{0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}]}, @ETHTOOL_A_FEATURES_HEADER={0x6c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'sit0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6tnl0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}]}, @ETHTOOL_A_FEATURES_WANTED={0x1d8, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0xfffffffd}, @ETHTOOL_A_BITSET_BITS={0x68, 0x3, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xf0}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'nbd\x00'}]}, {0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '-\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x9}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, '%{\\\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, 'ib\x00'}]}, {0x4}, {0x10, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xffffffff}]}]}, @ETHTOOL_A_BITSET_VALUE={0x29, 0x4, "db51bca354588c2ba677bfac4355eb3af67eca19878c7cb32aee1a8529b683e23e574f642b"}, @ETHTOOL_A_BITSET_MASK={0x29, 0x5, "159e090d9d985a31717c9f96387217274f9e5be7eb0d4ecbada72d2179448fd5b94b1bcc8d"}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x48b2d0d}, @ETHTOOL_A_BITSET_BITS={0x8c, 0x3, 0x0, 0x1, [{0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x40, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'TIPC\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x675d7093}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x131a}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x40}]}, {0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xfffffffc}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1f}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'nbd\x00'}]}]}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_BITS={0x74, 0x3, 0x0, 0x1, [{0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'nbd\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'nbd\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x14, 0x2, '#{}\x17{--\\($\x10/!-{\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3}]}, {0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'nbd\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, 'ib\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xffff2e54}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, 'ib\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, 'ib\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, 'ib\x00'}]}]}]}, @ETHTOOL_A_FEATURES_HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @ETHTOOL_A_FEATURES_WANTED={0x1ac, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_BITS={0x3c, 0x3, 0x0, 0x1, [{0x4}, {0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7ff}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7f}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x29}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, '\xec]\x00'}]}]}, @ETHTOOL_A_BITSET_MASK={0x77, 0x5, "d4aa1672b25160421ea6b91e37ac799826f2adcfad7e277072c512a637adb016c041442caf2b425b6a95d641af323254d7f525e1ab7d34c75ee411768ebfde8a9cd6b82a48a37ec2bce19c6bd52e9fdf11687c0c28c25bda51b53d872cc80180c3c8c69f162b1d1434afb7ab1be83e93d45a0b"}, @ETHTOOL_A_BITSET_VALUE={0xe0, 0x4, "4f86b70abb5d7fcca36201f2c76433356b1685cd6ca9f601b427c5c9756652f5649f5f80ff7fa942721af53ac00b2f92f941d169e6521654db699741fb599fce39ca029db0aaa67233ff757863536aab6522b3603269a6679d7632c06cfdec14099f7f719e935cf45fbe76b0721c55fc254600208b0a5ca52cda9d049a393359f1f4e65dc7fd80c5c4a40dd679a6260a784610ee16ee8cc3f9d91703954a1691b496009f6982abe5c53a061738d91c87868fa34b77afc76236b20f4488d41edea2b807e27b1ca015710382fc0e79861e1390fd3d547384921c2ec8a8"}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_SIZE={0x8}]}, @ETHTOOL_A_FEATURES_WANTED={0x158, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x2}, @ETHTOOL_A_BITSET_VALUE={0x54, 0x4, "6afc447bdcd43544e46307cef10715a006137f2c6ea674a939d3416e787a5874a9c480029016054d4abbca23b84a0eecb8b2dc71275887bcf9ab61f1191dd9bf16be0e8448358a5cfa79649965e7330a"}, @ETHTOOL_A_BITSET_MASK={0x2b, 0x5, "c3d0d44ae0b293de099ec34888f7ba6c4017245e3899b8e616d5caa4f92196e6c4c1ea5102c7ac"}, @ETHTOOL_A_BITSET_MASK={0xac, 0x5, "e6fd31ec068a34aec79dd916a3ee6ec74ff75f7d096f0f325c8683b2d80e2658d2dba438e61ce9ec666267e995d9ddae2af185fa9efe687b4f958572aa1208927f71d5f515ce1a60b2add022cca8bbc99e4fad19e376c8472fa98ee019092f5f48803619e297d33f958d089829b7154bf79f7e69b67c0d50824f48e706c1d5e37889c6d8f74e5ed2045b5b892c85325a298d5363f5236e00de861b50b81ec8cf60c8da7ca24818e5"}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x7}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x5}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x9}]}]}, 0x608}, 0x1, 0x0, 0x0, 0x20000000}, 0x20008800) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r7, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 516.874787] nbd: must specify an index to disconnect 11:17:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 516.971793] nbd: must specify a size in bytes for the device 11:17:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_TSINFO_GET(r1, 0x0, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_SET_LINK_PRI(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r3, 0x1, 0x0, 0x0, {{}, {}, {0x4c, 0x18, {0xb4e, @media='ib\x00'}}}}, 0x68}}, 0x0) sendmsg$TIPC_CMD_GET_MAX_PORTS(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r3, 0x808, 0x70bd2b, 0x25dfdbfd, {}, ["", "", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x20000000) r4 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_TSINFO_GET(r4, 0x0, 0x0) ioctl$ifreq_SIOCGIFINDEX_vcan(r1, 0x8933, &(0x7f00000002c0)={'vxcan0\x00', 0x0}) sendmsg$ETHTOOL_MSG_FEATURES_SET(r4, &(0x7f0000000980)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000940)={&(0x7f0000000300)={0x608, 0x0, 0x4, 0x70bd2d, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_WANTED={0x14, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x7}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_NOMASK={0x4}]}, @ETHTOOL_A_FEATURES_WANTED={0x60, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_BITS={0x5c, 0x3, 0x0, 0x1, [{0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '$\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'nbd\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8}]}, {0x10, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}]}, {0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '/\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'TIPC\x00'}]}]}]}, @ETHTOOL_A_FEATURES_WANTED={0xc, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_SIZE={0x8}]}, @ETHTOOL_A_FEATURES_HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}]}, @ETHTOOL_A_FEATURES_HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}]}, @ETHTOOL_A_FEATURES_HEADER={0x6c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'sit0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x4}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6tnl0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}]}, @ETHTOOL_A_FEATURES_WANTED={0x1d8, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0xfffffffd}, @ETHTOOL_A_BITSET_BITS={0x68, 0x3, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xf0}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'nbd\x00'}]}, {0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '-\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x9}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, '%{\\\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, 'ib\x00'}]}, {0x4}, {0x10, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xffffffff}]}]}, @ETHTOOL_A_BITSET_VALUE={0x29, 0x4, "db51bca354588c2ba677bfac4355eb3af67eca19878c7cb32aee1a8529b683e23e574f642b"}, @ETHTOOL_A_BITSET_MASK={0x29, 0x5, "159e090d9d985a31717c9f96387217274f9e5be7eb0d4ecbada72d2179448fd5b94b1bcc8d"}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x48b2d0d}, @ETHTOOL_A_BITSET_BITS={0x8c, 0x3, 0x0, 0x1, [{0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x40, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, 'TIPC\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x675d7093}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x131a}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x40}]}, {0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xfffffffc}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1f}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'nbd\x00'}]}]}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_BITS={0x74, 0x3, 0x0, 0x1, [{0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'nbd\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'nbd\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x14, 0x2, '#{}\x17{--\\($\x10/!-{\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3}]}, {0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'nbd\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, 'ib\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xffff2e54}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, 'ib\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, 'ib\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, 'ib\x00'}]}]}]}, @ETHTOOL_A_FEATURES_HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @ETHTOOL_A_FEATURES_WANTED={0x1ac, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_BITS={0x3c, 0x3, 0x0, 0x1, [{0x4}, {0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7ff}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7f}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x29}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, '\xec]\x00'}]}]}, @ETHTOOL_A_BITSET_MASK={0x77, 0x5, "d4aa1672b25160421ea6b91e37ac799826f2adcfad7e277072c512a637adb016c041442caf2b425b6a95d641af323254d7f525e1ab7d34c75ee411768ebfde8a9cd6b82a48a37ec2bce19c6bd52e9fdf11687c0c28c25bda51b53d872cc80180c3c8c69f162b1d1434afb7ab1be83e93d45a0b"}, @ETHTOOL_A_BITSET_VALUE={0xe0, 0x4, "4f86b70abb5d7fcca36201f2c76433356b1685cd6ca9f601b427c5c9756652f5649f5f80ff7fa942721af53ac00b2f92f941d169e6521654db699741fb599fce39ca029db0aaa67233ff757863536aab6522b3603269a6679d7632c06cfdec14099f7f719e935cf45fbe76b0721c55fc254600208b0a5ca52cda9d049a393359f1f4e65dc7fd80c5c4a40dd679a6260a784610ee16ee8cc3f9d91703954a1691b496009f6982abe5c53a061738d91c87868fa34b77afc76236b20f4488d41edea2b807e27b1ca015710382fc0e79861e1390fd3d547384921c2ec8a8"}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_SIZE={0x8}]}, @ETHTOOL_A_FEATURES_WANTED={0x158, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x2}, @ETHTOOL_A_BITSET_VALUE={0x54, 0x4, "6afc447bdcd43544e46307cef10715a006137f2c6ea674a939d3416e787a5874a9c480029016054d4abbca23b84a0eecb8b2dc71275887bcf9ab61f1191dd9bf16be0e8448358a5cfa79649965e7330a"}, @ETHTOOL_A_BITSET_MASK={0x2b, 0x5, "c3d0d44ae0b293de099ec34888f7ba6c4017245e3899b8e616d5caa4f92196e6c4c1ea5102c7ac"}, @ETHTOOL_A_BITSET_MASK={0xac, 0x5, "e6fd31ec068a34aec79dd916a3ee6ec74ff75f7d096f0f325c8683b2d80e2658d2dba438e61ce9ec666267e995d9ddae2af185fa9efe687b4f958572aa1208927f71d5f515ce1a60b2add022cca8bbc99e4fad19e376c8472fa98ee019092f5f48803619e297d33f958d089829b7154bf79f7e69b67c0d50824f48e706c1d5e37889c6d8f74e5ed2045b5b892c85325a298d5363f5236e00de861b50b81ec8cf60c8da7ca24818e5"}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x7}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x5}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x9}]}]}, 0x608}, 0x1, 0x0, 0x0, 0x20000000}, 0x20008800) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r7, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 517.014797] nbd: must specify a size in bytes for the device [ 517.035690] nbd: must specify a size in bytes for the device [ 517.045130] nbd: must specify a size in bytes for the device 11:17:49 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}]}]}, 0x40}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r8, &(0x7f0000000300)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="18800000", @ANYRES16=r2, @ANYBLOB="000825bd7000fbdbdf250500000004000a00"], 0x18}, 0x1, 0x0, 0x0, 0x15}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000340)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010025bd7000fe00000000000c00050000010000000000000c000300a100000000000000e335754e2677f3ed6af9325389de2b9c4f4897e89dfd51353c813c87"], 0x34}, 0x1, 0x0, 0x0, 0x801}, 0xc0) 11:17:49 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 517.125926] nbd: must specify a size in bytes for the device [ 517.164944] nbd: must specify a size in bytes for the device [ 517.183972] nbd: must specify a size in bytes for the device [ 517.195494] nbd: must specify a size in bytes for the device [ 517.203067] nbd: must specify a size in bytes for the device [ 517.212334] nbd: must specify a size in bytes for the device [ 517.253077] nbd: must specify a size in bytes for the device [ 517.260183] nbd: must specify a size in bytes for the device [ 517.276093] nbd: must specify a size in bytes for the device [ 517.292572] nbd: must specify a size in bytes for the device [ 517.304783] nbd: must specify a size in bytes for the device [ 517.323308] nbd: must specify a size in bytes for the device [ 517.346729] nbd: must specify a size in bytes for the device [ 517.352792] nbd: must specify a size in bytes for the device [ 517.359523] nbd: must specify a size in bytes for the device [ 517.365568] nbd: must specify a size in bytes for the device [ 517.372179] nbd: must specify a size in bytes for the device [ 517.380580] nbd: must specify a size in bytes for the device [ 517.386884] nbd: must specify a size in bytes for the device [ 517.398117] nbd: must specify a size in bytes for the device [ 517.405236] nbd: must specify a size in bytes for the device [ 517.411268] nbd: must specify a size in bytes for the device [ 517.417287] nbd: must specify a size in bytes for the device [ 517.423207] nbd: must specify a size in bytes for the device [ 517.429212] nbd: must specify a size in bytes for the device [ 517.435161] nbd: must specify a size in bytes for the device [ 517.441650] nbd: must specify a size in bytes for the device 11:17:49 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x6c, r6, 0x400, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x401}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x6c}, 0x1, 0x0, 0x0, 0x800}, 0x2000c011) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0xfffffffffffffecb, &(0x7f0000000240)={&(0x7f0000000000)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}]}, 0x18}}, 0x0) 11:17:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:49 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}]}]}, 0x40}}, 0x0) (rerun: 32) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r8, &(0x7f0000000300)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="18800000", @ANYRES16=r2, @ANYBLOB="000825bd7000fbdbdf250500000004000a00"], 0x18}, 0x1, 0x0, 0x0, 0x15}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000340)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010025bd7000fe00000000000c00050000010000000000000c000300a100000000000000e335754e2677f3ed6af9325389de2b9c4f4897e89dfd51353c813c87"], 0x34}, 0x1, 0x0, 0x0, 0x801}, 0xc0) 11:17:49 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 517.447726] nbd: must specify a size in bytes for the device [ 517.453714] nbd: must specify a size in bytes for the device [ 517.459729] nbd: must specify a size in bytes for the device [ 517.465687] nbd: must specify a size in bytes for the device [ 517.471710] nbd: must specify a size in bytes for the device 11:17:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 517.609367] nbd: must specify a size in bytes for the device 11:17:49 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x28048000) 11:17:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:49 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:49 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x28048000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x28048000) (async) [ 517.834326] nbd: must specify a size in bytes for the device 11:17:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}]}]}, 0x40}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r8, &(0x7f0000000300)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="18800000", @ANYRES16=r2, @ANYBLOB="000825bd7000fbdbdf250500000004000a00"], 0x18}, 0x1, 0x0, 0x0, 0x15}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000340)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010025bd7000fe00000000000c00050000010000000000000c000300a100000000000000e335754e2677f3ed6af9325389de2b9c4f4897e89dfd51353c813c87"], 0x34}, 0x1, 0x0, 0x0, 0x801}, 0xc0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}]}]}, 0x40}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r8, &(0x7f0000000300)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="18800000", @ANYRES16=r2, @ANYBLOB="000825bd7000fbdbdf250500000004000a00"], 0x18}, 0x1, 0x0, 0x0, 0x15}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000340)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010025bd7000fe00000000000c00050000010000000000000c000300a100000000000000e335754e2677f3ed6af9325389de2b9c4f4897e89dfd51353c813c87"], 0x34}, 0x1, 0x0, 0x0, 0x801}, 0xc0) (async) 11:17:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:50 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x28048000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x28048000) (async) 11:17:50 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) 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) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 518.402093] nbd: must specify a size in bytes for the device 11:17:50 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 518.455751] nbd: must specify a size in bytes for the device 11:17:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) 11:17:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:50 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x6c, 0x0, 0x300, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffff9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xe81f}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x6c}, 0x1, 0x0, 0x0, 0x20040080}, 0x800) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 518.512693] nbd: must specify a size in bytes for the device [ 518.547895] nbd: must specify a size in bytes for the device 11:17:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:50 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) 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(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 518.635626] nbd: must specify a size in bytes for the device 11:17:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 11:17:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r7 = bpf$ITER_CREATE(0x21, &(0x7f0000000140), 0x8) r8 = openat$full(0xffffffffffffff9c, &(0x7f00000001c0), 0x4200, 0x0) r9 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440), r8) sendmsg$ETHTOOL_MSG_TSINFO_GET(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000580)={&(0x7f0000000480)={0xc0, r9, 0x400, 0x70bd25, 0x25dfdc00, {}, [@HEADER={0x6c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x69}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'team_slave_0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x0, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x0, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_hsr\x00'}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}]}, @HEADER={0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'batadv_slave_1\x00'}, @ETHTOOL_A_HEADER_FLAGS]}]}, 0xc0}, 0x1, 0x0, 0x0, 0x800}, 0x8004) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000003c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0xc0, r4, 0x400, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0xc0}, 0x1, 0x0, 0x0, 0x44800}, 0x40) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:17:50 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x6c, 0x0, 0x300, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffff9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xe81f}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x6c}, 0x1, 0x0, 0x0, 0x20040080}, 0x800) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x6c, 0x0, 0x300, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffff9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xe81f}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x6c}, 0x1, 0x0, 0x0, 0x20040080}, 0x800) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 11:17:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:50 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) [ 518.778280] nbd: must specify a size in bytes for the device 11:17:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$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$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 518.823774] nbd: must specify a size in bytes for the device [ 518.859606] nbd: must specify a size in bytes for the device 11:17:50 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:50 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x6c, 0x0, 0x300, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffff9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xe81f}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x6c}, 0x1, 0x0, 0x0, 0x20040080}, 0x800) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x6c, 0x0, 0x300, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffff9}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xe81f}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x6c}, 0x1, 0x0, 0x0, 0x20040080}, 0x800) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 11:17:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 11:17:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async, rerun: 64) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) (async) r7 = bpf$ITER_CREATE(0x21, &(0x7f0000000140), 0x8) (async) r8 = openat$full(0xffffffffffffff9c, &(0x7f00000001c0), 0x4200, 0x0) r9 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440), r8) sendmsg$ETHTOOL_MSG_TSINFO_GET(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000580)={&(0x7f0000000480)={0xc0, r9, 0x400, 0x70bd25, 0x25dfdc00, {}, [@HEADER={0x6c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x69}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'team_slave_0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x0, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x0, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_hsr\x00'}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}]}, @HEADER={0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'batadv_slave_1\x00'}, @ETHTOOL_A_HEADER_FLAGS]}]}, 0xc0}, 0x1, 0x0, 0x0, 0x800}, 0x8004) (async, rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000003c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0xc0, r4, 0x400, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0xc0}, 0x1, 0x0, 0x0, 0x44800}, 0x40) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:17:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:50 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(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) [ 518.963968] nbd: must specify a size in bytes for the device 11:17:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$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$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 519.027746] nbd: nbd4 already in use 11:17:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:51 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="d90d00dc8346c71393f431a2d927da3adaf045422c3e15f71baa613addeb13a9a73e39082f1eff88a5c7251cddc5fd230c7aab96b761b8e180fa", @ANYRES16=r5, @ANYBLOB="05000000000000000000010000000c00020000000000000000000c00060001000000000000000c00078008000100", @ANYRES32, @ANYBLOB], 0x38}}, 0x0) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0xa0, r5, 0x200, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x34e}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1f}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0xa0}, 0x1, 0x0, 0x0, 0x4000000}, 0x8000) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 519.051989] nbd: must specify a size in bytes for the device [ 519.090330] nbd: must specify a size in bytes for the device 11:17:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r7 = bpf$ITER_CREATE(0x21, &(0x7f0000000140), 0x8) r8 = openat$full(0xffffffffffffff9c, &(0x7f00000001c0), 0x4200, 0x0) r9 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440), r8) sendmsg$ETHTOOL_MSG_TSINFO_GET(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000580)={&(0x7f0000000480)={0xc0, r9, 0x400, 0x70bd25, 0x25dfdc00, {}, [@HEADER={0x6c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x69}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'team_slave_0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x0, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x0, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_hsr\x00'}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}]}, @HEADER={0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'batadv_slave_1\x00'}, @ETHTOOL_A_HEADER_FLAGS]}]}, 0xc0}, 0x1, 0x0, 0x0, 0x800}, 0x8004) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000003c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0xc0, r4, 0x400, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0xc0}, 0x1, 0x0, 0x0, 0x44800}, 0x40) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) (async) bpf$ITER_CREATE(0x21, &(0x7f0000000140), 0x8) (async) openat$full(0xffffffffffffff9c, &(0x7f00000001c0), 0x4200, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000440), r8) (async) sendmsg$ETHTOOL_MSG_TSINFO_GET(0xffffffffffffffff, &(0x7f00000005c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000580)={&(0x7f0000000480)={0xc0, r9, 0x400, 0x70bd25, 0x25dfdc00, {}, [@HEADER={0x6c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x69}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'team_slave_0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x0, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x0, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_hsr\x00'}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}]}, @HEADER={0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'batadv_slave_1\x00'}, @ETHTOOL_A_HEADER_FLAGS]}]}, 0xc0}, 0x1, 0x0, 0x0, 0x800}, 0x8004) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000003c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0xc0, r4, 0x400, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0xc0}, 0x1, 0x0, 0x0, 0x44800}, 0x40) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 11:17:51 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) 11:17:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:51 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) 11:17:51 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="d90d00dc8346c71393f431a2d927da3adaf045422c3e15f71baa613addeb13a9a73e39082f1eff88a5c7251cddc5fd230c7aab96b761b8e180fa", @ANYRES16=r5, @ANYBLOB="05000000000000000000010000000c00020000000000000000000c00060001000000000000000c00078008000100", @ANYRES32, @ANYBLOB], 0x38}}, 0x0) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0xa0, r5, 0x200, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x34e}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1f}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0xa0}, 0x1, 0x0, 0x0, 0x4000000}, 0x8000) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 519.178088] nbd: must specify a size in bytes for the device 11:17:51 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:51 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) 11:17:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 519.261261] nbd: must specify a size in bytes for the device 11:17:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) socketpair(0x6, 0x0, 0x89, &(0x7f0000000000)) 11:17:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:51 executing program 1: syz_init_net_socket$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_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:51 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) [ 519.321493] nbd: must specify a size in bytes for the device 11:17:51 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="d90d00dc8346c71393f431a2d927da3adaf045422c3e15f71baa613addeb13a9a73e39082f1eff88a5c7251cddc5fd230c7aab96b761b8e180fa", @ANYRES16=r5, @ANYBLOB="05000000000000000000010000000c00020000000000000000000c00060001000000000000000c00078008000100", @ANYRES32, @ANYBLOB], 0x38}}, 0x0) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) (async, rerun: 64) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (rerun: 64) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0xa0, r5, 0x200, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x34e}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1f}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0xa0}, 0x1, 0x0, 0x0, 0x4000000}, 0x8000) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (rerun: 32) 11:17:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$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$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:51 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) 11:17:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 519.412327] nbd: must specify a size in bytes for the device 11:17:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) socketpair(0x6, 0x0, 0x89, &(0x7f0000000000)) 11:17:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:51 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) [ 519.491494] nbd: must specify a size in bytes for the device [ 519.514930] nbd: must specify a size in bytes for the device 11:17:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 519.544657] nbd: must specify a size in bytes for the device [ 519.564715] nbd: must specify a size in bytes for the device [ 519.575487] nbd: must specify a size in bytes for the device [ 519.585589] nla_parse: 70 callbacks suppressed 11:17:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) socketpair(0x6, 0x0, 0x89, &(0x7f0000000000)) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) socketpair(0x6, 0x0, 0x89, &(0x7f0000000000)) (async) [ 519.585599] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 519.624299] nbd: must specify a size in bytes for the device [ 519.635881] nbd: must specify a size in bytes for the device [ 519.643244] nbd: must specify a size in bytes for the device [ 519.660739] nbd: must specify a size in bytes for the device [ 519.669932] nbd: must specify a size in bytes for the device [ 519.676822] nbd: must specify a size in bytes for the device [ 519.696306] nbd: must specify a size in bytes for the device [ 519.702404] nbd: must specify a size in bytes for the device [ 519.720164] nbd: must specify a size in bytes for the device [ 519.752227] nbd: must specify a size in bytes for the device [ 519.758737] nbd: must specify a size in bytes for the device [ 519.764722] nbd: must specify a size in bytes for the device [ 519.774960] nbd: must specify a size in bytes for the device [ 519.785849] nbd: must specify a size in bytes for the device [ 519.798798] nbd: must specify a size in bytes for the device [ 519.804953] nbd: must specify a size in bytes for the device [ 519.811802] nbd: must specify a size in bytes for the device [ 519.822128] nbd: must specify a size in bytes for the device [ 519.828771] nbd: must specify a size in bytes for the device [ 519.834638] nbd: must specify a size in bytes for the device [ 519.840938] nbd: must specify a size in bytes for the device [ 519.846979] nbd: must specify a