [ 2938.303585] nbd: must specify at least one socket 04:41:41 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x14, r2, 0x711}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x880) 04:41:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)={0x60, 0x0, 0x1, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '$(/'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x60}, 0x1, 0x0, 0x0, 0x8010}, 0x40000) [ 2938.345102] nbd: must specify at least one socket 04:41:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)={0x60, r1, 0x1, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '$(/'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x60}, 0x1, 0x0, 0x0, 0x8010}, 0x40000) 04:41:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x40000) 04:41:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000500), r2) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000005c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x2c, r6, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x480c) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff}) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000300)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x200}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000340)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r5, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r3, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x3f}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000}, 0x10) 04:41:41 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x14, r2, 0x711}, 0x14}}, 0x880) 04:41:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={0x0}}, 0x0) [ 2938.414027] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2938.436751] nbd: must specify at least one socket 04:41:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = gettid() msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, r3, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2938.482450] nbd: must specify a device to reconfigure 04:41:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000500), r2) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000005c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x2c, r6, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x480c) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff}) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000300)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x200}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000340)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r5, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r3, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x3f}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000}, 0x10) 04:41:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000000c0)={0xffffffffffffffff, 0x0, &(0x7f0000000080)={0x0}, 0x1, 0x0, 0x0, 0x20000090}, 0x4000000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r2 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$XDP_UMEM_REG(r2, 0x11b, 0x4, &(0x7f0000000240)={&(0x7f0000000840)=""/4096, 0x1000000, 0x1800, 0x8, 0x3}, 0x20) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$XDP_RX_RING(0xffffffffffffffff, 0x11b, 0x2, &(0x7f0000000580)=0x3048, 0x4) sendto$packet(0xffffffffffffffff, &(0x7f0000001980)="85221cbc9f211bd38826118633d77cf8875b1fc8fe0cef26b5d9bceeda01d9c4318bac7dc3244b7256ff30b8d7e9458b830dfe4d47cff371a5c121b940b72a45f0b7cf549a287d3b0c084a31b1198a9e6cf95a175f278993c57d6391211e7568fce540dc79540a32c3a52f4c77be8d673e82ff16ce7e9174516c8b497df09c9a016ca7d9ab90bb134298812fcfc2f31e7fabf3b9a1ea20cee61ae5e1f027e6644d10c3efb6ffd771b9a85bd83a00390bef868aa427617c570e5dd9a03f0406572e083b376937483fb1488d2b", 0xcc, 0x8000, &(0x7f0000001b00)={0x11, 0xd, 0x0, 0x1, 0x1b, 0x6, @random="f39885a8817e"}, 0x14) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000800)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, 0x0, 0x1, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffff}]}, 0x38}, 0x1, 0x0, 0x0, 0x44000}, 0x20000010) sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) [ 2938.512542] nbd: must specify at least one socket [ 2938.523568] nbd: must specify at least one socket 04:41:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={0x0}}, 0x0) 04:41:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000500), r2) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000005c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x2c, r6, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x480c) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff}) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000300)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x200}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000340)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r5, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r3, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x3f}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000}, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000500), r2) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000005c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x2c, r6, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x480c) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)) (async) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000300)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x200}}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000340)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r5, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r3, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x3f}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000}, 0x10) (async) 04:41:42 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$nbd(&(0x7f0000000400), r1) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x14, r2, 0x711}, 0x14}}, 0x0) [ 2938.557543] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2938.596711] nbd: must specify at least one socket 04:41:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x60, r1, 0x1, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '$(/'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x60}, 0x1, 0x0, 0x0, 0x8010}, 0x40000) [ 2938.615537] nbd: must specify at least one socket 04:41:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={0x0}}, 0x0) 04:41:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) gettid() sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000500), r2) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000005c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x2c, r6, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x480c) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff}) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000300)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x200}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000340)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r5, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r3, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x3f}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000}, 0x10) [ 2938.663530] nbd: must specify at least one socket 04:41:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = gettid() msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, r3, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2938.708151] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2938.753817] nbd: must specify at least one socket 04:41:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x84, r1, 0x1, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @multicast1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1d}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x84}}, 0x4080000) 04:41:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, r3, 0x400, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0xc800}, 0x4000801) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) [ 2938.774737] nbd: must specify at least one socket 04:41:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000500), r2) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000005c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x2c, r6, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x480c) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff}) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000300)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x200}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000340)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r5, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r3, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x3f}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000}, 0x10) 04:41:42 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$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r2, 0x401, 0x0, 0x25dfdbfd}, 0x14}}, 0x0) [ 2938.822983] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2938.848638] nbd: must specify at least one socket 04:41:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = gettid() msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, r3, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000500), r2) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000005c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x2c, r6, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x480c) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff}) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000300)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x200}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000340)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r5, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) [ 2938.878495] nbd: must specify at least one socket [ 2938.897047] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2938.907324] nbd: must specify at least one socket [ 2938.918347] nbd: must specify at least one socket 04:41:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, r3, 0x400, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0xc800}, 0x4000801) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) 04:41:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) [ 2938.974888] nbd: must specify at least one socket [ 2938.993631] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.1'. 04:41:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000500), r2) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000005c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x2c, r5, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x480c) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff}) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000300)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x200}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000340)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r4, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r1, 0x0, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) [ 2939.034520] nbd: must specify at least one socket [ 2939.046420] nbd: must specify at least one socket [ 2939.068937] nbd: must specify at least one socket 04:41:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = gettid() msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, r3, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, r3, 0x400, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0xc800}, 0x4000801) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, r3, 0x400, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0xc800}, 0x4000801) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) 04:41:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2939.139742] nbd: must specify at least one socket 04:41:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r1, 0x0, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000500), r2) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000005c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x2c, r5, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x480c) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff}) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000300)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x200}}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r4, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2939.185354] nbd: must specify at least one socket [ 2939.197630] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.1'. 04:41:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r2, 0x401}, 0x14}}, 0x0) 04:41:42 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, 0x0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2939.225554] nbd: must specify at least one socket 04:41:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) gettid() sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x30, r1, 0x0, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0) 04:41:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r2, 0x401}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r2, 0x401}, 0x14}}, 0x0) 04:41:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}]}, 0x28}}, 0x0) 04:41:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x60, r1, 0x1, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '$(/'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x60}, 0x1, 0x0, 0x0, 0x8010}, 0x40000) [ 2939.297076] nbd: must specify at least one socket [ 2939.308198] nbd: must specify at least one socket [ 2939.336740] nbd: must specify at least one socket 04:41:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000500), r2) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000005c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x2c, r5, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x480c) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r4, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:42 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, 0x0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) gettid() sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}]}, 0x28}}, 0x0) 04:41:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1) (async, rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r2, 0x401}, 0x14}}, 0x0) 04:41:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) gettid() sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2939.409385] nbd: must specify at least one socket [ 2939.423567] nbd: must specify at least one socket [ 2939.435314] nbd: must specify at least one socket [ 2939.451205] nbd: must specify at least one socket 04:41:42 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, 0x0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000500), r2) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000005c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x2c, r5, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x480c) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r4, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) gettid() sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}]}, 0x28}}, 0x0) [ 2939.559251] nbd: must specify at least one socket [ 2939.579254] nbd: must specify at least one socket 04:41:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000500), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r4, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:43 executing program 5: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x4c, r3, 0x400, 0x7, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x4c}, 0x1, 0x0, 0x0, 0x5}, 0x1010) 04:41:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, 0x0, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2939.606903] nbd: must specify at least one socket 04:41:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x1c}}, 0x0) 04:41:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) gettid() sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2939.648347] nbd: must specify at least one socket 04:41:43 executing program 5: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r4, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x1c}}, 0x0) [ 2939.712194] nbd: must specify at least one socket [ 2939.728046] nla_parse: 4 callbacks suppressed [ 2939.728055] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.1'. 