BD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 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$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x1c, r1, 0x200, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x400c880}, 0x4000000) 20:23:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '#'}]}, 0x30}}, 0x0) 20:23:11 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 633.035801] nbd: must specify a device to reconfigure 20:23:11 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r4, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(r4, 0x4c08, 0x7) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 633.075234] block nbd3: not configured, cannot reconfigure 20:23:11 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, 0x0, 0x0) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r6, 0x28, 0x6, 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f00000001c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000340)={{0x1, 0x1, 0x18}, './file0\x00'}) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) r7 = syz_open_dev$swradio(&(0x7f0000000440), 0x0, 0x2) ioctl$VIDIOC_REQBUFS(r7, 0xc0145608, &(0x7f0000000000)={0x0, 0x9}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, r4, 0x0, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x23}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x10001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe8d}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffff7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x7c}, 0x1, 0x0, 0x0, 0x805}, 0x14) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000180)={0x3}, 0x8) 20:23:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) [ 633.153461] nbd: must specify a device to reconfigure 20:23:11 executing program 4: syz_init_net_socket$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_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r4, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(r4, 0x4c08, 0x7) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 633.207115] nbd: must specify a device to reconfigure 20:23:11 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:11 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r4, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r6, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(r4, 0x4c08, 0x7) r7 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r7, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r3) (async, rerun: 32) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r5, 0x0, 0x0) (async, rerun: 64) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) (rerun: 64) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r6, 0x28, 0x6, 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f00000001c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) (async, rerun: 32) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000340)={{0x1, 0x1, 0x18}, './file0\x00'}) (rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) (async) r7 = syz_open_dev$swradio(&(0x7f0000000440), 0x0, 0x2) ioctl$VIDIOC_REQBUFS(r7, 0xc0145608, &(0x7f0000000000)={0x0, 0x9}) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, r4, 0x0, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x23}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x10001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe8d}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffff7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x7c}, 0x1, 0x0, 0x0, 0x805}, 0x14) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000180)={0x3}, 0x8) [ 633.230793] block nbd2: not configured, cannot reconfigure 20:23:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) [ 633.294490] nbd: must specify a device to reconfigure 20:23:11 executing program 4: syz_init_net_socket$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_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r4, 0x28, 0x6, 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(r4, 0x4c08, 0x7) r5 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:11 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r4, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r6, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(r4, 0x4c08, 0x7) r7 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r7, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 633.317441] nbd: must specify a device to reconfigure 20:23:11 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:11 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 633.388723] nbd: must specify a device to reconfigure 20:23:11 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r4, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r6, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(r4, 0x4c08, 0x7) r7 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r7, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) [ 633.417366] nbd: must specify a device to reconfigure [ 633.430102] block nbd2: not configured, cannot reconfigure 20:23:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r3) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, 0x0, 0x0) (async) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r6, 0x28, 0x6, 0x0, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f00000001c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000340)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) (async) r7 = syz_open_dev$swradio(&(0x7f0000000440), 0x0, 0x2) ioctl$VIDIOC_REQBUFS(r7, 0xc0145608, &(0x7f0000000000)={0x0, 0x9}) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, r4, 0x0, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x23}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x10001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe8d}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffff7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x7c}, 0x1, 0x0, 0x0, 0x805}, 0x14) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000180)={0x3}, 0x8) 20:23:11 executing program 4: syz_init_net_socket$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_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r4, 0x28, 0x6, 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(r4, 0x4c08, 0x7) r5 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 633.514362] nbd: must specify a device to reconfigure 20:23:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r4, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r6, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(r4, 0x4c08, 0x7) r7 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 4: syz_init_net_socket$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_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r4, 0x28, 0x6, 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(r4, 0x4c08, 0x7) r5 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 633.540582] nbd: must specify a device to reconfigure 20:23:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r1, 0x308, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x40}, 0x4040000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1cffff00", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000003242289f00000000"], 0x1c}}, 0x0) 20:23:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 633.573628] block nbd2: not configured, cannot reconfigure [ 633.603252] nbd: must specify a device to reconfigure 20:23:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r4, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r6, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(r4, 0x4c08, 0x7) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 633.620666] nbd: must specify a device to reconfigure 20:23:11 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r1, 0x308, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x40}, 0x4040000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1cffff00", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000003242289f00000000"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, 0x0, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r1, 0x308, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x40}, 0x4040000) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1cffff00", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000003242289f00000000"], 0x1c}}, 0x0) (async) 20:23:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(r4, 0x4c08, 0x7) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, 0x0, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r1, 0x308, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x40}, 0x4040000) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1cffff00", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000003242289f00000000"], 0x1c}}, 0x0) 20:23:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r4, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r6, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:11 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(r4, 0x4c08, 0x7) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 633.738387] nbd: must specify a device to reconfigure [ 633.748152] nbd: must specify a device to reconfigure 20:23:11 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x0, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r3, 0x28, 0x6, 0x0, 0x0) bpf$LINK_DETACH(0x22, &(0x7f0000000080)=r3, 0x4) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r3, 0xc0189375, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r3}, './file0\x00'}) ioctl$VIDIOC_S_FMT(r4, 0xc0d05605, &(0x7f0000000100)={0xc, @sliced={0x9, [0xffff, 0x24f, 0xfff, 0x8, 0x100, 0x9, 0x3, 0x7, 0xf3, 0x504, 0x200, 0x7, 0x800, 0x5, 0x0, 0x4, 0x2, 0xfff, 0x9, 0x1, 0x80, 0x7, 0x6, 0x1, 0x7, 0x9, 0x8000, 0x0, 0x1, 0xd8c, 0x8, 0x4, 0x3, 0x7, 0xff, 0x1, 0x0, 0xffff, 0x7fff, 0x2e0, 0x8001, 0x9, 0x5, 0x4, 0x81, 0x401, 0xf6, 0x401], 0x400}}) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) [ 633.847809] nbd: must specify a device to reconfigure 20:23:12 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r4, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 4: syz_init_net_socket$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_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(r4, 0x4c08, 0x7) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 633.868337] nbd: must specify a device to reconfigure 