size in bytes for the device [ 519.852853] nbd: must specify a size in bytes for the device [ 519.858955] nbd: must specify a size in bytes for the device [ 519.864848] nbd: must specify a size in bytes for the device [ 519.870801] nbd: must specify a size in bytes for the device [ 519.876884] nbd: must specify a size in bytes for the device [ 519.882976] nbd: must specify a size in bytes for the device [ 519.888957] nbd: must specify a size in bytes for the device [ 519.894814] nbd: must specify a size in bytes for the device 11:17:51 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000540), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_COALESCE_GET(0xffffffffffffffff, &(0x7f0000000640)={&(0x7f0000000500), 0xc, &(0x7f0000000600)={&(0x7f0000000580)={0x80, r1, 0x200, 0x70bd29, 0x25dfdbfd, {}, [@HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bridge_slave_1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'nicvf0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pim6reg\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4004084}, 0x20040011) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)={0xffffffffffffffff}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000680)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES64=0x0, @ANYBLOB="05000000000000000000010000001400078008000100", @ANYRES32, @ANYBLOB="0800e3ff", @ANYRES32=r2, @ANYBLOB], 0x28}}, 0x9840) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r4, 0x2, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x4008850}, 0x4) r5 = syz_genetlink_get_family_id$tipc(&(0x7f00000001c0), 0xffffffffffffffff) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f00000004c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80001040}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x20, r7, 0x2, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfff}]}, 0x20}, 0x1, 0x0, 0x0, 0x44050}, 0x20004800) sendmsg$TIPC_CMD_SHOW_STATS(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000140), 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, r5, 0x400, 0x70bd2d, 0x25dfdbfd, {}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x24040000) 11:17:51 executing program 3: pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) 11:17:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$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$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x78, r1, 0x400, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5fb4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x29c}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\\':+-((\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x14d}]}, 0x78}, 0x1, 0x0, 0x0, 0x20002000}, 0x8000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 519.900747] nbd: must specify a size in bytes for the device 11:17:51 executing program 3: pselect6(0x0, 0x0, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) 11:17:51 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x78, r1, 0x400, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5fb4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x29c}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\\':+-((\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x14d}]}, 0x78}, 0x1, 0x0, 0x0, 0x20002000}, 0x8000) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:17:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:51 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 519.963112] nbd: must specify a size in bytes for the device [ 519.994050] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 11:17:51 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000540), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_COALESCE_GET(0xffffffffffffffff, &(0x7f0000000640)={&(0x7f0000000500), 0xc, &(0x7f0000000600)={&(0x7f0000000580)={0x80, r1, 0x200, 0x70bd29, 0x25dfdbfd, {}, [@HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bridge_slave_1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'nicvf0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pim6reg\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4004084}, 0x20040011) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)={0xffffffffffffffff}) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000680)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES64=0x0, @ANYBLOB="05000000000000000000010000001400078008000100", @ANYRES32, @ANYBLOB="0800e3ff", @ANYRES32=r2, @ANYBLOB], 0x28}}, 0x9840) (async, rerun: 64) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) (rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r4, 0x2, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x4008850}, 0x4) (async) r5 = syz_genetlink_get_family_id$tipc(&(0x7f00000001c0), 0xffffffffffffffff) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f00000004c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80001040}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x20, r7, 0x2, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfff}]}, 0x20}, 0x1, 0x0, 0x0, 0x44050}, 0x20004800) (async) sendmsg$TIPC_CMD_SHOW_STATS(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000140), 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, r5, 0x400, 0x70bd2d, 0x25dfdbfd, {}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x24040000) 11:17:52 executing program 3: pselect6(0x0, 0x0, 0x0, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) 11:17:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x78, r1, 0x400, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5fb4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x29c}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\\\':+-((\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x14d}]}, 0x78}, 0x1, 0x0, 0x0, 0x20002000}, 0x8000) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 520.062550] nbd: must specify a size in bytes for the device [ 520.095730] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 11:17:52 executing program 3: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) 11:17:52 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:52 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xa4, r2, 0x1, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x68f}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x401}]}, 0xa4}, 0x1, 0x0, 0x0, 0x8014}, 0x20048050) [ 520.174033] nbd: must specify a size in bytes for the device 11:17:52 executing program 3: pselect6(0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) 11:17:52 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) [ 520.247558] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 520.303824] nbd: must specify a size in bytes for the device [ 520.322282] nbd: must specify an index to disconnect 11:17:52 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000540), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_COALESCE_GET(0xffffffffffffffff, &(0x7f0000000640)={&(0x7f0000000500), 0xc, &(0x7f0000000600)={&(0x7f0000000580)={0x80, r1, 0x200, 0x70bd29, 0x25dfdbfd, {}, [@HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bridge_slave_1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'nicvf0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pim6reg\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4004084}, 0x20040011) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)={0xffffffffffffffff}) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000680)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES64=0x0, @ANYBLOB="05000000000000000000010000001400078008000100", @ANYRES32, @ANYBLOB="0800e3ff", @ANYRES32=r2, @ANYBLOB], 0x28}}, 0x9840) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r4, 0x2, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x4008850}, 0x4) (async) r5 = syz_genetlink_get_family_id$tipc(&(0x7f00000001c0), 0xffffffffffffffff) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f00000004c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x80001040}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x20, r7, 0x2, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfff}]}, 0x20}, 0x1, 0x0, 0x0, 0x44050}, 0x20004800) (async) sendmsg$TIPC_CMD_SHOW_STATS(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000140), 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, r5, 0x400, 0x70bd2d, 0x25dfdbfd, {}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x24040000) 11:17:52 executing program 5: syz_init_net_socket$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$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 11:17:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) (async) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xa4, r2, 0x1, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x68f}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x401}]}, 0xa4}, 0x1, 0x0, 0x0, 0x8014}, 0x20048050) 11:17:52 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 11:17:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xa4, r2, 0x1, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x68f}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x401}]}, 0xa4}, 0x1, 0x0, 0x0, 0x8014}, 0x20048050) 11:17:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 520.413067] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 520.436106] nbd: must specify a size in bytes for the device [ 520.444864] nbd: must specify an index to disconnect 11:17:52 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 520.496409] nbd: must specify a size in bytes for the device [ 520.504188] nbd: must specify an index to disconnect [ 520.522656] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 520.555628] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 11:17:53 executing program 3: pselect6(0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) 11:17:53 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) prctl$PR_PAC_RESET_KEYS(0x36, 0x9) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:17:53 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="a4dba884ded774071dff00", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f00000000c0), 0x8000, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x1c, r3, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40}, 0x800) 11:17:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:53 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) 11:17:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:53 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) 11:17:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="a4dba884ded774071dff00", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f00000000c0), 0x8000, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x1c, r3, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40}, 0x800) 11:17:53 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) prctl$PR_PAC_RESET_KEYS(0x36, 0x9) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) prctl$PR_PAC_RESET_KEYS(0x36, 0x9) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 11:17:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 11:17:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:53 executing program 3: pselect6(0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) 11:17:53 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) 11:17:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="a4dba884ded774071dff00", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f00000000c0), 0x8000, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x1c, r3, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40}, 0x800) 11:17:53 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) prctl$PR_PAC_RESET_KEYS(0x36, 0x9) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) prctl$PR_PAC_RESET_KEYS(0x36, 0x9) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 11:17:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 11:17:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:54 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x3, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:17:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x8000000, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x4d}}, 0x0) 11:17:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 11:17:54 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0) 11:17:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:54 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0) [ 522.186130] nbd: must specify a size in bytes for the device [ 522.203935] nbd: must specify a size in bytes for the device 11:17:54 executing program 3: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, 0x0) 11:17:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x8000000, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x4d}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x8000000, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x4d}}, 0x0) (async) 11:17:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:54 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x3, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x3, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 11:17:54 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0) 11:17:54 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:54 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:54 executing program 3: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, 0x0) [ 522.987607] nbd: must specify a size in bytes for the device [ 523.012974] nbd: must specify a size in bytes for the device 11:17:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x8000000, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x4d}}, 0x0) 11:17:54 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:55 executing program 3: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, 0x0) [ 523.045414] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 523.058133] nbd: must specify a size in bytes for the device 11:17:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) 11:17:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x3, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:17:55 executing program 2: openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000040), 0x32942) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="1891c6039948c99d000000", @ANYRES16=r2, @ANYBLOB="0500000000000000000001000000044e7b80"], 0x18}}, 0x0) 11:17:55 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 523.139348] nbd: must specify a size in bytes for the device 11:17:55 executing program 3: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={0x0}) 11:17:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) 11:17:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="180000ca", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) [ 523.199276] nbd: must specify a size in bytes for the device 11:17:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 11:17:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) 11:17:55 executing program 2: openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000040), 0x32942) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="1891c6039948c99d000000", @ANYRES16=r2, @ANYBLOB="0500000000000000000001000000044e7b80"], 0x18}}, 0x0) 11:17:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:55 executing program 3: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={0x0}) 11:17:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="180000ca", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="180000ca", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) (async) 11:17:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 11:17:55 executing program 3: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={0x0}) 11:17:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0) 11:17:55 executing program 2: openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000040), 0x32942) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="1891c6039948c99d000000", @ANYRES16=r2, @ANYBLOB="0500000000000000000001000000044e7b80"], 0x18}}, 0x0) openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000040), 0x32942) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="1891c6039948c99d000000", @ANYRES16=r2, @ANYBLOB="0500000000000000000001000000044e7b80"], 0x18}}, 0x0) (async) 11:17:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 11:17:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="180000ca", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) 11:17:55 executing program 3: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580), 0x8}) 11:17:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0) 11:17:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x18, r2, 0x5, 0x0, 0x2, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x4000000}, 0x54) 11:17:55 executing program 3: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580), 0x8}) 11:17:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0) 11:17:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$x25(0x9, 0x5, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_TSINFO_GET(r3, 0x0, 0x0) sendmsg$L2TP_CMD_SESSION_MODIFY(r3, &(0x7f0000001fc0)={&(0x7f0000001ec0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000001f80)={&(0x7f0000001f00)={0x7c, 0x0, 0x20, 0x70bd2a, 0x25dfdbfe, {}, [@L2TP_ATTR_PEER_CONN_ID={0x8, 0xa, 0x3}, @L2TP_ATTR_PEER_SESSION_ID={0x8, 0xc, 0x4}, @L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @rand_addr=' \x01\x00'}, @L2TP_ATTR_L2SPEC_TYPE={0x5}, @L2TP_ATTR_MTU={0x6, 0x1c, 0x9}, @L2TP_ATTR_RECV_TIMEOUT={0xc, 0x16, 0xff}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @local}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @local}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4040805}, 0x24004880) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r5 = openat$full(0xffffffffffffff9c, &(0x7f0000000080), 0x211000, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r7 = openat$full(0xffffffffffffff9c, &(0x7f0000000500), 0x8100, 0x0) r8 = socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_SET_LINK_PRI(r8, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r9, 0x1, 0x0, 0x0, {{}, {}, {0x4c, 0x18, {0xb4e, @media='ib\x00'}}}}, 0x68}}, 0x0) sendmsg$TIPC_CMD_SHOW_LINK_STATS(r7, &(0x7f0000000600)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000580)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r9, @ANYBLOB="00042bbd7000fbdbdf2501000000000000000bc5e57a14e3d6ff3c0000000014001462726f6164636173"], 0x30}, 0x1, 0x0, 0x0, 0x800}, 0x0) socketpair(0x25, 0x4, 0x4ba, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) r13 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r14 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r13) r15 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r15) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000400)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000000), 0xc, &(0x7f0000000380)={&(0x7f0000002100)=ANY=[@ANYBLOB="c0000000", @ANYRES16=r2, @ANYBLOB="02002abd7000fddbdf25020000004c00078008000100", @ANYRES32=r4, @ANYBLOB="080001001294aefdfc05c3513795dc061d87d3ff0f9741f7befd46cc44354a29105c79dea5a04689dcff96a543070ad99c3123a924845e63b668d3d0e6", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r11, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r12, @ANYBLOB="08000100", @ANYRES32=r13, @ANYBLOB="0c00030010f0ffffffffffff0c0002009e0c00000000000008000100000000000c000300060000000000000008000100000000002c00078008000100", @ANYRES32=r15, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r16, @ANYBLOB], 0xc0}}, 0x48001) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000004c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x1c, r2, 0x300, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0xc821}, 0x4040010) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r10, 0x89f1, &(0x7f0000000740)={'syztnl0\x00', &(0x7f00000006c0)={'ip6_vti0\x00', 0x0, 0x29, 0xff, 0x7, 0x81, 0x12, @local, @private0={0xfc, 0x0, '\x00', 0x1}, 0x8740, 0x700, 0x6, 0x1000}}) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(r13, 0x89f0, &(0x7f0000000800)={'syztnl2\x00', &(0x7f0000000780)={'syztnl2\x00', 0x0, 0x29, 0x0, 0x40, 0x200000, 0x40, @dev={0xfe, 0x80, '\x00', 0x2a}, @mcast1, 0x700, 0x40, 0xffffffff, 0x9}}) ioctl$sock_SIOCGIFINDEX(r8, 0x8933, &(0x7f0000000840)={'veth0_virt_wifi\x00', 0x0}) sendmsg$ETHTOOL_MSG_DEBUG_SET(0xffffffffffffffff, &(0x7f0000001e80)={&(0x7f0000000680)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000001e40)={&(0x7f0000000880)=ANY=[@ANYBLOB="84150000", @ANYRES16=r14, @ANYBLOB="04002abd7000fedbdf250800000084000180140002006261746164763000000000000000000014000200767863616e31000000000000000000001400020074756e6c30000000000000000000000008000100", @ANYRES32=r17, @ANYBLOB="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", @ANYRES32=r18, @ANYBLOB="140002006873723000000000000000000000000008000100", @ANYRES32=r19, @ANYBLOB="080003000000000008000100", @ANYRES32=0x0, @ANYBLOB="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"], 0x15a4}, 0x1, 0x0, 0x0, 0x4004}, 0x48004) sendmsg$L2TP_CMD_TUNNEL_MODIFY(0xffffffffffffffff, &(0x7f0000002080)={&(0x7f0000000640)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000002040)={&(0x7f00000020c0)={0x30, 0x0, 0x100, 0x70bd26, 0xffff, {}, [@L2TP_ATTR_UDP_SPORT={0x6, 0x1a, 0x4e20}, @L2TP_ATTR_IFNAME={0x14, 0x8, 'gre0\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x8000}, 0xc810) [ 523.647221] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 11:17:55 executing program 3: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580), 0x8}) 11:17:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) 11:17:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x18, r2, 0x5, 0x0, 0x2, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x4000000}, 0x54) [ 523.699547] nbd: must specify a size in bytes for the device 11:17:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) [ 523.753581] nbd: must specify a size in bytes for the device [ 523.763850] nbd: must specify at least one socket 11:17:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$x25(0x9, 0x5, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_TSINFO_GET(r3, 0x0, 0x0) (async) sendmsg$L2TP_CMD_SESSION_MODIFY(r3, &(0x7f0000001fc0)={&(0x7f0000001ec0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000001f80)={&(0x7f0000001f00)={0x7c, 0x0, 0x20, 0x70bd2a, 0x25dfdbfe, {}, [@L2TP_ATTR_PEER_CONN_ID={0x8, 0xa, 0x3}, @L2TP_ATTR_PEER_SESSION_ID={0x8, 0xc, 0x4}, @L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @rand_addr=' \x01\x00'}, @L2TP_ATTR_L2SPEC_TYPE={0x5}, @L2TP_ATTR_MTU={0x6, 0x1c, 0x9}, @L2TP_ATTR_RECV_TIMEOUT={0xc, 0x16, 0xff}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @local}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @local}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4040805}, 0x24004880) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) (async) r5 = openat$full(0xffffffffffffff9c, &(0x7f0000000080), 0x211000, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) (async) r7 = openat$full(0xffffffffffffff9c, &(0x7f0000000500), 0x8100, 0x0) (async) r8 = socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_SET_LINK_PRI(r8, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r9, 0x1, 0x0, 0x0, {{}, {}, {0x4c, 0x18, {0xb4e, @media='ib\x00'}}}}, 0x68}}, 0x0) sendmsg$TIPC_CMD_SHOW_LINK_STATS(r7, &(0x7f0000000600)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000580)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r9, @ANYBLOB="00042bbd7000fbdbdf2501000000000000000bc5e57a14e3d6ff3c0000000014001462726f6164636173"], 0x30}, 0x1, 0x0, 0x0, 0x800}, 0x0) (async) socketpair(0x25, 0x4, 0x4ba, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) (async) r13 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r14 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r13) (async) r15 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r15) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000400)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000000), 0xc, &(0x7f0000000380)={&(0x7f0000002100)=ANY=[@ANYBLOB="c0000000", @ANYRES16=r2, @ANYBLOB="02002abd7000fddbdf25020000004c00078008000100", @ANYRES32=r4, @ANYBLOB="080001001294aefdfc05c3513795dc061d87d3ff0f9741f7befd46cc44354a29105c79dea5a04689dcff96a543070ad99c3123a924845e63b668d3d0e6", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r11, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r12, @ANYBLOB="08000100", @ANYRES32=r13, @ANYBLOB="0c00030010f0ffffffffffff0c0002009e0c00000000000008000100000000000c000300060000000000000008000100000000002c00078008000100", @ANYRES32=r15, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r16, @ANYBLOB], 0xc0}}, 0x48001) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000004c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x1c, r2, 0x300, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0xc821}, 0x4040010) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r10, 0x89f1, &(0x7f0000000740)={'syztnl0\x00', &(0x7f00000006c0)={'ip6_vti0\x00', 0x0, 0x29, 0xff, 0x7, 0x81, 0x12, @local, @private0={0xfc, 0x0, '\x00', 0x1}, 0x8740, 0x700, 0x6, 0x1000}}) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(r13, 0x89f0, &(0x7f0000000800)={'syztnl2\x00', &(0x7f0000000780)={'syztnl2\x00', 0x0, 0x29, 0x0, 0x40, 0x200000, 0x40, @dev={0xfe, 0x80, '\x00', 0x2a}, @mcast1, 0x700, 0x40, 0xffffffff, 0x9}}) (async) ioctl$sock_SIOCGIFINDEX(r8, 0x8933, &(0x7f0000000840)={'veth0_virt_wifi\x00', 0x0}) sendmsg$ETHTOOL_MSG_DEBUG_SET(0xffffffffffffffff, &(0x7f0000001e80)={&(0x7f0000000680)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000001e40)={&(0x7f0000000880)=ANY=[@ANYBLOB="84150000", @ANYRES16=r14, @ANYBLOB="04002abd7000fedbdf250800000084000180140002006261746164763000000000000000000014000200767863616e31000000000000000000001400020074756e6c30000000000000000000000008000100", @ANYRES32=r17, @ANYBLOB="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", @ANYRES32=r18, @ANYBLOB="140002006873723000000000000000000000000008000100", @ANYRES32=r19, @ANYBLOB="080003000000000008000100", @ANYRES32=0x0, @ANYBLOB="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"], 0x15a4}, 0x1, 0x0, 0x0, 0x4004}, 0x48004) (async) sendmsg$L2TP_CMD_TUNNEL_MODIFY(0xffffffffffffffff, &(0x7f0000002080)={&(0x7f0000000640)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000002040)={&(0x7f00000020c0)={0x30, 0x0, 0x100, 0x70bd26, 0xffff, {}, [@L2TP_ATTR_UDP_SPORT={0x6, 0x1a, 0x4e20}, @L2TP_ATTR_IFNAME={0x14, 0x8, 'gre0\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x8000}, 0xc810) 11:17:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) 11:17:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0) 11:17:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x18, r2, 0x5, 0x0, 0x2, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x4000000}, 0x54) [ 523.820519] nbd: must specify a size in bytes for the device 11:17:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 523.862345] nbd: must specify at least one socket 11:17:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) [ 523.917340] nbd: must specify a size in bytes for the device 11:17:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$x25(0x9, 0x5, 0x0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_TSINFO_GET(r3, 0x0, 0x0) sendmsg$L2TP_CMD_SESSION_MODIFY(r3, &(0x7f0000001fc0)={&(0x7f0000001ec0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000001f80)={&(0x7f0000001f00)={0x7c, 0x0, 0x20, 0x70bd2a, 0x25dfdbfe, {}, [@L2TP_ATTR_PEER_CONN_ID={0x8, 0xa, 0x3}, @L2TP_ATTR_PEER_SESSION_ID={0x8, 0xc, 0x4}, @L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @rand_addr=' \x01\x00'}, @L2TP_ATTR_L2SPEC_TYPE={0x5}, @L2TP_ATTR_MTU={0x6, 0x1c, 0x9}, @L2TP_ATTR_RECV_TIMEOUT={0xc, 0x16, 0xff}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @local}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @local}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4040805}, 0x24004880) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) (async) r5 = openat$full(0xffffffffffffff9c, &(0x7f0000000080), 0x211000, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r7 = openat$full(0xffffffffffffff9c, &(0x7f0000000500), 0x8100, 0x0) (async) r8 = socket$nl_generic(0x10, 0x3, 0x10) (async) r9 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_SET_LINK_PRI(r8, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r9, 0x1, 0x0, 0x0, {{}, {}, {0x4c, 0x18, {0xb4e, @media='ib\x00'}}}}, 0x68}}, 0x0) sendmsg$TIPC_CMD_SHOW_LINK_STATS(r7, &(0x7f0000000600)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000580)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r9, @ANYBLOB="00042bbd7000fbdbdf2501000000000000000bc5e57a14e3d6ff3c0000000014001462726f6164636173"], 0x30}, 0x1, 0x0, 0x0, 0x800}, 0x0) (async) socketpair(0x25, 0x4, 0x4ba, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) (async) r13 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r14 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r13) (async) r15 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r15) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000400)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000000), 0xc, &(0x7f0000000380)={&(0x7f0000002100)=ANY=[@ANYBLOB="c0000000", @ANYRES16=r2, @ANYBLOB="02002abd7000fddbdf25020000004c00078008000100", @ANYRES32=r4, @ANYBLOB="080001001294aefdfc05c3513795dc061d87d3ff0f9741f7befd46cc44354a29105c79dea5a04689dcff96a543070ad99c3123a924845e63b668d3d0e6", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r11, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r12, @ANYBLOB="08000100", @ANYRES32=r13, @ANYBLOB="0c00030010f0ffffffffffff0c0002009e0c00000000000008000100000000000c000300060000000000000008000100000000002c00078008000100", @ANYRES32=r15, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r16, @ANYBLOB], 0xc0}}, 0x48001) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000004c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x1c, r2, 0x300, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0xc821}, 0x4040010) (async) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r10, 0x89f1, &(0x7f0000000740)={'syztnl0\x00', &(0x7f00000006c0)={'ip6_vti0\x00', 0x0, 0x29, 0xff, 0x7, 0x81, 0x12, @local, @private0={0xfc, 0x0, '\x00', 0x1}, 0x8740, 0x700, 0x6, 0x1000}}) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(r13, 0x89f0, &(0x7f0000000800)={'syztnl2\x00', &(0x7f0000000780)={'syztnl2\x00', 0x0, 0x29, 0x0, 0x40, 0x200000, 0x40, @dev={0xfe, 0x80, '\x00', 0x2a}, @mcast1, 0x700, 0x40, 0xffffffff, 0x9}}) (async) ioctl$sock_SIOCGIFINDEX(r8, 0x8933, &(0x7f0000000840)={'veth0_virt_wifi\x00', 0x0}) sendmsg$ETHTOOL_MSG_DEBUG_SET(0xffffffffffffffff, &(0x7f0000001e80)={&(0x7f0000000680)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000001e40)={&(0x7f0000000880)=ANY=[@ANYBLOB="84150000", @ANYRES16=r14, @ANYBLOB="04002abd7000fedbdf250800000084000180140002006261746164763000000000000000000014000200767863616e31000000000000000000001400020074756e6c30000000000000000000000008000100", @ANYRES32=r17, @ANYBLOB="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", @ANYRES32=r18, @ANYBLOB="140002006873723000000000000000000000000008000100", @ANYRES32=r19, @ANYBLOB="080003000000000008000100", @ANYRES32=0x0, @ANYBLOB="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696d300000000000001400020070696d726567310000000000000000000800030001000000080003000100000014000200766972745f7769666930000000000000"], 0x15a4}, 0x1, 0x0, 0x0, 0x4004}, 0x48004) (async) sendmsg$L2TP_CMD_TUNNEL_MODIFY(0xffffffffffffffff, &(0x7f0000002080)={&(0x7f0000000640)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000002040)={&(0x7f00000020c0)={0x30, 