04:41:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x4c, r3, 0x400, 0x7, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x4c}, 0x1, 0x0, 0x0, 0x5}, 0x1010) 04:41:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, 0x0, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:43 executing program 5: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2939.758011] nbd: must specify at least one socket [ 2939.765789] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2939.791445] nbd: must specify at least one socket [ 2939.804110] nbd: must specify at least one socket 04:41:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000680)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x1c}}, 0x0) 04:41:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) gettid() sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, 0x0, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2939.853903] nbd: must specify at least one socket [ 2939.871652] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2939.896066] nbd: must specify at least one socket 04:41:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x4c, r3, 0x400, 0x7, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x4c}, 0x1, 0x0, 0x0, 0x5}, 0x1010) 04:41:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, 0x0, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2939.904712] nbd: must specify at least one socket 04:41:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, 0x0, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000500), r2) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000005c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x2c, r5, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x480c) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r4, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2939.965631] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2940.003538] nbd: must specify at least one socket 04:41:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, 0x0, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2940.012751] nbd: must specify at least one socket [ 2940.018342] nbd: must specify at least one socket [ 2940.028007] nbd: must specify at least one socket 04:41:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, 0x0, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f00000003c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) connect$vsock_dgram(r1, &(0x7f0000000400)={0x28, 0x0, 0xffffd8ef, @host}, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000000300)=ANY=[@ANYBLOB="20000000f3d83bfc1df982f52c515265f1c52663cb10d3d89ec233863ecd22b94ef5573fc4b1f5d21c59e2f11b5602000000a0da43f16805f832ad4e338fc1a167c3a1d56a23d95ea857dd2c77d6ef4420a232e27e06cdc4f9af56b7e2e47cd609a0bd97cb2223c8db91403157", @ANYRES16=r6, @ANYBLOB="00000000000000000000020000000c0003000000000000000000"], 0x20}}, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB="a3803cf525c52269bf03f079d5cb7200a642da664a4b2e4b193c7ee179538fd42a17c9e780e14d1155383e54a820d088573db8f6d048ba755417cb481daca31063b30e21572aae90d878d300a2397a0d100c11188a5f550bf419473f0db9841c7a5fa4fd84e01b57ef53ba795690c14223a1ba49e89a7a91fddda29ef657f15876f9413c0ab7b5cdc7c4ff72b96bd1b66249f52398ccdd3f806d72095aeaa54a3cf140489f8f321af6ac211aa96711ac7d8f5e8c515e79634e1947771fa524e04c9aea2f7a5c3da5674f", @ANYRES16=r6, @ANYBLOB="00032cbd7000fddbdf25010000000c00040004000000000000000c00040003000000000000000c0004000000000000000080"], 0x38}, 0x1, 0x0, 0x0, 0x4040000}, 0x1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="01010000000000000157f440bf55934f305fd09810000000"], 0x14}}, 0x0) 04:41:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:43 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, 0x0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2940.092150] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2940.122188] nbd: must specify at least one socket 04:41:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f00000003c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) connect$vsock_dgram(r1, &(0x7f0000000400)={0x28, 0x0, 0xffffd8ef, @host}, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000000300)=ANY=[@ANYBLOB="20000000f3d83bfc1df982f52c515265f1c52663cb10d3d89ec233863ecd22b94ef5573fc4b1f5d21c59e2f11b5602000000a0da43f16805f832ad4e338fc1a167c3a1d56a23d95ea857dd2c77d6ef4420a232e27e06cdc4f9af56b7e2e47cd609a0bd97cb2223c8db91403157", @ANYRES16=r6, @ANYBLOB="00000000000000000000020000000c0003000000000000000000"], 0x20}}, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB="a3803cf525c52269bf03f079d5cb7200a642da664a4b2e4b193c7ee179538fd42a17c9e780e14d1155383e54a820d088573db8f6d048ba755417cb481daca31063b30e21572aae90d878d300a2397a0d100c11188a5f550bf419473f0db9841c7a5fa4fd84e01b57ef53ba795690c14223a1ba49e89a7a91fddda29ef657f15876f9413c0ab7b5cdc7c4ff72b96bd1b66249f52398ccdd3f806d72095aeaa54a3cf140489f8f321af6ac211aa96711ac7d8f5e8c515e79634e1947771fa524e04c9aea2f7a5c3da5674f", @ANYRES16=r6, @ANYBLOB="00032cbd7000fddbdf25010000000c00040004000000000000000c00040003000000000000000c0004000000000000000080"], 0x38}, 0x1, 0x0, 0x0, 0x4040000}, 0x1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="01010000000000000157f440bf55934f305fd09810000000"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f00000003c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) (async) connect$vsock_dgram(r1, &(0x7f0000000400)={0x28, 0x0, 0xffffd8ef, @host}, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) (async) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000000300)=ANY=[@ANYBLOB="20000000f3d83bfc1df982f52c515265f1c52663cb10d3d89ec233863ecd22b94ef5573fc4b1f5d21c59e2f11b5602000000a0da43f16805f832ad4e338fc1a167c3a1d56a23d95ea857dd2c77d6ef4420a232e27e06cdc4f9af56b7e2e47cd609a0bd97cb2223c8db91403157", @ANYRES16=r6, @ANYBLOB="00000000000000000000020000000c0003000000000000000000"], 0x20}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB="a3803cf525c52269bf03f079d5cb7200a642da664a4b2e4b193c7ee179538fd42a17c9e780e14d1155383e54a820d088573db8f6d048ba755417cb481daca31063b30e21572aae90d878d300a2397a0d100c11188a5f550bf419473f0db9841c7a5fa4fd84e01b57ef53ba795690c14223a1ba49e89a7a91fddda29ef657f15876f9413c0ab7b5cdc7c4ff72b96bd1b66249f52398ccdd3f806d72095aeaa54a3cf140489f8f321af6ac211aa96711ac7d8f5e8c515e79634e1947771fa524e04c9aea2f7a5c3da5674f", @ANYRES16=r6, @ANYBLOB="00032cbd7000fddbdf25010000000c00040004000000000000000c00040003000000000000000c0004000000000000000080"], 0x38}, 0x1, 0x0, 0x0, 0x4040000}, 0x1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="01010000000000000157f440bf55934f305fd09810000000"], 0x14}}, 0x0) (async) [ 2940.157144] nbd: must specify at least one socket 04:41:43 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, 0x0, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r4, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:43 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:43 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, 0x0, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, 0x0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r3, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2940.296063] nbd: must specify at least one socket 04:41:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f00000003c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) connect$vsock_dgram(r1, &(0x7f0000000400)={0x28, 0x0, 0xffffd8ef, @host}, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000000300)=ANY=[@ANYBLOB="20000000f3d83bfc1df982f52c515265f1c52663cb10d3d89ec233863ecd22b94ef5573fc4b1f5d21c59e2f11b5602000000a0da43f16805f832ad4e338fc1a167c3a1d56a23d95ea857dd2c77d6ef4420a232e27e06cdc4f9af56b7e2e47cd609a0bd97cb2223c8db91403157", @ANYRES16=r6, @ANYBLOB="00000000000000000000020000000c0003000000000000000000"], 0x20}}, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB="a3803cf525c52269bf03f079d5cb7200a642da664a4b2e4b193c7ee179538fd42a17c9e780e14d1155383e54a820d088573db8f6d048ba755417cb481daca31063b30e21572aae90d878d300a2397a0d100c11188a5f550bf419473f0db9841c7a5fa4fd84e01b57ef53ba795690c14223a1ba49e89a7a91fddda29ef657f15876f9413c0ab7b5cdc7c4ff72b96bd1b66249f52398ccdd3f806d72095aeaa54a3cf140489f8f321af6ac211aa96711ac7d8f5e8c515e79634e1947771fa524e04c9aea2f7a5c3da5674f", @ANYRES16=r6, @ANYBLOB="00032cbd7000fddbdf25010000000c00040004000000000000000c00040003000000000000000c0004000000000000000080"], 0x38}, 0x1, 0x0, 0x0, 0x4040000}, 0x1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="01010000000000000157f440bf55934f305fd09810000000"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f00000003c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) (async) connect$vsock_dgram(r1, &(0x7f0000000400)={0x28, 0x0, 0xffffd8ef, @host}, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) (async) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000000300)=ANY=[@ANYBLOB="20000000f3d83bfc1df982f52c515265f1c52663cb10d3d89ec233863ecd22b94ef5573fc4b1f5d21c59e2f11b5602000000a0da43f16805f832ad4e338fc1a167c3a1d56a23d95ea857dd2c77d6ef4420a232e27e06cdc4f9af56b7e2e47cd609a0bd97cb2223c8db91403157", @ANYRES16=r6, @ANYBLOB="00000000000000000000020000000c0003000000000000000000"], 0x20}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB="a3803cf525c52269bf03f079d5cb7200a642da664a4b2e4b193c7ee179538fd42a17c9e780e14d1155383e54a820d088573db8f6d048ba755417cb481daca31063b30e21572aae90d878d300a2397a0d100c11188a5f550bf419473f0db9841c7a5fa4fd84e01b57ef53ba795690c14223a1ba49e89a7a91fddda29ef657f15876f9413c0ab7b5cdc7c4ff72b96bd1b66249f52398ccdd3f806d72095aeaa54a3cf140489f8f321af6ac211aa96711ac7d8f5e8c515e79634e1947771fa524e04c9aea2f7a5c3da5674f", @ANYRES16=r6, @ANYBLOB="00032cbd7000fddbdf25010000000c00040004000000000000000c00040003000000000000000c0004000000000000000080"], 0x38}, 0x1, 0x0, 0x0, 0x4040000}, 0x1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="01010000000000000157f440bf55934f305fd09810000000"], 0x14}}, 0x0) (async) 04:41:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:43 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2940.358140] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2940.390751] nbd: must specify at least one socket 04:41:43 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, 0x0, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, 0x0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r3, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2940.403802] nbd: must specify at least one socket 04:41:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x60, r1, 0x1, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '$(/'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x60}, 0x1, 0x0, 0x0, 0x8010}, 0x40000) 04:41:43 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, 0x0, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, 0x0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2940.467469] nbd: must specify at least one socket 04:41:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r3, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x38, 0x0, 0x8, 0x70bd26, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x800) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) 04:41:43 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, 0x0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 1: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, 0x0, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x84, r1, 0x1, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @multicast1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1d}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x84}}, 0x4080000) [ 2940.570079] nbd: must specify at least one socket [ 2940.582553] nbd: must specify at least one socket 04:41:44 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, 0x0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r4, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x38, 0x0, 0x8, 0x70bd26, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x800) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x38, 0x0, 0x8, 0x70bd26, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x800) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) 04:41:44 executing program 1: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, 0x0, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(0x0, r0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x84, r1, 0x1, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @multicast1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1d}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x84}}, 0x4080000) 04:41:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2940.687704] nbd: must specify at least one socket 04:41:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r3, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:44 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, 0x0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2940.719511] nbd: must specify at least one socket 04:41:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4000000) [ 2940.746576] nbd: must specify at least one socket 04:41:44 executing program 1: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, 0x0, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x38, 0x0, 0x8, 0x70bd26, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x38}, 0x1, 0x0, 0x0, 0x84}, 0x800) (async, rerun: 64) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) 04:41:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000000c0)={0xffffffffffffffff, 0x0, &(0x7f0000000080)={0x0}, 0x1, 0x0, 0x0, 0x20000090}, 0x4000000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r2 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$XDP_UMEM_REG(r2, 0x11b, 0x4, &(0x7f0000000240)={&(0x7f0000000840)=""/4096, 0x1000000, 0x1800, 0x8, 0x3}, 0x20) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$XDP_RX_RING(0xffffffffffffffff, 0x11b, 0x2, &(0x7f0000000580)=0x3048, 0x4) sendto$packet(0xffffffffffffffff, &(0x7f0000001980)="85221cbc9f211bd38826118633d77cf8875b1fc8fe0cef26b5d9bceeda01d9c4318bac7dc3244b7256ff30b8d7e9458b830dfe4d47cff371a5c121b940b72a45f0b7cf549a287d3b0c084a31b1198a9e6cf95a175f278993c57d6391211e7568fce540dc79540a32c3a52f4c77be8d673e82ff16ce7e9174516c8b497df09c9a016ca7d9ab90bb134298812fcfc2f31e7fabf3b9a1ea20cee61ae5e1f027e6644d10c3efb6ffd771b9a85bd83a00390bef868aa427617c570e5dd9a03f0406572e083b376937483fb1488d2b", 0xcc, 0x8000, &(0x7f0000001b00)={0x11, 0xd, 0x0, 0x1, 0x1b, 0x6, @random="f39885a8817e"}, 0x14) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000800)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, 0x0, 0x1, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffff}]}, 0x38}, 0x1, 0x0, 0x0, 0x44000}, 0x20000010) 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$nbd(&(0x7f0000001880), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000001940)={&(0x7f0000001840)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000001900)={&(0x7f00000018c0)={0x20, r8, 0x400, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x20}, 0x1, 0x0, 0x0, 0x200000c4}, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r6, &(0x7f00000005c0)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) sendmsg$can_raw(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000280), 0x10, &(0x7f0000000340)={&(0x7f00000002c0)=@canfd={{0x0, 0x1, 0x1}, 0x3a, 0x2, 0x0, 0x0, "ebf4be94b35e1ae5df58b5b0c2083e5205b6538b15e8413d83e1d6b18cec5313b04a4eada51444f7b14bca41ac24cfa30e514d99a86350a526b5c8901f3a64b1"}, 0x48}}, 0x40010) openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 04:41:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4000000) [ 2940.827398] nbd: must specify at least one socket 04:41:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r3, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, 0x0, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4000000) 04:41:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f00000000c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee00}}, './file0\x00'}) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r3, 0x40087705, 0x0) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f0000000180)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) r5 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r5, 0x40087705, 0x0) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f00000001c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000200)='/sys/module/stk1160', 0x341102, 0x108) r8 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r8, 0x40087705, 0x0) r9 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r9, 0x40087705, 0x0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000240)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffffffffffffffff, 0xee01}}, './file0\x00'}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000380)={&(0x7f0000000280)={0xf8, 0x0, 0x800, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe6}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}]}]}, 0xf8}, 0x1, 0x0, 0x0, 0x80891}, 0x8000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) [ 2940.938934] nbd: must specify at least one socket 04:41:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r3, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r3, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, 0x0, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2941.040205] nbd: must specify at least one socket 04:41:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f00000000c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee00}}, './file0\x00'}) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r3, 0x40087705, 0x0) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f0000000180)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) r5 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r5, 0x40087705, 0x0) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f00000001c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000200)='/sys/module/stk1160', 0x341102, 0x108) r8 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r8, 0x40087705, 0x0) r9 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r9, 0x40087705, 0x0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000240)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffffffffffffffff, 0xee01}}, './file0\x00'}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000380)={&(0x7f0000000280)={0xf8, 0x0, 0x800, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe6}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}]}]}, 0xf8}, 0x1, 0x0, 0x0, 0x80891}, 0x8000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f00000000c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee00}}, './file0\x00'}) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) ioctl$ASHMEM_SET_PROT_MASK(r3, 0x40087705, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f0000000180)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) ioctl$ASHMEM_SET_PROT_MASK(r5, 0x40087705, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f00000001c0)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000200)='/sys/module/stk1160', 0x341102, 