20:23:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r3, 0x28, 0x6, 0x0, 0x0) (async) bpf$LINK_DETACH(0x22, &(0x7f0000000080)=r3, 0x4) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r3, 0xc0189375, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r3}, './file0\x00'}) ioctl$VIDIOC_S_FMT(r4, 0xc0d05605, &(0x7f0000000100)={0xc, @sliced={0x9, [0xffff, 0x24f, 0xfff, 0x8, 0x100, 0x9, 0x3, 0x7, 0xf3, 0x504, 0x200, 0x7, 0x800, 0x5, 0x0, 0x4, 0x2, 0xfff, 0x9, 0x1, 0x80, 0x7, 0x6, 0x1, 0x7, 0x9, 0x8000, 0x0, 0x1, 0xd8c, 0x8, 0x4, 0x3, 0x7, 0xff, 0x1, 0x0, 0xffff, 0x7fff, 0x2e0, 0x8001, 0x9, 0x5, 0x4, 0x81, 0x401, 0xf6, 0x401], 0x400}}) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) [ 633.908720] block nbd2: not configured, cannot reconfigure [ 633.941125] nbd: must specify a device to reconfigure 20:23:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r4, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xb8, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0xb8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 633.977796] nbd: must specify a device to reconfigure 20:23:12 executing program 4: syz_init_net_socket$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_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r5 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r3, 0x28, 0x6, 0x0, 0x0) bpf$LINK_DETACH(0x22, &(0x7f0000000080)=r3, 0x4) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r3, 0xc0189375, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r3}, './file0\x00'}) ioctl$VIDIOC_S_FMT(r4, 0xc0d05605, &(0x7f0000000100)={0xc, @sliced={0x9, [0xffff, 0x24f, 0xfff, 0x8, 0x100, 0x9, 0x3, 0x7, 0xf3, 0x504, 0x200, 0x7, 0x800, 0x5, 0x0, 0x4, 0x2, 0xfff, 0x9, 0x1, 0x80, 0x7, 0x6, 0x1, 0x7, 0x9, 0x8000, 0x0, 0x1, 0xd8c, 0x8, 0x4, 0x3, 0x7, 0xff, 0x1, 0x0, 0xffff, 0x7fff, 0x2e0, 0x8001, 0x9, 0x5, 0x4, 0x81, 0x401, 0xf6, 0x401], 0x400}}) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) (async) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r3, 0x28, 0x6, 0x0, 0x0) (async) bpf$LINK_DETACH(0x22, &(0x7f0000000080)=r3, 0x4) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r3, 0xc0189375, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r3}, './file0\x00'}) (async) ioctl$VIDIOC_S_FMT(r4, 0xc0d05605, &(0x7f0000000100)={0xc, @sliced={0x9, [0xffff, 0x24f, 0xfff, 0x8, 0x100, 0x9, 0x3, 0x7, 0xf3, 0x504, 0x200, 0x7, 0x800, 0x5, 0x0, 0x4, 0x2, 0xfff, 0x9, 0x1, 0x80, 0x7, 0x6, 0x1, 0x7, 0x9, 0x8000, 0x0, 0x1, 0xd8c, 0x8, 0x4, 0x3, 0x7, 0xff, 0x1, 0x0, 0xffff, 0x7fff, 0x2e0, 0x8001, 0x9, 0x5, 0x4, 0x81, 0x401, 0xf6, 0x401], 0x400}}) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) 20:23:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x7c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 634.034883] block nbd2: not configured, cannot reconfigure [ 634.070352] nbd: must specify a device to reconfigure 20:23:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r4, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 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$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 634.089813] nbd: must specify a device to reconfigure 20:23:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 634.127050] block nbd2: not configured, cannot reconfigure 20:23:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000100)={&(0x7f0000000040)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x67, 0x67, 0x4, [@var={0xf, 0x0, 0x0, 0xe, 0x2}, @datasec={0xc, 0x6, 0x0, 0xf, 0x3, [{0x3, 0x3, 0x504}, {0x2, 0x40000000, 0x9}, {0x3, 0x6, 0x1f}, {0x2, 0x101, 0x4}, {0x4, 0x0, 0x9}, {0x3, 0x6, 0x20}], "a6151f"}]}, {0x0, [0x2e, 0x61]}}, &(0x7f0000000340)=""/4096, 0x84, 0x1000, 0x1}, 0x20) bpf$BPF_GET_BTF_INFO(0xf, &(0x7f00000001c0)={r1, 0x20, &(0x7f0000000180)={&(0x7f0000001340)=""/4096, 0x1000, 0x0, &(0x7f0000000140)}}, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 634.187280] nbd: must specify a device to reconfigure [ 634.201849] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 634.215963] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 634.233940] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 634.244074] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 634.257865] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 634.267279] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 20:23:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x0, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 4: syz_init_net_socket$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) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 634.281099] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 634.300946] block nbd2: not configured, cannot reconfigure 20:23:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000100)={&(0x7f0000000040)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x67, 0x67, 0x4, [@var={0xf, 0x0, 0x0, 0xe, 0x2}, @datasec={0xc, 0x6, 0x0, 0xf, 0x3, [{0x3, 0x3, 0x504}, {0x2, 0x40000000, 0x9}, {0x3, 0x6, 0x1f}, {0x2, 0x101, 0x4}, {0x4, 0x0, 0x9}, {0x3, 0x6, 0x20}], "a6151f"}]}, {0x0, [0x2e, 0x61]}}, &(0x7f0000000340)=""/4096, 0x84, 0x1000, 0x1}, 0x20) bpf$BPF_GET_BTF_INFO(0xf, &(0x7f00000001c0)={r1, 0x20, &(0x7f0000000180)={&(0x7f0000001340)=""/4096, 0x1000, 0x0, &(0x7f0000000140)}}, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 20:23:12 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 634.331029] nbd: must specify a device to reconfigure 20:23:12 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 4: syz_init_net_socket$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) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000100)={&(0x7f0000000040)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x67, 0x67, 0x4, [@var={0xf, 0x0, 0x0, 0xe, 0x2}, @datasec={0xc, 0x6, 0x0, 0xf, 0x3, [{0x3, 0x3, 0x504}, {0x2, 0x40000000, 0x9}, {0x3, 0x6, 0x1f}, {0x2, 0x101, 0x4}, {0x4, 0x0, 0x9}, {0x3, 0x6, 0x20}], "a6151f"}]}, {0x0, [0x2e, 0x61]}}, &(0x7f0000000340)=""/4096, 0x84, 0x1000, 0x1}, 0x20) bpf$BPF_GET_BTF_INFO(0xf, &(0x7f00000001c0)={r1, 0x20, &(0x7f0000000180)={&(0x7f0000001340)=""/4096, 0x1000, 0x0, &(0x7f0000000140)}}, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000100)={&(0x7f0000000040)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x67, 0x67, 0x4, [@var={0xf, 0x0, 0x0, 0xe, 0x2}, @datasec={0xc, 0x6, 0x0, 0xf, 0x3, [{0x3, 0x3, 0x504}, {0x2, 0x40000000, 0x9}, {0x3, 0x6, 0x1f}, {0x2, 0x101, 0x4}, {0x4, 0x0, 0x9}, {0x3, 0x6, 0x20}], "a6151f"}]}, {0x0, [0x2e, 0x61]}}, &(0x7f0000000340)=""/4096, 0x84, 0x1000, 0x1}, 0x20) (async) bpf$BPF_GET_BTF_INFO(0xf, &(0x7f00000001c0)={r1, 0x20, &(0x7f0000000180)={&(0x7f0000001340)=""/4096, 0x1000, 0x0, &(0x7f0000000140)}}, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) 20:23:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xb8, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0xb8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 634.403151] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 634.433891] nbd: must specify a device to reconfigure 20:23:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x7c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r2 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r1}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 634.491390] block nbd2: not configured, cannot reconfigure 20:23:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x0, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 2: r0 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000040), 0xa0000, 0x0) r1 = syz_init_net_socket$x25(0x9, 0x5, 0x0) connect$x25(r1, &(0x7f00000000c0), 0x12) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)=ANY=[@ANYBLOB=',\x00@\x00', @ANYRES16=r3, @ANYBLOB="0100fcffff0800000000030000000c00020001010000000000000c0008000100010000000000bf73cb27b07743066d851e961e2d371fbe969a49cb3ab0c63467f05872e47c64f0ef8e49b7a2c91ce290b531c216cd2045faf7c4d33d964464ee95219d6038969904"], 0x2c}}, 0x20048000) [ 634.532938] block nbd2: not configured, cannot reconfigure [ 634.551891] nbd: must specify a device to reconfigure 20:23:12 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r2 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r1}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 2: r0 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000040), 0xa0000, 0x0) r1 = syz_init_net_socket$x25(0x9, 0x5, 0x0) connect$x25(r1, &(0x7f00000000c0), 0x12) (async) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r2) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)=ANY=[@ANYBLOB=',\x00@\x00', @ANYRES16=r3, @ANYBLOB="0100fcffff0800000000030000000c00020001010000000000000c0008000100010000000000bf73cb27b07743066d851e961e2d371fbe969a49cb3ab0c63467f05872e47c64f0ef8e49b7a2c91ce290b531c216cd2045faf7c4d33d964464ee95219d6038969904"], 0x2c}}, 0x20048000) 20:23:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r2 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r1}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xb8, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0xb8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 2: r0 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000040), 0xa0000, 0x0) r1 = syz_init_net_socket$x25(0x9, 0x5, 0x0) connect$x25(r1, &(0x7f00000000c0), 0x12) (async) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r2) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)=ANY=[@ANYBLOB=',\x00@\x00', @ANYRES16=r3, @ANYBLOB="0100fcffff0800000000030000000c00020001010000000000000c0008000100010000000000bf73cb27b07743066d851e961e2d371fbe969a49cb3ab0c63467f05872e47c64f0ef8e49b7a2c91ce290b531c216cd2045faf7c4d33d964464ee95219d6038969904"], 0x2c}}, 0x20048000) 20:23:12 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 4: syz_init_net_socket$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$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x7c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:12 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 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(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 634.834456] nbd: must specify a size in bytes for the device 20:23:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 2: syz_init_net_socket$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$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 