0x0, 0x100, 0x70bd26, 0xffff, {}, [@L2TP_ATTR_UDP_SPORT={0x6, 0x1a, 0x4e20}, @L2TP_ATTR_IFNAME={0x14, 0x8, 'gre0\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x8000}, 0xc810) 11:17:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000001b00), 0x0) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r2, 0xc0145401, &(0x7f0000000000)) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) prctl$PR_GET_KEEPCAPS(0x7) 11:17:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 524.013394] nbd: must specify at least one socket 11:17:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x2c}}, 0x0) 11:17:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0) 11:17:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x2, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0x0, 0x6, 0x2}]}, 0x18}, 0x1, 0x0, 0x0, 0x24004040}, 0x0) r3 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$RDMA_NLDEV_CMD_GET_CHARDEV(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) sendmsg$RDMA_NLDEV_CMD_RES_QP_GET(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)={0x30, 0x140a, 0x400, 0x70bd27, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x1}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x2}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000000}, 0x8000) [ 524.040419] nbd: must specify a size in bytes for the device [ 524.066447] nbd: must specify a size in bytes for the device [ 524.085578] nbd: must specify at least one socket 11:17:56 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000001b00), 0x0) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r2, 0xc0145401, &(0x7f0000000000)) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) prctl$PR_GET_KEEPCAPS(0x7) 11:17:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0) 11:17:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x24, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 11:17:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0) 11:17:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x2, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0x0, 0x6, 0x2}]}, 0x18}, 0x1, 0x0, 0x0, 0x24004040}, 0x0) r3 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$RDMA_NLDEV_CMD_GET_CHARDEV(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) sendmsg$RDMA_NLDEV_CMD_RES_QP_GET(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)={0x30, 0x140a, 0x400, 0x70bd27, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x1}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x2}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000000}, 0x8000) 11:17:56 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000001b00), 0x0) (rerun: 32) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r2, 0xc0145401, &(0x7f0000000000)) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) prctl$PR_GET_KEEPCAPS(0x7) 11:17:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x24, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 524.250543] nbd: must specify at least one socket 11:17:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 524.329380] nbd: must specify at least one socket 11:17:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:56 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = socket$phonet(0x23, 0x2, 0x1) ioctl$SIOCPNGETOBJECT(r3, 0x89e0, &(0x7f00000009c0)) r4 = socket$phonet(0x23, 0x2, 0x1) ioctl$SIOCPNGETOBJECT(r4, 0x89e0, &(0x7f00000009c0)) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=ANY=[@ANYRES16=r1, @ANYRESOCT=r2, @ANYRES16=r0, @ANYRES64=r4], 0x18}, 0x1, 0x0, 0x0, 0x40000}, 0xf373397e6e734cf9) 11:17:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x24, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 11:17:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x2, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0x0, 0x6, 0x2}]}, 0x18}, 0x1, 0x0, 0x0, 0x24004040}, 0x0) (async) r3 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$RDMA_NLDEV_CMD_GET_CHARDEV(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) sendmsg$RDMA_NLDEV_CMD_RES_QP_GET(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)={0x30, 0x140a, 0x400, 0x70bd27, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x1}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x2}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000000}, 0x8000) 11:17:56 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) r3 = socket$phonet(0x23, 0x2, 0x1) ioctl$SIOCPNGETOBJECT(r3, 0x89e0, &(0x7f00000009c0)) (async, rerun: 64) r4 = socket$phonet(0x23, 0x2, 0x1) (rerun: 64) ioctl$SIOCPNGETOBJECT(r4, 0x89e0, &(0x7f00000009c0)) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=ANY=[@ANYRES16=r1, @ANYRESOCT=r2, @ANYRES16=r0, @ANYRES64=r4], 0x18}, 0x1, 0x0, 0x0, 0x40000}, 0xf373397e6e734cf9) 11:17:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x20, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x20}}, 0x0) [ 524.510265] nbd: must specify at least one socket 11:17:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)={0x1c, r2, 0x5, 0xfffefffc, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x20000008) 11:17:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x20, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x20}}, 0x0) 11:17:56 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) r3 = socket$phonet(0x23, 0x2, 0x1) ioctl$SIOCPNGETOBJECT(r3, 0x89e0, &(0x7f00000009c0)) (async) r4 = socket$phonet(0x23, 0x2, 0x1) ioctl$SIOCPNGETOBJECT(r4, 0x89e0, &(0x7f00000009c0)) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=ANY=[@ANYRES16=r1, @ANYRESOCT=r2, @ANYRES16=r0, @ANYRES64=r4], 0x18}, 0x1, 0x0, 0x0, 0x40000}, 0xf373397e6e734cf9) [ 524.599639] nbd: must specify a size in bytes for the device [ 524.624409] nbd: must specify at least one socket 11:17:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 524.666886] nbd: must specify at least one socket 11:17:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)={0x1c, r2, 0x5, 0xfffefffc, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x20000008) 11:17:56 executing program 0: 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) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="180000005b361c5b2d3372e9516fa259a8f619e0a00de2bad288ca7f98e15c0e3756b0e25a7216cee3f562e07b42d329e55116e40052909fea69ac8e3684a37157f9cd1c1db2e609d56069b6ff7f000000000000d2591abba3f0696d47d85b44d367746931385f879d928e2b542e81eecb74211402ee06ea547b94407f6e1b2eabc3d0e5eab6e6ae15628aa4d8ee2e01106e6aea4cdb47d38379cafcba9f41ac2caa0966a685cabc7d385de1948795cb05d63483daa5c72ae50a7e2b3f929e008000008fe5a9a49e23556feae9", @ANYRES16=r2, @ANYBLOB="a86d48d2000018e3f67da907e11604000780ca08e20a4ac26211c52d039af253ea8712fa6d1f5899ec0a7dac2051a9ca8479296dff4c050b25c8b9f3220a5c7f09dcac72e815fe84493c5a61733052d98d332aca3e81f8e0d8693e65fa66e1a61283fa1bcc391f3ec368c86a813c362d92081c31def4485dac2a019fcb2c0ea87b1a15abe8d0613fded2cc0dc75eb83222f814f0854d17dc36ec5f378659d57402264ca5414be65fbe024a7df6d5ecff3a5217053b33f2fb4670af68c5321a120eb55d2b9c93e96331acb05dd3b68a7a3fcbacfc21b256feaaade77b1c2c4ded5882c8e6b424c71689374df1ecc6ab34b829"], 0x18}}, 0x0) 11:17:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x20, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x20}}, 0x0) 11:17:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x2c}}, 0x0) [ 524.727899] nbd: must specify a size in bytes for the device [ 524.752799] nbd: must specify at least one socket 11:17:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)={0x1c, r2, 0x5, 0xfffefffc, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x20000008) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)={0x1c, r2, 0x5, 0xfffefffc, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x20000008) (async) 11:17:56 executing program 0: 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) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="180000005b361c5b2d3372e9516fa259a8f619e0a00de2bad288ca7f98e15c0e3756b0e25a7216cee3f562e07b42d329e55116e40052909fea69ac8e3684a37157f9cd1c1db2e609d56069b6ff7f000000000000d2591abba3f0696d47d85b44d367746931385f879d928e2b542e81eecb74211402ee06ea547b94407f6e1b2eabc3d0e5eab6e6ae15628aa4d8ee2e01106e6aea4cdb47d38379cafcba9f41ac2caa0966a685cabc7d385de1948795cb05d63483daa5c72ae50a7e2b3f929e008000008fe5a9a49e23556feae9", @ANYRES16=r2, @ANYBLOB="a86d48d2000018e3f67da907e11604000780ca08e20a4ac26211c52d039af253ea8712fa6d1f5899ec0a7dac2051a9ca8479296dff4c050b25c8b9f3220a5c7f09dcac72e815fe84493c5a61733052d98d332aca3e81f8e0d8693e65fa66e1a61283fa1bcc391f3ec368c86a813c362d92081c31def4485dac2a019fcb2c0ea87b1a15abe8d0613fded2cc0dc75eb83222f814f0854d17dc36ec5f378659d57402264ca5414be65fbe024a7df6d5ecff3a5217053b33f2fb4670af68c5321a120eb55d2b9c93e96331acb05dd3b68a7a3fcbacfc21b256feaaade77b1c2c4ded5882c8e6b424c71689374df1ecc6ab34b829"], 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="180000005b361c5b2d3372e9516fa259a8f619e0a00de2bad288ca7f98e15c0e3756b0e25a7216cee3f562e07b42d329e55116e40052909fea69ac8e3684a37157f9cd1c1db2e609d56069b6ff7f000000000000d2591abba3f0696d47d85b44d367746931385f879d928e2b542e81eecb74211402ee06ea547b94407f6e1b2eabc3d0e5eab6e6ae15628aa4d8ee2e01106e6aea4cdb47d38379cafcba9f41ac2caa0966a685cabc7d385de1948795cb05d63483daa5c72ae50a7e2b3f929e008000008fe5a9a49e23556feae9", @ANYRES16=r2, @ANYBLOB="a86d48d2000018e3f67da907e11604000780ca08e20a4ac26211c52d039af253ea8712fa6d1f5899ec0a7dac2051a9ca8479296dff4c050b25c8b9f3220a5c7f09dcac72e815fe84493c5a61733052d98d332aca3e81f8e0d8693e65fa66e1a61283fa1bcc391f3ec368c86a813c362d92081c31def4485dac2a019fcb2c0ea87b1a15abe8d0613fded2cc0dc75eb83222f814f0854d17dc36ec5f378659d57402264ca5414be65fbe024a7df6d5ecff3a5217053b33f2fb4670af68c5321a120eb55d2b9c93e96331acb05dd3b68a7a3fcbacfc21b256feaaade77b1c2c4ded5882c8e6b424c71689374df1ecc6ab34b829"], 0x18}}, 0x0) (async) 11:17:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x24, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 524.852584] nbd: must specify a size in bytes for the device 11:17:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) [ 524.936422] nbd: must specify at least one socket 11:17:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) [ 524.960498] nbd: must specify at least one socket 11:17:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x20, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x20}}, 0x0) 11:17:56 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="180000005b361c5b2d3372e9516fa259a8f619e0a00de2bad288ca7f98e15c0e3756b0e25a7216cee3f562e07b42d329e55116e40052909fea69ac8e3684a37157f9cd1c1db2e609d56069b6ff7f000000000000d2591abba3f0696d47d85b44d367746931385f879d928e2b542e81eecb74211402ee06ea547b94407f6e1b2eabc3d0e5eab6e6ae15628aa4d8ee2e01106e6aea4cdb47d38379cafcba9f41ac2caa0966a685cabc7d385de1948795cb05d63483daa5c72ae50a7e2b3f929e008000008fe5a9a49e23556feae9", @ANYRES16=r2, @ANYBLOB="a86d48d2000018e3f67da907e11604000780ca08e20a4ac26211c52d039af253ea8712fa6d1f5899ec0a7dac2051a9ca8479296dff4c050b25c8b9f3220a5c7f09dcac72e815fe84493c5a61733052d98d332aca3e81f8e0d8693e65fa66e1a61283fa1bcc391f3ec368c86a813c362d92081c31def4485dac2a019fcb2c0ea87b1a15abe8d0613fded2cc0dc75eb83222f814f0854d17dc36ec5f378659d57402264ca5414be65fbe024a7df6d5ecff3a5217053b33f2fb4670af68c5321a120eb55d2b9c93e96331acb05dd3b68a7a3fcbacfc21b256feaaade77b1c2c4ded5882c8e6b424c71689374df1ecc6ab34b829"], 0x18}}, 0x0) 11:17:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x24, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 11:17:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x20, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x20}}, 0x0) [ 525.128385] nbd: must specify at least one socket 11:17:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x24, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 11:17:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x20, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x20}}, 0x0) 11:17:57 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x8800}, 0x0) 11:17:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) [ 525.306062] nbd: must specify at least one socket 11:17:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x20, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x20}}, 0x0) 11:17:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x20, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x20}}, 0x0) 11:17:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:57 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x8800}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x8800}, 0x0) (async) [ 525.384495] nbd: must specify a size in bytes for the device 11:17:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) [ 525.601595] nbd: must specify at least one socket 11:17:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x2c}}, 0x0) 11:17:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0) [ 525.626257] nbd: must specify at least one socket [ 525.631184] nbd: must specify a size in bytes for the device [ 525.649856] nbd: must specify a size in bytes for the device 11:17:57 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x8800}, 0x0) 11:17:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x20, r1, 0x5, 0x0, 0x4, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}]}, 0x20}}, 0x0) 11:17:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x20, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x20}}, 0x0) [ 525.687920] nbd: must specify a size in bytes for the device 11:17:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000001b00), 0x0) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r2, 0xc0145401, &(0x7f0000000000)) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) prctl$PR_GET_KEEPCAPS(0x7) 11:17:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x24, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 11:17:57 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 525.791951] nbd: must specify a size in bytes for the device [ 525.823449] nbd: must specify a size in bytes for the device [ 525.831821] nbd: must specify a size in bytes for the device 11:17:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x20, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x20}}, 0x0) 11:17:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 525.846606] nbd: must specify at least one socket 11:17:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x24, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 11:17:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x20, r1, 0x5, 0x0, 0x4, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}]}, 0x20}}, 0x0) 11:17:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:57 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 11:17:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x24, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 11:17:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) [ 525.930530] nbd: must specify a size in bytes for the device [ 525.952170] nbd: must specify a size in bytes for the device 11:17:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 11:17:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x20, r1, 0x5, 0x0, 0x4, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}]}, 0x20}}, 0x0) [ 526.015966] nbd: must specify at least one socket 11:17:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x20, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x20}}, 0x0) 11:17:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 11:17:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) [ 526.087405] nbd: must specify a size in bytes for the device [ 526.099357] nbd: must specify a size in bytes for the device 11:17:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x24, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 11:17:58 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x20, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x20}}, 0x0) [ 526.188658] nbd: must specify a size in bytes for the device [ 526.225387] nbd: must specify a size in bytes for the device 11:17:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0xc0100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r4, 0x200, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x10}, 0xb1) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r5) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:17:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="1800000078e41ef86d8bb612af6a6f14409c9953cf921f1726fc5b2642ed679ebe2b8f6cd876484a83060120b9e33a7581321b", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) [ 526.273175] nbd: must specify a size in bytes for the device 11:17:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0) 11:17:58 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x20, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x20}}, 0x0) [ 526.345158] nbd: must specify a size in bytes for the device 11:17:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="1800000078e41ef86d8bb612af6a6f14409c9953cf921f1726fc5b2642ed679ebe2b8f6cd876484a83060120b9e33a7581321b", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) [ 526.388666] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 11:17:58 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580), 0x8}) 11:17:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="1800000078e41ef86d8bb612af6a6f14409c9953cf921f1726fc5b2642ed679ebe2b8f6cd876484a83060120b9e33a7581321b", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="1800000078e41ef86d8bb612af6a6f14409c9953cf921f1726fc5b2642ed679ebe2b8f6cd876484a83060120b9e33a7581321b", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) (async) 11:17:58 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:17:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) [ 526.477642] nbd: must specify a size in bytes for the device 11:17:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0xc0100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r4, 0x200, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x10}, 0xb1) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r5) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 526.518289] nbd: must specify a size in bytes for the device 11:17:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:58 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580), 0x8}) 11:17:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 11:17:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) socketpair(0x2a, 0x1, 0xea6, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x48, r4, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x20000800}, 0x4) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0xfffffffffffffdc8, &(0x7f0000000240)={&(0x7f0000000000)={0x20, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffbb92}]}, 0x20}, 0x1, 0x0, 0x0, 0x4845}, 0x0) 11:17:58 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) [ 526.636421] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 11:17:58 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580), 0x8}) 11:17:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0xc0100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r4, 0x200, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x10}, 0xb1) (rerun: 64) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r5) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:17:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 11:17:58 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000005c0)={&(0x7f0000000580), 0x8}) [ 526.735892] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 11:17:58 executing program 4: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, 0x0) 11:17:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 526.781281] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 11:17:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 11:17:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) socketpair(0x2a, 0x1, 0xea6, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x48, r4, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x20000800}, 0x4) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0xfffffffffffffdc8, &(0x7f0000000240)={&(0x7f0000000000)={0x20, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffbb92}]}, 0x20}, 0x1, 0x0, 0x0, 0x4845}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async) socketpair(0x2a, 0x1, 0xea6, &(0x7f00000000c0)) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x48, r4, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x20000800}, 0x4) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0xfffffffffffffdc8, &(0x7f0000000240)={&(0x7f0000000000)={0x20, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffbb92}]}, 0x20}, 0x1, 0x0, 0x0, 0x4845}, 0x0) (async) 11:17:58 executing program 4: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, 0x0) 11:17:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) 11:17:58 executing program 4: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, 0x0) [ 526.930261] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 526.957967] nbd: must specify a size in bytes for the device 11:17:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)=ANY=[@ANYRES64=r3, @ANYRES32=r0, @ANYBLOB="0500"/18], 0x18}}, 0x4000004) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r2, 0x1, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4800}, 0x2c75925313704751) 11:17:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) socketpair(0x2a, 0x1, 0xea6, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x48, r4, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x20000800}, 0x4) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0xfffffffffffffdc8, &(0x7f0000000240)={&(0x7f0000000000)={0x20, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffbb92}]}, 0x20}, 0x1, 0x0, 0x0, 0x4845}, 0x0) [ 526.993498] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 11:17:58 executing program 4: pselect6(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) 11:17:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) [ 527.103623] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 527.172608] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 11:17:59 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000005c0)={&(0x7f0000000580), 0x8}) 11:17:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async) socketpair(0x2a, 0x1, 0xea6, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x48, r4, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x20000800}, 0x4) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0xfffffffffffffdc8, &(0x7f0000000240)={&(0x7f0000000000)={0x20, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffbb92}]}, 0x20}, 0x1, 0x0, 0x0, 0x4845}, 0x0) 11:17:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) 11:17:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)=ANY=[@ANYRES64=r3, @ANYRES32=r0, @ANYBLOB="0500"/18], 0x18}}, 0x4000004) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r2, 0x1, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4800}, 0x2c75925313704751) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)=ANY=[@ANYRES64=r3, @ANYRES32=r0, @ANYBLOB="0500"/18], 0x18}}, 0x4000004) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r2, 0x1, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4800}, 0x2c75925313704751) (async) 11:17:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)=ANY=[@ANYRES64=r3, @ANYRES32=r0, @ANYBLOB="0500"/18], 0x18}}, 0x4000004) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r2, 0x1, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4800}, 0x2c75925313704751) [ 527.715791] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 11:17:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x39}}, 0x0) 11:17:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0) 11:17:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:17:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)=ANY=[@ANYRES64=r3, @ANYRES32=r0, @ANYBLOB="0500"/18], 0x18}}, 0x4000004) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r2, 0x1, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4800}, 0x2c75925313704751) 11:17:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 527.865479] nbd: must specify a size in bytes for the device 11:17:59 executing program 4: pselect6(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) 11:17:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x39}}, 0x0) [ 528.002316] nbd: must specify a size in bytes for the device 11:18:00 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000005c0)={&(0x7f0000000580), 0x8}) 11:18:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0) 11:18:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r3, 0x8, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xee81}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000}, 0x4008084) 11:18:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) prctl$PR_PAC_RESET_KEYS(0x36, 0x9) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:00 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x39}}, 0x0) 11:18:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0) 11:18:00 executing program 5: pselect6(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) 11:18:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r3, 0x8, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xee81}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000}, 0x4008084) [ 528.598245] nbd: must specify a size in bytes for the device 11:18:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:18:00 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$inet6_udp(0xa, 0x2, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x14, r2, 0x5, 0x0, 0xfffffff9}, 0xfffffffffffffdd0}, 0x1, 0x0, 0x0, 0x800}, 0x0) [ 528.732757] nbd: must specify a size in bytes for the device 11:18:00 executing program 4: pselect6(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) 11:18:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:18:01 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, 0x0) 11:18:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r3, 0x8, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xee81}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000}, 0x4008084) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r3, 0x8, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xee81}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000}, 0x4008084) (async) 11:18:01 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socket$inet6_udp(0xa, 0x2, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x14, r2, 0x5, 0x0, 0xfffffff9}, 0xfffffffffffffdd0}, 0x1, 0x0, 0x0, 0x800}, 0x0) 11:18:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:18:01 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, 0x0) 11:18:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:18:01 executing program 5: pselect6(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) 11:18:01 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$inet6_udp(0xa, 0x2, 0x0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x14, r2, 0x5, 0x0, 0xfffffff9}, 0xfffffffffffffdd0}, 0x1, 0x0, 0x0, 0x800}, 0x0) [ 529.468764] nbd: must specify a size in bytes for the device [ 529.483490] nbd: must specify a size in bytes for the device 11:18:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYRES64=r2, @ANYRESDEC=r1, @ANYBLOB="000000000000000000000100000004000780"], 0x18}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) 11:18:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:18:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYRES64=r2, @ANYRESDEC=r1, @ANYBLOB="000000000000000000000100000004000780"], 0x18}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) 11:18:01 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, 0x0) 11:18:01 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) sendmsg$ETHTOOL_MSG_EEE_SET(0xffffffffffffffff, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x24, 0x0, 0x4, 0x70bd2b, 0x25dfdbfe, {}, [@ETHTOOL_A_EEE_TX_LPI_ENABLED={0x5}, @ETHTOOL_A_EEE_ENABLED={0x5}]}, 0x24}, 0x1, 0x0, 0x0, 0x4001}, 0x4000884) 11:18:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:18:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:18:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:18:01 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={0x0}) 11:18:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYRES64=r2, @ANYRESDEC=r1, @ANYBLOB="000000000000000000000100000004000780"], 0x18}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) [ 529.782609] nbd: must specify a size in bytes for the device 11:18:02 executing program 5: pselect6(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) 11:18:02 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) sendmsg$ETHTOOL_MSG_EEE_SET(0xffffffffffffffff, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x24, 0x0, 0x4, 0x70bd2b, 0x25dfdbfe, {}, [@ETHTOOL_A_EEE_TX_LPI_ENABLED={0x5}, @ETHTOOL_A_EEE_ENABLED={0x5}]}, 0x24}, 0x1, 0x0, 0x0, 0x4001}, 0x4000884) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) sendmsg$ETHTOOL_MSG_EEE_SET(0xffffffffffffffff, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x24, 0x0, 0x4, 0x70bd2b, 0x25dfdbfe, {}, [@ETHTOOL_A_EEE_TX_LPI_ENABLED={0x5}, @ETHTOOL_A_EEE_ENABLED={0x5}]}, 0x24}, 0x1, 0x0, 0x0, 0x4001}, 0x4000884) (async) 11:18:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x20, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) 11:18:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$inet6_udp(0xa, 0x2, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x14, r2, 0x5, 0x0, 0xfffffff9}, 0xfffffffffffffdd0}, 0x1, 0x0, 0x0, 0x800}, 0x0) 11:18:02 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={0x0}) 11:18:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_NODES(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x1c, r2, 0x100, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000000}, 0x1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB='\r\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="05000000000000000000010000000400078023920f7bd9ab5674ee0b242b86c052050786826b133aac60411e42922763f9de6be40a63c67df182173cc72f475011ac8119665bedbf5155a4f678693dd27946b9654ab33a156966f834580f4a2f83222af2ba69"], 0x18}}, 0x0) 11:18:02 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={0x0}) 11:18:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_NODES(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x1c, r2, 0x100, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000000}, 0x1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB='\r\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="05000000000000000000010000000400078023920f7bd9ab5674ee0b242b86c052050786826b133aac60411e42922763f9de6be40a63c67df182173cc72f475011ac8119665bedbf5155a4f678693dd27946b9654ab33a156966f834580f4a2f83222af2ba69"], 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), 0xffffffffffffffff) (async) sendmsg$TIPC_CMD_GET_NODES(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x1c, r2, 0x100, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000000}, 0x1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB='\r\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="05000000000000000000010000000400078023920f7bd9ab5674ee0b242b86c052050786826b133aac60411e42922763f9de6be40a63c67df182173cc72f475011ac8119665bedbf5155a4f678693dd27946b9654ab33a156966f834580f4a2f83222af2ba69"], 0x18}}, 0x0) (async) 11:18:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x28, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) [ 530.492698] nbd: must specify at least one socket [ 530.503449] nbd: must specify a size in bytes for the device 11:18:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x20, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) 