0x108) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) ioctl$ASHMEM_SET_PROT_MASK(r8, 0x40087705, 0x0) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) ioctl$ASHMEM_SET_PROT_MASK(r9, 0x40087705, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000240)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffffffffffffffff, 0xee01}}, './file0\x00'}) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000380)={&(0x7f0000000280)={0xf8, 0x0, 0x800, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe6}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}]}]}, 0xf8}, 0x1, 0x0, 0x0, 0x80891}, 0x8000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) 04:41:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, 0x0, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2941.066692] nbd: must specify at least one socket [ 2941.073436] nbd: must specify at least one socket 04:41:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, 0x0, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) 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$nbd(&(0x7f0000000280), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r3, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:44 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, 0x0, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2941.207209] nbd: must specify at least one socket 04:41:44 executing program 4: syz_init_net_socket$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) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:44 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, 0x0, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f00000000c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee00}}, './file0\x00'}) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r3, 0x40087705, 0x0) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f0000000180)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) r5 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r5, 0x40087705, 0x0) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f00000001c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000200)='/sys/module/stk1160', 0x341102, 0x108) r8 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r8, 0x40087705, 0x0) r9 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r9, 0x40087705, 0x0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000240)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffffffffffffffff, 0xee01}}, './file0\x00'}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000380)={&(0x7f0000000280)={0xf8, 0x0, 0x800, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe6}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}]}]}, 0xf8}, 0x1, 0x0, 0x0, 0x80891}, 0x8000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f00000000c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee00}}, './file0\x00'}) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) ioctl$ASHMEM_SET_PROT_MASK(r3, 0x40087705, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f0000000180)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) ioctl$ASHMEM_SET_PROT_MASK(r5, 0x40087705, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f00000001c0)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000200)='/sys/module/stk1160', 0x341102, 0x108) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) ioctl$ASHMEM_SET_PROT_MASK(r8, 0x40087705, 0x0) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) ioctl$ASHMEM_SET_PROT_MASK(r9, 0x40087705, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000240)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffffffffffffffff, 0xee01}}, './file0\x00'}) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000380)={&(0x7f0000000280)={0xf8, 0x0, 0x800, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe6}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}]}]}, 0xf8}, 0x1, 0x0, 0x0, 0x80891}, 0x8000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) 04:41:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000000c0)={0xffffffffffffffff, 0x0, &(0x7f0000000080)={0x0}, 0x1, 0x0, 0x0, 0x20000090}, 0x4000000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r2 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$XDP_UMEM_REG(r2, 0x11b, 0x4, &(0x7f0000000240)={&(0x7f0000000840)=""/4096, 0x1000000, 0x1800, 0x8, 0x3}, 0x20) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$XDP_RX_RING(0xffffffffffffffff, 0x11b, 0x2, &(0x7f0000000580)=0x3048, 0x4) sendto$packet(0xffffffffffffffff, &(0x7f0000001980)="85221cbc9f211bd38826118633d77cf8875b1fc8fe0cef26b5d9bceeda01d9c4318bac7dc3244b7256ff30b8d7e9458b830dfe4d47cff371a5c121b940b72a45f0b7cf549a287d3b0c084a31b1198a9e6cf95a175f278993c57d6391211e7568fce540dc79540a32c3a52f4c77be8d673e82ff16ce7e9174516c8b497df09c9a016ca7d9ab90bb134298812fcfc2f31e7fabf3b9a1ea20cee61ae5e1f027e6644d10c3efb6ffd771b9a85bd83a00390bef868aa427617c570e5dd9a03f0406572e083b376937483fb1488d2b", 0xcc, 0x8000, &(0x7f0000001b00)={0x11, 0xd, 0x0, 0x1, 0x1b, 0x6, @random="f39885a8817e"}, 0x14) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000800)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, 0x0, 0x1, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffff}]}, 0x38}, 0x1, 0x0, 0x0, 0x44000}, 0x20000010) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000001880), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000001940)={&(0x7f0000001840)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000001900)={&(0x7f00000018c0)={0x20, r8, 0x400, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x20}, 0x1, 0x0, 0x0, 0x200000c4}, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r6, &(0x7f00000005c0)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x54, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}}, 0x0) sendmsg$can_raw(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000280), 0x10, &(0x7f0000000340)={&(0x7f00000002c0)=@canfd={{0x0, 0x1, 0x1}, 0x3a, 0x2, 0x0, 0x0, "ebf4be94b35e1ae5df58b5b0c2083e5205b6538b15e8413d83e1d6b18cec5313b04a4eada51444f7b14bca41ac24cfa30e514d99a86350a526b5c8901f3a64b1"}, 0x48}}, 0x40010) openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r9) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 04:41:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2941.347406] nbd: must specify at least one socket 04:41:44 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, 0x0, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="14010000b94140af7631f44d8bf9387ee9057b052a07b73f3124170879601a4372130a77b0689a23657fdd20706c99fac0226e61a367921eb95b8930c72dc571c5cfac18c9327c6ae7535214d7e07657d25040080dea917c2add985a19e1e9f916a58f7eabc3b1bb3994fe3b769b9f959d26321d3d6ac722", @ANYRES16=r1, @ANYBLOB="0104000000000000000001000000"], 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) openat$autofs(0xffffffffffffff9c, &(0x7f00000002c0), 0x501200, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000240)={&(0x7f0000000080)={0x5c, r3, 0x20, 0x7, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}, @NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}]}, 0x5c}, 0x1, 0x0, 0x0, 0x5}, 0x24004014) 04:41:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, &(0x7f0000000080)={{0x2, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x12c, 0x2c6}, 0x0, 0x0, 0x5, 0xffffffff, 0x2, 0x4, 0x1c, 0x221f, 0xff, 0x5, 0x0, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="14010000b94140af7631f44d8bf9387ee9057b052a07b73f3124170879601a4372130a77b0689a23657fdd20706c99fac0226e61a367921eb95b8930c72dc571c5cfac18c9327c6ae7535214d7e07657d25040080dea917c2add985a19e1e9f916a58f7eabc3b1bb3994fe3b769b9f959d26321d3d6ac722", @ANYRES16=r1, @ANYBLOB="0104000000000000000001000000"], 0x14}}, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) openat$autofs(0xffffffffffffff9c, &(0x7f00000002c0), 0x501200, 0x0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000240)={&(0x7f0000000080)={0x5c, r3, 0x20, 0x7, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}, @NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}]}, 0x5c}, 0x1, 0x0, 0x0, 0x5}, 0x24004014) 04:41:45 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, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:45 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2941.536019] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2941.565563] nbd: must specify at least one socket 04:41:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="14010000b94140af7631f44d8bf9387ee9057b052a07b73f3124170879601a4372130a77b0689a23657fdd20706c99fac0226e61a367921eb95b8930c72dc571c5cfac18c9327c6ae7535214d7e07657d25040080dea917c2add985a19e1e9f916a58f7eabc3b1bb3994fe3b769b9f959d26321d3d6ac722", @ANYRES16=r1, @ANYBLOB="0104000000000000000001000000"], 0x14}}, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) openat$autofs(0xffffffffffffff9c, &(0x7f00000002c0), 0x501200, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000240)={&(0x7f0000000080)={0x5c, r3, 0x20, 0x7, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}, @NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}]}, 0x5c}, 0x1, 0x0, 0x0, 0x5}, 0x24004014) 04:41:45 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:45 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, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, 0x0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="14010000b94140af7631f44d8bf9387ee9057b052a07b73f3124170879601a4372130a77b0689a23657fdd20706c99fac0226e61a367921eb95b8930c72dc571c5cfac18c9327c6ae7535214d7e07657d25040080dea917c2add985a19e1e9f916a58f7eabc3b1bb3994fe3b769b9f959d26321d3d6ac722", @ANYRES16=r1, @ANYBLOB="0104000000000000000001000000"], 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) openat$autofs(0xffffffffffffff9c, &(0x7f00000002c0), 0x501200, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000240)={&(0x7f0000000080)={0x5c, r3, 0x20, 0x7, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}, @NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}]}, 0x5c}, 0x1, 0x0, 0x0, 0x5}, 0x24004014) 04:41:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x20040821) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) openat$cgroup_subtree(0xffffffffffffffff, &(0x7f00000000c0), 0x2, 0x0) 04:41:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:45 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, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:45 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:45 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, 0x0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x20040821) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) openat$cgroup_subtree(0xffffffffffffffff, &(0x7f00000000c0), 0x2, 0x0) 04:41:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:45 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:45 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:45 executing program 0: syz_init_net_socket$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) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, 0x0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4000000) 04:41:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x20040821) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) openat$cgroup_subtree(0xffffffffffffffff, &(0x7f00000000c0), 0x2, 0x0) (async) openat$cgroup_subtree(0xffffffffffffffff, &(0x7f00000000c0), 0x2, 0x0) 04:41:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4000000) 04:41:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x0, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:45 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:45 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:45 executing program 3: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x14, r0, 0x20, 0x70bd26, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x24000840}, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000200)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000240)=0x14) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r0, 0x401}, 0x14}}, 0x0) 04:41:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x0, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:45 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4000000) 04:41:45 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4000000) 04:41:45 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:45 executing program 3: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x14, r0, 0x20, 0x70bd26, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x24000840}, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000200)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000240)=0x14) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r0, 0x401}, 0x14}}, 0x0) 04:41:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x0, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:45 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:45 executing program 0: syz_init_net_socket$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$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, 0x0, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:45 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4000000) 04:41:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:45 executing program 3: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x14, r0, 0x20, 0x70bd26, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x24000840}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x14, r0, 0x20, 0x70bd26, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x24000840}, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000200)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000240)=0x14) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r0, 0x401}, 0x14}}, 0x0) 04:41:45 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:45 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x4000000) 04:41:45 executing program 0: syz_init_net_socket$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$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, 0x0, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r4, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) r5 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r5, 0x40087705, 0x0) write$cgroup_pressure(r5, &(0x7f0000000600)={'some', 0x20, 0x3, 0x20, 0x1}, 0x2f) r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000480)='/sys/block/ram11', 0xc0000, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x4c, r4, 0x300, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '#(\x1d'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x4c}, 0x1, 0x0, 0x0, 0x80}, 0x44041) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r8, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) r9 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r9, 0x40087705, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r8, 0x20, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3f}]}, 0x4c}, 0x1, 0x0, 0x0, 0x881}, 0x40008) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r7, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x6c, 0x0, 0x2, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x11}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4044001}, 0x48080) ioctl$AUTOFS_DEV_IOCTL_FAIL(r9, 0xc0189377, &(0x7f0000000380)={{0x1, 0x1, 0x18, r9, {0x5, 0x3}}, './file0\x00'}) r11 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r11, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) r12 = socket(0xf, 0xa, 0xa2) setsockopt$CAN_RAW_LOOPBACK(r12, 0x65, 0x3, &(0x7f00000005c0)=0x1, 0x4) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(r9, 0xc018937e, &(0x7f0000000400)={{0x1, 0x1, 0x18, r11, {0x1}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(r10, 0xc0189374, &(0x7f00000003c0)={{0x1, 0x1, 0x18, r9, {0x8}}, './file0\x00'}) 04:41:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:45 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:45 executing program 0: syz_init_net_socket$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$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, 0x0, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2942.353268] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.5'. 