634.900814] nbd: must specify a size in bytes for the device 20:23:13 executing program 4: syz_init_net_socket$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$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 2: syz_init_net_socket$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$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 2: syz_init_net_socket$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$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 635.024984] nbd: must specify a size in bytes for the device 20:23:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 2: syz_init_net_socket$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$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 635.154344] nbd: must specify a size in bytes for the device 20:23:13 executing program 2: 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(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 2: 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(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 635.266028] nbd: must specify a size in bytes for the device 20:23:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 2: 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(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 2: syz_init_net_socket$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$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 635.397486] nbd: must specify a size in bytes for the device 20:23:13 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 635.451168] nbd: must specify at least one socket [ 635.467879] nbd: must specify a size in bytes for the device 20:23:13 executing program 2: 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(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 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$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 2: 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(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 635.543478] nbd: must specify at least one socket 20:23:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 635.580195] nbd: must specify a size in bytes for the device 20:23:13 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 635.647740] nbd: must specify at least one socket 20:23:13 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 635.710867] nbd: must specify a size in bytes for the device 20:23:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x60}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:13 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 635.792604] nbd: must specify at least one socket 20:23:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x50}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 635.883779] nbd: must specify at least one socket 20:23:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 635.980809] nbd: must specify at least one socket 20:23:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x40}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x60}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 636.104570] nbd: must specify at least one socket 20:23:14 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x38}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x38}}, 0x40040) [ 636.193199] nbd: must specify at least one socket 20:23:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x50}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x38}}, 0x0) 20:23:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:14 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 636.314697] nbd: must specify at least one socket 20:23:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x40}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x60}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x38}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 1: r0 = syz_init_net_socket$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$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x38}}, 0x40040) 20:23:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x50}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x50}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x38}}, 0x0) 20:23:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x40}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 5: syz_init_net_socket$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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x38}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x38}}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x38}}, 0x0) 20:23:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 636.933929] nbd: must specify a size in bytes for the device 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x38}}, 0x0) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 637.116544] nbd: must specify a size in bytes for the device [ 637.137025] nbd: must specify a size in bytes for the device 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x38}}, 0x0) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:15 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 637.427633] nla_parse: 118 callbacks suppressed [ 637.427639] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 637.461612] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 20:23:15 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r2 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r1}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r2 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r1}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 637.475715] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 637.485467] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 637.495267] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 637.505000] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 637.517186] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x0, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 executing program 5: r0 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000040), 0xa0000, 0x0) r1 = syz_init_net_socket$x25(0x9, 0x5, 0x0) connect$x25(r1, &(0x7f00000000c0), 0x12) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)=ANY=[@ANYBLOB=',\x00@\x00', @ANYRES16=r3, @ANYBLOB="0100fcffff0800000000030000000c00020001010000000000000c0008000100010000000000bf73cb27b07743066d851e961e2d371fbe969a49cb3ab0c63467f05872e47c64f0ef8e49b7a2c91ce290b531c216cd2045faf7c4d33d964464ee95219d6038969904"], 0x2c}}, 0x20048000) 20:23:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 637.655387] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x0, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 637.697167] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 637.723641] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 20:23:15 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xb8, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0xb8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x7c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x0, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xb8, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0xb8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 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$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 638.675867] nbd: must specify a size in bytes for the device 20:23:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x7c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 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$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x7c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 638.806505] nbd: must specify a size in bytes for the device 20:23:17 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$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 638.914813] nbd: must specify a size in bytes for the device 20:23:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 639.364246] nbd: must specify at least one socket 20:23:17 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 639.450217] nbd: must specify at least one socket 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 639.546805] nbd: must specify at least one socket 20:23:17 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x0, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x60}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 639.635930] nbd: must specify a size in bytes for the device 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x0, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:17 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) [ 639.749258] nbd: must specify a size in bytes for the device 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x50}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x0, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 639.833707] nbd: must specify a size in bytes for the device 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x40}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x38}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x38}}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}]}, 0xb8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}]}, 0xb8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x38}}, 0x0) [ 640.256837] nbd: must specify at least one socket 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}]}, 0xb8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xcc, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0xcc}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}]}, 0xb8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 640.397142] nbd: must specify at least one socket 20:23:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xc4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xc4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 640.484844] nbd: must specify at least one socket 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xc4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xc4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x60}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xc4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xc4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x60}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xbc, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x4}]}, 