11:18:02 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) sendmsg$ETHTOOL_MSG_EEE_SET(0xffffffffffffffff, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x24, 0x0, 0x4, 0x70bd2b, 0x25dfdbfe, {}, [@ETHTOOL_A_EEE_TX_LPI_ENABLED={0x5}, @ETHTOOL_A_EEE_ENABLED={0x5}]}, 0x24}, 0x1, 0x0, 0x0, 0x4001}, 0x4000884) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) sendmsg$ETHTOOL_MSG_EEE_SET(0xffffffffffffffff, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x24, 0x0, 0x4, 0x70bd2b, 0x25dfdbfe, {}, [@ETHTOOL_A_EEE_TX_LPI_ENABLED={0x5}, @ETHTOOL_A_EEE_ENABLED={0x5}]}, 0x24}, 0x1, 0x0, 0x0, 0x4001}, 0x4000884) (async) 11:18:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_NODES(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x1c, r2, 0x100, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000000}, 0x1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB='\r\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="05000000000000000000010000000400078023920f7bd9ab5674ee0b242b86c052050786826b133aac60411e42922763f9de6be40a63c67df182173cc72f475011ac8119665bedbf5155a4f678693dd27946b9654ab33a156966f834580f4a2f83222af2ba69"], 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), 0xffffffffffffffff) (async) sendmsg$TIPC_CMD_GET_NODES(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x1c, r2, 0x100, 0x70bd27, 0x25dfdbff, {}, ["", "", "", "", "", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000000}, 0x1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB='\r\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="05000000000000000000010000000400078023920f7bd9ab5674ee0b242b86c052050786826b133aac60411e42922763f9de6be40a63c67df182173cc72f475011ac8119665bedbf5155a4f678693dd27946b9654ab33a156966f834580f4a2f83222af2ba69"], 0x18}}, 0x0) (async) [ 530.573305] nbd: must specify a size in bytes for the device [ 530.607483] nbd: must specify at least one socket [ 530.678267] nbd: must specify a size in bytes for the device [ 530.691958] nbd: must specify a size in bytes for the device 11:18:03 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) 11:18:03 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x20, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) 11:18:03 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x20, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) 11:18:03 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x14, r2, 0x5}, 0x14}}, 0x0) 11:18:03 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000380)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000340)={&(0x7f00000000c0)={0x14, 0x0, 0x2, 0x70bd26, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x8020000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r4) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)={0x70, r2, 0x4, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '/'}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000}, 0x44000) 11:18:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:03 executing program 4: pselect6(0x0, 0x0, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) 11:18:03 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000380)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000340)={&(0x7f00000000c0)={0x14, 0x0, 0x2, 0x70bd26, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x8020000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r4) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)={0x70, r2, 0x4, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '/'}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000}, 0x44000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000380)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000340)={&(0x7f00000000c0)={0x14, 0x0, 0x2, 0x70bd26, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x8020000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) (async) bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r4) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)={0x70, r2, 0x4, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '/'}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000}, 0x44000) (async) [ 531.390225] nbd: must specify at least one socket [ 531.403386] nbd: must specify at least one socket [ 531.415411] nbd: must specify a size in bytes for the device [ 531.423161] nbd: must specify at least one socket 11:18:03 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x1c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 11:18:03 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x14, r2, 0x5}, 0x14}}, 0x0) [ 531.483446] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 531.522162] nbd: must specify a size in bytes for the device 11:18:03 executing program 4: pselect6(0x0, 0x0, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) 11:18:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$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$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 531.543030] nbd: must specify at least one socket [ 531.561205] nbd: must specify at least one socket [ 531.644740] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 11:18:04 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) 11:18:04 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x14, r2, 0x5}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x14, r2, 0x5}, 0x14}}, 0x0) (async) 11:18:04 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="d90d00dc8346c71393f431a2d927da3adaf045422c3e15f71baa613addeb13a9a73e39082f1eff88a5c7251cddc5fd230c7aab96b761b8e180fa", @ANYRES16=r5, @ANYBLOB="05000000000000000000010000000c00020000000000000000000c00060001000000000000000c00078008000100", @ANYRES32, @ANYBLOB], 0x38}}, 0x0) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0xa0, r5, 0x200, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x34e}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1f}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0xa0}, 0x1, 0x0, 0x0, 0x4000000}, 0x8000) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:04 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000380)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000340)={&(0x7f00000000c0)={0x14, 0x0, 0x2, 0x70bd26, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x8020000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r4) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)={0x70, r2, 0x4, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '/'}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000}, 0x44000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000380)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000340)={&(0x7f00000000c0)={0x14, 0x0, 0x2, 0x70bd26, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x8020000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) (async) bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r4) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)={0x70, r2, 0x4, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '/'}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000}, 0x44000) (async) 11:18:04 executing program 4: pselect6(0x0, 0x0, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) 11:18:04 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:04 executing program 4: pselect6(0x0, 0x0, 0x0, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) [ 532.266280] nbd: must specify at least one socket 11:18:04 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x6c, r2, 0x410, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, ')'}]}, 0x6c}, 0x1, 0x0, 0x0, 0x1}, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) 11:18:04 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000340)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000002c0)={0x58, r2, 0x400, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x58}, 0x1, 0x0, 0x0, 0x4044044}, 0xdd9bfd73efc94d10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000380)=ANY=[@ANYBLOB="18000000", @ANYRES16=r3, @ANYBLOB="050000000000000000000100000004000780abb1897b39ac3c2ee9de3c8d57fd014d5e0b07cbe34d135eb8e3a9fcaa07c6a81f46bab4d79e8cd30111c180f738ecb119126d0f8a7f2bcfe2f693ac9e236167000195"], 0x18}}, 0x0) select(0x40, &(0x7f0000000000)={0x10000, 0xc9, 0x0, 0xffffffffffffffc1, 0xb2fe, 0x8, 0x6, 0x2}, &(0x7f0000000040)={0x2, 0x0, 0x9, 0x12000000000, 0x1, 0x595, 0x5, 0x7}, &(0x7f0000000080)={0x3, 0x0, 0x2, 0x8, 0x5, 0x9, 0x3ff, 0x7}, &(0x7f00000000c0)={0x0, 0x2710}) [ 532.296295] nbd: must specify a size in bytes for the device [ 532.302428] nbd: must specify at least one socket [ 532.318752] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 532.336871] nbd: must specify a size in bytes for the device 11:18:04 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) 11:18:04 executing program 5: syz_init_net_socket$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$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:04 executing program 4: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) [ 532.450238] nbd: must specify a size in bytes for the device [ 532.467408] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 11:18:05 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) 11:18:05 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r4) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x6c, r2, 0x410, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, ')'}]}, 0x6c}, 0x1, 0x0, 0x0, 0x1}, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) 11:18:05 executing program 4: pselect6(0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) 11:18:05 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000340)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000002c0)={0x58, r2, 0x400, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x58}, 0x1, 0x0, 0x0, 0x4044044}, 0xdd9bfd73efc94d10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000380)=ANY=[@ANYBLOB="18000000", @ANYRES16=r3, @ANYBLOB="050000000000000000000100000004000780abb1897b39ac3c2ee9de3c8d57fd014d5e0b07cbe34d135eb8e3a9fcaa07c6a81f46bab4d79e8cd30111c180f738ecb119126d0f8a7f2bcfe2f693ac9e236167000195"], 0x18}}, 0x0) select(0x40, &(0x7f0000000000)={0x10000, 0xc9, 0x0, 0xffffffffffffffc1, 0xb2fe, 0x8, 0x6, 0x2}, &(0x7f0000000040)={0x2, 0x0, 0x9, 0x12000000000, 0x1, 0x595, 0x5, 0x7}, &(0x7f0000000080)={0x3, 0x0, 0x2, 0x8, 0x5, 0x9, 0x3ff, 0x7}, &(0x7f00000000c0)={0x0, 0x2710}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000340)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000002c0)={0x58, r2, 0x400, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x58}, 0x1, 0x0, 0x0, 0x4044044}, 0xdd9bfd73efc94d10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000380)=ANY=[@ANYBLOB="18000000", @ANYRES16=r3, @ANYBLOB="050000000000000000000100000004000780abb1897b39ac3c2ee9de3c8d57fd014d5e0b07cbe34d135eb8e3a9fcaa07c6a81f46bab4d79e8cd30111c180f738ecb119126d0f8a7f2bcfe2f693ac9e236167000195"], 0x18}}, 0x0) (async) select(0x40, &(0x7f0000000000)={0x10000, 0xc9, 0x0, 0xffffffffffffffc1, 0xb2fe, 0x8, 0x6, 0x2}, &(0x7f0000000040)={0x2, 0x0, 0x9, 0x12000000000, 0x1, 0x595, 0x5, 0x7}, &(0x7f0000000080)={0x3, 0x0, 0x2, 0x8, 0x5, 0x9, 0x3ff, 0x7}, &(0x7f00000000c0)={0x0, 0x2710}) (async) 11:18:05 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:05 executing program 5: syz_init_net_socket$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$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:05 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(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 533.171074] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 533.187689] nbd: must specify a size in bytes for the device [ 533.196945] nbd: must specify a size in bytes for the device 11:18:05 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000340)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000002c0)={0x58, r2, 0x400, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x58}, 0x1, 0x0, 0x0, 0x4044044}, 0xdd9bfd73efc94d10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000380)=ANY=[@ANYBLOB="18000000", @ANYRES16=r3, @ANYBLOB="050000000000000000000100000004000780abb1897b39ac3c2ee9de3c8d57fd014d5e0b07cbe34d135eb8e3a9fcaa07c6a81f46bab4d79e8cd30111c180f738ecb119126d0f8a7f2bcfe2f693ac9e236167000195"], 0x18}}, 0x0) select(0x40, &(0x7f0000000000)={0x10000, 0xc9, 0x0, 0xffffffffffffffc1, 0xb2fe, 0x8, 0x6, 0x2}, &(0x7f0000000040)={0x2, 0x0, 0x9, 0x12000000000, 0x1, 0x595, 0x5, 0x7}, &(0x7f0000000080)={0x3, 0x0, 0x2, 0x8, 0x5, 0x9, 0x3ff, 0x7}, &(0x7f00000000c0)={0x0, 0x2710}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), 0xffffffffffffffff) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000340)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000002c0)={0x58, r2, 0x400, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x58}, 0x1, 0x0, 0x0, 0x4044044}, 0xdd9bfd73efc94d10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000380)=ANY=[@ANYBLOB="18000000", @ANYRES16=r3, @ANYBLOB="050000000000000000000100000004000780abb1897b39ac3c2ee9de3c8d57fd014d5e0b07cbe34d135eb8e3a9fcaa07c6a81f46bab4d79e8cd30111c180f738ecb119126d0f8a7f2bcfe2f693ac9e236167000195"], 0x18}}, 0x0) (async) select(0x40, &(0x7f0000000000)={0x10000, 0xc9, 0x0, 0xffffffffffffffc1, 0xb2fe, 0x8, 0x6, 0x2}, &(0x7f0000000040)={0x2, 0x0, 0x9, 0x12000000000, 0x1, 0x595, 0x5, 0x7}, &(0x7f0000000080)={0x3, 0x0, 0x2, 0x8, 0x5, 0x9, 0x3ff, 0x7}, &(0x7f00000000c0)={0x0, 0x2710}) (async) 11:18:05 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r4) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x6c, r2, 0x410, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, ')'}]}, 0x6c}, 0x1, 0x0, 0x0, 0x1}, 0x10) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) (rerun: 32) [ 533.227957] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 11:18:05 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:05 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$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 533.326486] nbd: must specify a size in bytes for the device [ 533.348654] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 533.368240] nbd: must specify a size in bytes for the device 11:18:05 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="18000000a76ecdb10d158d64ddb62c80cbfdc55acf8d472b83", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r7) sendmsg$NBD_CMD_STATUS(r7, &(0x7f00000003c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x6c, r2, 0x400, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000000000000001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x6c}, 0x1, 0x0, 0x0, 0x10}, 0x4000100) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r9 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0xc8401900}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x4c, r5, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3f}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20080a0}, 0x4000041) [ 533.487230] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 11:18:05 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) 11:18:05 executing program 2: pselect6(0x40, &(0x7f0000000000)={0x5, 0x1, 0x4, 0x84e4, 0x1, 0x0, 0xfc0000, 0x9}, &(0x7f0000000040)={0xd134, 0xfffffffffffffffe, 0x80000001, 0xc4, 0x2, 0xfffffffffffffeff, 0x7, 0x5}, &(0x7f0000000080)={0x0, 0x5, 0x3a31, 0x6, 0x9, 0x7fff, 0x8, 0x200}, &(0x7f00000000c0)={0x0, 0x989680}, &(0x7f0000000140)={&(0x7f00000001c0)={[0x9c1]}, 0x8}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000340)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x30, 0x0, 0x400, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000010}, 0x20044000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:05 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:05 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$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:05 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="18000000a76ecdb10d158d64ddb62c80cbfdc55acf8d472b83", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r7) sendmsg$NBD_CMD_STATUS(r7, &(0x7f00000003c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x6c, r2, 0x400, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000000000000001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x6c}, 0x1, 0x0, 0x0, 0x10}, 0x4000100) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r9 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0xc8401900}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x4c, r5, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3f}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20080a0}, 0x4000041) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="18000000a76ecdb10d158d64ddb62c80cbfdc55acf8d472b83", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r7) (async) sendmsg$NBD_CMD_STATUS(r7, &(0x7f00000003c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x6c, r2, 0x400, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000000000000001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x6c}, 0x1, 0x0, 0x0, 0x10}, 0x4000100) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0xc8401900}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x4c, r5, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3f}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20080a0}, 0x4000041) (async) 11:18:05 executing program 4: pselect6(0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) 11:18:06 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$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 534.100881] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 11:18:06 executing program 2: pselect6(0x40, &(0x7f0000000000)={0x5, 0x1, 0x4, 0x84e4, 0x1, 0x0, 0xfc0000, 0x9}, &(0x7f0000000040)={0xd134, 0xfffffffffffffffe, 0x80000001, 0xc4, 0x2, 0xfffffffffffffeff, 0x7, 0x5}, &(0x7f0000000080)={0x0, 0x5, 0x3a31, 0x6, 0x9, 0x7fff, 0x8, 0x200}, &(0x7f00000000c0)={0x0, 0x989680}, &(0x7f0000000140)={&(0x7f00000001c0)={[0x9c1]}, 0x8}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000340)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x30, 0x0, 0x400, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000010}, 0x20044000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:06 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 534.161018] nbd: must specify a size in bytes for the device [ 534.190546] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 11:18:06 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="18000000a76ecdb10d158d64ddb62c80cbfdc55acf8d472b83", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r7) (async) sendmsg$NBD_CMD_STATUS(r7, &(0x7f00000003c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x6c, r2, 0x400, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000000000000001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x6c}, 0x1, 0x0, 0x0, 0x10}, 0x4000100) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r9 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0xc8401900}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x4c, r5, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3f}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20080a0}, 0x4000041) 11:18:06 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:06 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 534.270992] nbd: must specify a size in bytes for the device 11:18:06 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) 11:18:06 executing program 2: pselect6(0x40, &(0x7f0000000000)={0x5, 0x1, 0x4, 0x84e4, 0x1, 0x0, 0xfc0000, 0x9}, &(0x7f0000000040)={0xd134, 0xfffffffffffffffe, 0x80000001, 0xc4, 0x2, 0xfffffffffffffeff, 0x7, 0x5}, &(0x7f0000000080)={0x0, 0x5, 0x3a31, 0x6, 0x9, 0x7fff, 0x8, 0x200}, &(0x7f00000000c0)={0x0, 0x989680}, &(0x7f0000000140)={&(0x7f00000001c0)={[0x9c1]}, 0x8}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000340)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x30, 0x0, 0x400, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000010}, 0x20044000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) pselect6(0x40, &(0x7f0000000000)={0x5, 0x1, 0x4, 0x84e4, 0x1, 0x0, 0xfc0000, 0x9}, &(0x7f0000000040)={0xd134, 0xfffffffffffffffe, 0x80000001, 0xc4, 0x2, 0xfffffffffffffeff, 0x7, 0x5}, &(0x7f0000000080)={0x0, 0x5, 0x3a31, 0x6, 0x9, 0x7fff, 0x8, 0x200}, &(0x7f00000000c0)={0x0, 0x989680}, &(0x7f0000000140)={&(0x7f00000001c0)={[0x9c1]}, 0x8}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000340)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x30, 0x0, 0x400, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000010}, 0x20044000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 11:18:06 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:06 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:06 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:06 executing program 4: pselect6(0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) 11:18:06 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:06 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:07 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 535.030291] nbd: must specify a size in bytes for the device [ 535.042871] nbd: must specify a size in bytes for the device [ 535.059138] nbd: must specify a size in bytes for the device 11:18:07 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000080)={0x20, r2, 0x300, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x10}, 0x0) 11:18:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000080)={0x20, r2, 0x300, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x10}, 0x0) (rerun: 32) [ 535.202915] nbd: must specify a size in bytes for the device 11:18:07 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) 11:18:07 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:07 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$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:07 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$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$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000080)={0x20, r2, 0x300, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x10}, 0x0) 11:18:07 executing program 4: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, 0x0) 11:18:07 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x30, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x30}}, 0x0) [ 535.887040] nbd: must specify a size in bytes for the device 11:18:07 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:07 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:07 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x30, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x30}}, 0x0) 11:18:07 executing program 4: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, 0x0) [ 535.971790] nbd: must specify a size in bytes for the device 11:18:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000300)={&(0x7f0000000140), 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0x38, 0x0, 0x8, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4044040}, 0x40091) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x60, r3, 0x200, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x4000004}, 0x80) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 536.088141] nbd: must specify a size in bytes for the device [ 536.142103] nbd: must specify a size in bytes for the device 11:18:08 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000005c0)={0x0}) 11:18:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:08 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x30, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x30}}, 0x0) 11:18:08 executing program 4: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, 0x0) 11:18:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000300)={&(0x7f0000000140), 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0x38, 0x0, 0x8, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4044040}, 0x40091) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x60, r3, 0x200, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x4000004}, 0x80) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:08 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000300)={&(0x7f0000000140), 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0x38, 0x0, 0x8, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4044040}, 0x40091) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x60, r3, 0x200, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x4000004}, 0x80) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000300)={&(0x7f0000000140), 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0x38, 0x0, 0x8, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x4044040}, 0x40091) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x60, r3, 0x200, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x4000004}, 0x80) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 11:18:08 executing program 4: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={0x0}) 11:18:08 executing program 0: 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(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 536.848909] nbd: must specify a size in bytes for the device [ 536.869318] nbd: must specify a size in bytes for the device [ 536.883628] nla_parse: 4 callbacks suppressed [ 536.883636] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 11:18:08 executing program 5: r0 = syz_init_net_socket$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$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:08 executing program 4: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={0x0}) [ 536.977493] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 537.004650] nbd: must specify a size in bytes for the device [ 537.021249] nbd: must specify a size in bytes for the device 11:18:09 executing program 4: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={0x0}) 11:18:09 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:09 executing program 0: 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(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 11:18:09 executing program 5: r0 = syz_init_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, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="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", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) socketpair(0x1f, 0x4, 0x3, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000200)={&(0x7f00000002c0)={0x64, r5, 0x200, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8b0b}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}]}, 0x64}, 0x1, 0x0, 0x0, 0x20004080}, 0x0) 11:18:09 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:09 executing program 5: r0 = syz_init_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, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:09 executing program 4: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580), 0x8}) [ 537.743311] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 537.783109] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 11:18:09 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}]}]}, 0x40}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r8, &(0x7f0000000300)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="18800000", @ANYRES16=r2, @ANYBLOB="000825bd7000fbdbdf250500000004000a00"], 0x18}, 0x1, 0x0, 0x0, 0x15}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000340)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010025bd7000fe00000000000c00050000010000000000000c000300a100000000000000e335754e2677f3ed6af9325389de2b9c4f4897e89dfd51353c813c87"], 0x34}, 0x1, 0x0, 0x0, 0x801}, 0xc0) 11:18:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="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", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async) socketpair(0x1f, 0x4, 0x3, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000200)={&(0x7f00000002c0)={0x64, r5, 0x200, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8b0b}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}]}, 0x64}, 0x1, 0x0, 0x0, 0x20004080}, 0x0) 11:18:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="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", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) socketpair(0x1f, 0x4, 0x3, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000200)={&(0x7f00000002c0)={0x64, r5, 0x200, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8b0b}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}]}, 0x64}, 0x1, 0x0, 0x0, 0x20004080}, 0x0) 11:18:09 executing program 4: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580), 0x8}) [ 537.841800] nbd: must specify a size in bytes for the device [ 537.880446] nbd: must specify a size in bytes for the device 11:18:09 executing program 0: syz_init_net_socket$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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 11:18:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:09 executing program 4: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580), 0x8}) [ 537.953121] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 11:18:09 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 538.043940] nbd: must specify a size in bytes for the device [ 538.066343] nbd: must specify a size in bytes for the device [ 538.081770] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 11:18:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:10 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 538.146333] nbd: must specify a size in bytes for the device [ 538.188619] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 538.210538] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 11:18:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}]}]}, 0x40}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r8, &(0x7f0000000300)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="18800000", @ANYRES16=r2, @ANYBLOB="000825bd7000fbdbdf250500000004000a00"], 0x18}, 0x1, 0x0, 0x0, 0x15}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000340)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010025bd7000fe00000000000c00050000010000000000000c000300a100000000000000e335754e2677f3ed6af9325389de2b9c4f4897e89dfd51353c813c87"], 0x34}, 0x1, 0x0, 0x0, 0x801}, 0xc0) 11:18:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="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", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) socketpair(0x1f, 0x4, 0x3, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000200)={&(0x7f00000002c0)={0x64, r5, 0x200, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8b0b}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200}]}, 0x64}, 0x1, 0x0, 0x0, 0x20004080}, 0x0) 11:18:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDRV_TIMER_IOCTL_PARAMS(0xffffffffffffffff, 0x40505412, &(0x7f00000002c0)={0x3, 0x3, 0x280, 0x0, 0x6}) sendmsg$ETHTOOL_MSG_TSINFO_GET(r3, 0x0, 0x0) r4 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_REMOTE_MNG(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x2, 0x70bd2d, 0x25dfdbfe, {}, ["", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x20800) r5 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) getpgid(r5) ioprio_set$pid(0x3, r5, 0x2000) 11:18:10 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 538.307430] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 11:18:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pselect6(0x40, &(0x7f0000000480)={0xfa, 0x6, 0x80000000, 0x0, 0x5, 0x5, 0x9, 0x4}, &(0x7f00000004c0)={0x5, 0x101, 0xfff, 0x5, 0x9, 0xfffffffffffffffc, 0xa0b3, 0x7}, &(0x7f0000000500)={0x8000000000000000, 0x80000000, 0x80, 0x3c, 0x8, 0xffff, 0x0, 0x3ff}, &(0x7f0000000540)={0x0, 0x989680}, &(0x7f00000005c0)={&(0x7f0000000580)={[0x100000000]}, 0x8}) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$nl_route(0x10, 0x3, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 538.370923] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 11:18:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 11:18:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) r7 = openat$full(0xffffffffffffff9c, &(0x7f0000000040), 0x20080, 0x0) r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x501080, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xa4, r6, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x16, 0xa, '{\xe6.