04:41:45 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:45 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2942.413291] nbd: must specify at least one socket 04:41:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:45 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2942.462753] nbd: must specify at least one socket 04:41:45 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x34, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) (rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r4, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) (async) r5 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r5, 0x40087705, 0x0) (async) write$cgroup_pressure(r5, &(0x7f0000000600)={'some', 0x20, 0x3, 0x20, 0x1}, 0x2f) (async) r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000480)='/sys/block/ram11', 0xc0000, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x4c, r4, 0x300, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '#(\x1d'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x4c}, 0x1, 0x0, 0x0, 0x80}, 0x44041) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r8, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) (async) r9 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r9, 0x40087705, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r8, 0x20, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3f}]}, 0x4c}, 0x1, 0x0, 0x0, 0x881}, 0x40008) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r7, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x6c, 0x0, 0x2, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x11}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4044001}, 0x48080) ioctl$AUTOFS_DEV_IOCTL_FAIL(r9, 0xc0189377, &(0x7f0000000380)={{0x1, 0x1, 0x18, r9, {0x5, 0x3}}, './file0\x00'}) (async, rerun: 64) r11 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) (rerun: 64) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r11, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) (async, rerun: 64) r12 = socket(0xf, 0xa, 0xa2) (rerun: 64) setsockopt$CAN_RAW_LOOPBACK(r12, 0x65, 0x3, &(0x7f00000005c0)=0x1, 0x4) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(r9, 0xc018937e, &(0x7f0000000400)={{0x1, 0x1, 0x18, r11, {0x1}}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(r10, 0xc0189374, &(0x7f00000003c0)={{0x1, 0x1, 0x18, r9, {0x8}}, './file0\x00'}) 04:41:45 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:46 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2942.527471] nbd: must specify at least one socket 04:41:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x34, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:46 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) 04:41:46 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$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:46 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:46 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) [ 2942.633072] nbd: must specify at least one socket [ 2942.652422] nbd: must specify at least one socket 04:41:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x34, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:46 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$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r4, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) r5 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r5, 0x40087705, 0x0) write$cgroup_pressure(r5, &(0x7f0000000600)={'some', 0x20, 0x3, 0x20, 0x1}, 0x2f) (async) r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000480)='/sys/block/ram11', 0xc0000, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x4c, r4, 0x300, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '#(\x1d'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x4c}, 0x1, 0x0, 0x0, 0x80}, 0x44041) (async, rerun: 32) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r8, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) (async) r9 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r9, 0x40087705, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r8, 0x20, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3f}]}, 0x4c}, 0x1, 0x0, 0x0, 0x881}, 0x40008) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r7, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x6c, 0x0, 0x2, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x11}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4044001}, 0x48080) ioctl$AUTOFS_DEV_IOCTL_FAIL(r9, 0xc0189377, &(0x7f0000000380)={{0x1, 0x1, 0x18, r9, {0x5, 0x3}}, './file0\x00'}) (async) r11 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r11, 0xc0189375, &(0x7f00000034c0)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) r12 = socket(0xf, 0xa, 0xa2) setsockopt$CAN_RAW_LOOPBACK(r12, 0x65, 0x3, &(0x7f00000005c0)=0x1, 0x4) (async) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(r9, 0xc018937e, &(0x7f0000000400)={{0x1, 0x1, 0x18, r11, {0x1}}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(r10, 0xc0189374, &(0x7f00000003c0)={{0x1, 0x1, 0x18, r9, {0x8}}, './file0\x00'}) 04:41:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:46 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) 04:41:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x30, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:46 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2942.742736] nbd: must specify at least one socket 04:41:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:46 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:46 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:46 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2942.839001] nbd: must specify at least one socket 04:41:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, 0x0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2942.863664] nbd: must specify at least one socket 04:41:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x30, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:46 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="ffffffff", @ANYRES16=r1, @ANYBLOB="0104000000000000000001000000"], 0x14}}, 0x0) 04:41:46 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:46 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, 0x0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2942.953255] nbd: must specify at least one socket 04:41:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x30, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="ffffffff", @ANYRES16=r1, @ANYBLOB="0104000000000000000001000000"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="ffffffff", @ANYRES16=r1, @ANYBLOB="0104000000000000000001000000"], 0x14}}, 0x0) (async) 04:41:46 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, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:46 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, 0x0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, 0x0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:46 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:46 executing program 0: r0 = syz_init_net_socket$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$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="ffffffff", @ANYRES16=r1, @ANYBLOB="0104000000000000000001000000"], 0x14}}, 0x0) 04:41:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x0, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:46 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, 0x0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2943.112030] nbd: must specify at least one socket 04:41:46 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:46 executing program 0: r0 = syz_init_net_socket$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$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:46 executing program 3: ioctl$AUTOFS_DEV_IOCTL_FAIL(0xffffffffffffffff, 0xc0189377, &(0x7f0000000240)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x80000000, 0x7}}, './file0\x00'}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) sendmsg$NBD_CMD_STATUS(r6, &(0x7f00000003c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x28, r7, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '$*-'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}]}, 0x28}, 0x1, 0x0, 0x0, 0x8000}, 0x40000) sendmsg$NLBL_MGMT_C_ADDDEF(r5, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r8, &(0x7f0000000200)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000280)={0x94, r4, 0x4, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x21}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1e}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}, @NLBL_MGMT_A_DOMAIN={0x54, 0x1, '-/\'.\x00'}]}, 0x94}, 0x1, 0x0, 0x0, 0x13}, 0x4000000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0xc1}, 0x1, 0x0, 0x0, 0x24040010}, 0x890) 04:41:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x0, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:46 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, 0x0, 0x401, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:46 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:46 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$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2943.251954] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2943.293750] nbd: must specify at least one socket 04:41:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x0, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:46 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x30, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2943.324078] nbd: must specify at least one socket 04:41:46 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:46 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x0, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:46 executing program 3: ioctl$AUTOFS_DEV_IOCTL_FAIL(0xffffffffffffffff, 0xc0189377, &(0x7f0000000240)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x80000000, 0x7}}, './file0\x00'}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r3) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) sendmsg$NBD_CMD_STATUS(r6, &(0x7f00000003c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x28, r7, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '$*-'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}]}, 0x28}, 0x1, 0x0, 0x0, 0x8000}, 0x40000) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r5, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async, rerun: 64) sendmsg$NLBL_MGMT_C_ADDDEF(r8, &(0x7f0000000200)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000280)={0x94, r4, 0x4, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x21}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1e}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}, @NLBL_MGMT_A_DOMAIN={0x54, 0x1, '-/\'.\x00'}]}, 0x94}, 0x1, 0x0, 0x0, 0x13}, 0x4000000) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0xc1}, 0x1, 0x0, 0x0, 0x24040010}, 0x890) 04:41:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2943.412153] nbd: must specify at least one socket 04:41:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x30, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:46 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:46 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$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2943.440836] nbd: must specify at least one socket 04:41:46 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x0, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:46 executing program 3: ioctl$AUTOFS_DEV_IOCTL_FAIL(0xffffffffffffffff, 0xc0189377, &(0x7f0000000240)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x80000000, 0x7}}, './file0\x00'}) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) r7 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) sendmsg$NBD_CMD_STATUS(r6, &(0x7f00000003c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x28, r7, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '$*-'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}]}, 0x28}, 0x1, 0x0, 0x0, 0x8000}, 0x40000) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r5, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000740)={&(0x7f0000000680)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private}]}, 0x24}}, 0x0) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r8, &(0x7f0000000200)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000280)={0x94, r4, 0x4, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x21}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1e}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}, @NLBL_MGMT_A_DOMAIN={0x54, 0x1, '-/\'.\x00'}]}, 0x94}, 0x1, 0x0, 0x0, 0x13}, 0x4000000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0xc1}, 0x1, 0x0, 0x0, 0x24040010}, 0x890) 04:41:46 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x30, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2943.497996] nbd: must specify at least one socket [ 2943.510810] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.1'. 04:41:47 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x0, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2943.540426] nbd: must specify at least one socket 04:41:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x34, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:47 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, 0x0, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), 0xffffffffffffffff) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) r4 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r4, 0x40087705, 0x0) r5 = socket(0x3, 0x80000, 0x6) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000200)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x1}}, './file0\x00'}) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000002c0)={&(0x7f0000000340)=ANY=[@ANYBLOB='`\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="000329bd7000fcdbdf250300000008000100000000002400078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="00001cfa8c40285779b195b691def00000", @ANYRES32=r6, @ANYBLOB="0c0003009ce70000000000000c00040008000000000000000800010000000000"], 0x60}, 0x1, 0x0, 0x0, 0x4000}, 0x80) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) ioctl$ASHMEM_GET_PROT_MASK(0xffffffffffffffff, 0x7706, &(0x7f00000000c0)) [ 2943.564265] nbd: must specify at least one socket 04:41:47 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:47 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2943.620446] nbd: must specify at least one socket 04:41:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2943.642980] nbd: must specify at least one socket 04:41:47 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, 0x0, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2943.669992] nbd: must specify at least one socket 04:41:47 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x34, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), 0xffffffffffffffff) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) r4 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r4, 0x40087705, 0x0) r5 = socket(0x3, 0x80000, 0x6) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000200)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x1}}, './file0\x00'}) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000002c0)={&(0x7f0000000340)=ANY=[@ANYBLOB='`\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="000329bd7000fcdbdf250300000008000100000000002400078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="00001cfa8c40285779b195b691def00000", @ANYRES32=r6, @ANYBLOB="0c0003009ce70000000000000c00040008000000000000000800010000000000"], 0x60}, 0x1, 0x0, 0x0, 0x4000}, 0x80) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) ioctl$ASHMEM_GET_PROT_MASK(0xffffffffffffffff, 0x7706, &(0x7f00000000c0)) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), 0xffffffffffffffff) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) ioctl$ASHMEM_SET_PROT_MASK(r4, 0x40087705, 0x0) (async) socket(0x3, 0x80000, 0x6) (async) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000200)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x1}}, './file0\x00'}) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000002c0)={&(0x7f0000000340)=ANY=[@ANYBLOB='`\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="000329bd7000fcdbdf250300000008000100000000002400078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="00001cfa8c40285779b195b691def00000", @ANYRES32=r6, @ANYBLOB="0c0003009ce70000000000000c00040008000000000000000800010000000000"], 0x60}, 0x1, 0x0, 0x0, 0x4000}, 0x80) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) ioctl$ASHMEM_GET_PROT_MASK(0xffffffffffffffff, 0x7706, &(0x7f00000000c0)) (async) [ 2943.695645] nbd: must specify at least one socket 04:41:47 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x34, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2943.738935] nbd: must specify at least one socket 04:41:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:47 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, 0x0, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:47 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) [ 2943.784052] nbd: must specify at least one socket 04:41:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x34, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2943.804819] nbd: must specify at least one socket 04:41:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) r4 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r4, 0x40087705, 0x0) r5 = socket(0x3, 0x80000, 0x6) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000200)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x1}}, './file0\x00'}) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000002c0)={&(0x7f0000000340)=ANY=[@ANYBLOB='`\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="000329bd7000fcdbdf250300000008000100000000002400078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="00001cfa8c40285779b195b691def00000", @ANYRES32=r6, @ANYBLOB="0c0003009ce70000000000000c00040008000000000000000800010000000000"], 0x60}, 0x1, 0x0, 0x0, 0x4000}, 0x80) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) ioctl$ASHMEM_GET_PROT_MASK(0xffffffffffffffff, 0x7706, &(0x7f00000000c0)) [ 2943.841640] nbd: must specify at least one socket 04:41:47 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) 04:41:47 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x0, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2943.865786] nbd: must specify at least one socket 04:41:47 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x34, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:47 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) 04:41:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x30, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:47 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x0, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) [ 2943.933486] nbd: must specify at least one socket [ 2943.947536] nbd: must specify at least one socket [ 2943.953953] nbd: must specify at least one socket [ 2943.991309] nbd: must specify at least one socket 04:41:47 