0xbc}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 640.648359] nbd: must specify a size in bytes for the device 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xbc, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x4}]}, 0xbc}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 640.744563] nbd: must specify a size in bytes for the device 20:23:18 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 640.843139] nbd: must specify a size in bytes for the device 20:23:19 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x50}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xbc, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x4}]}, 0xbc}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x0, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 640.943541] nbd: must specify a size in bytes for the device 20:23:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x88, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x88}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x40}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 641.061410] nbd: must specify a size in bytes for the device 20:23:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x88, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x88}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 641.129980] nbd: must specify at least one socket 20:23:19 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x38}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 641.170886] nbd: must specify at least one socket 20:23:19 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x88, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x88}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 641.203312] nbd: must specify a size in bytes for the device 20:23:19 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x38}}, 0x40040) 20:23:19 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 641.270054] nbd: must specify at least one socket 20:23:19 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 641.309868] nbd: must specify a size in bytes for the device 20:23:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xbc, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xbc}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x38}}, 0x40040) 20:23:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 641.405894] nbd: must specify at least one socket 20:23:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x54, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x54}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 641.433279] nbd: must specify a size in bytes for the device 20:23:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x38}}, 0x0) 20:23:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xbc, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xbc}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x4c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 641.530033] nbd: must specify at least one socket [ 641.538816] nbd: must specify a size in bytes for the device 20:23:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 641.590951] nbd: must specify at least one socket 20:23:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xbc, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xbc}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x54, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x54}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 641.649205] nbd: must specify at least one socket 20:23:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x4c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xc4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xc4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:19 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x4c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 641.793550] nbd: must specify at least one socket 20:23:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xc4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xc4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 641.931336] nbd: must specify at least one socket 20:23:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xc4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xc4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xbc, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xbc}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 642.057700] nbd: must specify at least one socket 20:23:20 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xc4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xc4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xbc, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xbc}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 642.145304] nbd: must specify a size in bytes for the device 20:23:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xbc, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xbc}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x48}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xbc, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xbc}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x40}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}}, 0x40040) [ 642.446996] nla_parse: 294 callbacks suppressed [ 642.447002] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 642.483588] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 20:23:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 642.511975] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 642.523500] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 642.536534] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 642.553300] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 20:23:20 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 642.566370] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 642.579695] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 20:23:20 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$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}}, 0x40040) 20:23:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xbc, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xbc}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}}, 0x40040) 20:23:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 642.625800] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 642.653150] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 20:23:20 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}}, 0x0) 20:23:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xbc, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xbc}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}}, 0x0) 20:23:20 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xbc, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xbc}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xbc, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xbc}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}}, 0x40040) 20:23:21 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x48}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x7c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xbc, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xbc}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xbc, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xbc}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:21 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x7c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xb8, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0xb8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:21 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 643.064052] nbd: must specify a size in bytes for the device 20:23:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x40}}, 0x40040) 20:23:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 643.195090] nbd: must specify a size in bytes for the device 20:23:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x40}}, 0x0) 20:23:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 643.327577] nbd: must specify a size in bytes for the device 20:23:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xbc, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xbc}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xbc, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xbc}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xbc, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xbc}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xbc, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xbc}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x7c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xbc, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xbc}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 644.047546] nbd: must specify a device to reconfigure 20:23:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 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$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 644.231023] nbd: must specify a device to reconfigure 20:23:22 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 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$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 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$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 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$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\'+['}]}, 0x1c}}, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r4, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(r4, 0x4c08, 0x7) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xd4, r3, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, 0x0, 0x0) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r6, 0x28, 0x6, 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f00000001c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000340)={{0x1, 0x1, 0x18}, './file0\x00'}) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) r7 = syz_open_dev$swradio(&(0x7f0000000440), 0x0, 0x2) ioctl$VIDIOC_REQBUFS(r7, 0xc0145608, &(0x7f0000000000)={0x0, 0x9}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, r4, 