\'/%[@,).*!\\./\x90\\'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x400}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0xa4}, 0x1, 0x0, 0x0, 0x8000001}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 538.419805] nbd: must specify a size in bytes for the device 11:18:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000300)={0x18, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0xc5}, 0x20000040) [ 538.473261] nbd: must specify a size in bytes for the device 11:18:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDRV_TIMER_IOCTL_PARAMS(0xffffffffffffffff, 0x40505412, &(0x7f00000002c0)={0x3, 0x3, 0x280, 0x0, 0x6}) sendmsg$ETHTOOL_MSG_TSINFO_GET(r3, 0x0, 0x0) r4 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_REMOTE_MNG(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x2, 0x70bd2d, 0x25dfdbfe, {}, ["", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x20800) r5 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) getpgid(r5) ioprio_set$pid(0x3, r5, 0x2000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$SNDRV_TIMER_IOCTL_PARAMS(0xffffffffffffffff, 0x40505412, &(0x7f00000002c0)={0x3, 0x3, 0x280, 0x0, 0x6}) (async) sendmsg$ETHTOOL_MSG_TSINFO_GET(r3, 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) (async) sendmsg$TIPC_CMD_GET_REMOTE_MNG(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x2, 0x70bd2d, 0x25dfdbfe, {}, ["", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x20800) (async) syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) (async) getpgid(r5) (async) ioprio_set$pid(0x3, r5, 0x2000) (async) 11:18:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDRV_TIMER_IOCTL_PARAMS(0xffffffffffffffff, 0x40505412, &(0x7f00000002c0)={0x3, 0x3, 0x280, 0x0, 0x6}) sendmsg$ETHTOOL_MSG_TSINFO_GET(r3, 0x0, 0x0) r4 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_REMOTE_MNG(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x2, 0x70bd2d, 0x25dfdbfe, {}, ["", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x20800) r5 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) getpgid(r5) ioprio_set$pid(0x3, r5, 0x2000) 11:18:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 11:18:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDRV_TIMER_IOCTL_PARAMS(0xffffffffffffffff, 0x40505412, &(0x7f00000002c0)={0x3, 0x3, 0x280, 0x0, 0x6}) sendmsg$ETHTOOL_MSG_TSINFO_GET(r3, 0x0, 0x0) r4 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_REMOTE_MNG(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x2, 0x70bd2d, 0x25dfdbfe, {}, ["", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x20800) r5 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) getpgid(r5) ioprio_set$pid(0x3, r5, 0x2000) 11:18:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}]}]}, 0x40}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r8, &(0x7f0000000300)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="18800000", @ANYRES16=r2, @ANYBLOB="000825bd7000fbdbdf250500000004000a00"], 0x18}, 0x1, 0x0, 0x0, 0x15}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000340)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010025bd7000fe00000000000c00050000010000000000000c000300a100000000000000e335754e2677f3ed6af9325389de2b9c4f4897e89dfd51353c813c87"], 0x34}, 0x1, 0x0, 0x0, 0x801}, 0xc0) 11:18:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 11:18:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) r7 = openat$full(0xffffffffffffff9c, &(0x7f0000000040), 0x20080, 0x0) r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x501080, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xa4, r6, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x16, 0xa, '{\xe6.\'/%[@,).*!\\./\x90\\'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x400}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0xa4}, 0x1, 0x0, 0x0, 0x8000001}, 0x20000000) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 538.717578] nbd: must specify a size in bytes for the device [ 538.730980] nbd: must specify a size in bytes for the device 11:18:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) r7 = openat$full(0xffffffffffffff9c, &(0x7f0000000040), 0x20080, 0x0) r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x501080, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xa4, r6, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x16, 0xa, '{\xe6.\'/%[@,).*!\\./\x90\\'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x400}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0xa4}, 0x1, 0x0, 0x0, 0x8000001}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDRV_TIMER_IOCTL_PARAMS(0xffffffffffffffff, 0x40505412, &(0x7f00000002c0)={0x3, 0x3, 0x280, 0x0, 0x6}) sendmsg$ETHTOOL_MSG_TSINFO_GET(r3, 0x0, 0x0) r4 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_REMOTE_MNG(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x2, 0x70bd2d, 0x25dfdbfe, {}, ["", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x20800) r5 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) getpgid(r5) ioprio_set$pid(0x3, r5, 0x2000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$SNDRV_TIMER_IOCTL_PARAMS(0xffffffffffffffff, 0x40505412, &(0x7f00000002c0)={0x3, 0x3, 0x280, 0x0, 0x6}) (async) sendmsg$ETHTOOL_MSG_TSINFO_GET(r3, 0x0, 0x0) (async) syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) (async) sendmsg$TIPC_CMD_GET_REMOTE_MNG(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x2, 0x70bd2d, 0x25dfdbfe, {}, ["", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x20800) (async) syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) (async) getpgid(r5) (async) ioprio_set$pid(0x3, r5, 0x2000) (async) 11:18:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDRV_TIMER_IOCTL_PARAMS(0xffffffffffffffff, 0x40505412, &(0x7f00000002c0)={0x3, 0x3, 0x280, 0x0, 0x6}) sendmsg$ETHTOOL_MSG_TSINFO_GET(r3, 0x0, 0x0) r4 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_REMOTE_MNG(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x2, 0x70bd2d, 0x25dfdbfe, {}, ["", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x20800) r5 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) getpgid(r5) ioprio_set$pid(0x3, r5, 0x2000) 11:18:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 538.898453] nbd: must specify a size in bytes for the device [ 538.912163] nbd: must specify a size in bytes for the device 11:18:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}]}]}, 0x40}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r8, &(0x7f0000000300)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="18800000", @ANYRES16=r2, @ANYBLOB="000825bd7000fbdbdf250500000004000a00"], 0x18}, 0x1, 0x0, 0x0, 0x15}, 0x0) 11:18:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x20000040}, 0x40000) 11:18:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDRV_TIMER_IOCTL_PARAMS(0xffffffffffffffff, 0x40505412, &(0x7f00000002c0)={0x3, 0x3, 0x280, 0x0, 0x6}) sendmsg$ETHTOOL_MSG_TSINFO_GET(r3, 0x0, 0x0) r4 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_REMOTE_MNG(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x2, 0x70bd2d, 0x25dfdbfe, {}, ["", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x20800) r5 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) getpgid(r5) ioprio_set$pid(0x3, r5, 0x2000) 11:18:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) r7 = openat$full(0xffffffffffffff9c, &(0x7f0000000040), 0x20080, 0x0) (async) r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x501080, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xa4, r6, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x16, 0xa, '{\xe6.\'/%[@,).*!\\./\x90\\'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x400}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0xa4}, 0x1, 0x0, 0x0, 0x8000001}, 0x20000000) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (rerun: 64) [ 539.037596] nbd: must specify a size in bytes for the device [ 539.045158] nbd: must specify a size in bytes for the device 11:18:11 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$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0) 11:18:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}]}]}, 0x40}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 539.131769] nbd: must specify a size in bytes for the device [ 539.141904] nbd: must specify a size in bytes for the device 11:18:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x20000040}, 0x40000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x20000040}, 0x40000) (async) [ 539.194182] nbd: must specify a size in bytes for the device 11:18:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDRV_TIMER_IOCTL_PARAMS(0xffffffffffffffff, 0x40505412, &(0x7f00000002c0)={0x3, 0x3, 0x280, 0x0, 0x6}) sendmsg$ETHTOOL_MSG_TSINFO_GET(r3, 0x0, 0x0) r4 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_REMOTE_MNG(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x2, 0x70bd2d, 0x25dfdbfe, {}, ["", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x20800) r5 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ioprio_set$pid(0x3, r5, 0x2000) [ 539.235721] nbd: must specify a size in bytes for the device [ 539.257008] nbd: must specify a size in bytes for the device [ 539.289294] nbd: must specify a size in bytes for the device [ 539.310716] nbd: must specify a size in bytes for the device [ 539.318422] nbd: must specify a size in bytes for the device [ 539.326252] nbd: must specify a size in bytes for the device 11:18:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) [ 539.340774] nbd: must specify a size in bytes for the device [ 539.365623] nbd: must specify a size in bytes for the device [ 539.371908] nbd: must specify a size in bytes for the device 11:18:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDRV_TIMER_IOCTL_PARAMS(0xffffffffffffffff, 0x40505412, &(0x7f00000002c0)={0x3, 0x3, 0x280, 0x0, 0x6}) sendmsg$ETHTOOL_MSG_TSINFO_GET(r3, 0x0, 0x0) r4 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_REMOTE_MNG(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x2, 0x70bd2d, 0x25dfdbfe, {}, ["", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x20800) ioprio_set$pid(0x3, 0x0, 0x2000) 11:18:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x20000040}, 0x40000) [ 539.396718] nbd: must specify a size in bytes for the device 11:18:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}]}]}, 0x40}}, 0x0) [ 539.455685] nbd: must specify a size in bytes for the device [ 539.465416] nbd: must specify a size in bytes for the device 11:18:11 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="0500000000e6d2b651d21e92c1547fc0582c"], 0x18}}, 0x50) [ 539.509955] nbd: must specify a size in bytes for the device [ 539.531395] nbd: must specify a size in bytes for the device [ 539.553928] nbd: must specify a size in bytes for the device [ 539.570536] nbd: must specify a size in bytes for the device [ 539.589131] nbd: must specify a size in bytes for the device [ 539.599003] nbd: must specify a size in bytes for the device [ 539.655114] nbd: must specify a size in bytes for the device [ 539.672265] nbd: must specify a size in bytes for the device [ 539.679197] nbd: must specify a size in bytes for the device [ 539.686080] nbd: must specify a size in bytes for the device [ 539.691987] nbd: must specify a size in bytes for the device [ 539.701696] nbd: must specify a size in bytes for the device [ 539.708662] nbd: must specify a size in bytes for the device [ 539.722072] nbd: must specify a size in bytes for the device [ 539.743045] nbd: must specify a size in bytes for the device [ 539.775491] nbd: must specify a size in bytes for the device [ 539.792824] nbd: must specify a size in bytes for the device [ 539.799580] nbd: must specify a size in bytes for the device [ 539.808022] nbd: must specify a size in bytes for the device [ 539.813985] nbd: must specify a size in bytes for the device [ 539.819893] nbd: must specify a size in bytes for the device [ 539.826107] nbd: must specify a size in bytes for the device [ 539.832104] nbd: must specify a size in bytes for the device [ 539.838087] nbd: must specify a size in bytes for the device [ 539.844154] nbd: must specify a size in bytes for the device [ 539.850019] nbd: must specify a size in bytes for the device [ 539.856018] nbd: must specify a size in bytes for the device [ 539.861898] nbd: must specify a size in bytes for the device [ 539.867846] nbd: must specify a size in bytes for the device [ 539.873963] nbd: must specify a size in bytes for the device [ 539.879840] nbd: must specify a size in bytes for the device [ 539.885818] nbd: must specify a size in bytes for the device [ 539.891682] nbd: must specify a size in bytes for the device [ 539.897612] nbd: must specify a size in bytes for the device [ 539.903594] nbd: must specify a size in bytes for the device [ 539.910492] nbd: must specify a size in bytes for the device [ 539.916437] nbd: must specify a size in bytes for the device 11:18:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getitimer(0x0, &(0x7f0000000040)) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:11 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$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:11 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}]}]}, 0x40}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 11:18:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDRV_TIMER_IOCTL_PARAMS(0xffffffffffffffff, 0x40505412, &(0x7f00000002c0)={0x3, 0x3, 0x280, 0x0, 0x6}) sendmsg$ETHTOOL_MSG_TSINFO_GET(r3, 0x0, 0x0) r4 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_REMOTE_MNG(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x2, 0x70bd2d, 0x25dfdbfe, {}, ["", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x20800) ioprio_set$pid(0x3, 0x0, 0x2000) 11:18:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="0500000000e6d2b651d21e92c1547fc0582c"], 0x18}}, 0x50) 11:18:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}]}]}, 0x40}}, 0x0) [ 539.922310] nbd: must specify a size in bytes for the device [ 539.928293] nbd: must specify a size in bytes for the device [ 539.934270] nbd: must specify a size in bytes for the device [ 539.940146] nbd: must specify a size in bytes for the device [ 539.946101] nbd: must specify a size in bytes for the device [ 539.952151] nbd: must specify a size in bytes for the device [ 539.958130] nbd: must specify a size in bytes for the device [ 539.964122] nbd: must specify a size in bytes for the device 11:18:11 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$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, 0x0}, 0x0) 11:18:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDRV_TIMER_IOCTL_PARAMS(0xffffffffffffffff, 0x40505412, &(0x7f00000002c0)={0x3, 0x3, 0x280, 0x0, 0x6}) sendmsg$ETHTOOL_MSG_TSINFO_GET(r3, 0x0, 0x0) r4 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_REMOTE_MNG(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x2, 0x70bd2d, 0x25dfdbfe, {}, ["", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x20800) ioprio_set$pid(0x3, 0x0, 0x2000) 11:18:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="0500000000e6d2b651d21e92c1547fc0582c"], 0x18}}, 0x50) [ 540.029480] nbd: must specify a size in bytes for the device [ 540.049065] nbd: must specify a size in bytes for the device [ 540.060570] nbd: must specify a size in bytes for the device [ 540.068443] nbd: must specify a size in bytes for the device 11:18:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) getitimer(0x0, &(0x7f0000000040)) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:12 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}]}]}, 0x40}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 11:18:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x14, r2, 0x100, 0x1}, 0x14}}, 0x20000000) 11:18:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, 0x0}, 0x0) 11:18:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getitimer(0x0, &(0x7f0000000040)) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x14, r2, 0x100, 0x1}, 0x14}}, 0x20000000) [ 540.234378] nbd: must specify a size in bytes for the device [ 540.251057] nbd: must specify a size in bytes for the device 11:18:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDRV_TIMER_IOCTL_PARAMS(0xffffffffffffffff, 0x40505412, &(0x7f00000002c0)={0x3, 0x3, 0x280, 0x0, 0x6}) sendmsg$ETHTOOL_MSG_TSINFO_GET(r3, 0x0, 0x0) syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) r4 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ioprio_set$pid(0x3, r4, 0x2000) 11:18:12 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$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, 0x0}, 0x0) [ 540.336658] nbd: must specify a size in bytes for the device 11:18:12 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}]}]}, 0x40}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 11:18:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x14, r2, 0x100, 0x1}, 0x14}}, 0x20000000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x14, r2, 0x100, 0x1}, 0x14}}, 0x20000000) (async) 11:18:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 540.426680] nbd: must specify a size in bytes for the device 11:18:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDRV_TIMER_IOCTL_PARAMS(0xffffffffffffffff, 0x40505412, &(0x7f00000002c0)={0x3, 0x3, 0x280, 0x0, 0x6}) sendmsg$ETHTOOL_MSG_TSINFO_GET(r3, 0x0, 0x0) r4 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ioprio_set$pid(0x3, r4, 0x2000) 11:18:12 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$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000100)={0x0}}, 0x0) [ 540.468905] nbd: must specify a size in bytes for the device 11:18:12 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0xac, r2, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x125}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}]}, 0xac}, 0x1, 0x0, 0x0, 0x4000}, 0x4000000) 11:18:12 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$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000100)={0x0}}, 0x0) [ 540.584064] nbd: must specify a size in bytes for the device [ 540.603897] nbd: must specify a size in bytes for the device 11:18:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDRV_TIMER_IOCTL_PARAMS(0xffffffffffffffff, 0x40505412, &(0x7f00000002c0)={0x3, 0x3, 0x280, 0x0, 0x6}) r3 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ioprio_set$pid(0x3, r3, 0x2000) 11:18:12 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}]}]}, 0x40}}, 0x0) 11:18:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0xac, r2, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x125}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}]}, 0xac}, 0x1, 0x0, 0x0, 0x4000}, 0x4000000) (rerun: 32) [ 540.678527] nbd: must specify a size in bytes for the device 11:18:12 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$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000100)={0x0}}, 0x0) 11:18:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 540.737160] nbd: must specify a size in bytes for the device [ 540.770206] nbd: must specify a size in bytes for the device [ 540.777504] nbd: must specify a size in bytes for the device 11:18:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ioprio_set$pid(0x3, r3, 0x2000) [ 540.801407] nbd: must specify a size in bytes for the device 11:18:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}]}]}, 0x40}}, 0x0) 11:18:12 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$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$full(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) socketpair(0x6, 0xa, 0x9, &(0x7f0000000040)={0xffffffffffffffff}) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) r8 = bpf$ITER_CREATE(0x21, &(0x7f0000000140), 0x8) r9 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r9) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000080)={0x50, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{0x0, 0x1, r7}, {0x0, 0x1, r9}, {0x0, 0x1, r4}, {0x0, 0x1, r3}, {0x0, 0x1, r8}, {0x0, 0x1, r6}]}]}, 0x18}}, 0x4000001) 11:18:12 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0xac, r2, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x125}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}]}, 0xac}, 0x1, 0x0, 0x0, 0x4000}, 0x4000000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) (async) bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0xac, r2, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x125}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}]}, 0xac}, 0x1, 0x0, 0x0, 0x4000}, 0x4000000) (async) 11:18:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}]}, 0x40}}, 0x0) [ 540.939328] nbd: must specify a size in bytes for the device [ 540.948044] nbd: must specify a size in bytes for the device 11:18:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ioprio_set$pid(0x3, r3, 0x2000) 11:18:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$full(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) socketpair(0x6, 0xa, 0x9, &(0x7f0000000040)={0xffffffffffffffff}) (async) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) (async) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) r8 = bpf$ITER_CREATE(0x21, &(0x7f0000000140), 0x8) (async) r9 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r9) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000080)={0x50, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{0x0, 0x1, r7}, {0x0, 0x1, r9}, {0x0, 0x1, r4}, {0x0, 0x1, r3}, {0x0, 0x1, r8}, {0x0, 0x1, r6}]}]}, 0x18}}, 0x4000001) 11:18:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}]}, 0x40}}, 0x0) [ 541.069095] nbd: must specify a size in bytes for the device [ 541.084020] nbd: must specify a size in bytes for the device [ 541.092713] nbd: must specify a size in bytes for the device 11:18:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x20, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x20}}, 0x0) 11:18:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ioprio_set$pid(0x3, r1, 0x2000) [ 541.160162] nbd: must specify a size in bytes for the device 11:18:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:13 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ioprio_set$pid(0x3, r0, 0x2000) [ 541.258230] nbd: must specify a size in bytes for the device [ 541.283910] nbd: must specify at least one socket 11:18:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x20, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x20}}, 0x0) 11:18:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$full(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) socketpair(0x6, 0xa, 0x9, &(0x7f0000000040)={0xffffffffffffffff}) (async) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) (async) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r6) (async) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) r8 = bpf$ITER_CREATE(0x21, &(0x7f0000000140), 0x8) r9 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r9) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000080)={0x50, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{0x0, 0x1, r7}, {0x0, 0x1, r9}, {0x0, 0x1, r4}, {0x0, 0x1, r3}, {0x0, 0x1, r8}, {0x0, 0x1, r6}]}]}, 0x18}}, 0x4000001) 11:18:13 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}]}, 0x40}}, 0x0) [ 541.322120] nbd: must specify a size in bytes for the device 11:18:13 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ioprio_set$pid(0x3, r0, 0x2000) 11:18:13 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:13 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) [ 541.468955] nbd: must specify a size in bytes for the device 11:18:13 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$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) bpf$PROG_LOAD(0x5, &(0x7f0000001500)={0xb, 0x3, &(0x7f0000001400)=@raw=[@map_idx={0x18, 0x8, 0x5, 0x0, 0x2}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x5}], &(0x7f0000001440)='syzkaller\x00', 0x7, 0x0, 0x0, 0x41100, 0x15, '\x00', 0x0, 0x29, 0xffffffffffffffff, 0x8, &(0x7f0000001480)={0x9, 0x1}, 0x8, 0x10, &(0x7f00000014c0)={0x5, 0xf, 0xac, 0x6}, 0x10}, 0x80) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r7 = bpf$ITER_CREATE(0x21, &(0x7f0000000080), 0x8) socketpair(0x10, 0x80000, 0x45, &(0x7f00000000c0)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000013c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000140)={&(0x7f0000001580)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010029bd7000ffdbdf25050000000c000400fb000000000000000c00080003000000000000003c00078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r8, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="000000843de8d1242d131fe9852b545fe374520e7f668634145bba94bb5cc0ca8a54425d2d2d486aae9e1e6bb286ba2282fbfb67ecb9f633874cee8eb89bc84658eff3fe202badfa16ee5e309f88c9e3737bf56c51", @ANYRES32=r9, @ANYBLOB], 0x68}, 0x1, 0x0, 0x0, 0x8004}, 0x8891) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYRES8=r10, @ANYBLOB="76b0c05024fccd449ceb1709bbd4e7bf0fd2340ee5318979ce7014d2365144ee50b2123843226dc1f2a0e053e011ba88df477a52f5340417a2fb32f793a9764d09b0c812d9b84bfc4cfba53d0ebf9ceb04000e1b0879c01151a3bc92f4f1f08ec0f3d4ebff18aa391a2e16eb554c3ebe04590523e8cb0781ccff3760587030ba635aae593008b68e2cbf0d17e3912be74da7f7760b43801f52ded815879952d24f00b5b8ba86e9006a687f787c37db5cb8314082c3d3102544adfe37c4c7e9fa9e74", @ANYBLOB="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"], 0x18}, 0x1, 0x0, 0x0, 0x800}, 0x0) 11:18:13 executing program 4: r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ioprio_set$pid(0x3, r0, 0x2000) 11:18:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x20, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x20}}, 0x0) (rerun: 32) [ 541.584478] nbd: must specify a size in bytes for the device [ 541.612512] nbd: must specify a size in bytes for the device 11:18:13 executing program 4: r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ioprio_set$pid(0x0, r0, 0x2000) 11:18:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}]}, 0x40}}, 0x0) 11:18:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) bpf$PROG_LOAD(0x5, &(0x7f0000001500)={0xb, 0x3, &(0x7f0000001400)=@raw=[@map_idx={0x18, 0x8, 0x5, 0x0, 0x2}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x5}], &(0x7f0000001440)='syzkaller\x00', 0x7, 0x0, 0x0, 0x41100, 0x15, '\x00', 0x0, 0x29, 0xffffffffffffffff, 0x8, &(0x7f0000001480)={0x9, 0x1}, 0x8, 0x10, &(0x7f00000014c0)={0x5, 0xf, 0xac, 0x6}, 0x10}, 0x80) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r7 = bpf$ITER_CREATE(0x21, &(0x7f0000000080), 0x8) (async) socketpair(0x10, 0x80000, 0x45, &(0x7f00000000c0)={0xffffffffffffffff}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000013c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000140)={&(0x7f0000001580)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010029bd7000ffdbdf25050000000c000400fb000000000000000c00080003000000000000003c00078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r8, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="000000843de8d1242d131fe9852b545fe374520e7f668634145bba94bb5cc0ca8a54425d2d2d486aae9e1e6bb286ba2282fbfb67ecb9f633874cee8eb89bc84658eff3fe202badfa16ee5e309f88c9e3737bf56c51", @ANYRES32=r9, @ANYBLOB], 0x68}, 0x1, 0x0, 0x0, 0x8004}, 0x8891) (async) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYRES8=r10, @ANYBLOB="76b0c05024fccd449ceb1709bbd4e7bf0fd2340ee5318979ce7014d2365144ee50b2123843226dc1f2a0e053e011ba88df477a52f5340417a2fb32f793a9764d09b0c812d9b84bfc4cfba53d0ebf9ceb04000e1b0879c01151a3bc92f4f1f08ec0f3d4ebff18aa391a2e16eb554c3ebe04590523e8cb0781ccff3760587030ba635aae593008b68e2cbf0d17e3912be74da7f7760b43801f52ded815879952d24f00b5b8ba86e9006a687f787c37db5cb8314082c3d3102544adfe37c4c7e9fa9e74", @ANYBLOB="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"], 0x18}, 0x1, 0x0, 0x0, 0x800}, 0x0) 11:18:13 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) 11:18:13 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$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, r2, 0xfa35a9d4bb5d9177, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x46}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffec1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\''}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8000}, 0x4040) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0500fdffff02000000000100000004000780"], 0x18}}, 0x0) 11:18:13 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$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x34, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x34}}, 0x0) 11:18:13 executing program 4: r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ioprio_set$pid(0x0, r0, 0x2000) 11:18:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}]}, 0x40}}, 0x0) [ 541.824083] nbd: must specify a size in bytes for the device 11:18:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:18:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) 11:18:13 executing program 4: r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ioprio_set$pid(0x0, r0, 0x2000) 11:18:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) bpf$PROG_LOAD(0x5, &(0x7f0000001500)={0xb, 0x3, &(0x7f0000001400)=@raw=[@map_idx={0x18, 0x8, 0x5, 0x0, 0x2}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x5}], &(0x7f0000001440)='syzkaller\x00', 0x7, 0x0, 0x0, 0x41100, 0x15, '\x00', 0x0, 0x29, 0xffffffffffffffff, 0x8, &(0x7f0000001480)={0x9, 0x1}, 0x8, 0x10, &(0x7f00000014c0)={0x5, 0xf, 0xac, 0x6}, 0x10}, 0x80) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r7 = bpf$ITER_CREATE(0x21, &(0x7f0000000080), 0x8) socketpair(0x10, 0x80000, 0x45, &(0x7f00000000c0)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000013c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000140)={&(0x7f0000001580)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010029bd7000ffdbdf25050000000c000400fb000000000000000c00080003000000000000003c00078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r8, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="000000843de8d1242d131fe9852b545fe374520e7f668634145bba94bb5cc0ca8a54425d2d2d486aae9e1e6bb286ba2282fbfb67ecb9f633874cee8eb89bc84658eff3fe202badfa16ee5e309f88c9e3737bf56c51", @ANYRES32=r9, @ANYBLOB], 0x68}, 0x1, 0x0, 0x0, 0x8004}, 