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x34, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x34, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2944.011801] nbd: must specify at least one socket 04:41:47 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x0, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:47 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:47 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x30, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x30, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x34, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) socket$inet_icmp_raw(0x2, 0x3, 0x1) (async) [ 2944.075633] nbd: must specify at least one socket [ 2944.088204] nbd: must specify at least one socket [ 2944.102450] nbd: must specify at least one socket [ 2944.107918] nbd: must specify at least one socket 04:41:47 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:47 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2944.170994] nbd: must specify at least one socket 04:41:47 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x30, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2944.193017] nbd: must specify at least one socket 04:41:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x30, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x34, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2944.219425] nbd: must specify at least one socket [ 2944.224520] nbd: must specify at least one socket [ 2944.238695] nbd: must specify at least one socket 04:41:47 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:47 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2944.277173] nbd: must specify at least one socket 04:41:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) socket$inet_icmp_raw(0x2, 0x3, 0x1) (async) 04:41:47 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x30, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2944.305140] nbd: must specify at least one socket 04:41:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:47 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2944.342521] nbd: must specify at least one socket 04:41:47 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2944.386753] nbd: must specify at least one socket 04:41:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}}, 0x4000000) 04:41:47 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2944.410929] nbd: must specify at least one socket [ 2944.427955] nbd: must specify at least one socket 04:41:47 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:47 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:47 executing program 3: openat$cgroup_freezer_state(0xffffffffffffffff, &(0x7f0000000200), 0x2, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000080)={0x14, r1, 0x401, 0x0, 0x25dfdbfc}, 0x14}}, 0x4811) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x2c, r1, 0x200, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1ff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4048014}, 0x40000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000340)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)=ANY=[@ANYBLOB="20000400", @ANYRES16=r4, @ANYBLOB="00042dbd7000fedbdf25050000000c00078008000100", @ANYRES32, @ANYBLOB], 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x40040) [ 2944.457123] nbd: must specify at least one socket 04:41:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2944.485975] nbd: must specify at least one socket 04:41:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}}, 0x4000000) [ 2944.517987] nbd: must specify at least one socket 04:41:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x30, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:48 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:48 executing program 3: openat$cgroup_freezer_state(0xffffffffffffffff, &(0x7f0000000200), 0x2, 0x0) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000080)={0x14, r1, 0x401, 0x0, 0x25dfdbfc}, 0x14}}, 0x4811) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x2c, r1, 0x200, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1ff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4048014}, 0x40000) (async, rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000340)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)=ANY=[@ANYBLOB="20000400", @ANYRES16=r4, @ANYBLOB="00042dbd7000fedbdf25050000000c00078008000100", @ANYRES32, @ANYBLOB], 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x40040) 04:41:48 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2944.604662] nbd: must specify at least one socket 04:41:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}}, 0x4000000) [ 2944.631061] nbd: must specify at least one socket [ 2944.638035] nbd: must specify at least one socket 04:41:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x30, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:48 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2944.719224] nbd: must specify at least one socket 04:41:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x0) 04:41:48 executing program 3: openat$cgroup_freezer_state(0xffffffffffffffff, &(0x7f0000000200), 0x2, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000080)={0x14, r1, 0x401, 0x0, 0x25dfdbfc}, 0x14}}, 0x4811) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x2c, r1, 0x200, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1ff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4048014}, 0x40000) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000340)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)=ANY=[@ANYBLOB="20000400", @ANYRES16=r4, @ANYBLOB="00042dbd7000fedbdf25050000000c00078008000100", @ANYRES32, @ANYBLOB], 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x40040) [ 2944.745429] nla_parse: 20 callbacks suppressed [ 2944.745435] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2944.780449] nbd: must specify at least one socket [ 2944.786680] nbd: must specify at least one socket 04:41:48 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, 0x0, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x30, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x30, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2944.806015] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2944.853566] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2944.863520] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2944.873040] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2944.883739] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 04:41:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x0) 04:41:48 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:48 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, 0x0, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x30, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:48 executing program 3: r0 = syz_init_net_socket$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$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r4, 0x401}, 0x14}}, 0x0) [ 2945.011278] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2945.034014] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2945.044533] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2945.056390] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 04:41:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x0) 04:41:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:48 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, 0x0, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:48 executing program 3: r0 = syz_init_net_socket$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$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r4, 0x401}, 0x14}}, 0x0) 04:41:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x30, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r4, 0x401}, 0x14}}, 0x0) [ 2945.155558] nbd: must specify at least one socket 04:41:48 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2945.182878] nbd: must specify at least one socket [ 2945.217205] nbd: must specify at least one socket 04:41:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:48 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x0, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x34, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) [ 2945.237509] nbd: must specify at least one socket 04:41:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:48 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x0, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x34, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00022dbd7000fedbdf2504000000000800ac1e00011400060000000003000000000000ffff0a01010208000700ffffffff00"], 0x38}, 0x1, 0x0, 0x0, 0x20000090}, 0x8800) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) [ 2945.303993] nbd: must specify at least one socket [ 2945.320119] nbd: must specify at least one socket [ 2945.326926] nbd: must specify at least one socket 04:41:48 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:48 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x0, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:48 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x34, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00022dbd7000fedbdf2504000000000800ac1e00011400060000000003000000000000ffff0a01010208000700ffffffff00"], 0x38}, 0x1, 0x0, 0x0, 0x20000090}, 0x8800) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) [ 2945.463652] nbd: must specify at least one socket [ 2945.482117] nbd: must specify at least one socket [ 2945.487025] nbd: must specify at least one socket 04:41:49 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2945.564141] nbd: must specify at least one socket 04:41:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x34, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:49 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}}, 0x4000000) [ 2945.595380] nbd: must specify at least one socket [ 2945.612612] nbd: must specify at least one socket [ 2945.621605] nbd: must specify at least one socket 04:41:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00022dbd7000fedbdf2504000000000800ac1e00011400060000000003000000000000ffff0a01010208000700ffffffff00"], 0x38}, 0x1, 0x0, 0x0, 0x20000090}, 0x8800) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00022dbd7000fedbdf2504000000000800ac1e00011400060000000003000000000000ffff0a01010208000700ffffffff00"], 0x38}, 0x1, 0x0, 0x0, 0x20000090}, 0x8800) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) 04:41:49 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2945.643806] nbd: must specify a size in bytes for the device 04:41:49 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) 04:41:49 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x34, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:49 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}}, 0x0) 04:41:49 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2945.718657] nbd: must specify at least one socket [ 2945.727040] nbd: must specify at least one socket [ 2945.740101] nbd: must specify a size in bytes for the device [ 2945.754407] nbd: must specify at least one socket 04:41:49 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) [ 2945.823404] nbd: must specify at least one socket 04:41:49 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2945.844024] nbd: must specify at least one socket 04:41:49 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x34, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0xc018}, 0x4000000) 04:41:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) 04:41:49 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2945.907170] nbd: must specify at least one socket 04:41:49 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r3, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x201000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r3, 0x200, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xdab}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '..*){@'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1f}]}, 0x50}}, 0x20000002) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) 04:41:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2945.943299] nbd: must specify a size in bytes for the device [ 2945.956790] nbd: must specify at least one socket 04:41:49 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}}, 0x4000000) 04:41:49 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r3, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x201000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r3, 0x200, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xdab}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '..*){@'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1f}]}, 0x50}}, 0x20000002) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) 04:41:49 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2946.029694] nbd: must specify at least one socket [ 2946.044506] nbd: must specify at least one socket 04:41:49 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}}, 0x4000000) 04:41:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r3, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x201000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r3, 0x200, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xdab}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '..*){@'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1f}]}, 0x50}}, 0x20000002) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) [ 2946.134924] nbd: must specify at least one socket [ 2946.149178] nbd: must specify at least one socket [ 2946.166627] nbd: must specify at least one socket 04:41:49 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2946.253282] nbd: must specify at least one socket 04:41:49 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, 0x0, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2048}, 0xc, &(0x7f0000000180)={&(0x7f0000000340)=ANY=[@ANYBLOB='LD', @ANYRES16=r1, @ANYBLOB="000443bd7000fedbdf2501000000afe20300060000000000000022084398b3aa915391e41a6dae92e87eb2103fca102f73bcea2a0d908f376bfe4c64c87c34c398763819be53585c9a241b7e2e846557bfac04b00800d8a5090d00bc8c510002d0d0f80d9833355c811a708077166a151b02ab77ba718f4d3ab337a4a92e457b3d6f761fa39f9a8d3d16e961f9b0c260c422625a6adf007c28fdc48e5234c72eede0149497cad2770c22db4388bb12b7b12b3ad96ab66936be2abdc68be81203712f54203b7916506db6160b0e75a7c613805aeef8417402e55c285e64a1be3f845a47ce46c3d38690f7acfdd19e593614390200000000000000000000000073528a852a534bfa56a8bf2d3e1c7b5b8b3d1dc2b392b5f86b97d527887a9acbb2a011af3ab921e7b1b510664d5c80bab52e70aabeae09a4d2f5f4e2c35179869ba0bd52093fe1964e9d6e88a27e87a6966252d44e64e60ca0833e0001742ad98fc74e77e58e8f20f95e3b919419f78e5f916c668af4870baeb1131872d41ee72e440e2b17b65ed6d2981c06c74a4890b02d24691f9ccd3b82bfa2959eb5c005843c8de70bd1001985ae92af52"], 0x20}, 0x1, 0x0, 0x0, 0x1}, 0x4000) [ 2946.281688] nbd: must specify at least one socket 04:41:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}}, 0x4000000) 04:41:49 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, 0x0, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x58}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2048}, 0xc, &(0x7f0000000180)={&(0x7f0000000340)=ANY=[@ANYBLOB='LD', @ANYRES16=r1, @ANYBLOB="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"], 0x20}, 0x1, 0x0, 0x0, 0x1}, 0x4000) 04:41:49 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x50}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2946.402069] nbd: must specify at least one socket 04:41:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, 0x0, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x0) 04:41:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2048}, 0xc, &(0x7f0000000180)={&(0x7f0000000340)=ANY=[@ANYBLOB='LD', @ANYRES16=r1, @ANYBLOB="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"], 0x20}, 0x1, 0x0, 0x0, 0x1}, 0x4000) 04:41:49 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x48}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010400000000c83400e5ffebb10000000000000000000000185d100d20cf"], 0x14}}, 0x0) 04:41:49 executing program 5: r0 = syz_init_net_socket$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$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x0) [ 2946.500770] nbd: must specify at least one socket 04:41:50 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010400000000c83400e5ffebb10000000000000000000000185d100d20cf"], 0x14}}, 0x0) 04:41:50 executing program 5: r0 = syz_init_net_socket$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$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2946.608541] nbd: must specify at least one socket 04:41:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x30}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0xc018}, 0x0) 04:41:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010400000000c83400e5ffebb10000000000000000000000185d100d20cf"], 0x14}}, 0x0) 04:41:50 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, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2946.733726] nbd: must specify at least one socket 04:41:50 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x30}}, 0x10) 04:41:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2946.810598] nbd: must specify a size in bytes for the device 04:41:50 executing program 3: ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000000)={0x7, 0x0, 0x10000}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, &(0x7f0000000700)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000006c0)={&(0x7f0000000640)={0x60, 0x0, 0x100, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_MGMT_A_DOMAIN={0x18, 0x1, 