0x0, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x23}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x10001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe8d}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffff7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x7c}, 0x1, 0x0, 0x0, 0x805}, 0x14) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000180)={0x3}, 0x8) 20:23:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 644.471275] nbd: must specify a device to reconfigure 20:23:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, 0x0, 0x0) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r6, 0x28, 0x6, 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f00000001c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000340)={{0x1, 0x1, 0x18}, './file0\x00'}) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) r7 = syz_open_dev$swradio(&(0x7f0000000440), 0x0, 0x2) ioctl$VIDIOC_REQBUFS(r7, 0xc0145608, &(0x7f0000000000)={0x0, 0x9}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, r4, 0x0, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x23}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x10001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe8d}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffff7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x7c}, 0x1, 0x0, 0x0, 0x805}, 0x14) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000180)={0x3}, 0x8) 20:23:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 644.513026] nbd: must specify a size in bytes for the device 20:23:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 644.572280] block nbd2: not configured, cannot reconfigure 20:23:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, 0x0, 0x0) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r6, 0x28, 0x6, 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f00000001c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000340)={{0x1, 0x1, 0x18}, './file0\x00'}) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) r7 = syz_open_dev$swradio(&(0x7f0000000440), 0x0, 0x2) ioctl$VIDIOC_REQBUFS(r7, 0xc0145608, &(0x7f0000000000)={0x0, 0x9}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, r4, 0x0, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x23}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x10001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe8d}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffff7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x7c}, 0x1, 0x0, 0x0, 0x805}, 0x14) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000180)={0x3}, 0x8) 20:23:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 644.615477] block nbd1: not configured, cannot reconfigure [ 644.636415] nbd: must specify a size in bytes for the device 20:23:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 644.729114] nbd: must specify a size in bytes for the device 20:23:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 644.774607] block nbd1: not configured, cannot reconfigure [ 644.790946] nbd: must specify a size in bytes for the device 20:23:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, 0x0, 0x0) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r6, 0x28, 0x6, 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f00000001c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000340)={{0x1, 0x1, 0x18}, './file0\x00'}) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) r7 = syz_open_dev$swradio(&(0x7f0000000440), 0x0, 0x2) ioctl$VIDIOC_REQBUFS(r7, 0xc0145608, &(0x7f0000000000)={0x0, 0x9}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, r4, 0x0, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x23}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x10001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe8d}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffff7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x7c}, 0x1, 0x0, 0x0, 0x805}, 0x14) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000180)={0x3}, 0x8) 20:23:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, 0x0, 0x0) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r6, 0x28, 0x6, 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f00000001c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000340)={{0x1, 0x1, 0x18}, './file0\x00'}) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) r7 = syz_open_dev$swradio(&(0x7f0000000440), 0x0, 0x2) ioctl$VIDIOC_REQBUFS(r7, 0xc0145608, &(0x7f0000000000)={0x0, 0x9}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, r4, 0x0, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x23}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x10001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe8d}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffff7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x7c}, 0x1, 0x0, 0x0, 0x805}, 0x14) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 644.934704] block nbd1: not configured, cannot reconfigure 20:23:23 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$nbd(&(0x7f0000000240), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, 0x0, 0x0) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r6, 0x28, 0x6, 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f00000001c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000340)={{0x1, 0x1, 0x18}, './file0\x00'}) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) r7 = syz_open_dev$swradio(&(0x7f0000000440), 0x0, 0x2) ioctl$VIDIOC_REQBUFS(r7, 0xc0145608, &(0x7f0000000000)={0x0, 0x9}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, r4, 0x0, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x23}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x10001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe8d}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffff7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x7c}, 0x1, 0x0, 0x0, 0x805}, 0x14) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r8, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000180)={0x3}, 0x8) 20:23:23 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:23 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 645.022720] nbd: must specify at least one socket 20:23:23 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:23 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, 0x0, 0x0) r5 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r5, 0x28, 0x6, 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f00000001c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000340)={{0x1, 0x1, 0x18}, './file0\x00'}) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) r6 = syz_open_dev$swradio(&(0x7f0000000440), 0x0, 0x2) ioctl$VIDIOC_REQBUFS(r6, 0xc0145608, &(0x7f0000000000)={0x0, 0x9}) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, r3, 0x0, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x23}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x10001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe8d}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffff7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x7c}, 0x1, 0x0, 0x0, 0x805}, 0x14) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 20:23:23 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) [ 645.101418] nbd: must specify at least one socket [ 645.118176] block nbd2: not configured, cannot reconfigure [ 645.132840] block nbd1: not configured, cannot reconfigure 20:23:23 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:23 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, 0x0, 0x0) r5 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r5, 0x28, 0x6, 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f00000001c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000340)={{0x1, 0x1, 0x18}, './file0\x00'}) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) r6 = syz_open_dev$swradio(&(0x7f0000000440), 0x0, 0x2) ioctl$VIDIOC_REQBUFS(r6, 0xc0145608, &(0x7f0000000000)={0x0, 0x9}) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, r3, 0x0, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x23}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x10001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe8d}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffff7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x7c}, 0x1, 0x0, 0x0, 0x805}, 0x14) 20:23:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x54, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x54}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 645.290498] nbd: must specify at least one socket 20:23:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x4c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, 0x0, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r4, 0x28, 0x6, 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f00000001c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000340)={{0x1, 0x1, 0x18}, './file0\x00'}) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) r5 = syz_open_dev$swradio(&(0x7f0000000440), 0x0, 0x2) ioctl$VIDIOC_REQBUFS(r5, 0xc0145608, &(0x7f0000000000)={0x0, 0x9}) 20:23:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, 0x0, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r4, 0x28, 0x6, 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f00000001c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000340)={{0x1, 0x1, 0x18}, './file0\x00'}) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) syz_open_dev$swradio(&(0x7f0000000440), 0x0, 0x2) 20:23:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, 0x0, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r4, 0x28, 0x6, 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f00000001c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000340)={{0x1, 0x1, 0x18}, './file0\x00'}) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) 20:23:23 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:23 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, 0x0, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r4, 0x28, 0x6, 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f00000001c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) 20:23:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, 0x0, 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(r4, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) 20:23:24 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, 