0x8891) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYRES8=r10, @ANYBLOB="76b0c05024fccd449ceb1709bbd4e7bf0fd2340ee5318979ce7014d2365144ee50b2123843226dc1f2a0e053e011ba88df477a52f5340417a2fb32f793a9764d09b0c812d9b84bfc4cfba53d0ebf9ceb04000e1b0879c01151a3bc92f4f1f08ec0f3d4ebff18aa391a2e16eb554c3ebe04590523e8cb0781ccff3760587030ba635aae593008b68e2cbf0d17e3912be74da7f7760b43801f52ded815879952d24f00b5b8ba86e9006a687f787c37db5cb8314082c3d3102544adfe37c4c7e9fa9e74", @ANYBLOB="315036da3e3d52e3a058a0769b30e60fd7bbc4e988d3054666a8e7e3037f1c13794421017408bd9616f5feed53aabe6225a009c971d585d3fb8698b5ca8dc2390efabcff2746cd898e34d9e43f62bafa94d0e5ab7796fb79f2bd79cb42c01755ebe028ba04a5567ee50a1434ddfef5e282d229c4c1340854c835608963c033a7628c21a0fbf477e42915cb904e3ed094b6f274e6025ae7eac6ade6f05a31e797857d5954e09e63d3707326d7e6b329702a4192e0ecb611dd53c4f98fb845d84be167494670e6036b5bd70c1690f21f95cd817baadf8069fa39a567942dfd703b05e70e03c460f61013879eb6417c7d4491e30d431a72819102257d8dae58dc428d1e440ededc70e8fc27b09f7a13a1f0d519eb56a3d7f6c99361a8c573687583fbe6a0f67301a2755a38df3927f1d0cf26b288446f36fa5d7669d510a7db8a06dd78963ece89778106f219412c1897720120d3744a2493c82fcb4398802abc5208b0d85e6b89e79e3584b16bbbd1810a29d7e040643ec08495d16060739b034fe8a6bbf5cb4201078b288ed1b91d238d56bbbc2a56892037f240f85cbc368c778c2dfdb76721adc6c2db3580432d80e84c3e38df3de009cc52e8f05eb3426b5bb0ad0565f111fbbedb8a88c178b2e34d5fdc41b15841f874b196a6e61abea8ec2680e356c3e27775b6f8bb3b2d7eb130da62b144dd07cb91f919ec394dea2ea2cecdcb65b3520a71862f21db1d72a95c6f50b4f36c3b9e8880b59177364bf9c780a0ac0f43364384eefe1cb9f3d1d99fc0692da36e5ab5434008819c5031ad8cb7e5c15b79aa414d9f2e678f69ec5b5a78797a82fb4d4172e297d239b4435dc9c238fb12b29d083420d042dfc86739940dcc99603271cf4e461d67b4ebd8e5fb4f4bd8544821d4d67994beb40a32fd29f0f2702cca5116fc8e24dd585f7b57328712bae4702313ae6ccc2437bf7730214871d8754e629a9f833ca678405b826cc974f83c85945fefd7661dcd5da825ee2dda71c69af966c3f43c14eb81ac5a46d9807c3ca5cf2621897c27f425eb525fde9b67e6b1abcc3d239ce9156c151537ae34b692e341db3c0420f0d3ec775b59e361adb71bc42f5d357fbeda20f5be8bc4b89624d96fa6f95f8dcc216956e0c749fc4b8b90ad307d29559349b7630cdf87cf6df203656bc9cadfbfc319ce753f70c429dccdfa3c43731dbc15e7452fe879bd88595e6c363d9a92364d4d563332e3ae8e9ee9a9669b95c995b5483eea357aaec20d62d5e72a8725568fa6bba70badd890488a427f4a404fa4658f9439dba187303eb641d31defa8650971f6ee59525b87050904ec4379af64a4627cc938d120d044fe3601d02334a7624ac266ac43a9b55d7a4518f5c038c7916860f80d94e9cf3d099b00f2ec820dce09a539b00196abd3c6c507196282d8e32bb263df8cdc53ce075e718f18581d2d42ecfd6175e614f472ec0d2d24f47ea31557d20b07e9c79ec916820be8be41378d04421d670569ee65d2e357900674e6e0124207472d530f6d0722e676e590c0c86994e74139144af9cff764e2b7180cad4870440c3b29dc2ed76bc27395f8d98891a29e392db0f494fcf4b6f32c0a6c98461eb4d38fbdd2d42d2d559ab283898621ddab9ea85131671818273308c2a7c053485ef16f3309f3cb901f79a8df0d52ebefb1551c092c8bf7b4b5b4c1e11a4ccebfb0914e6d39a311380d13bc8e2d0b9b10d7056b8102b5ce8548ee8be9923a2fbeb5f81cfdfd7e4e1c92897fecd2c3668ae9ff0516998f20988f16c9db6c4a61d7c0c3bc7b1bf7d97373e587ba985a5bd4ab506551a231a2fdf5cbbfd15d88c559c6d66d239988d2dce59442c2db4c3b4600e678b0629730da7747fcaac3e3e74b1b9ee4410ebe8bf46dd3b7fb9ad1337121a2af1304ba3a4446835ffafcd5dda0421cf8cbf78cd40bfc84d38a048408a154a6b9f345a15e35a042316f19ce461c6657d0518a643af65444c04d73c3780e67b11e1a4e7f05ab57ab2dfb3aed9301657b0b9a5597d2e1e206f2cbdc763693b8231a4b01032f0f033c35bec65382d4686edd756898c1354e48ea0e2f708001a25f1fec57e209adced7a971d66bf6d08b85c878e4d89cf80c6e451a8f4ee23a6b8e88648840fe995ce22ee57c66fc412b703043ccda623d87377cd34c6338ba2a1c4ac18420e31ced23492c1c142494a5cc20a94fd83273212973211b20ef729c6f8bca9edfa1c79d1d5cd32a3c4548dbeab5b6b9fd9822c6f954cbb3681c984cb249b807d4c5a457efac9b264c3412fdfdf67d1b632cca5d9fa08c3de9d23f152830ed3ee39a0230f10377a05c5714a83d6d58bd5c24691d5f8369fc1e1063846bc1bfb75c4792865bb8a62d85057f5595042e8855a2ec213c3cedc4a3817b439e8f5694258f37c3991fff7924e67a9ff44df779d96ff28399340e4658f5210d951fd209658d78297a5257a6768e34d5311df2c185105f47805a32f8f849a16f33d7fae0fcf0c42c1530ecdae396412bdac1915754d01d1305c13c386756ae9648795ccfc48e17f14818961f1b22e94b788a83659658f130a9b27638b824fb9a114d235f1d5d7a62ac13065c4adea46ab86d8849edfb34501c092e9790c62e48e0004e45da96273890d4c1151540dd5b092d64afe1473989deaa44f68120df62624e98aebe6021951c70fe1503439915834cca7610bf7f9772b3dfc4dba258fa21edcff0ed369bb01a09464ce4692c0269add07d4351b5663e56537860f6262204a809e8c39ae870803739c3a143c3973c6a86e269308bbc9724248482c63a2059e79298d80e1035b4084edc8d745b78dee7a936445be1bce9c8c51a1e84f5e6f44b6b71c630670a747c94208cfaae1c7ace2d92b3ddd3cb1ee00d6210764f644526c2958764d45a48c3878fba3cbe1d74bde1f590f9dd5fdc574806a01cc5486b65e2666e4326c8da1b88e12e89b081638931fbfb166ae8a7c6a2543f844a33f31df6c9488758167e02869594d1f29e7923cd29a8171d5eb46321244dcf6af9a6cab28593fe355cd30ac7581a16c6ab830c9e70e132814b093e8c1f0475df09a04eeaaa17d85d9cf346dd1b09247d42b0d7a7cd880ffd9505e5bcaf697db5de4b22b5a443e8a8a512d97c9fad72f4241882c46c148df887100d742396e159ecc829a8697c6c607cbf0ec480db966e788eb1a4eebd412c6fb91e056cedf1f9c7399d9f067ed7e13c7590f54b209dd98bea22d4c113b251a447624038a2073d4dabd1625221eaa16dea1d5a31498b1543b13c9f9c047ae76d8e570adf85db4a543c46c74682092257b133febe94d4f2f6665d266776ce8aa7220d14812bd0f8e4585d6a2eecc0427f1994a085eb80b025f484754a99669a5dd7bb3aeeeb43683a18d6f391b8bf0866774b833c47371ae384293048dd852fde0e49427f7d16b0d7f9a76bbcce5b942e5e109bd6fda9e098762998d7a64c2979a622dd6ee2376c5d42ff1d8163b0488d69c7fad1ef47d9be0cb0d196ec7c72864f57d0fec08dd55773b03182cc362314f80f2378662ff6dc38939fb929fc03d3309ed2a023349190665da1922558f14678006be9d51af36274091ae357333d2093c808564247bfde34f30b975bfc22d2db8026e17c659e7ab732b3cb82aca738910ea2dcf884ac6e2a44d578aa14af9c76dd349754e053283ce67c0ca264c50c20774e1c428abae642d1cfed98ded9ff23b72da07cdaed73b286ef1d0bbf8b616026f7b1fc3ae5f54bb71afdae6ec0e3215f4af42aaa60dcf8facb838a951fe4bec05123590d7f864966909e8b044d09fa972b71082e9713612ba367d338443bf40165da5b48dcd3b66df2e05ffe62a87c2cb77240d5d6e6811028c599810ffdf08bec48a15a417f89be35659421d9459116afeb1487395963112112b44e812c53842f28ed4539972b233db7918698f7190dbadcc4a07642680d2a2aa222edf72c35afd5678af93e8429ae5ecb00d84ffa0f68b6c9366bd861f8601f24538433e050a3bcc3d55266a3609b3037e3296647568f7e7366fc3a20cf3392b9d68369ba7b4921894da78dc5dcecfae384a13b9d15c26eba1c15a5081793e3a0ea83206263f0cfa7b928994414d81108ad2c767fba58403c117d9732eb531e7795dc4f3a2b3fcfd074ff9d22c0414e8cadedd118bc7ee6f84b04e6e46fcd066d15ab70160e1956410112f071cc598f2715b85dcf9587505b0b6dd1582bb78c46f95c3a63b61aa2b5a810efbc75a1e185a1e7874873c7347fbc3dc5a9b90612ebc3ffe78fd4962d01c55f3200ceceef6d487ce03def5b2cd2cedeb0c1c3fbe304ba003f19f77c9d1431feb941858f8edaebaf57be27079f1c404905ee56bf9ada3e8728a6ca0e29439f8dde88927b2d5647687c4304c80aecb9b28bf9431ac52c3bb659051af6b2b205f76397c16258ebab1dfb6925651e3c7cb01c97e0bf442e20a43504a56c05b57afb499913aeeedfc2bd5fa188456c354534e0cbf8df5bbdafe5be85219650c4e880a8dc0863fe332731522c6ec394b0239d3b849fcce3b352ba0d4966d8c070b33247b8b35d66e54615ce2843ae95312f75c47661e9654fb2771884c646838b4101b988732866fb06dc7e9aadab454c168409e988f82c76a486a6479a972141ff42862b3958921738ccfa7fba469f5b99d9c05ea336a128b18471e1a2c9b675aea2941db4a35ae266637d6cd069bc73ea1780c96a4b280fe9e8a0e2ab70a8fa5ebfd3c324bc54bcb384183e56b622b07cf8f1f0a9a4307bd874bc01722db6502551ddaf37fbab4cc532cf67c0f6ba5329475f70c2ec047ad9a24a3119fbcca935bb3545453e8b4406709e446d5c363b21525c42f933d24263f69eaf4545084188acd7406728173ee7162d14149f0ab7c123a1780f9b1cd5b690ecce75904ce258b16218719aaf68558e57230bd493dd86583b5e4b96fd50686777321813554f59c8b9d84f72f2127c29f6d3dc06839509d834a4dc91a0fcd75516a9d97d7bb94cb4a7c92bd785da63769f62c5808f6d45e526f6f940c6a8c2a9e308981187a06d894a8cb7335db7e10f530669f325c2e280fbc0d540ea543ea1c63387731f6483d9d4f56b4bd0caf7713113aadfef643723688dca36a718bc9b13edd583b7e80faff8c0bf991279f8b8b1ab5c9fff852ed612a0aa1aff664d054cc6e35d0aeb51e389e40051c6ef2a30617238b8170df33baa8c05e019cacb2e176952969fd5c9ffdbefbd268a1aabe039a2784f31c2f313a61b5a2d5552f5411c470bc6510fae24bb62da6786c8f2b2f9123393ccc892744843d8b5c8d00c8a92fd8f108a0ed8d0f14f0c3a75c00dc709ff7784489b833993b2b8aa30a2f83aae176a2dcb6c16b2b43c08dac4c72e2a82846c6e2e9f56873846960f8bd89471bf053b86f0429f8c9dd95460250dbd91d226b62d42b61531ffac761c82102efa93194dec7f66c39c096ee83b3cf130bc3b74dfccc035e98dc35cee97c175519db8cbaacb20efa6be4fa2e65c4ee0e5b61acd3374de50c1d00d9cf661c2c4fd699a54751314ad27c3f3c74404fc66caca711c309fd0f503d2adf3302860b0d8ca120ce2e0b276cdc6fece49599ccc4ee46d6d1f75471ccdbaf08494eea2628e68e2accf2f9f5713d1c2dd1706791a85c4a8dc3ec5197b560e957e4fdee1606b3de3120d003c0284c8ba8e8264facf40abcfff59c64cab603512eb83df7dd9b6ac774e457fc6d0475b7afadbcfe917b9254fc2b674e58c90b72a"], 0x18}, 0x1, 0x0, 0x0, 0x800}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) bpf$PROG_LOAD(0x5, &(0x7f0000001500)={0xb, 0x3, &(0x7f0000001400)=@raw=[@map_idx={0x18, 0x8, 0x5, 0x0, 0x2}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x5}], &(0x7f0000001440)='syzkaller\x00', 0x7, 0x0, 0x0, 0x41100, 0x15, '\x00', 0x0, 0x29, 0xffffffffffffffff, 0x8, &(0x7f0000001480)={0x9, 0x1}, 0x8, 0x10, &(0x7f00000014c0)={0x5, 0xf, 0xac, 0x6}, 0x10}, 0x80) (async) syz_init_net_socket$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) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) bpf$ITER_CREATE(0x21, &(0x7f0000000080), 0x8) (async) socketpair(0x10, 0x80000, 0x45, &(0x7f00000000c0)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000013c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000140)={&(0x7f0000001580)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010029bd7000ffdbdf25050000000c000400fb000000000000000c00080003000000000000003c00078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r8, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="000000843de8d1242d131fe9852b545fe374520e7f668634145bba94bb5cc0ca8a54425d2d2d486aae9e1e6bb286ba2282fbfb67ecb9f633874cee8eb89bc84658eff3fe202badfa16ee5e309f88c9e3737bf56c51", @ANYRES32=r9, @ANYBLOB], 0x68}, 0x1, 0x0, 0x0, 0x8004}, 0x8891) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYRES8=r10, @ANYBLOB="76b0c05024fccd449ceb1709bbd4e7bf0fd2340ee5318979ce7014d2365144ee50b2123843226dc1f2a0e053e011ba88df477a52f5340417a2fb32f793a9764d09b0c812d9b84bfc4cfba53d0ebf9ceb04000e1b0879c01151a3bc92f4f1f08ec0f3d4ebff18aa391a2e16eb554c3ebe04590523e8cb0781ccff3760587030ba635aae593008b68e2cbf0d17e3912be74da7f7760b43801f52ded815879952d24f00b5b8ba86e9006a687f787c37db5cb8314082c3d3102544adfe37c4c7e9fa9e74", @ANYBLOB="315036da3e3d52e3a058a0769b30e60fd7bbc4e988d3054666a8e7e3037f1c13794421017408bd9616f5feed53aabe6225a009c971d585d3fb8698b5ca8dc2390efabcff2746cd898e34d9e43f62bafa94d0e5ab7796fb79f2bd79cb42c01755ebe028ba04a5567ee50a1434ddfef5e282d229c4c1340854c835608963c033a7628c21a0fbf477e42915cb904e3ed094b6f274e6025ae7eac6ade6f05a31e797857d5954e09e63d3707326d7e6b329702a4192e0ecb611dd53c4f98fb845d84be167494670e6036b5bd70c1690f21f95cd817baadf8069fa39a567942dfd703b05e70e03c460f61013879eb6417c7d4491e30d431a72819102257d8dae58dc428d1e440ededc70e8fc27b09f7a13a1f0d519eb56a3d7f6c99361a8c573687583fbe6a0f67301a2755a38df3927f1d0cf26b288446f36fa5d7669d510a7db8a06dd78963ece89778106f219412c1897720120d3744a2493c82fcb4398802abc5208b0d85e6b89e79e3584b16bbbd1810a29d7e040643ec08495d16060739b034fe8a6bbf5cb4201078b288ed1b91d238d56bbbc2a56892037f240f85cbc368c778c2dfdb76721adc6c2db3580432d80e84c3e38df3de009cc52e8f05eb3426b5bb0ad0565f111fbbedb8a88c178b2e34d5fdc41b15841f874b196a6e61abea8ec2680e356c3e27775b6f8bb3b2d7eb130da62b144dd07cb91f919ec394dea2ea2cecdcb65b3520a71862f21db1d72a95c6f50b4f36c3b9e8880b59177364bf9c780a0ac0f43364384eefe1cb9f3d1d99fc0692da36e5ab5434008819c5031ad8cb7e5c15b79aa414d9f2e678f69ec5b5a78797a82fb4d4172e297d239b4435dc9c238fb12b29d083420d042dfc86739940dcc99603271cf4e461d67b4ebd8e5fb4f4bd8544821d4d67994beb40a32fd29f0f2702cca5116fc8e24dd585f7b57328712bae4702313ae6ccc2437bf7730214871d8754e629a9f833ca678405b826cc974f83c85945fefd7661dcd5da825ee2dda71c69af966c3f43c14eb81ac5a46d9807c3ca5cf2621897c27f425eb525fde9b67e6b1abcc3d239ce9156c151537ae34b692e341db3c0420f0d3ec775b59e361adb71bc42f5d357fbeda20f5be8bc4b89624d96fa6f95f8dcc216956e0c749fc4b8b90ad307d29559349b7630cdf87cf6df203656bc9cadfbfc319ce753f70c429dccdfa3c43731dbc15e7452fe879bd88595e6c363d9a92364d4d563332e3ae8e9ee9a9669b95c995b5483eea357aaec20d62d5e72a8725568fa6bba70badd890488a427f4a404fa4658f9439dba187303eb641d31defa8650971f6ee59525b87050904ec4379af64a4627cc938d120d044fe3601d02334a7624ac266ac43a9b55d7a4518f5c038c7916860f80d94e9cf3d099b00f2ec820dce09a539b00196abd3c6c507196282d8e32bb263df8cdc53ce075e718f18581d2d42ecfd6175e614f472ec0d2d24f47ea31557d20b07e9c79ec916820be8be41378d04421d670569ee65d2e357900674e6e0124207472d530f6d0722e676e590c0c86994e74139144af9cff764e2b7180cad4870440c3b29dc2ed76bc27395f8d98891a29e392db0f494fcf4b6f32c0a6c98461eb4d38fbdd2d42d2d559ab283898621ddab9ea85131671818273308c2a7c053485ef16f3309f3cb901f79a8df0d52ebefb1551c092c8bf7b4b5b4c1e11a4ccebfb0914e6d39a311380d13bc8e2d0b9b10d7056b8102b5ce8548ee8be9923a2fbeb5f81cfdfd7e4e1c92897fecd2c3668ae9ff0516998f20988f16c9db6c4a61d7c0c3bc7b1bf7d97373e587ba985a5bd4ab506551a231a2fdf5cbbfd15d88c559c6d66d239988d2dce59442c2db4c3b4600e678b0629730da7747fcaac3e3e74b1b9ee4410ebe8bf46dd3b7fb9ad1337121a2af1304ba3a4446835ffafcd5dda0421cf8cbf78cd40bfc84d38a048408a154a6b9f345a15e35a042316f19ce461c6657d0518a643af65444c04d73c3780e67b11e1a4e7f05ab57ab2dfb3aed9301657b0b9a5597d2e1e206f2cbdc763693b8231a4b01032f0f033c35bec65382d4686edd756898c1354e48ea0e2f708001a25f1fec57e209adced7a971d66bf6d08b85c878e4d89cf80c6e451a8f4ee23a6b8e88648840fe995ce22ee57c66fc412b703043ccda623d87377cd34c6338ba2a1c4ac18420e31ced23492c1c142494a5cc20a94fd83273212973211b20ef729c6f8bca9edfa1c79d1d5cd32a3c4548dbeab5b6b9fd9822c6f954cbb3681c984cb249b807d4c5a457efac9b264c3412fdfdf67d1b632cca5d9fa08c3de9d23f152830ed3ee39a0230f10377a05c5714a83d6d58bd5c24691d5f8369fc1e1063846bc1bfb75c4792865bb8a62d85057f5595042e8855a2ec213c3cedc4a3817b439e8f5694258f37c3991fff7924e67a9ff44df779d96ff28399340e4658f5210d951fd209658d78297a5257a6768e34d5311df2c185105f47805a32f8f849a16f33d7fae0fcf0c42c1530ecdae396412bdac1915754d01d1305c13c386756ae9648795ccfc48e17f14818961f1b22e94b788a83659658f130a9b27638b824fb9a114d235f1d5d7a62ac13065c4adea46ab86d8849edfb34501c092e9790c62e48e0004e45da96273890d4c1151540dd5b092d64afe1473989deaa44f68120df62624e98aebe6021951c70fe1503439915834cca7610bf7f9772b3dfc4dba258fa21edcff0ed369bb01a09464ce4692c0269add07d4351b5663e56537860f6262204a809e8c39ae870803739c3a143c3973c6a86e269308bbc9724248482c63a2059e79298d80e1035b4084edc8d745b78dee7a936445be1bce9c8c51a1e84f5e6f44b6b71c630670a747c94208cfaae1c7ace2d92b3ddd3cb1ee00d6210764f644526c2958764d45a48c3878fba3cbe1d74bde1f590f9dd5fdc574806a01cc5486b65e2666e4326c8da1b88e12e89b081638931fbfb166ae8a7c6a2543f844a33f31df6c9488758167e02869594d1f29e7923cd29a8171d5eb46321244dcf6af9a6cab28593fe355cd30ac7581a16c6ab830c9e70e132814b093e8c1f0475df09a04eeaaa17d85d9cf346dd1b09247d42b0d7a7cd880ffd9505e5bcaf697db5de4b22b5a443e8a8a512d97c9fad72f4241882c46c148df887100d742396e159ecc829a8697c6c607cbf0ec480db966e788eb1a4eebd412c6fb91e056cedf1f9c7399d9f067ed7e13c7590f54b209dd98bea22d4c113b251a447624038a2073d4dabd1625221eaa16dea1d5a31498b1543b13c9f9c047ae76d8e570adf85db4a543c46c74682092257b133febe94d4f2f6665d266776ce8aa7220d14812bd0f8e4585d6a2eecc0427f1994a085eb80b025f484754a99669a5dd7bb3aeeeb43683a18d6f391b8bf0866774b833c47371ae384293048dd852fde0e49427f7d16b0d7f9a76bbcce5b942e5e109bd6fda9e098762998d7a64c2979a622dd6ee2376c5d42ff1d8163b0488d69c7fad1ef47d9be0cb0d196ec7c72864f57d0fec08dd55773b03182cc362314f80f2378662ff6dc38939fb929fc03d3309ed2a023349190665da1922558f14678006be9d51af36274091ae357333d2093c808564247bfde34f30b975bfc22d2db8026e17c659e7ab732b3cb82aca738910ea2dcf884ac6e2a44d578aa14af9c76dd349754e053283ce67c0ca264c50c20774e1c428abae642d1cfed98ded9ff23b72da07cdaed73b286ef1d0bbf8b616026f7b1fc3ae5f54bb71afdae6ec0e3215f4af42aaa60dcf8facb838a951fe4bec05123590d7f864966909e8b044d09fa972b71082e9713612ba367d338443bf40165da5b48dcd3b66df2e05ffe62a87c2cb77240d5d6e6811028c599810ffdf08bec48a15a417f89be35659421d9459116afeb1487395963112112b44e812c53842f28ed4539972b233db7918698f7190dbadcc4a07642680d2a2aa222edf72c35afd5678af93e8429ae5ecb00d84ffa0f68b6c9366bd861f8601f24538433e050a3bcc3d55266a3609b3037e3296647568f7e7366fc3a20cf3392b9d68369ba7b4921894da78dc5dcecfae384a13b9d15c26eba1c15a5081793e3a0ea83206263f0cfa7b928994414d81108ad2c767fba58403c117d9732eb531e7795dc4f3a2b3fcfd074ff9d22c0414e8cadedd118bc7ee6f84b04e6e46fcd066d15ab70160e1956410112f071cc598f2715b85dcf9587505b0b6dd1582bb78c46f95c3a63b61aa2b5a810efbc75a1e185a1e7874873c7347fbc3dc5a9b90612ebc3ffe78fd4962d01c55f3200ceceef6d487ce03def5b2cd2cedeb0c1c3fbe304ba003f19f77c9d1431feb941858f8edaebaf57be27079f1c404905ee56bf9ada3e8728a6ca0e29439f8dde88927b2d5647687c4304c80aecb9b28bf9431ac52c3bb659051af6b2b205f76397c16258ebab1dfb6925651e3c7cb01c97e0bf442e20a43504a56c05b57afb499913aeeedfc2bd5fa188456c354534e0cbf8df5bbdafe5be85219650c4e880a8dc0863fe332731522c6ec394b0239d3b849fcce3b352ba0d4966d8c070b33247b8b35d66e54615ce2843ae95312f75c47661e9654fb2771884c646838b4101b988732866fb06dc7e9aadab454c168409e988f82c76a486a6479a972141ff42862b3958921738ccfa7fba469f5b99d9c05ea336a128b18471e1a2c9b675aea2941db4a35ae266637d6cd069bc73ea1780c96a4b280fe9e8a0e2ab70a8fa5ebfd3c324bc54bcb384183e56b622b07cf8f1f0a9a4307bd874bc01722db6502551ddaf37fbab4cc532cf67c0f6ba5329475f70c2ec047ad9a24a3119fbcca935bb3545453e8b4406709e446d5c363b21525c42f933d24263f69eaf4545084188acd7406728173ee7162d14149f0ab7c123a1780f9b1cd5b690ecce75904ce258b16218719aaf68558e57230bd493dd86583b5e4b96fd50686777321813554f59c8b9d84f72f2127c29f6d3dc06839509d834a4dc91a0fcd75516a9d97d7bb94cb4a7c92bd785da63769f62c5808f6d45e526f6f940c6a8c2a9e308981187a06d894a8cb7335db7e10f530669f325c2e280fbc0d540ea543ea1c63387731f6483d9d4f56b4bd0caf7713113aadfef643723688dca36a718bc9b13edd583b7e80faff8c0bf991279f8b8b1ab5c9fff852ed612a0aa1aff664d054cc6e35d0aeb51e389e40051c6ef2a30617238b8170df33baa8c05e019cacb2e176952969fd5c9ffdbefbd268a1aabe039a2784f31c2f313a61b5a2d5552f5411c470bc6510fae24bb62da6786c8f2b2f9123393ccc892744843d8b5c8d00c8a92fd8f108a0ed8d0f14f0c3a75c00dc709ff7784489b833993b2b8aa30a2f83aae176a2dcb6c16b2b43c08dac4c72e2a82846c6e2e9f56873846960f8bd89471bf053b86f0429f8c9dd95460250dbd91d226b62d42b61531ffac761c82102efa93194dec7f66c39c096ee83b3cf130bc3b74dfccc035e98dc35cee97c175519db8cbaacb20efa6be4fa2e65c4ee0e5b61acd3374de50c1d00d9cf661c2c4fd699a54751314ad27c3f3c74404fc66caca711c309fd0f503d2adf3302860b0d8ca120ce2e0b276cdc6fece49599ccc4ee46d6d1f75471ccdbaf08494eea2628e68e2accf2f9f5713d1c2dd1706791a85c4a8dc3ec5197b560e957e4fdee1606b3de3120d003c0284c8ba8e8264facf40abcfff59c64cab603512eb83df7dd9b6ac774e457fc6d0475b7afadbcfe917b9254fc2b674e58c90b72a"], 0x18}, 0x1, 0x0, 0x0, 0x800}, 0x0) (async) [ 541.905596] nbd: must specify a size in bytes for the device [ 541.966636] nbd: must specify at least one socket 11:18:13 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$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, r2, 0xfa35a9d4bb5d9177, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x46}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffec1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\''}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8000}, 0x4040) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0500fdffff02000000000100000004000780"], 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, r2, 0xfa35a9d4bb5d9177, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x46}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffec1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\''}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8000}, 0x4040) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0500fdffff02000000000100000004000780"], 0x18}}, 0x0) (async) [ 541.994245] nbd: must specify a size in bytes for the device [ 542.012890] nbd: must specify at least one socket 11:18:13 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}]}, 0x40}}, 0x0) 11:18:13 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$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:18:14 executing program 4: syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ioprio_set$pid(0x3, 0x0, 0x2000) [ 542.067163] nla_parse: 45 callbacks suppressed [ 542.067172] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 11:18:14 executing program 4: syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ioprio_set$pid(0x3, 0x0, 0x2000) 11:18:14 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$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 11:18:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18040900", @ANYRES16=r1, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000600)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000580)={0x14, r1, 0x802, 0x70bd29, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x6040010}, 0x40800) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000380)={0x44, r5, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '&^.(\r'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x105}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x4}, 0x40000000) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000400)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="05000000000000000000010000000c00020000000000000000000c00060001000000000000000c00078008000100da02fa1bb248914aaa5b7b67bceb7f0132cfe37ac11ff21b2ebf6ccca9fc76bf9c31843fce8635f7cd210c551e6f6d5d040c689aebb5f58234172698c10440695a8c3151c99f1fc25a84fdbf594f7113063c7d57db9e33d35a471321c7527f585120e4d4c8be2644a062052db49d29d56c9c67cd318e00829df4cf19ce88356e1cd589c7b97fdf6e0b9beed695d075f4206e24e1a12a467689a9dbb307d74890b8f14d2777a361b310654293094ee39bc2142e6c30f4da1a652e9888093d83a70d42816ebef27093fbd80edc4d37d1d33c45d4c1450d8ba6", @ANYRES32, @ANYBLOB], 0x38}}, 0x0) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r6, @ANYBLOB="00042bbd7000fcdbdf25030000001c00078008000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB='\x00\x00\x00\x00\x00', @ANYRES32, @ANYBLOB="0c000200d2090000000000000c00050004000000000000000c00060002000000000000000c0004005d000000000000000c000600000000000000000005000a002d0000000c0003002d0b0000000000000c00030098a9ffffffffffff"], 0x8c}, 0x1, 0x0, 0x0, 0x24044084}, 0x40) 11:18:14 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) 11:18:14 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$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, r2, 0xfa35a9d4bb5d9177, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x46}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffec1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\''}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8000}, 0x4040) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0500fdffff02000000000100000004000780"], 0x18}}, 0x0) [ 542.194349] nbd: must specify a size in bytes for the device [ 542.205900] nbd: must specify at least one socket [ 542.221317] nbd: must specify at least one socket 11:18:14 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) 11:18:14 executing program 4: syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ioprio_set$pid(0x3, 0x0, 0x2000) [ 542.309605] nbd: must specify a size in bytes for the device [ 542.337595] nbd: must specify at least one socket 11:18:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) 11:18:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x2c}}, 0x0) 11:18:14 executing program 4: r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ioprio_set$pid(0x3, r0, 0x0) [ 542.362294] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 11:18:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18040900", @ANYRES16=r1, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000600)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000580)={0x14, r1, 0x802, 0x70bd29, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x6040010}, 0x40800) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000380)={0x44, r5, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '&^.(\r'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x105}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x4}, 0x40000000) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000400)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="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", @ANYRES32, @ANYBLOB], 0x38}}, 0x0) (async) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r6, @ANYBLOB="00042bbd7000fcdbdf25030000001c00078008000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB='\x00\x00\x00\x00\x00', @ANYRES32, @ANYBLOB="0c000200d2090000000000000c00050004000000000000000c00060002000000000000000c0004005d000000000000000c000600000000000000000005000a002d0000000c0003002d0b0000000000000c00030098a9ffffffffffff"], 0x8c}, 0x1, 0x0, 0x0, 0x24044084}, 0x40) 11:18:14 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r4 = syz_open_procfs$namespace(0x0, &(0x7f00000001c0)='ns/time\x00') sendmsg$RDMA_NLDEV_CMD_SYS_SET(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x2c, 0x1407, 0x300, 0x70bd26, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_NAME={0x9, 0x2, 'syz2\x00'}, @RDMA_NLDEV_NET_NS_FD={0x8, 0x44, r4}]}, 0x2c}}, 0x4) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, r3, 0x2, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000001}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x24084018) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f00000003c0)={'vcan0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000400)={'vcan0\x00', 0x0}) sendmsg$ETHTOOL_MSG_COALESCE_GET(0xffffffffffffffff, &(0x7f0000000640)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000600)={&(0x7f0000000440)={0x19c, 0x0, 0x200, 0x70bd26, 0x25dfdbfe, {}, [@HEADER={0x40, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_hsr\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip_vti0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_team\x00'}]}, @HEADER={0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_bridge\x00'}]}, @HEADER={0x6c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'sit0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_batadv\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'virt_wifi0\x00'}]}, @HEADER={0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bridge_slave_1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan1\x00'}]}, @HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ipvlan1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0x19c}, 0x1, 0x0, 0x0, 0x20004000}, 0x4000800) 11:18:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) 11:18:14 executing program 4: r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ioprio_set$pid(0x3, r0, 0x0) 11:18:14 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$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x2c}}, 0x0) [ 542.502358] nbd: must specify a size in bytes for the device 11:18:14 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) [ 542.587726] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 11:18:14 executing program 4: r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ioprio_set$pid(0x3, r0, 0x0) 11:18:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18040900", @ANYRES16=r1, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000600)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000580)={0x14, r1, 0x802, 0x70bd29, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x6040010}, 0x40800) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000380)={0x44, r5, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '&^.(\r'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x105}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x4}, 0x40000000) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000400)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="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", @ANYRES32, @ANYBLOB], 0x38}}, 0x0) (async) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYBLOB="8c000000", @ANYRES16=r6, @ANYBLOB="00042bbd7000fcdbdf25030000001c00078008000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB='\x00\x00\x00\x00\x00', @ANYRES32, @ANYBLOB="0c000200d2090000000000000c00050004000000000000000c00060002000000000000000c0004005d000000000000000c000600000000000000000005000a002d0000000c0003002d0b0000000000000c00030098a9ffffffffffff"], 0x8c}, 0x1, 0x0, 0x0, 0x24044084}, 0x40) 11:18:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}]}, 0x2c}}, 0x0) 11:18:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) 11:18:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r4 = syz_open_procfs$namespace(0x0, &(0x7f00000001c0)='ns/time\x00') sendmsg$RDMA_NLDEV_CMD_SYS_SET(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x2c, 0x1407, 0x300, 0x70bd26, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_NAME={0x9, 0x2, 'syz2\x00'}, @RDMA_NLDEV_NET_NS_FD={0x8, 0x44, r4}]}, 0x2c}}, 0x4) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, r3, 0x2, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000001}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x24084018) (async) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f00000003c0)={'vcan0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000400)={'vcan0\x00', 0x0}) sendmsg$ETHTOOL_MSG_COALESCE_GET(0xffffffffffffffff, &(0x7f0000000640)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000600)={&(0x7f0000000440)={0x19c, 0x0, 0x200, 0x70bd26, 0x25dfdbfe, {}, [@HEADER={0x40, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_hsr\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip_vti0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_team\x00'}]}, @HEADER={0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_bridge\x00'}]}, @HEADER={0x6c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'sit0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_batadv\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'virt_wifi0\x00'}]}, @HEADER={0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bridge_slave_1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan1\x00'}]}, @HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ipvlan1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0x19c}, 0x1, 0x0, 0x0, 0x20004000}, 0x4000800) [ 542.668955] nbd: must specify a size in bytes for the device [ 542.691522] nbd: must specify a size in bytes for the device 11:18:14 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) 11:18:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) [ 542.777756] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 11:18:14 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_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="3800c2ee", @ANYRES16=r3, @ANYBLOB="05000000000000000000010000000c00020000000000000000000c00060001000000000000000c00078008000100", @ANYRES32, @ANYBLOB], 0x38}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r3, 0x20, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffa}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x34}, 0x1, 0x0, 0x0, 0x8001}, 0x80000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r2) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000340)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x3c, r5, 0x800, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x45daaad}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20004895}, 0x40) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r6, @ANYBLOB="000400078000000100"/18], 0x18}}, 0x0) geteuid() 11:18:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) 11:18:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) [ 542.886497] nbd: must specify a size in bytes for the device [ 542.896186] nbd: must specify a size in bytes for the device [ 542.903920] nbd: must specify a size in bytes for the device 11:18:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async, rerun: 32) r4 = syz_open_procfs$namespace(0x0, &(0x7f00000001c0)='ns/time\x00') (rerun: 32) sendmsg$RDMA_NLDEV_CMD_SYS_SET(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x2c, 0x1407, 0x300, 0x70bd26, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_NAME={0x9, 0x2, 'syz2\x00'}, @RDMA_NLDEV_NET_NS_FD={0x8, 0x44, r4}]}, 0x2c}}, 0x4) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, r3, 0x2, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000001}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000}, 