'hugetlb.1GB.failcnt\x00'}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x2e}}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x60}, 0x1, 0x0, 0x0, 0x80}, 0x40810) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r2, 0xc0189378, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {r2}}, './file0\x00'}) openat$cgroup_int(r3, &(0x7f00000000c0)='hugetlb.1GB.failcnt\x00', 0x2, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r2, 0xc0189375, &(0x7f00000003c0)=ANY=[@ANYBLOB="0100000001000000180000009999d80e8758993760e992f2670c4ee987f0209c02168ab4d8882300a75fb7070ba9c64a592c1cc63dda085174ddd5b6f8056347bf54593faada3a2b7297b2554ebe046d9ef04a466b398a3bd3bdb475e72625c634769943aa8c3bb40eaba51cc901f70b", @ANYRES32=0xffffffffffffffff, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00./file0\x00']) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r6, &(0x7f00000005c0)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x28, r1, 0x300, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf909}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000}, 0x4000080) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f00000004c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000340)={0x38, r1, 0x101, 0x7, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x986a}]}, 0x38}, 0x1, 0x0, 0x0, 0x8800}, 0x4000040) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000280)={0x7fffffff, 0x0, 0x10001}) ioctl$DRM_IOCTL_AGP_BIND(r4, 0x40106436, &(0x7f00000002c0)={r7, 0x65a}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000daf50a58df6083b5d1e5b72c20742a0811174eb538f263949b6e313f8dae46e502aa54946684876aa2e2012d8f6d3a76a393698e38cf3d273f76d8be7178c8abf6ae1bb37432b371ea015c7dc89047ac50708d291c5c96ca78c9226ba0ca55b7df0df8d7da3b6f4c62353fe7ca0c5604898d3bea51944386a6b7927c446a759252", @ANYRESOCT=r2, @ANYBLOB="0104000000000000000001000000ce796a3c9092e2c3aaa8158d93ebc6f730cb124d7644f4a3935526cf7a998c2690e928ea5bd4cc3f98dc31d430656577336fab3ecf860e6c2a024de8d2511eb34b3f0d9a6c92a1bc"], 0x14}}, 0x4008080) 04:41:50 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$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x30}}, 0x10) 04:41:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x30}}, 0x0) 04:41:50 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 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$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2946.975488] nbd: must specify a size in bytes for the device [ 2947.005238] nbd: must specify at least one socket 04:41:50 executing program 3: ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000000)={0x7, 0x0, 0x10000}) (async, rerun: 64) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async, rerun: 32) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) (rerun: 32) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, &(0x7f0000000700)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000006c0)={&(0x7f0000000640)={0x60, 0x0, 0x100, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_MGMT_A_DOMAIN={0x18, 0x1, 'hugetlb.1GB.failcnt\x00'}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x2e}}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x60}, 0x1, 0x0, 0x0, 0x80}, 0x40810) (async) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r2, 0xc0189378, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {r2}}, './file0\x00'}) openat$cgroup_int(r3, &(0x7f00000000c0)='hugetlb.1GB.failcnt\x00', 0x2, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r2, 0xc0189375, &(0x7f00000003c0)=ANY=[@ANYBLOB="0100000001000000180000009999d80e8758993760e992f2670c4ee987f0209c02168ab4d8882300a75fb7070ba9c64a592c1cc63dda085174ddd5b6f8056347bf54593faada3a2b7297b2554ebe046d9ef04a466b398a3bd3bdb475e72625c634769943aa8c3bb40eaba51cc901f70b", @ANYRES32=0xffffffffffffffff, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00./file0\x00']) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r6, &(0x7f00000005c0)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x28, r1, 0x300, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf909}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000}, 0x4000080) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f00000004c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000340)={0x38, r1, 0x101, 0x7, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x986a}]}, 0x38}, 0x1, 0x0, 0x0, 0x8800}, 0x4000040) (async, rerun: 32) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000280)={0x7fffffff, 0x0, 0x10001}) (rerun: 32) ioctl$DRM_IOCTL_AGP_BIND(r4, 0x40106436, &(0x7f00000002c0)={r7, 0x65a}) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000daf50a58df6083b5d1e5b72c20742a0811174eb538f263949b6e313f8dae46e502aa54946684876aa2e2012d8f6d3a76a393698e38cf3d273f76d8be7178c8abf6ae1bb37432b371ea015c7dc89047ac50708d291c5c96ca78c9226ba0ca55b7df0df8d7da3b6f4c62353fe7ca0c5604898d3bea51944386a6b7927c446a759252", @ANYRESOCT=r2, @ANYBLOB="0104000000000000000001000000ce796a3c9092e2c3aaa8158d93ebc6f730cb124d7644f4a3935526cf7a998c2690e928ea5bd4cc3f98dc31d430656577336fab3ecf860e6c2a024de8d2511eb34b3f0d9a6c92a1bc"], 0x14}}, 0x4008080) 04:41:50 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, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x30}}, 0x0) 04:41:50 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2947.152488] nbd: must specify a size in bytes for the device 04:41:50 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 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, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 executing program 2: r0 = syz_init_net_socket$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$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x30}}, 0x0) 04:41:50 executing program 3: ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000000)={0x7, 0x0, 0x10000}) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, &(0x7f0000000700)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000006c0)={&(0x7f0000000640)={0x60, 0x0, 0x100, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_MGMT_A_DOMAIN={0x18, 0x1, 'hugetlb.1GB.failcnt\x00'}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x2e}}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x60}, 0x1, 0x0, 0x0, 0x80}, 0x40810) (async) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r2, 0xc0189378, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {r2}}, './file0\x00'}) openat$cgroup_int(r3, &(0x7f00000000c0)='hugetlb.1GB.failcnt\x00', 0x2, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r2, 0xc0189375, &(0x7f00000003c0)=ANY=[@ANYBLOB="0100000001000000180000009999d80e8758993760e992f2670c4ee987f0209c02168ab4d8882300a75fb7070ba9c64a592c1cc63dda085174ddd5b6f8056347bf54593faada3a2b7297b2554ebe046d9ef04a466b398a3bd3bdb475e72625c634769943aa8c3bb40eaba51cc901f70b", @ANYRES32=0xffffffffffffffff, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00./file0\x00']) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r6, &(0x7f00000005c0)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x28, r1, 0x300, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf909}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000}, 0x4000080) (async) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f00000004c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000340)={0x38, r1, 0x101, 0x7, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x986a}]}, 0x38}, 0x1, 0x0, 0x0, 0x8800}, 0x4000040) (async) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000280)={0x7fffffff, 0x0, 0x10001}) ioctl$DRM_IOCTL_AGP_BIND(r4, 0x40106436, &(0x7f00000002c0)={r7, 0x65a}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000daf50a58df6083b5d1e5b72c20742a0811174eb538f263949b6e313f8dae46e502aa54946684876aa2e2012d8f6d3a76a393698e38cf3d273f76d8be7178c8abf6ae1bb37432b371ea015c7dc89047ac50708d291c5c96ca78c9226ba0ca55b7df0df8d7da3b6f4c62353fe7ca0c5604898d3bea51944386a6b7927c446a759252", @ANYRESOCT=r2, @ANYBLOB="0104000000000000000001000000ce796a3c9092e2c3aaa8158d93ebc6f730cb124d7644f4a3935526cf7a998c2690e928ea5bd4cc3f98dc31d430656577336fab3ecf860e6c2a024de8d2511eb34b3f0d9a6c92a1bc"], 0x14}}, 0x4008080) 04:41:50 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 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$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 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, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x28, 0x0, 0x200, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}]}, 0x28}}, 0x1000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) 04:41:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) 04:41:50 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:50 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2947.503967] nbd: must specify at least one socket 04:41:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:51 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) 04:41:51 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x28, 0x0, 0x200, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}]}, 0x28}}, 0x1000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) 04:41:51 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:51 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:51 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:51 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:51 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) 04:41:51 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x30}}, 0x10) 04:41:51 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x28, 0x0, 0x200, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}]}, 0x28}}, 0x1000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x28, 0x0, 0x200, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}]}, 0x28}}, 0x1000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) 04:41:51 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) msgctl$IPC_SET(0xffffffffffffffff, 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x48, r1, 0x401, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x48}}, 0x4000000) 04:41:51 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2947.827191] nbd: must specify at least one socket 04:41:51 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2947.876142] nbd: must specify at least one socket 04:41:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2947.904243] nbd: must specify at least one socket 04:41:51 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000240)={&(0x7f0000000680)={0x14, r3, 0x1, 0x70bd27}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, r3, 0x10, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0xc0}, 0x800) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) 04:41:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2947.960666] nbd: must specify at least one socket 04:41:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:51 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2947.992115] nbd: must specify at least one socket 04:41:51 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000240)={&(0x7f0000000680)={0x14, r3, 0x1, 0x70bd27}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, r3, 0x10, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0xc0}, 0x800) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) [ 2948.039022] nbd: must specify at least one socket 04:41:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:51 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) 04:41:51 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2948.087124] nbd: must specify at least one socket 04:41:51 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:51 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) [ 2948.219797] nbd: must specify at least one socket 04:41:51 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:51 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000440), r2) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r4, &(0x7f0000000780)={&(0x7f0000000640), 0xc, &(0x7f0000000240)={&(0x7f0000000680)={0x14, r3, 0x1, 0x70bd27}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, r3, 0x10, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0xc0}, 0x800) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) 04:41:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:51 executing program 1: r0 = syz_init_net_socket$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$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) 04:41:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2948.387515] nbd: must specify at least one socket 04:41:51 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r2, 0x40087705, 0x0) close$fd_v4l2_buffer(r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) 04:41:51 executing program 1: r0 = syz_init_net_socket$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$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:51 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r2, 0x40087705, 0x0) (async) close$fd_v4l2_buffer(r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) 04:41:52 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, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2948.556716] nbd: must specify at least one socket 04:41:52 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2948.696948] nbd: must specify at least one socket 04:41:52 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x58}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r2, 0x40087705, 0x0) (async) close$fd_v4l2_buffer(r2) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) 04:41:52 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 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$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x50}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x40, r1, 0x200, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x40}, 0x1, 0x0, 0x0, 0x4800}, 0x84) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) 04:41:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x48}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2948.977115] nbd: must specify at least one socket 04:41:52 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, 0x0, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x40, r1, 0x200, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x40}, 0x1, 0x0, 0x0, 0x4800}, 0x84) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x40, r1, 0x200, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x40}, 0x1, 0x0, 0x0, 0x4800}, 0x84) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) 04:41:52 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, 0x0, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2949.118115] nbd: must specify at least one socket [ 2949.137202] nbd: must specify at least one socket 04:41:52 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x30}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x40, r1, 0x200, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x40}, 0x1, 0x0, 0x0, 0x4800}, 0x84) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) 04:41:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, 0x0, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000440)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)=ANY=[@ANYBLOB='L\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00042dbd7000ffdbdf250400000006000b002100000008000700ac14143a080002000300000008000c00020000000800f0000700000008000700ffffffff08000400ffffffff"], 0x4c}, 0x1, 0x0, 0x0, 0x4000}, 0x40c1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000), 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x20, r1, 0x4, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x189}]}, 0x20}, 0x1, 0x0, 0x0, 0x24000080}, 0x800) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r3, 0x0, 0x70bd26, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000240)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x2c, r3, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2d}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24040040}, 0x44000) [ 2949.234314] nbd: must specify at least one socket 04:41:52 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x30}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x0, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) 04:41:52 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2949.394843] nbd: must specify at least one socket 04:41:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000440)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)=ANY=[@ANYBLOB='L\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00042dbd7000ffdbdf250400000006000b002100000008000700ac14143a080002000300000008000c00020000000800f0000700000008000700ffffffff08000400ffffffff"], 0x4c}, 0x1, 0x0, 0x0, 0x4000}, 0x40c1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000), 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x20, r1, 0x4, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x189}]}, 0x20}, 0x1, 0x0, 0x0, 0x24000080}, 0x800) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r3, 0x0, 0x70bd26, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000240)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x2c, r3, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2d}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24040040}, 0x44000) 04:41:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x0, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x30}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:52 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000440)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)=ANY=[@ANYBLOB='L\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00042dbd7000ffdbdf250400000006000b002100000008000700ac14143a080002000300000008000c00020000000800f0000700000008000700ffffffff08000400ffffffff"], 