0x0, 0x0) openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) [ 645.971402] nbd: must specify a size in bytes for the device 20:23:24 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) 20:23:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 646.109975] nbd: must specify a size in bytes for the device 20:23:24 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) 20:23:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 646.246656] nbd: must specify a size in bytes for the device 20:23:24 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}}, 0x40040) 20:23:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) 20:23:24 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}}, 0x0) 20:23:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) 20:23:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xb4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}}, 0x0) 20:23:24 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) 20:23:24 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xac, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xac}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xac, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xac}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x34}}, 0x0) 20:23:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x50}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 646.669688] nbd: must specify a size in bytes for the device 20:23:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$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$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) 20:23:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xac, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xac}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xac, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xac}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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_RECONFIGURE(r1, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) 20:23:25 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x50}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x50}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x78, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x78}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 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_RECONFIGURE(r1, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) [ 646.923691] nbd: must specify a size in bytes for the device 20:23:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x50}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x78, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x78}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) 20:23:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x78, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x78}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 647.048792] nbd: must specify a size in bytes for the device [ 647.063863] nbd: must specify a size in bytes for the device 20:23:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) 20:23:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xac, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xac}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) 20:23:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) 20:23:25 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) 20:23:25 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) 20:23:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 647.402237] nbd: must specify at least one socket 20:23:25 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) 20:23:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 647.461960] nla_parse: 126 callbacks suppressed [ 647.461967] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 20:23:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x40) 20:23:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 647.561193] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 647.576410] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 20:23:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa4, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x40) 20:23:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x50}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 647.602302] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 647.611371] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 647.641440] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 20:23:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x40) 20:23:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)={0x250, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x228, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x250}}, 0x40) 20:23:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 647.661184] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 647.677667] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 647.693523] nbd: must specify a size in bytes for the device 20:23:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)={0x250, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x228, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x250}}, 0x40) [ 647.722145] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 20:23:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)={0x250, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x228, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x250}}, 0x40) 20:23:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x9c, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 647.803044] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 20:23:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, 0x0}, 0x40) 20:23:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, 0x0}, 0x40) 20:23:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x9c, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, 0x0}, 0x40) 20:23:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={0x0}}, 0x40) [ 647.962457] nbd: must specify a size in bytes for the device [ 647.989475] nbd: must specify at least one socket 20:23:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x94, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x94}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={0x0}}, 0x40) 20:23:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={0x0}}, 0x40) 20:23:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x8c, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x8c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x9}]}, 0x1c}}, 0x40) 20:23:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x8c, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x8c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x38}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 648.197086] nbd: must specify a size in bytes for the device 20:23:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x244, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x228, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}]}, 0x244}}, 0x40) 20:23:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x8c, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x8c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x244, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x228, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}]}, 0x244}}, 0x40) 20:23:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 648.296449] nbd: must specify a size in bytes for the device 20:23:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x94, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x94}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x244, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x228, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}]}, 0x244}}, 0x40) 20:23:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x48}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES]}, 0x1c}}, 0x40) 20:23:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x8c, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x8c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x40}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x28, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x28}}, 0x40) 20:23:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 648.422357] nbd: must specify a size in bytes for the device 20:23:26 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$nbd(&(0x7f0000000240), r0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x28, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x28}}, 0x40) 20:23:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x84, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x84}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x20}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x28, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x28}}, 0x40) 20:23:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 648.518154] nbd: must specify a size in bytes for the device 20:23:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x248, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x228, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x248}}, 0x40) 20:23:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x248, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x228, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x248}}, 0x40) [ 648.599145] nbd: must specify a size in bytes for the device 20:23:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x84, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x84}}, 0x40040) 20:23:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x40040) 20:23:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x20}}, 0x40040) 20:23:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x248, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x228, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x248}}, 0x40) 20:23:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 20:23:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x84, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x84}}, 0x40040) 20:23:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x20}}, 0x0) 20:23:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x8a, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}, @NBD_ATTR_BLOCK_SIZE_BYTES]}, 0x1c}}, 