0x24084018) (async) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f00000003c0)={'vcan0\x00', 0x0}) (async) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000400)={'vcan0\x00', 0x0}) sendmsg$ETHTOOL_MSG_COALESCE_GET(0xffffffffffffffff, &(0x7f0000000640)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000600)={&(0x7f0000000440)={0x19c, 0x0, 0x200, 0x70bd26, 0x25dfdbfe, {}, [@HEADER={0x40, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_hsr\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip_vti0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_team\x00'}]}, @HEADER={0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_bridge\x00'}]}, @HEADER={0x6c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'pimreg0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'sit0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_batadv\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'virt_wifi0\x00'}]}, @HEADER={0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bridge_slave_1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan1\x00'}]}, @HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ipvlan1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}]}, 0x19c}, 0x1, 0x0, 0x0, 0x20004000}, 0x4000800) 11:18:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) [ 542.942085] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 542.994391] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 11:18:15 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) [ 543.086007] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 543.105302] nbd: must specify a size in bytes for the device [ 543.111287] nbd: must specify a size in bytes for the device 11:18:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) 11:18:15 executing program 0: r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) getpgid(r0) getpgrp(r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1c, &(0x7f0000000140)={@remote, 0x0}, &(0x7f00000001c0)=0x14) r3 = bpf$PROG_LOAD_XDP(0x5, &(0x7f0000001540)={0x6, 0x7, &(0x7f0000001400)=@raw=[@map_idx_val={0x18, 0x7, 0x6, 0x0, 0x1, 0x0, 0x0, 0x0, 0x6}, @jmp={0x5, 0x0, 0x8, 0x1, 0x0, 0x10, 0x4}, @initr0={0x18, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x6}, @btf_id={0x18, 0x1, 0x3, 0x0, 0x1}], &(0x7f0000001440)='syzkaller\x00', 0xffffffff, 0x0, 0x0, 0x40f00, 0x1c, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, &(0x7f0000001480)={0x4, 0x4}, 0x8, 0x10, &(0x7f00000014c0)={0x0, 0xb, 0x7fffffff, 0x3}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000001500)=[0x1, 0x1, 0x1, 0xffffffffffffffff, 0xffffffffffffffff, 0x1, 0x1, 0xffffffffffffffff, 0x1, 0xffffffffffffffff]}, 0x80) r4 = bpf$MAP_CREATE(0x0, &(0x7f00000015c0)=@base={0x14, 0x3f, 0x4, 0xffff, 0x881, 0xffffffffffffffff, 0x101, '\x00', 0x0, 0xffffffffffffffff, 0x5, 0x5}, 0x48) r5 = bpf$MAP_CREATE(0x0, &(0x7f0000001640)=@base={0x10, 0x401, 0x3, 0x80, 0x102, 0xffffffffffffffff, 0x4, '\x00', 0x0, 0xffffffffffffffff, 0x2, 0x3, 0x3}, 0x48) r6 = bpf$MAP_CREATE(0x0, &(0x7f00000016c0)=@base={0x18, 0x7ff, 0x3f, 0x66a3, 0x104, 0x1, 0x2, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x2, 0x5}, 0x48) r7 = openat$full(0xffffffffffffff9c, &(0x7f0000001740), 0x408200, 0x0) r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000001780), 0x101102, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000001800)={0x1d, 0x0, &(0x7f00000000c0), &(0x7f0000000100)='GPL\x00', 0x7ff, 0x1000, &(0x7f00000003c0)=""/4096, 0x41000, 0xe, '\x00', r2, 0x25, 0xffffffffffffffff, 0x8, &(0x7f0000000200)={0x0, 0x5}, 0x8, 0x10, &(0x7f00000013c0)={0x5, 0x6, 0xff, 0x6}, 0x10, 0x0, r3, 0x0, &(0x7f00000017c0)=[r4, 0x1, r5, r6, r7, r8, 0x1]}, 0x80) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="00006c4419f4b8f61ef37489800000cc48424eec9b1b70f45dcc628605c831c8bfc5b01fbf947c4e2a482211b73ea8477922318dc2cfc50d1ae029777adb36959f24dbae4cd35247b8e8b86128eec71dc242f35b78d4808951d593555837214e999d2a8a068a8c14ba2c81434ec54995acd390818cc30f3e001f66d158142b8f90925d33c9896aa3ea5dbfff9715be91b1bd6b24c823dec5665498efa48088f77d38655a2d759f8b086075196274f8329a1c", @ANYRES16=r10, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) r11 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8) r12 = openat$full(0xffffffffffffff9c, &(0x7f0000000040), 0x10040, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r11, 0xc01064c2, &(0x7f0000000080)={0x0, 0x0, r12}) 11:18:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) 11:18:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="3800c2ee", @ANYRES16=r3, @ANYBLOB="05000000000000000000010000000c00020000000000000000000c00060001000000000000000c00078008000100", @ANYRES32, @ANYBLOB], 0x38}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r3, 0x20, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffa}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x34}, 0x1, 0x0, 0x0, 0x8001}, 0x80000) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r2) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000340)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x3c, r5, 0x800, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x45daaad}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20004895}, 0x40) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r6, @ANYBLOB="000400078000000100"/18], 0x18}}, 0x0) (async) geteuid() 11:18:15 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) [ 543.232426] nbd: must specify a size in bytes for the device [ 543.259627] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 543.289476] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 11:18:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}]}]}, 0x40}}, 0x0) 11:18:15 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_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="3800c2ee", @ANYRES16=r3, @ANYBLOB="05000000000000000000010000000c00020000000000000000000c00060001000000000000000c00078008000100", @ANYRES32, @ANYBLOB], 0x38}}, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r3, 0x20, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffffa}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x34}, 0x1, 0x0, 0x0, 0x8001}, 0x80000) (async, rerun: 64) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r2) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000340)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x3c, r5, 0x800, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x45daaad}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20004895}, 0x40) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r6, @ANYBLOB="000400078000000100"/18], 0x18}}, 0x0) (async, rerun: 32) geteuid() (rerun: 32) 11:18:15 executing program 0: r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) getpgid(r0) getpgrp(r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1c, &(0x7f0000000140)={@remote, 0x0}, &(0x7f00000001c0)=0x14) r3 = bpf$PROG_LOAD_XDP(0x5, &(0x7f0000001540)={0x6, 0x7, &(0x7f0000001400)=@raw=[@map_idx_val={0x18, 0x7, 0x6, 0x0, 0x1, 0x0, 0x0, 0x0, 0x6}, @jmp={0x5, 0x0, 0x8, 0x1, 0x0, 0x10, 0x4}, @initr0={0x18, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x6}, @btf_id={0x18, 0x1, 0x3, 0x0, 0x1}], &(0x7f0000001440)='syzkaller\x00', 0xffffffff, 0x0, 0x0, 0x40f00, 0x1c, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, &(0x7f0000001480)={0x4, 0x4}, 0x8, 0x10, &(0x7f00000014c0)={0x0, 0xb, 0x7fffffff, 0x3}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000001500)=[0x1, 0x1, 0x1, 0xffffffffffffffff, 0xffffffffffffffff, 0x1, 0x1, 0xffffffffffffffff, 0x1, 0xffffffffffffffff]}, 0x80) r4 = bpf$MAP_CREATE(0x0, &(0x7f00000015c0)=@base={0x14, 0x3f, 0x4, 0xffff, 0x881, 0xffffffffffffffff, 0x101, '\x00', 0x0, 0xffffffffffffffff, 0x5, 0x5}, 0x48) r5 = bpf$MAP_CREATE(0x0, &(0x7f0000001640)=@base={0x10, 0x401, 0x3, 0x80, 0x102, 0xffffffffffffffff, 0x4, '\x00', 0x0, 0xffffffffffffffff, 0x2, 0x3, 0x3}, 0x48) r6 = bpf$MAP_CREATE(0x0, &(0x7f00000016c0)=@base={0x18, 0x7ff, 0x3f, 0x66a3, 0x104, 0x1, 0x2, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x2, 0x5}, 0x48) r7 = openat$full(0xffffffffffffff9c, &(0x7f0000001740), 0x408200, 0x0) r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000001780), 0x101102, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000001800)={0x1d, 0x0, &(0x7f00000000c0), &(0x7f0000000100)='GPL\x00', 0x7ff, 0x1000, &(0x7f00000003c0)=""/4096, 0x41000, 0xe, '\x00', r2, 0x25, 0xffffffffffffffff, 0x8, &(0x7f0000000200)={0x0, 0x5}, 0x8, 0x10, &(0x7f00000013c0)={0x5, 0x6, 0xff, 0x6}, 0x10, 0x0, r3, 0x0, &(0x7f00000017c0)=[r4, 0x1, r5, r6, r7, r8, 0x1]}, 0x80) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="00006c4419f4b8f61ef37489800000cc48424eec9b1b70f45dcc628605c831c8bfc5b01fbf947c4e2a482211b73ea8477922318dc2cfc50d1ae029777adb36959f24dbae4cd35247b8e8b86128eec71dc242f35b78d4808951d593555837214e999d2a8a068a8c14ba2c81434ec54995acd390818cc30f3e001f66d158142b8f90925d33c9896aa3ea5dbfff9715be91b1bd6b24c823dec5665498efa48088f77d38655a2d759f8b086075196274f8329a1c", @ANYRES16=r10, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) r11 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8) r12 = openat$full(0xffffffffffffff9c, &(0x7f0000000040), 0x10040, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r11, 0xc01064c2, &(0x7f0000000080)={0x0, 0x0, r12}) syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) (async) getpgid(r0) (async) getpgrp(r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1c, &(0x7f0000000140)={@remote}, &(0x7f00000001c0)=0x14) (async) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000001540)={0x6, 0x7, &(0x7f0000001400)=@raw=[@map_idx_val={0x18, 0x7, 0x6, 0x0, 0x1, 0x0, 0x0, 0x0, 0x6}, @jmp={0x5, 0x0, 0x8, 0x1, 0x0, 0x10, 0x4}, @initr0={0x18, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x6}, @btf_id={0x18, 0x1, 0x3, 0x0, 0x1}], &(0x7f0000001440)='syzkaller\x00', 0xffffffff, 0x0, 0x0, 0x40f00, 0x1c, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, &(0x7f0000001480)={0x4, 0x4}, 0x8, 0x10, &(0x7f00000014c0)={0x0, 0xb, 0x7fffffff, 0x3}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000001500)=[0x1, 0x1, 0x1, 0xffffffffffffffff, 0xffffffffffffffff, 0x1, 0x1, 0xffffffffffffffff, 0x1, 0xffffffffffffffff]}, 0x80) (async) bpf$MAP_CREATE(0x0, &(0x7f00000015c0)=@base={0x14, 0x3f, 0x4, 0xffff, 0x881, 0xffffffffffffffff, 0x101, '\x00', 0x0, 0xffffffffffffffff, 0x5, 0x5}, 0x48) (async) bpf$MAP_CREATE(0x0, &(0x7f0000001640)=@base={0x10, 0x401, 0x3, 0x80, 0x102, 0xffffffffffffffff, 0x4, '\x00', 0x0, 0xffffffffffffffff, 0x2, 0x3, 0x3}, 0x48) (async) bpf$MAP_CREATE(0x0, &(0x7f00000016c0)=@base={0x18, 0x7ff, 0x3f, 0x66a3, 0x104, 0x1, 0x2, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x2, 0x5}, 0x48) (async) openat$full(0xffffffffffffff9c, &(0x7f0000001740), 0x408200, 0x0) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000001780), 0x101102, 0x0) (async) bpf$PROG_LOAD(0x5, &(0x7f0000001800)={0x1d, 0x0, &(0x7f00000000c0), &(0x7f0000000100)='GPL\x00', 0x7ff, 0x1000, &(0x7f00000003c0)=""/4096, 0x41000, 0xe, '\x00', r2, 0x25, 0xffffffffffffffff, 0x8, &(0x7f0000000200)={0x0, 0x5}, 0x8, 0x10, &(0x7f00000013c0)={0x5, 0x6, 0xff, 0x6}, 0x10, 0x0, r3, 0x0, &(0x7f00000017c0)=[r4, 0x1, r5, r6, r7, r8, 0x1]}, 0x80) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) (async) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="00006c4419f4b8f61ef37489800000cc48424eec9b1b70f45dcc628605c831c8bfc5b01fbf947c4e2a482211b73ea8477922318dc2cfc50d1ae029777adb36959f24dbae4cd35247b8e8b86128eec71dc242f35b78d4808951d593555837214e999d2a8a068a8c14ba2c81434ec54995acd390818cc30f3e001f66d158142b8f90925d33c9896aa3ea5dbfff9715be91b1bd6b24c823dec5665498efa48088f77d38655a2d759f8b086075196274f8329a1c", @ANYRES16=r10, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) (async) bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8) (async) openat$full(0xffffffffffffff9c, &(0x7f0000000040), 0x10040, 0x0) (async) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r11, 0xc01064c2, &(0x7f0000000080)={0x0, 0x0, r12}) (async) 11:18:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) [ 543.376061] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 543.400691] nbd: must specify a size in bytes for the device [ 543.408528] nbd: must specify a size in bytes for the device 11:18:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) 11:18:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) 11:18:15 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x4000000, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x28}}, 0x0) 11:18:15 executing program 0: r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) getpgid(r0) getpgrp(r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1c, &(0x7f0000000140)={@remote, 0x0}, &(0x7f00000001c0)=0x14) r3 = bpf$PROG_LOAD_XDP(0x5, &(0x7f0000001540)={0x6, 0x7, &(0x7f0000001400)=@raw=[@map_idx_val={0x18, 0x7, 0x6, 0x0, 0x1, 0x0, 0x0, 0x0, 0x6}, @jmp={0x5, 0x0, 0x8, 0x1, 0x0, 0x10, 0x4}, @initr0={0x18, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x6}, @btf_id={0x18, 0x1, 0x3, 0x0, 0x1}], &(0x7f0000001440)='syzkaller\x00', 0xffffffff, 0x0, 0x0, 0x40f00, 0x1c, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, &(0x7f0000001480)={0x4, 0x4}, 0x8, 0x10, &(0x7f00000014c0)={0x0, 0xb, 0x7fffffff, 0x3}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000001500)=[0x1, 0x1, 0x1, 0xffffffffffffffff, 0xffffffffffffffff, 0x1, 0x1, 0xffffffffffffffff, 0x1, 0xffffffffffffffff]}, 0x80) r4 = bpf$MAP_CREATE(0x0, &(0x7f00000015c0)=@base={0x14, 0x3f, 0x4, 0xffff, 0x881, 0xffffffffffffffff, 0x101, '\x00', 0x0, 0xffffffffffffffff, 0x5, 0x5}, 0x48) r5 = bpf$MAP_CREATE(0x0, &(0x7f0000001640)=@base={0x10, 0x401, 0x3, 0x80, 0x102, 0xffffffffffffffff, 0x4, '\x00', 0x0, 0xffffffffffffffff, 0x2, 0x3, 0x3}, 0x48) r6 = bpf$MAP_CREATE(0x0, &(0x7f00000016c0)=@base={0x18, 0x7ff, 0x3f, 0x66a3, 0x104, 0x1, 0x2, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x2, 0x5}, 0x48) r7 = openat$full(0xffffffffffffff9c, &(0x7f0000001740), 0x408200, 0x0) r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000001780), 0x101102, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000001800)={0x1d, 0x0, &(0x7f00000000c0), &(0x7f0000000100)='GPL\x00', 0x7ff, 0x1000, &(0x7f00000003c0)=""/4096, 0x41000, 0xe, '\x00', r2, 0x25, 0xffffffffffffffff, 0x8, &(0x7f0000000200)={0x0, 0x5}, 0x8, 0x10, &(0x7f00000013c0)={0x5, 0x6, 0xff, 0x6}, 0x10, 0x0, r3, 0x0, &(0x7f00000017c0)=[r4, 0x1, r5, r6, r7, r8, 0x1]}, 0x80) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="00006c4419f4b8f61ef37489800000cc48424eec9b1b70f45dcc628605c831c8bfc5b01fbf947c4e2a482211b73ea8477922318dc2cfc50d1ae029777adb36959f24dbae4cd35247b8e8b86128eec71dc242f35b78d4808951d593555837214e999d2a8a068a8c14ba2c81434ec54995acd390818cc30f3e001f66d158142b8f90925d33c9896aa3ea5dbfff9715be91b1bd6b24c823dec5665498efa48088f77d38655a2d759f8b086075196274f8329a1c", @ANYRES16=r10, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) r11 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8) r12 = openat$full(0xffffffffffffff9c, &(0x7f0000000040), 0x10040, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r11, 0xc01064c2, &(0x7f0000000080)={0x0, 0x0, r12}) syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) (async) getpgid(r0) (async) getpgrp(r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1c, &(0x7f0000000140)={@remote}, &(0x7f00000001c0)=0x14) (async) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000001540)={0x6, 0x7, &(0x7f0000001400)=@raw=[@map_idx_val={0x18, 0x7, 0x6, 0x0, 0x1, 0x0, 0x0, 0x0, 0x6}, @jmp={0x5, 0x0, 0x8, 0x1, 0x0, 0x10, 0x4}, @initr0={0x18, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x6}, @btf_id={0x18, 0x1, 0x3, 0x0, 0x1}], &(0x7f0000001440)='syzkaller\x00', 0xffffffff, 0x0, 0x0, 0x40f00, 0x1c, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, &(0x7f0000001480)={0x4, 0x4}, 0x8, 0x10, &(0x7f00000014c0)={0x0, 0xb, 0x7fffffff, 0x3}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000001500)=[0x1, 0x1, 0x1, 0xffffffffffffffff, 0xffffffffffffffff, 0x1, 0x1, 0xffffffffffffffff, 0x1, 0xffffffffffffffff]}, 0x80) (async) bpf$MAP_CREATE(0x0, &(0x7f00000015c0)=@base={0x14, 0x3f, 0x4, 0xffff, 0x881, 0xffffffffffffffff, 0x101, '\x00', 0x0, 0xffffffffffffffff, 0x5, 0x5}, 0x48) (async) bpf$MAP_CREATE(0x0, &(0x7f0000001640)=@base={0x10, 0x401, 0x3, 0x80, 0x102, 0xffffffffffffffff, 0x4, '\x00', 0x0, 0xffffffffffffffff, 0x2, 0x3, 0x3}, 0x48) (async) bpf$MAP_CREATE(0x0, &(0x7f00000016c0)=@base={0x18, 0x7ff, 0x3f, 0x66a3, 0x104, 0x1, 0x2, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x2, 0x5}, 0x48) (async) openat$full(0xffffffffffffff9c, &(0x7f0000001740), 0x408200, 0x0) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000001780), 0x101102, 0x0) (async) bpf$PROG_LOAD(0x5, &(0x7f0000001800)={0x1d, 0x0, &(0x7f00000000c0), &(0x7f0000000100)='GPL\x00', 0x7ff, 0x1000, &(0x7f00000003c0)=""/4096, 0x41000, 0xe, '\x00', r2, 0x25, 0xffffffffffffffff, 0x8, &(0x7f0000000200)={0x0, 0x5}, 0x8, 0x10, &(0x7f00000013c0)={0x5, 0x6, 0xff, 0x6}, 0x10, 0x0, r3, 0x0, &(0x7f00000017c0)=[r4, 0x1, r5, r6, r7, r8, 0x1]}, 0x80) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) (async) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="00006c4419f4b8f61ef37489800000cc48424eec9b1b70f45dcc628605c831c8bfc5b01fbf947c4e2a482211b73ea8477922318dc2cfc50d1ae029777adb36959f24dbae4cd35247b8e8b86128eec71dc242f35b78d4808951d593555837214e999d2a8a068a8c14ba2c81434ec54995acd390818cc30f3e001f66d158142b8f90925d33c9896aa3ea5dbfff9715be91b1bd6b24c823dec5665498efa48088f77d38655a2d759f8b086075196274f8329a1c", @ANYRES16=r10, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) (async) bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8) (async) openat$full(0xffffffffffffff9c, &(0x7f0000000040), 0x10040, 0x0) (async) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r11, 0xc01064c2, &(0x7f0000000080)={0x0, 0x0, r12}) (async) [ 543.648439] nbd: must specify a size in bytes for the device 11:18:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) 11:18:15 executing program 3: syz_init_net_socket$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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) [ 543.742789] nbd: must specify a size in bytes for the device [ 543.750205] nbd: must specify a size in bytes for the device [ 543.757072] nbd: must specify a size in bytes for the device 11:18:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x28}}, 0x0) 11:18:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x4000000, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x4000000, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 11:18:15 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r2, 0x100, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x34}, 0x1, 0x0, 0x0, 0x2000000}, 0x81) 11:18:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) [ 543.848307] nbd: must specify a size in bytes for the device 11:18:15 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) 11:18:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0), 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x28}}, 0x0) 11:18:15 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:15 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r2, 0x100, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x34}, 0x1, 0x0, 0x0, 0x2000000}, 0x81) [ 544.005520] nbd: must specify a size in bytes for the device 11:18:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x4000000, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) [ 544.097558] nbd: must specify a size in bytes for the device 11:18:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}]}]}, 0x40}}, 0x0) 11:18:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="00000000185720bab5db1b644ab0cc6352e9361a7c84a7da83e9cf7028b9ded40e423cfcd8a33bc2beb738dbdbb57ad1962d297d7258d8fdc2db8eaf61d0c2c406299a0b88d54011f637b85b2091223f791b0720ebb121b79fc0766c8bf903bb2fd53f11a32a822e93dab0d891cdc1e5a2d93deac54f3e89772374622e6d4794f4bc30766862b169bf88b6604a49899d998dc763aa8d98d94800"/167, @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r7) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r9, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000400)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x20, r9, 0x300, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x20}, 0x1, 0x0, 0x0, 0x44}, 0x4814) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r10, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x480}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x34, r10, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10000}]}, 0x34}, 0x1, 0x0, 0x0, 0xc004}, 0x845) 11:18:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) 11:18:16 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$nbd(0x0, r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) [ 544.233316] nbd: must specify a size in bytes for the device 11:18:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r2, 0x100, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x34}, 0x1, 0x0, 0x0, 0x2000000}, 0x81) 11:18:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) [ 544.363335] nbd: must specify a size in bytes for the device 11:18:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:16 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) [ 544.451427] nbd: must specify a size in bytes for the device [ 544.458304] nbd: must specify a size in bytes for the device 11:18:16 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$nbd(0x0, r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) 11:18:16 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:16 executing program 1: syz_init_net_socket$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_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="00000000185720bab5db1b644ab0cc6352e9361a7c84a7da83e9cf7028b9ded40e423cfcd8a33bc2beb738dbdbb57ad1962d297d7258d8fdc2db8eaf61d0c2c406299a0b88d54011f637b85b2091223f791b0720ebb121b79fc0766c8bf903bb2fd53f11a32a822e93dab0d891cdc1e5a2d93deac54f3e89772374622e6d4794f4bc30766862b169bf88b6604a49899d998dc763aa8d98d94800"/167, @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r7) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r9, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000400)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x20, r9, 0x300, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x20}, 0x1, 0x0, 0x0, 0x44}, 0x4814) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r10, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async, rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x480}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x34, r10, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10000}]}, 0x34}, 0x1, 0x0, 0x0, 0xc004}, 0x845) (rerun: 32) 11:18:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:16 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) [ 544.714400] nbd: must specify a size in bytes for the device 11:18:16 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) 11:18:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) [ 544.812328] nbd: must specify a size in bytes for the device [ 544.831998] nbd: must specify a size in bytes for the device 11:18:16 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:16 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}]}]}, 0x40}}, 0x0) [ 544.967796] nbd: must specify a size in bytes for the device [ 544.987085] nbd: must specify a size in bytes for the device 11:18:16 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="00000000185720bab5db1b644ab0cc6352e9361a7c84a7da83e9cf7028b9ded40e423cfcd8a33bc2beb738dbdbb57ad1962d297d7258d8fdc2db8eaf61d0c2c406299a0b88d54011f637b85b2091223f791b0720ebb121b79fc0766c8bf903bb2fd53f11a32a822e93dab0d891cdc1e5a2d93deac54f3e89772374622e6d4794f4bc30766862b169bf88b6604a49899d998dc763aa8d98d94800"/167, @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r7) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r9, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000400)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x20, r9, 0x300, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x20}, 0x1, 0x0, 0x0, 0x44}, 0x4814) (async, rerun: 64) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r10, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x480}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x34, r10, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10000}]}, 0x34}, 0x1, 0x0, 0x0, 0xc004}, 0x845) 11:18:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r4) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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"], 0x50}, 0x1, 0x0, 0x0, 0x44000}, 0x10) [ 545.063095] nbd: must specify a size in bytes for the device 11:18:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:17 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}]}]}, 0x40}}, 0x0) [ 545.140199] nbd: must specify a size in bytes for the device 11:18:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) [ 545.207513] nbd: must specify a size in bytes for the device 11:18:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r4) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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"], 0x50}, 0x1, 0x0, 0x0, 0x44000}, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r4) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="100028bd7000ffdbdf25020000000c00080002000000ffffff7f0c00c6fc030020000000000000000c0002000d710000000000000c00060002000000000000000c0004003200000000000000372c782d2e60ee9cd03873c126df22358c0da69267097bb06469c423164ef6613ea82990a7f668d4dcf4386d3f8eed9a4fe7ba78644f21483833ed430321bc5cf21e1e7b9e32c24492704756ef94c1638646e20960dfd5958d9583ed6550f74303235050b12260f85f57af557aace2d519752d718b2f40a0506bdb86352a00230ce44c64a350e3fdaa2aedc1feaa9ff24f905901cc21ef71473c8c847c103b64fad7281521c744456a10d9ec391b9cdacfc9c8cfcb43683c1128635167b0055e7a39b205"], 0x50}, 0x1, 0x0, 0x0, 0x44000}, 0x10) (async) 11:18:17 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$nbd(0x0, r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) [ 545.253397] nbd: must specify a size in bytes for the device 11:18:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}]}]}, 0x40}}, 0x0) 11:18:17 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$nbd(0x0, r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:17 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:17 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB="30000100", @ANYRES16=r2, @ANYBLOB="10002bbd7000fedbdf250100000008000100000000000c00020004000000000000000800010000000000"], 0x30}, 0x1, 0x0, 0x0, 0x44004}, 0x0) 11:18:17 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async, rerun: 64) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r4) (async, rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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"], 0x50}, 0x1, 0x0, 0x0, 0x44000}, 0x10) (rerun: 64) 11:18:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}]}, 0x40}}, 0x0) [ 545.488083] nbd: must specify a size in bytes for the device [ 545.511158] nbd: must specify a size in bytes for the device 11:18:17 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$nbd(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) [ 545.592782] nbd: must specify a size in bytes for the device [ 545.608485] nbd: must specify a size in bytes for the device 11:18:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:17 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$nbd(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB="30000100", @ANYRES16=r2, @ANYBLOB="10002bbd7000fedbdf250100000008000100000000000c00020004000000000000000800010000000000"], 0x30}, 0x1, 0x0, 0x0, 0x44004}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB="30000100", @ANYRES16=r2, @ANYBLOB="10002bbd7000fedbdf250100000008000100000000000c00020004000000000000000800010000000000"], 0x30}, 0x1, 0x0, 0x0, 0x44004}, 0x0) (async) [ 545.684848] nbd: must specify a size in bytes for the device [ 545.692930] nbd: must specify a size in bytes for the device [ 545.699591] nbd: must specify a size in bytes for the device [ 545.712180] nbd: must specify a size in bytes for the device 11:18:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}]}, 0x40}}, 0x0) [ 545.737348] nbd: must specify a size in bytes for the device [ 545.764919] nbd: must specify a size in bytes for the device 11:18:17 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}]}]}, 0x40}}, 0x0) [ 545.840433] nbd: must specify a size in bytes for the device 11:18:17 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB="30000100", @ANYRES16=r2, @ANYBLOB="10002bbd7000fedbdf250100000008000100000000000c00020004000000000000000800010000000000"], 0x30}, 0x1, 0x0, 0x0, 0x44004}, 0x0) [ 545.881602] nbd: must specify a size in bytes for the device [ 545.944202] nbd: must specify a size in bytes for the device [ 545.964344] nbd: must specify a size in bytes for the device [ 545.975159] nbd: must specify a size in bytes for the device [ 546.045721] nbd: must specify a size in bytes for the device [ 546.061693] nbd: must specify a size in bytes for the device [ 546.111461] nbd: must specify a size in bytes for the device [ 546.120063] nbd: must specify a size in bytes for the device [ 546.127085] nbd: must specify a size in bytes for the device [ 546.133948] nbd: must specify a size in bytes for the device [ 546.139869] nbd: must specify a size in bytes for the device [ 546.147468] nbd: must specify a size in bytes for the device [ 546.154334] nbd: must specify a size in bytes for the device [ 546.160392] nbd: must specify a size in bytes for the device [ 546.169001] nbd: must specify a size in bytes for the device [ 546.175875] nbd: must specify a size in bytes for the device [ 546.196311] nbd: must specify a size in bytes for the device [ 546.206789] nbd: must specify a size in bytes for the device [ 546.214250] nbd: must specify a size in bytes for the device [ 546.225042] nbd: must specify a size in bytes for the device [ 546.231130] nbd: must specify a size in bytes for the device [ 546.251728] nbd: must specify a size in bytes for the device [ 546.268626] nbd: must specify a size in bytes for the device [ 546.279010] nbd: must specify a size in bytes for the device [ 546.291824] nbd: must specify a size in bytes for the device [ 546.312732] nbd: must specify a size in bytes for the device 11:18:18 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x7fffffff, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) getitimer(0x0, &(0x7f0000000000)) ioctl$SNDRV_TIMER_IOCTL_START(0xffffffffffffffff, 0x54a0) 11:18:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}]}, 0x40}}, 0x0) 11:18:18 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}]}]}, 0x40}}, 0x0) 11:18:18 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:18 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x20000040}, 0x0) [ 546.327454] nbd: must specify a size in bytes for the device [ 546.338414] nbd: must specify a size in bytes for the device [ 546.349617] nbd: must specify a size in bytes for the device [ 546.357566] nbd: must specify a size in bytes for the device [ 546.364420] nbd: must specify a size in bytes for the device [ 546.370451] nbd: must specify a size in bytes for the device 11:18:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 11:18:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:18 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}]}]}, 0x40}}, 0x0) 11:18:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}]}, 0x40}}, 0x0) 11:18:18 