0x4c}, 0x1, 0x0, 0x0, 0x4000}, 0x40c1) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000440)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)=ANY=[@ANYBLOB='L\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00042dbd7000ffdbdf250400000006000b002100000008000700ac14143a080002000300000008000c00020000000800f0000700000008000700ffffffff08000400ffffffff"], 0x4c}, 0x1, 0x0, 0x0, 0x4000}, 0x40c1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000), 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x20, r1, 0x4, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x189}]}, 0x20}, 0x1, 0x0, 0x0, 0x24000080}, 0x800) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000002b00), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x20, r3, 0x0, 0x70bd26, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000240)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x2c, r3, 0x1, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2d}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24040040}, 0x44000) [ 2949.530184] nbd: must specify at least one socket 04:41:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x0, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) 04:41:53 executing program 4: r0 = syz_init_net_socket$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$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2949.615349] nbd: must specify a size in bytes for the device 04:41:53 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x7c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2949.665127] nbd: must specify at least one socket [ 2949.671973] nbd: must specify at least one socket 04:41:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)={0x40, r3, 0x8, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000090}, 0x20000800) 04:41:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) 04:41:53 executing program 4: r0 = syz_init_net_socket$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$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2949.747371] nbd: must specify a size in bytes for the device 04:41:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:53 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x3c}}, 0x10) [ 2949.809260] nbd: must specify at least one socket 04:41:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)={0x40, r3, 0x8, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000090}, 0x20000800) 04:41:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:53 executing program 4: r0 = syz_init_net_socket$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$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:53 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x3c}}, 0x0) [ 2949.890888] nbd: must specify a size in bytes for the device 04:41:53 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2949.932896] nbd: must specify at least one socket 04:41:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)={0x40, r3, 0x8, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000090}, 0x20000800) 04:41:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:53 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2950.004068] nla_parse: 115 callbacks suppressed [ 2950.004087] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2950.039411] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2950.048975] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2950.063638] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2950.077337] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 04:41:53 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:53 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2950.131417] nbd: must specify at least one socket [ 2950.148048] nbd: must specify at least one socket [ 2950.153014] nbd: must specify at least one socket [ 2950.165833] nbd: must specify at least one socket [ 2950.174357] nbd: must specify at least one socket [ 2950.179640] nbd: must specify at least one socket [ 2950.198912] nbd: must specify at least one socket 04:41:53 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2950.229287] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2950.259242] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2950.287920] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2950.310837] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2950.319930] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 04:41:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:53 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2950.359844] nbd: must specify at least one socket 04:41:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2950.387473] nbd: must specify at least one socket [ 2950.394610] nbd: must specify at least one socket [ 2950.414807] nbd: must specify at least one socket [ 2950.428824] nbd: must specify at least one socket [ 2950.448498] nbd: must specify at least one socket [ 2950.453476] nbd: must specify at least one socket [ 2950.559063] nbd: must specify at least one socket [ 2950.564795] nbd: must specify at least one socket [ 2950.569958] nbd: must specify at least one socket [ 2950.579553] nbd: must specify at least one socket [ 2950.584493] nbd: must specify at least one socket [ 2950.590501] nbd: must specify at least one socket [ 2950.595412] nbd: must specify at least one socket [ 2950.601667] nbd: must specify at least one socket [ 2950.606598] nbd: must specify at least one socket [ 2950.612226] nbd: must specify at least one socket [ 2950.617191] nbd: must specify at least one socket [ 2950.625049] nbd: must specify at least one socket [ 2950.630126] nbd: must specify at least one socket [ 2950.635092] nbd: must specify at least one socket [ 2950.640789] nbd: must specify at least one socket [ 2950.645707] nbd: must specify at least one socket [ 2950.651396] nbd: must specify at least one socket [ 2950.656377] nbd: must specify at least one socket [ 2950.662453] nbd: must specify at least one socket [ 2950.667360] nbd: must specify at least one socket [ 2950.673034] nbd: must specify at least one socket [ 2950.678142] nbd: must specify at least one socket [ 2950.684416] nbd: must specify at least one socket [ 2950.689615] nbd: must specify at least one socket [ 2950.694532] nbd: must specify at least one socket [ 2950.699641] nbd: must specify at least one socket [ 2950.704566] nbd: must specify at least one socket [ 2950.709754] nbd: must specify at least one socket [ 2950.714696] nbd: must specify at least one socket [ 2950.719824] nbd: must specify at least one socket [ 2950.724731] nbd: must specify at least one socket [ 2950.729881] nbd: must specify at least one socket [ 2950.734787] nbd: must specify at least one socket [ 2950.739884] nbd: must specify at least one socket [ 2950.744785] nbd: must specify at least one socket [ 2950.749885] nbd: must specify at least one socket [ 2950.754845] nbd: must specify at least one socket [ 2950.759954] nbd: must specify at least one socket [ 2950.764883] nbd: must specify at least one socket [ 2950.769970] nbd: must specify at least one socket [ 2950.774875] nbd: must specify at least one socket [ 2950.780519] nbd: must specify at least one socket [ 2950.786728] nbd: must specify at least one socket [ 2950.791855] nbd: must specify at least one socket [ 2950.796756] nbd: must specify at least one socket [ 2950.801851] nbd: must specify at least one socket 04:41:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_print_times', 0x400000, 0x82) r3 = socket(0xa, 0x2, 0x1000) r4 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r4, 0x40087705, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r6, 0x40087705, 0x0) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r7, 0x40087705, 0x0) r8 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r8, 0x40087705, 0x0) r9 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000001c0)='/sys/devices/tracepoint', 0x476203, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000340)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0xc8, 0x0, 0x10, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x509270f7}]}, 0xc8}, 0x1, 0x0, 0x0, 0x4000}, 0x4000000) 04:41:54 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:54 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:54 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:54 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:54 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2950.806753] nbd: must specify at least one socket [ 2950.811842] nbd: must specify at least one socket [ 2950.816740] nbd: must specify at least one socket [ 2950.821824] nbd: must specify at least one socket [ 2950.826738] nbd: must specify at least one socket 04:41:54 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:54 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:54 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:54 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:54 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2950.970909] nbd: must specify at least one socket 04:41:54 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2951.037749] nbd: must specify at least one socket 04:41:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_print_times', 0x400000, 0x82) r3 = socket(0xa, 0x2, 0x1000) r4 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r4, 0x40087705, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) (async) r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r6, 0x40087705, 0x0) (async) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r7, 0x40087705, 0x0) (async) r8 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r8, 0x40087705, 0x0) (async) r9 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000001c0)='/sys/devices/tracepoint', 0x476203, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000340)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0xc8, 0x0, 0x10, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x509270f7}]}, 0xc8}, 0x1, 0x0, 0x0, 0x4000}, 0x4000000) 04:41:54 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2951.120960] nbd: must specify at least one socket [ 2951.136187] nbd: must specify at least one socket 04:41:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_print_times', 0x400000, 0x82) r3 = socket(0xa, 0x2, 0x1000) r4 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r4, 0x40087705, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r6, 0x40087705, 0x0) r7 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r7, 0x40087705, 0x0) r8 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r8, 0x40087705, 0x0) r9 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000001c0)='/sys/devices/tracepoint', 0x476203, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000340)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0xc8, 0x0, 0x10, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x509270f7}]}, 0xc8}, 0x1, 0x0, 0x0, 0x4000}, 0x4000000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_print_times', 0x400000, 0x82) (async) socket(0xa, 0x2, 0x1000) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) ioctl$ASHMEM_SET_PROT_MASK(r4, 0x40087705, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) ioctl$ASHMEM_SET_PROT_MASK(r6, 0x40087705, 0x0) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) ioctl$ASHMEM_SET_PROT_MASK(r7, 0x40087705, 0x0) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000b00)='/sys/module/dib3000mb', 0x0, 0x0) (async) ioctl$ASHMEM_SET_PROT_MASK(r8, 0x40087705, 0x0) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f00000001c0)='/sys/devices/tracepoint', 0x476203, 0x0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000340)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0xc8, 0x0, 0x10, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x509270f7}]}, 0xc8}, 0x1, 0x0, 0x0, 0x4000}, 0x4000000) (async) 04:41:54 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) 04:41:54 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2951.315262] nbd: must specify at least one socket 04:41:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:54 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) 04:41:54 executing program 3: r0 = socket$packet(0x11, 0x2, 0x300) recvfrom$packet(r0, &(0x7f0000000240)=""/116, 0x74, 0x40000000, &(0x7f00000002c0)={0x11, 0x6, 0x0, 0x1, 0x5c}, 0x14) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) bpf$LINK_GET_FD_BY_ID(0x1e, &(0x7f0000000300), 0x4) sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=0x0, @ANYRESOCT=r1], 0x70}, 0x1, 0x0, 0x0, 0x44090}, 0x4040000) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r2, 0x200}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 04:41:54 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:54 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) 04:41:54 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:54 executing program 3: r0 = socket$packet(0x11, 0x2, 0x300) recvfrom$packet(r0, &(0x7f0000000240)=""/116, 0x74, 0x40000000, &(0x7f00000002c0)={0x11, 0x6, 0x0, 0x1, 0x5c}, 0x14) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) bpf$LINK_GET_FD_BY_ID(0x1e, &(0x7f0000000300), 0x4) (async) sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=0x0, @ANYRESOCT=r1], 0x70}, 0x1, 0x0, 0x0, 0x44090}, 0x4040000) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r2, 0x200}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 04:41:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 3: r0 = socket$packet(0x11, 0x2, 0x300) recvfrom$packet(r0, &(0x7f0000000240)=""/116, 0x74, 0x40000000, &(0x7f00000002c0)={0x11, 0x6, 0x0, 0x1, 0x5c}, 0x14) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) bpf$LINK_GET_FD_BY_ID(0x1e, &(0x7f0000000300), 0x4) (async) sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=0x0, @ANYRESOCT=r1], 0x70}, 0x1, 0x0, 0x0, 0x44090}, 0x4040000) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r2, 0x200}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) [ 2951.641418] nbd: must specify a size in bytes for the device 04:41:55 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000000200)=ANY=[@ANYBLOB="1400"/15, @ANYRES16=0x0, @ANYBLOB="0000000000000000000002000000"], 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x28, r1, 0x2, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x10}, 0x4044811) 04:41:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2951.782495] nbd: must specify a size in bytes for the device 04:41:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2951.864878] nbd: must specify at least one socket 04:41:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000000200)=ANY=[@ANYBLOB="1400"/15, @ANYRES16=0x0, @ANYBLOB="0000000000000000000002000000"], 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x28, r1, 0x2, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x10}, 0x4044811) 04:41:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000000200)=ANY=[@ANYBLOB="1400"/15, @ANYRES16=0x0, @ANYBLOB="0000000000000000000002000000"], 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x28, r1, 0x2, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x10}, 0x4044811) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x28, r1, 0x2, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xd5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x10}, 0x4044811) [ 2951.975557] nbd: must specify at least one socket [ 2951.985230] nbd: must specify at least one socket 04:41:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2952.112847] nbd: must specify at least one socket 04:41:55 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010400000000fc01000000000000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x6c, 0x0, 0x300, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_MGMT_A_DOMAIN={0xd, 0x1, '@#!![\'}\'\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x10}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0x3f}}]}, 0x6c}, 0x1, 0x0, 0x0, 0x24000050}, 0x4000) 04:41:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010400000000fc01000000000000"], 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x6c, 0x0, 0x300, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_MGMT_A_DOMAIN={0xd, 0x1, '@#!![\'}\'\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x10}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0x3f}}]}, 0x6c}, 0x1, 0x0, 0x0, 0x24000050}, 0x4000) 04:41:55 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 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, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010400000000fc01000000000000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x6c, 0x0, 0x300, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_MGMT_A_DOMAIN={0xd, 0x1, '@#!![\'}\'\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x10}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0x3f}}]}, 0x6c}, 0x1, 0x0, 0x0, 0x24000050}, 0x4000) 04:41:55 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, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2952.461514] nbd: must specify at least one socket 04:41:55 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, 0x0, 0x800, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x2404c8c0}, 0x80) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x24, r4, 0x4, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010100}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x24}, 0x1, 0x0, 0x0, 0x60000001}, 0x20008000) [ 2952.489114] nbd: must specify a size in bytes for the device 04:41:55 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2952.613799] nbd: must specify a size in bytes for the device [ 2952.647191] nbd: must specify at least one socket 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2952.660071] nbd: must specify at least one socket 04:41:56 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$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, 0x0, 0x800, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x2404c8c0}, 0x80) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x24, r4, 0x4, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010100}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x24}, 0x1, 0x0, 0x0, 0x60000001}, 0x20008000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, 0x0, 0x800, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x2404c8c0}, 0x80) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r0) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x24, r4, 0x4, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010100}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x24}, 0x1, 0x0, 0x0, 0x60000001}, 0x20008000) (async) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2952.770983] nbd: must specify a size in bytes for the device [ 2952.790667] nbd: must specify at least one socket 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2952.812141] nbd: must specify at least one socket 04:41:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x401}, 0x14}}, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000002bc0)={&(0x7f0000002ac0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000002b80)={&(0x7f0000002b40)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, 0x0, 0x800, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x2404c8c0}, 0x80) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3) (async) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x24, r4, 0x4, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010100}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x24}, 0x1, 0x0, 0x0, 0x60000001}, 0x20008000) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2952.993177] nbd: must specify at least one socket 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:56 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) 04:41:57 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2953.601064] nbd: must specify at least one socket 04:41:57 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2953.644186] nbd: must specify a size in bytes for the device 04:41:57 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2953.746025] nbd: must specify at least one socket [ 2953.762296] nbd: must specify a size in bytes for the device 04:41:57 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2953.879139] nbd: must specify at least one socket [ 2953.895720] nbd: must specify a size in bytes for the device 04:41:57 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 3: r0 = syz_init_net_socket$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$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2954.506866] nbd: must specify at least one socket 04:41:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 3: r0 = syz_init_net_socket$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$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2954.603704] nbd: must specify at least one socket 04:41:58 executing program 3: r0 = syz_init_net_socket$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$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2954.678868] nbd: must specify at least one socket 04:41:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x54, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x54}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x54, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x54}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x4c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2955.062714] nla_parse: 207 callbacks suppressed [ 2955.062725] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2955.092700] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 04:41:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x4c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2955.111968] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2955.121233] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2955.132656] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 04:41:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2955.174458] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2955.206936] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 04:41:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x4c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2955.263536] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2955.301649] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2955.325396] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 04:41:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}}, 0x10) 04:41:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x4c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) 04:41:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x4c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}}, 0x10) 04:41:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) 04:41:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x4c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x10) 04:41:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}}, 0x10) 04:41:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x4c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2955.931979] nbd: must specify a size in bytes for the device 04:41:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x4c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}}, 0x0) 04:41:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2956.071641] nbd: must specify at least one socket 04:41:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x4c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2956.201229] nbd: must specify at least one socket 04:41:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x48}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2956.361656] nbd: must specify at least one socket 04:41:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={0x0}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x48}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x4c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:41:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x40}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x4c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x48}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x40}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x4c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x40}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x40}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x40}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x40}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:00 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x4c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x40}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x40}}, 0x10) 04:42:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x4c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x40}}, 0x10) 04:42:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x4c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x40}}, 0x0) 04:42:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x40}}, 0x0) 04:42:01 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2958.147113] nbd: must specify a size in bytes for the device 04:42:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x58}}, 0x10) 04:42:01 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:01 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:02 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, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:02 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:02 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}}, 0x10) 04:42:02 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:02 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, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:02 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x58}}, 0x10) 04:42:02 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:02 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:02 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, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:02 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}}, 0x10) 04:42:02 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:02 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x58}}, 0x10) 04:42:02 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$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:02 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:02 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:02 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:02 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:02 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:02 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}}, 0x10) 04:42:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x8044}, 0x0) 04:42:02 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:02 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2959.468608] nbd: must specify at least one socket 04:42:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:03 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x0) 04:42:03 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$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:03 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x8044}, 0x0) 04:42:03 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:03 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2959.667373] nbd: must specify at least one socket 04:42:03 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:03 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x0) 04:42:03 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:03 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:03 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) 04:42:03 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x8044}, 0x0) [ 2959.872900] nbd: must specify at least one socket 04:42:03 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2959.949410] ================================================================== [ 2959.957011] BUG: KASAN: use-after-free in refcount_dec_not_one+0x71/0x1d0 [ 2959.963946] Read of size 4 at addr ffff88809edd9898 by task systemd-udevd/10719 [ 2959.971393] [ 2959.973037] CPU: 1 PID: 10719 Comm: systemd-udevd Not tainted 4.19.211-syzkaller #0 [ 2959.980830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 2959.990190] Call Trace: [ 2959.992821] dump_stack+0x1fc/0x2ef [ 2959.996485] print_address_description.cold+0x54/0x219 [ 2960.001786] kasan_report_error.cold+0x8a/0x1b9 [ 2960.006469] ? refcount_dec_not_one+0x71/0x1d0 [ 2960.011055] kasan_report+0x8f/0xa0 [ 2960.014701] ? refcount_dec_not_one+0x71/0x1d0 [ 2960.019298] refcount_dec_not_one+0x71/0x1d0 [ 2960.023721] ? refcount_dec_and_test_checked+0x20/0x20 [ 2960.029013] ? nbd_config_put+0x5da/0x870 [ 2960.033217] refcount_dec_and_mutex_lock+0x1c/0x80 [ 2960.038209] nbd_release+0x108/0x170 [ 2960.041931] ? nbd_queue_rq+0xe60/0xe60 [ 2960.045913] __blkdev_put+0x636/0x870 [ 2960.049724] ? fsync_bdev+0xc0/0xc0 [ 2960.053355] ? locks_remove_file+0x2cd/0x450 [ 2960.057773] ? blkdev_put+0x85/0x520 [ 2960.061488] ? blkdev_put+0x520/0x520 [ 2960.065291] blkdev_close+0x86/0xb0 [ 2960.068944] __fput+0x2ce/0x890 [ 2960.072233] task_work_run+0x148/0x1c0 [ 2960.076124] exit_to_usermode_loop+0x251/0x2a0 [ 2960.080715] do_syscall_64+0x538/0x620 [ 2960.084610] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2960.089799] RIP: 0033:0x7f0610230270 04:42:03 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$nbd(&(0x7f0000000280), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x8044}, 0x10) [ 2960.093514] Code: 73 01 c3 48 8b 0d 38 7d 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 59 c1 20 00 00 75 10 b8 03 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 ee fb ff ff 48 89 04 24 [ 2960.112419] RSP: 002b:00007ffd322c8348 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 2960.120136] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f0610230270 [ 2960.127409] RDX: 000000000aba9500 RSI: 0000000000000000 RDI: 0000000000000007 [ 2960.135111] RBP: 00007f06110ea710 R08: 0000000000000045 R09: 0000000000000018 [ 2960.142384] R10: 0000557e24c53fb8 R11: 0000000000000246 R12: 0000000000000000 [ 2960.149658] R13: 0000557e24c53e20 R14: 0000000000000003 R15: 000000000000000e [ 2960.156936] [ 2960.158557] Allocated by task 10714: [ 2960.162270] kmem_cache_alloc_trace+0x12f/0x380 [ 2960.166939] nbd_dev_add+0x44/0x890 [ 2960.170569] nbd_genl_connect+0x4cc/0x1630 [ 2960.174803] genl_family_rcv_msg+0x642/0xc40 [ 2960.179208] genl_rcv_msg+0xbf/0x160 [ 2960.182946] netlink_rcv_skb+0x160/0x440 [ 2960.187006] genl_rcv+0x24/0x40 [ 2960.190289] netlink_unicast+0x4d5/0x690 [ 2960.194344] netlink_sendmsg+0x6c3/0xc50 [ 2960.198401] sock_sendmsg+0xc3/0x120 [ 2960.202113] ___sys_sendmsg+0x7bb/0x8e0 [ 2960.206083] __x64_sys_sendmsg+0x132/0x220 [ 2960.210324] do_syscall_64+0xf9/0x620 [ 2960.214125] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2960.219305] [ 2960.220929] Freed by task 10719: [ 2960.224296] kfree+0xcc/0x210 [ 2960.227454] nbd_put.part.0+0xfe/0x140 [ 2960.231335] nbd_config_put+0x6a0/0x870 [ 2960.235300] nbd_release+0xf4/0x170 [ 2960.238925] __blkdev_put+0x636/0x870 [ 2960.242715] blkdev_close+0x86/0xb0 [ 2960.246324] __fput+0x2ce/0x890 [ 2960.249592] task_work_run+0x148/0x1c0 [ 2960.253463] exit_to_usermode_loop+0x251/0x2a0 [ 2960.258037] do_syscall_64+0x538/0x620 [ 2960.261941] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2960.267116] [ 2960.268736] The buggy address belongs to the object at ffff88809edd97c0 [ 2960.268736] which belongs to the cache kmalloc-512 of size 512 [ 2960.281384] The buggy address is located 216 bytes inside of [ 2960.281384] 512-byte region [ffff88809edd97c0, ffff88809edd99c0) [ 2960.293256] The buggy address belongs to the page: [ 2960.298178] page:ffffea00027b7640 count:1 mapcount:0 mapping:ffff88813bff0940 index:0x0 [ 2960.306319] flags: 0xfff00000000100(slab) [ 2960.310464] raw: 00fff00000000100 ffffea00025f5f48 ffffea00027a1d88 ffff88813bff0940 [ 2960.318340] raw: 0000000000000000 ffff88809edd9040 0000000100000006 0000000000000000 [ 2960.326219] page dumped because: kasan: bad access detected [ 2960.331924] [ 2960.333545] Memory state around the buggy address: [ 2960.338466] ffff88809edd9780: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 2960.345816] ffff88809edd9800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2960.353188] >ffff88809edd9880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2960.360540] ^ [ 2960.364674] ffff88809edd9900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2960.372054] ffff88809edd9980: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 2960.379397] ================================================================== [ 2960.386743] Disabling lock debugging due to kernel taint [ 2960.394872] ieee802154 phy0 wpan0: encryption failed: -22 [ 2960.400520] ieee802154 phy1 wpan1: encryption failed: -22 [ 2960.409892] Kernel panic - not syncing: panic_on_warn set ... [ 2960.409892] [ 2960.417280] CPU: 1 PID: 10719 Comm: systemd-udevd Tainted: G B 4.19.211-syzkaller #0 [ 2960.426460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 2960.435812] Call Trace: [ 2960.438403] dump_stack+0x1fc/0x2ef [ 2960.442029] panic+0x26a/0x50e [ 2960.445220] ? __warn_printk+0xf3/0xf3 [ 2960.449101] ? preempt_schedule_common+0x45/0xc0 [ 2960.453843] ? ___preempt_schedule+0x16/0x18 [ 2960.458240] ? trace_hardirqs_on+0x55/0x210 [ 2960.462547] kasan_end_report+0x43/0x49 [ 2960.466518] kasan_report_error.cold+0xa7/0x1b9 [ 2960.471177] ? refcount_dec_not_one+0x71/0x1d0 [ 2960.475740] kasan_report+0x8f/0xa0 [ 2960.479356] ? refcount_dec_not_one+0x71/0x1d0 [ 2960.483931] refcount_dec_not_one+0x71/0x1d0 [ 2960.488332] ? refcount_dec_and_test_checked+0x20/0x20 [ 2960.493607] ? nbd_config_put+0x5da/0x870 [ 2960.497749] refcount_dec_and_mutex_lock+0x1c/0x80 [ 2960.502672] nbd_release+0x108/0x170 [ 2960.506377] ? nbd_queue_rq+0xe60/0xe60 [ 2960.510340] __blkdev_put+0x636/0x870 [ 2960.514131] ? fsync_bdev+0xc0/0xc0 [ 2960.517742] ? locks_remove_file+0x2cd/0x450 [ 2960.522136] ? blkdev_put+0x85/0x520 [ 2960.525847] ? blkdev_put+0x520/0x520 [ 2960.529633] blkdev_close+0x86/0xb0 [ 2960.533245] __fput+0x2ce/0x890 [ 2960.536511] task_work_run+0x148/0x1c0 [ 2960.540393] exit_to_usermode_loop+0x251/0x2a0 [ 2960.544967] do_syscall_64+0x538/0x620 [ 2960.548846] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 2960.554026] RIP: 0033:0x7f0610230270 [ 2960.557720] Code: 73 01 c3 48 8b 0d 38 7d 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 59 c1 20 00 00 75 10 b8 03 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 ee fb ff ff 48 89 04 24 [ 2960.576608] RSP: 002b:00007ffd322c8348 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 2960.584312] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f0610230270 [ 2960.591576] RDX: 000000000aba9500 RSI: 0000000000000000 RDI: 0000000000000007 [ 2960.598833] RBP: 00007f06110ea710 R08: 0000000000000045 R09: 0000000000000018 [ 2960.606095] R10: 0000557e24c53fb8 R11: 0000000000000246 R12: 0000000000000000 [ 2960.613352] R13: 0000557e24c53e20 R14: 0000000000000003 R15: 000000000000000e [ 2960.620784] Kernel Offset: disabled [ 2960.624400] Rebooting in 86400 seconds..