0x0) [ 648.743338] nbd: must specify a size in bytes for the device 20:23:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x84, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x84}}, 0x40040) 20:23:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 648.796488] nbd: must specify a size in bytes for the device 20:23:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x84, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x84}, 0x1, 0x0, 0x0, 0x24008000}, 0x0) 20:23:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x84, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x84}}, 0x40040) 20:23:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x40}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x84, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x84}, 0x1, 0x0, 0x0, 0x24008000}, 0x0) 20:23:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x244, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x228, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}]}, 0x244}}, 0x40) 20:23:27 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x84, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x84}, 0x1, 0x0, 0x0, 0x24008000}, 0x0) 20:23:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 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$nbd(&(0x7f0000000240), 0xffffffffffffffff) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x244, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x228, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}]}, 0x244}}, 0x40) 20:23:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x84, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x84}, 0x1, 0x0, 0x0, 0x24008000}, 0x0) 20:23:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 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$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, &(0x7f0000000280)={&(0x7f0000000480)={0x244, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, 'o\x00\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x228, 0xa, '\x9dG\xab\x8b\x11\x11\x05O@\b\xa4,\"\x7f\x8ae\x9a\xb9\xb5\b\xd0\r\x01A\xa1\x98\xca:b\x1b\xe6b\x92(\x8e\xbf\xb5\x04\xc8\x86\xa1\xa9\x995~\xecC>\x8c\xe6\x1e\x83v~|\\\xa0\xbd\xdd\xb5\xa8\xdf\xd4\xc4\xe93M1\xddd\xb9\xdcW\xdfu\xdcK\xc4\x1f\xc6\x98o\x99\x16S\x03aX\x9fmH\xa9\x03\x84\xa1W#\xff\x9b\xcd\xe5y:\xcd\xf6fj\x92\x1d\xe0J5\xa3\f\x1cx\xdb9\x12\x8d-\xb3\x1e\xb0\x84\xe1\x1a\x83x\xfeu\xbc-wa\xa1\xb11\xf9\x96|\x13F\x99,;\xb9T\tX>\xe7b\xccv\xeb\xda\xb0\xdfx\xf8oe\xa7ND\xc0\x89l\xbe\xac3\xa6\xc42p\xd7\x8a\x8f\xce\xa19\xf2i\xecX\x9c\x10w\xac\xdcj]\x9aC\xbd$\xcfR\xe5\xa7]F)+\'\xe4Q\xabr\x83%F\x95\xecX\x15\x92\xc0\x7f\xa7\xd98\x19\x89\xcbw\v!\xec\xf3\xc7\x9e\x1a\xad\xc0 !+\x06Q\x83\x87b\xd6#\x1aW\x1fw6PY\x0e=\x94\xf7\x9f\x14\xc4F\xc4\x1a\"\xf4\xfe;]\xc0\x1fJW\x0f\xc8\xb8\xfafpz\xef\xe2\xd0\x90\x84\x80$\xb1\xde/\x9e\xa8\xb6\xe5L\xb0_\xff\xb4D\x1f\xbd\xa5\x18\x81\xec\x99aUx\xa8\xc8\xe1\xef\x8d\xcc\xd6\xa8SCp\xbb\xc7\xf5\xe1}G\xf3\xae\x11\xd6*\x8a\xa9\x87EG\xfd\xb2\x86\x94~M \x16\xfb\xa9.\"b!L\xc8\x87\xe8\xbd\xb0,Mv\xc9\x8e\xf0]\xeb\xa7+\'\xa1\xac\xaa\xfd?\xde\aD&X\xbe\x8e@\xfd\x8d\xe0\x97\x03\xdc\xd3\xe9a\x8f\x06q\xf8\xeb\x0fj\x97yq\x88\x1c\xe0|\xc3\xd4`ft\xbf\xd9\x12\xd9*\xbe\x17\xe9\x94\xdc\xdb\xf2\x97\x15\x9ftMb\x88\xe46lL\xe3\xfb\xdc\x00\xd7V\xd5\xf9K\x1c5!\xde\x04\xe9\xb2\x00\xfc|$Ig\xa5\x11\x91\xbc\f\b{R\xc1CH\xc4\f\x9d\x18\x10\x17_\x04\x82\xec\x12\x96$\xf3\x17\x15\xbe\xb0\x1c\xd7\x98\xc5\x8a\xd1\xe1\v\xa3R\x00l\xb4\xf2\xda=P\x04\rr\xe7\xb3k\xa1\x88\xbdH1\xe94\a+\xecG\xafVa\x9c\xd8>\x13\xbb\x80\xbf*\xb3b\xe4\x99\xc7\xe0\r\xfc \x1a\x18\x00'/548}]}, 0x244}}, 0x40) 20:23:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x7) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x8c, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x8c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 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$nbd(&(0x7f0000000240), 0xffffffffffffffff) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:27 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:27 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 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$nbd(&(0x7f0000000240), r0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200), 0xc, 0x0}, 0x40) 20:23:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 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$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 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$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 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$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:27 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$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 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$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 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$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 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$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 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$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 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$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 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$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 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$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 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$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x0, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x0, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x0, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x0, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x9c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 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$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x9c, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 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$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 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$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 652.091113] nbd: must specify a size in bytes for the device 20:23:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 652.201743] nbd: must specify a size in bytes for the device [ 652.217470] nbd: nbd3 already in use 20:23:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 652.249403] nbd: nbd3 already in use 20:23:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 652.301022] nbd: must specify a size in bytes for the device 20:23:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 652.392103] nbd: must specify at least one socket 20:23:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r1, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 652.441501] nbd: must specify at least one socket 20:23:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 652.484760] nbd: must specify a size in bytes for the device [ 652.515613] nbd: must specify at least one socket 20:23:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x40040) 20:23:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x0, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 652.540477] nla_parse: 125 callbacks suppressed [ 652.540483] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 652.572443] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 20:23:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x40040) [ 652.583352] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 652.593924] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 652.605527] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 652.616623] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 652.626397] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 20:23:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 652.675364] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 20:23:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x40040) 20:23:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) 20:23:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 652.768151] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 652.797331] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 20:23:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x40040) 20:23:31 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x40040) 20:23:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x9c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x0, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 653.219670] nbd: must specify a size in bytes for the device [ 653.238117] nbd: must specify a size in bytes for the device 20:23:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x9c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x34}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x9c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x9c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 653.413848] nbd: must specify at least one socket 20:23:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x34}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x9c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x34}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, 0x0, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa0, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x4}]}, 0xa0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa0, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x4}]}, 0xa0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa0, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x4}]}, 0xa0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x0, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x7c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x0, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x60}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 654.074780] nbd: must specify at least one socket 20:23:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x74, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x4}]}, 0x74}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x0, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 654.172916] nbd: must specify at least one socket 20:23:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x60, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x60}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x60}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x4}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x74, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x4}]}, 0x74}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x60}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x58, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x0, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x4}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x0, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x60}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x50, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x50}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0x4}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 654.645935] nbd: must specify a size in bytes for the device 20:23:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x48, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x48}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x74, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x74}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x64}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x58}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x48, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x48}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x74, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x74}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x50}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x48, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x48}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa8, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa8}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x74, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x74}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 655.004196] nbd: must specify a size in bytes for the device 20:23:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x9c, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x50}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x40, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x40}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x9c, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x4}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x50}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x40, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x40}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x9c, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x9c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x4}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x4}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x50}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa0, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x4}]}, 0xa0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x40, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x40}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x48}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x4}]}, 0x68}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa0, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x4}]}, 0xa0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 655.538279] nbd: must specify a size in bytes for the device [ 655.560029] nbd: must specify at least one socket 20:23:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x48}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x74, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x4}]}, 0x74}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x40, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x40}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa0, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x4}]}, 0xa0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x74, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x4}]}, 0x74}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x7c, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x48}}, 0x40040) 20:23:34 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x40, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x40}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x60}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x38}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x48}}, 0x40040) 20:23:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x74, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x4}]}, 0x74}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x60}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x7c, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x48}}, 0x40040) 20:23:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x6c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x4}]}, 0x6c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x60}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x38}}, 0x40040) 20:23:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x7c, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x6c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x4}]}, 0x6c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x60}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x48}}, 0x0) 20:23:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa0, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x6c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x4}]}, 0x6c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x60}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x48}}, 0x0) 20:23:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x38}}, 0x40040) 20:23:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa0, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x60}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x48}}, 0x0) 20:23:34 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$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD(0xffffffffffffffff, 0x28, 0x6, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={&(0x7f0000000180), 0xc, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x38}}, 0x40040) 20:23:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0xa0, r2, 0x1, 0x70bd2d, 0x25dfdbfa, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xa0}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x60, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x60}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 656.637197] block nbd5: NBD_DISCONNECT [ 656.650862] kasan: CONFIG_KASAN_INLINE enabled [ 656.655447] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 656.662797] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 656.669009] Modules linked in: [ 656.672183] CPU: 1 PID: 9748 Comm: systemd-udevd Not tainted 4.14.304-syzkaller #0 20:23:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) 20:23:34 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$nbd(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000940)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x70}, 0x1, 0x0, 0x0, 0x24008000}, 0x40040) [ 656.679876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 656.689219] task: ffff8880a3a3a5c0 task.stack: ffff8880929c8000 [ 656.695267] RIP: 0010:__lock_acquire+0x1cc/0x3f20 [ 656.700092] RSP: 0018:ffff8880929cf938 EFLAGS: 00010006 [ 656.705442] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 656.712694] RDX: 0000000000000022 RSI: 0000000000000000 RDI: 0000000000000110 [ 656.719953] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 656.727206] R10: 0000000000000001 R11: ffff8880a3a3a5c0 R12: 0000000000000110 [ 656.734462] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8bed0dc0 [ 656.741705] FS: 00007fd40f6818c0(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 656.749910] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 656.755762] CR2: 00007f9e533cf500 CR3: 00000000a5d2e000 CR4: 00000000003406e0 [ 656.763020] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 656.770267] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 656.777511] Call Trace: [ 656.780072] ? vprintk_emit+0x170/0x620 [ 656.784021] ? dev_vprintk_emit+0x1da/0x440 [ 656.788323] ? trace_hardirqs_on+0x10/0x10 [ 656.792540] ? dev_driver_string+0x160/0x160 [ 656.796923] ? __lock_acquire+0x5fc/0x3f20 [ 656.801135] ? trace_hardirqs_on+0x10/0x10 [ 656.805351] lock_acquire+0x170/0x3f0 [ 656.809133] ? flush_workqueue+0xcb/0x1310 [ 656.813345] flush_workqueue+0xfa/0x1310 [ 656.817381] ? flush_workqueue+0xcb/0x1310 [ 656.821596] ? nbd_disconnect_and_put+0x99/0x140 [ 656.826327] ? lock_downgrade+0x740/0x740 [ 656.830452] ? check_flush_dependency+0x2a0/0x2a0 [ 656.835274] nbd_disconnect_and_put+0xc3/0x140 [ 656.839827] nbd_release+0x123/0x150 [ 656.843515] ? nbd_ioctl+0xad0/0xad0 [ 656.847200] __blkdev_put+0x5aa/0x800 [ 656.850972] ? revalidate_disk+0x1f0/0x1f0 [ 656.855184] ? locks_remove_file+0x2cd/0x420 [ 656.859577] ? blkdev_put+0x75/0x4c0 [ 656.863272] ? blkdev_put+0x4c0/0x4c0 [ 656.867048] blkdev_close+0x86/0xb0 [ 656.870649] __fput+0x25f/0x7a0 [ 656.873902] task_work_run+0x11f/0x190 [ 656.877764] exit_to_usermode_loop+0x1ad/0x200 [ 656.882320] do_syscall_64+0x4a3/0x640 [ 656.886193] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 656.891358] RIP: 0033:0x7fd40e7c7270 [ 656.895040] RSP: 002b:00007ffdcc8895f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 656.902715] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007fd40e7c7270 [ 656.909956] RDX: 000000000aba9500 RSI: 0000000000000000 RDI: 0000000000000007 [ 656.917217] RBP: 00007fd40f681710 R08: 000055ddedf352d0 R09: 0000000000000018 [ 656.924463] R10: 000055ddedf461b8 R11: 0000000000000246 R12: 0000000000000000 [ 656.931705] R13: 000055ddedf44880 R14: 0000000000000003 R15: 000000000000000e [ 656.938947] Code: 18 00 00 00 00 48 81 c4 80 01 00 00 44 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 67 2a 00 00 49 81 3c 24 e0 c7 2f 8b 0f 84 5f [ 656.957984] RIP: __lock_acquire+0x1cc/0x3f20 RSP: ffff8880929cf938 [ 656.964273] ---[ end trace 408bab8fc9ea6968 ]--- [ 656.968998] Kernel panic - not syncing: Fatal exception [ 656.974396] Kernel Offset: disabled [ 656.977998] Rebooting in 86400 seconds..