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x7fffffff, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) getitimer(0x0, &(0x7f0000000000)) ioctl$SNDRV_TIMER_IOCTL_START(0xffffffffffffffff, 0x54a0) [ 546.525488] nbd: must specify a size in bytes for the device [ 546.533485] nbd: must specify a size in bytes for the device [ 546.547839] nbd: must specify a size in bytes for the device [ 546.568239] nbd: must specify a size in bytes for the device 11:18:18 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x20000040}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x20000040}, 0x0) (async) 11:18:18 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}]}, 0x40}}, 0x0) 11:18:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 11:18:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) [ 546.734130] nbd: must specify a size in bytes for the device [ 546.770817] nbd: must specify a size in bytes for the device 11:18:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}]}, 0x40}}, 0x0) 11:18:18 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x7fffffff, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) getitimer(0x0, &(0x7f0000000000)) ioctl$SNDRV_TIMER_IOCTL_START(0xffffffffffffffff, 0x54a0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x7fffffff, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) getitimer(0x0, &(0x7f0000000000)) (async) ioctl$SNDRV_TIMER_IOCTL_START(0xffffffffffffffff, 0x54a0) (async) [ 546.787004] nbd: must specify a size in bytes for the device 11:18:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x20000040}, 0x0) [ 546.841680] nbd: must specify a size in bytes for the device 11:18:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}]}, 0x40}}, 0x0) 11:18:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 11:18:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) [ 546.900455] nbd: must specify a size in bytes for the device [ 546.938353] nbd: must specify a size in bytes for the device 11:18:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}]}, 0x40}}, 0x0) 11:18:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_open_dev$sndctrl(&(0x7f0000000000), 0x8, 0x8001) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)={0x98, 0x0, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xa54}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '*:--}\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x98}, 0x1, 0x0, 0x0, 0x80080}, 0x20000080) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:18 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$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000200)={0x14, r2, 0x5}, 0x14}}, 0x48085) [ 546.958888] nbd: must specify a size in bytes for the device [ 546.994369] nbd: must specify a size in bytes for the device 11:18:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}]}, 0x40}}, 0x0) 11:18:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000200)={0x14, r2, 0x5}, 0x14}}, 0x48085) [ 547.109648] nbd: must specify a size in bytes for the device [ 547.135605] nbd: must specify a size in bytes for the device 11:18:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) 11:18:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_open_dev$sndctrl(&(0x7f0000000000), 0x8, 0x8001) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)={0x98, 0x0, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xa54}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '*:--}\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x98}, 0x1, 0x0, 0x0, 0x80080}, 0x20000080) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$sndctrl(&(0x7f0000000000), 0x8, 0x8001) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)={0x98, 0x0, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xa54}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '*:--}\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x98}, 0x1, 0x0, 0x0, 0x80080}, 0x20000080) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) [ 547.161392] nla_parse: 57 callbacks suppressed [ 547.161401] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 547.205668] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 11:18:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 11:18:19 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}]}, 0x40}}, 0x0) 11:18:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) 11:18:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000200)={0x14, r2, 0x5}, 0x14}}, 0x48085) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000200)={0x14, r2, 0x5}, 0x14}}, 0x48085) (async) [ 547.260925] nbd: must specify a size in bytes for the device [ 547.297351] nbd: must specify a size in bytes for the device 11:18:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_open_dev$sndctrl(&(0x7f0000000000), 0x8, 0x8001) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)={0x98, 0x0, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xa54}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '*:--}\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x98}, 0x1, 0x0, 0x0, 0x80080}, 0x20000080) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$sndctrl(&(0x7f0000000000), 0x8, 0x8001) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)={0x98, 0x0, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xa54}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '*:--}\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x98}, 0x1, 0x0, 0x0, 0x80080}, 0x20000080) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) [ 547.326320] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 547.348323] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 11:18:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) 11:18:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 11:18:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}]}]}, 0x40}}, 0x0) 11:18:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}]}, 0x40}}, 0x0) 11:18:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x40080, 0x0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) r4 = openat$full(0xffffffffffffff9c, &(0x7f0000000080), 0x80000, 0x0) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="e0010000", @ANYRES16=0x0, @ANYBLOB="8ae1b1f29a91a39982e6e002aed53bc743144a7b06a05001306c796690cef5ec80d7c8372fb2ce5f9f616c43d1c579041dfddfd9d6555046b2d7ae447b975d8f6e24f42871a78b010eb985e35ce2a342fa5543f9d11d643053db9177bd86db7a61871fa6253430dd6e43db9678d209ed527cb76d3d4f48ab42b7340010fbcd71d74e0e1a990d78baffcc08dc2020895df862278f1311d411c15880cc", @ANYRES32=r5, @ANYBLOB="0c00040003000000000000000c00080001000000000000000c00050002000000000000000c00060001000000000000005400078008000100", @ANYRES32=r3, @ANYBLOB="03000100", @ANYRES32, @ANYBLOB="cffd0100", @ANYRES32, @ANYBLOB="01000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="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"], 0x1e0}, 0x1, 0x0, 0x0, 0x4015}, 0x0) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r6, @ANYBLOB="0500000000000000f7ffffff0000040007d4"], 0x18}}, 0x0) 11:18:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) [ 547.459506] nbd: must specify a size in bytes for the device 11:18:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) 11:18:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) [ 547.520874] nbd: must specify a size in bytes for the device [ 547.571370] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 547.593401] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 11:18:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x40080, 0x0) (async) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) (async) r4 = openat$full(0xffffffffffffff9c, &(0x7f0000000080), 0x80000, 0x0) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="e0010000", @ANYRES16=0x0, @ANYBLOB="8ae1b1f29a91a39982e6e002aed53bc743144a7b06a05001306c796690cef5ec80d7c8372fb2ce5f9f616c43d1c579041dfddfd9d6555046b2d7ae447b975d8f6e24f42871a78b010eb985e35ce2a342fa5543f9d11d643053db9177bd86db7a61871fa6253430dd6e43db9678d209ed527cb76d3d4f48ab42b7340010fbcd71d74e0e1a990d78baffcc08dc2020895df862278f1311d411c15880cc", @ANYRES32=r5, @ANYBLOB="0c00040003000000000000000c00080001000000000000000c00050002000000000000000c00060001000000000000005400078008000100", @ANYRES32=r3, @ANYBLOB="03000100", @ANYRES32, @ANYBLOB="cffd0100", @ANYRES32, @ANYBLOB="01000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="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"], 0x1e0}, 0x1, 0x0, 0x0, 0x4015}, 0x0) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r6, @ANYBLOB="0500000000000000f7ffffff0000040007d4"], 0x18}}, 0x0) 11:18:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x0) 11:18:19 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:19 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:19 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}]}, 0x40}}, 0x0) 11:18:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) (rerun: 32) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) [ 547.663335] nbd: must specify a size in bytes for the device 11:18:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x0) 11:18:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x40080, 0x0) (async) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) (async) r4 = openat$full(0xffffffffffffff9c, &(0x7f0000000080), 0x80000, 0x0) (async) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="e0010000", @ANYRES16=0x0, @ANYBLOB="8ae1b1f29a91a39982e6e002aed53bc743144a7b06a05001306c796690cef5ec80d7c8372fb2ce5f9f616c43d1c579041dfddfd9d6555046b2d7ae447b975d8f6e24f42871a78b010eb985e35ce2a342fa5543f9d11d643053db9177bd86db7a61871fa6253430dd6e43db9678d209ed527cb76d3d4f48ab42b7340010fbcd71d74e0e1a990d78baffcc08dc2020895df862278f1311d411c15880cc", @ANYRES32=r5, @ANYBLOB="0c00040003000000000000000c00080001000000000000000c00050002000000000000000c00060001000000000000005400078008000100", @ANYRES32=r3, @ANYBLOB="03000100", @ANYRES32, @ANYBLOB="cffd0100", @ANYRES32, @ANYBLOB="01000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="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"], 0x1e0}, 0x1, 0x0, 0x0, 0x4015}, 0x0) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r6, @ANYBLOB="0500000000000000f7ffffff0000040007d4"], 0x18}}, 0x0) [ 547.805467] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 547.837725] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 11:18:19 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:19 executing program 4: syz_init_net_socket$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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}]}]}, 0x40}}, 0x0) 11:18:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x0) 11:18:19 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) 11:18:20 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(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) [ 548.020920] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 548.038226] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 11:18:20 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 11:18:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) [ 548.100476] nbd: must specify a size in bytes for the device 11:18:20 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="000100e80c0c000780000000ffff00000000"], 0x18}}, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz0\x00', 0x200002, 0x0) 11:18:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) 11:18:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="000100e80c0c000780000000ffff00000000"], 0x18}}, 0x0) (async) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz0\x00', 0x200002, 0x0) 11:18:20 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) [ 548.203274] nbd: must specify a size in bytes for the device 11:18:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="000100e80c0c000780000000ffff00000000"], 0x18}}, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz0\x00', 0x200002, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="000100e80c0c000780000000ffff00000000"], 0x18}}, 0x0) (async) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz0\x00', 0x200002, 0x0) (async) [ 548.275548] nbd: must specify a size in bytes for the device 11:18:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) 11:18:20 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(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r6, 0x4, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x40}, 0x1, 0x0, 0x0, 0x44040}, 0x20000080) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:20 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) [ 548.407297] nbd: must specify a size in bytes for the device 11:18:20 executing program 0: sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, 0x140b, 0x400, 0x70bd2a, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8}, @RDMA_NLDEV_ATTR_RES_CM_IDN={0x8, 0x3f, 0x5}, @RDMA_NLDEV_ATTR_RES_CM_IDN={0x8, 0x3f, 0x3}, @RDMA_NLDEV_ATTR_RES_CM_IDN={0x8, 0x3f, 0x2}, @RDMA_NLDEV_ATTR_RES_CM_IDN={0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x91}, 0x10005) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:20 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(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x0) 11:18:20 executing program 0: sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, 0x140b, 0x400, 0x70bd2a, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8}, @RDMA_NLDEV_ATTR_RES_CM_IDN={0x8, 0x3f, 0x5}, @RDMA_NLDEV_ATTR_RES_CM_IDN={0x8, 0x3f, 0x3}, @RDMA_NLDEV_ATTR_RES_CM_IDN={0x8, 0x3f, 0x2}, @RDMA_NLDEV_ATTR_RES_CM_IDN={0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x91}, 0x10005) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, 0x140b, 0x400, 0x70bd2a, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8}, @RDMA_NLDEV_ATTR_RES_CM_IDN={0x8, 0x3f, 0x5}, @RDMA_NLDEV_ATTR_RES_CM_IDN={0x8, 0x3f, 0x3}, @RDMA_NLDEV_ATTR_RES_CM_IDN={0x8, 0x3f, 0x2}, @RDMA_NLDEV_ATTR_RES_CM_IDN={0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x91}, 0x10005) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) [ 548.488215] nbd: must specify a size in bytes for the device 11:18:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:20 executing program 5: syz_init_net_socket$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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x0) 11:18:20 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$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r6, 0x4, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x40}, 0x1, 0x0, 0x0, 0x44040}, 0x20000080) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r6, 0x4, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x40}, 0x1, 0x0, 0x0, 0x44040}, 0x20000080) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 11:18:20 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) [ 548.597839] nbd: must specify a size in bytes for the device [ 548.615858] nbd: must specify a size in bytes for the device [ 548.632384] nbd: must specify a size in bytes for the device 11:18:20 executing program 0: sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, 0x140b, 0x400, 0x70bd2a, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8}, @RDMA_NLDEV_ATTR_RES_CM_IDN={0x8, 0x3f, 0x5}, @RDMA_NLDEV_ATTR_RES_CM_IDN={0x8, 0x3f, 0x3}, @RDMA_NLDEV_ATTR_RES_CM_IDN={0x8, 0x3f, 0x2}, @RDMA_NLDEV_ATTR_RES_CM_IDN={0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x91}, 0x10005) (async, rerun: 32) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x0) 11:18:20 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:20 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SIOCX25GCAUSEDIAG(0xffffffffffffffff, 0x89e6, &(0x7f0000000140)={0x5, 0x9}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x400, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9a}]}, 0x44}, 0x1, 0x0, 0x0, 0x800}, 0x40) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) [ 548.794586] nbd: must specify a size in bytes for the device 11:18:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async, rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async, rerun: 32) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r6, 0x4, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x40}, 0x1, 0x0, 0x0, 0x44040}, 0x20000080) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:20 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 11:18:20 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$nbd(0x0, r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SIOCX25GCAUSEDIAG(0xffffffffffffffff, 0x89e6, &(0x7f0000000140)={0x5, 0x9}) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x400, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9a}]}, 0x44}, 0x1, 0x0, 0x0, 0x800}, 0x40) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 548.884520] nbd: must specify a size in bytes for the device 11:18:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:20 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$nbd(0x0, r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) [ 548.963002] nbd: must specify at least one socket 11:18:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 11:18:20 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$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, r2, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x457f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x58}, 0x1, 0x0, 0x0, 0x20008850}, 0x4) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_TSINFO_GET(r4, 0x0, 0x0) sendmsg$L2TP_CMD_TUNNEL_MODIFY(r4, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, 0x0, 0x200, 0x70bd26, 0x25dfdbfe, {}, [@L2TP_ATTR_UDP_DPORT={0x6, 0x1b, 0x4e20}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4800}, 0x11) 11:18:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) [ 549.055911] nbd: must specify a size in bytes for the device [ 549.064773] nbd: must specify at least one socket [ 549.073906] nbd: couldn't find device at index 2 11:18:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SIOCX25GCAUSEDIAG(0xffffffffffffffff, 0x89e6, &(0x7f0000000140)={0x5, 0x9}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x400, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9a}]}, 0x44}, 0x1, 0x0, 0x0, 0x800}, 0x40) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$SIOCX25GCAUSEDIAG(0xffffffffffffffff, 0x89e6, &(0x7f0000000140)={0x5, 0x9}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x400, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9a}]}, 0x44}, 0x1, 0x0, 0x0, 0x800}, 0x40) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 11:18:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, r2, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x457f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x58}, 0x1, 0x0, 0x0, 0x20008850}, 0x4) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) r4 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_TSINFO_GET(r4, 0x0, 0x0) (async) sendmsg$L2TP_CMD_TUNNEL_MODIFY(r4, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, 0x0, 0x200, 0x70bd26, 0x25dfdbfe, {}, [@L2TP_ATTR_UDP_DPORT={0x6, 0x1b, 0x4e20}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4800}, 0x11) [ 549.101318] nbd: must specify a size in bytes for the device 11:18:21 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) [ 549.184326] nbd: must specify at least one socket [ 549.193238] nbd: must specify a size in bytes for the device [ 549.217743] nbd: couldn't find device at index 2 11:18:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) [ 549.229350] nbd: must specify a size in bytes for the device 11:18:21 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$nbd(&(0x7f0000000180), r0) r3 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000040), 0xffffffffffffffff) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x15, &(0x7f0000000080)={@mcast1, 0x0}, &(0x7f00000000c0)=0x14) sendmsg$ETHTOOL_MSG_RINGS_GET(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40400100}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x58, r3, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bridge_slave_1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}]}]}, 0x58}, 0x1, 0x0, 0x0, 0x40000}, 0x800) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r5) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r7, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) r8 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$RDMA_NLDEV_CMD_GET_CHARDEV(r8, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) sendmsg$RDMA_NLDEV_CMD_STAT_DEL(r8, &(0x7f00000004c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x28, 0x1412, 0x4, 0x70bd28, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x3}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x3}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x3}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000005}, 0x8040) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x14, r7, 0x1, 0x70bd29, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x20008080) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:21 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:21 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$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, r2, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x457f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x58}, 0x1, 0x0, 0x0, 0x20008850}, 0x4) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_TSINFO_GET(r4, 0x0, 0x0) sendmsg$L2TP_CMD_TUNNEL_MODIFY(r4, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, 0x0, 0x200, 0x70bd26, 0x25dfdbfe, {}, [@L2TP_ATTR_UDP_DPORT={0x6, 0x1b, 0x4e20}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4800}, 0x11) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, r2, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x457f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x58}, 0x1, 0x0, 0x0, 0x20008850}, 0x4) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$ETHTOOL_MSG_TSINFO_GET(r4, 0x0, 0x0) (async) sendmsg$L2TP_CMD_TUNNEL_MODIFY(r4, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, 0x0, 0x200, 0x70bd26, 0x25dfdbfe, {}, [@L2TP_ATTR_UDP_DPORT={0x6, 0x1b, 0x4e20}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4800}, 0x11) (async) 11:18:21 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) 11:18:21 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:21 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) [ 549.422325] nbd: couldn't find device at index 2 11:18:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:21 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$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 11:18:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) [ 549.487799] nbd: must specify a size in bytes for the device [ 549.567928] nbd: must specify at least one socket 11:18:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r2) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x30, r6, 0x5, 0x0, 0xfffffffe, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}]}]}, 0x30}}, 0x20000000) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) 11:18:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) [ 549.592710] nbd: must specify a size in bytes for the device 11:18:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000040), 0xffffffffffffffff) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x15, &(0x7f0000000080)={@mcast1, 0x0}, &(0x7f00000000c0)=0x14) sendmsg$ETHTOOL_MSG_RINGS_GET(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40400100}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x58, r3, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bridge_slave_1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}]}]}, 0x58}, 0x1, 0x0, 0x0, 0x40000}, 0x800) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r5) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r7, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) r8 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$RDMA_NLDEV_CMD_GET_CHARDEV(r8, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) (async) sendmsg$RDMA_NLDEV_CMD_STAT_DEL(r8, &(0x7f00000004c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x28, 0x1412, 0x4, 0x70bd28, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x3}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x3}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x3}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000005}, 0x8040) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x14, r7, 0x1, 0x70bd29, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x20008080) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:21 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 11:18:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) [ 549.744272] nbd: must specify at least one socket 11:18:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 11:18:21 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$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r2) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x30, r6, 0x5, 0x0, 0xfffffffe, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}]}]}, 0x30}}, 0x20000000) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r2) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x30, r6, 0x5, 0x0, 0xfffffffe, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}]}]}, 0x30}}, 0x20000000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) (async) 11:18:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 11:18:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) r3 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000040), 0xffffffffffffffff) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x15, &(0x7f0000000080)={@mcast1, 0x0}, &(0x7f00000000c0)=0x14) sendmsg$ETHTOOL_MSG_RINGS_GET(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40400100}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x58, r3, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bridge_slave_1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}]}]}, 0x58}, 0x1, 0x0, 0x0, 0x40000}, 0x800) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r5) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r7, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async) r8 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$RDMA_NLDEV_CMD_GET_CHARDEV(r8, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) sendmsg$RDMA_NLDEV_CMD_STAT_DEL(r8, &(0x7f00000004c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x28, 0x1412, 0x4, 0x70bd28, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x3}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x3}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x3}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000005}, 0x8040) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x14, r7, 0x1, 0x70bd29, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x20008080) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 549.826073] nbd: must specify a size in bytes for the device 11:18:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) [ 549.915800] nbd: must specify a size in bytes for the device [ 549.923630] nbd: must specify at least one socket 11:18:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 11:18:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r2) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x30, r6, 0x5, 0x0, 0xfffffffe, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}]}]}, 0x30}}, 0x20000000) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) 11:18:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) [ 550.068679] nbd: must specify at least one socket 11:18:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:22 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$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r2, 0x100, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20040001}, 0x24000010) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r4 = socket$phonet(0x23, 0x2, 0x1) ioctl$SIOCPNGETOBJECT(r4, 0x89e0, &(0x7f00000009c0)) ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000000)={'vcan0\x00'}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000380)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x54, r2, 0x20, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fffffff}]}, 0x54}, 0x1, 0x0, 0x0, 0x4}, 0x4008000) 11:18:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r1, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:22 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x4000080) 11:18:22 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$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) 11:18:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) 11:18:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x4000080) 11:18:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 11:18:22 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) [ 550.357714] nbd: must specify a size in bytes for the device 11:18:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) 11:18:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r2, 0x100, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20040001}, 0x24000010) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) r4 = socket$phonet(0x23, 0x2, 0x1) ioctl$SIOCPNGETOBJECT(r4, 0x89e0, &(0x7f00000009c0)) (async, rerun: 32) ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000000)={'vcan0\x00'}) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000380)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x54, r2, 0x20, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fffffff}]}, 0x54}, 0x1, 0x0, 0x0, 0x4}, 0x4008000) 11:18:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 11:18:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) 11:18:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) 11:18:22 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 11:18:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x4000080) [ 550.570628] nbd: must specify a size in bytes for the device 11:18:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x0) 11:18:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 11:18:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = bpf$ITER_CREATE(0x21, &(0x7f0000000100), 0x8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) r4 = openat$full(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000580)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x80, 0x0, 0x400, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\'\xea,^\\&}+'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x80}, 0x1, 0x0, 0x0, 0x400c0}, 0x840) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="ffb199d9", @ANYRES16=r5, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x1f0, 0x0, 0x400, 0x70bd2a, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_WANTED={0xbc, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_MASK={0x42, 0x5, "0ee3cecd9c1db96caaaeb4f8730a54f6ee3b0647f107a8ab45d43f72de6b1df16c72f1d7f88cf128ffb5b71e2a74972d43c7bf6669ba9cfea2bbad1447eb"}, @ETHTOOL_A_BITSET_MASK={0x6c, 0x5, "4efaeba4e4ce774e6985e48d7904a6394a9a2c4e7c7fce0a7203505653e9651270a2dba0ac376f9fbfaa8125a1be7d45ebe1efe1fd1c77fbd95fcc118c15bf008afb11c88d5d70351a174aa2ea5ad20cb520b207944b40db8954bc9f34707b6d2ee4061bb0c9b98b"}, @ETHTOOL_A_BITSET_SIZE={0x8}]}, @ETHTOOL_A_FEATURES_WANTED={0x120, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_MASK={0xc, 0x5, "d12fdf13e3a77e81"}, @ETHTOOL_A_BITSET_BITS={0x8, 0x3, 0x0, 0x1, [{0x4}]}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0xfff}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x100}, @ETHTOOL_A_BITSET_MASK={0xf6, 0x5, "e4f15d24ec12b3448b72d961f5127ba76fb2cc096743ce654a2081f4ef43005186d0341e58c700acfd5febc649976ae4e078c3336e3e920f6e9ae13ebb1c1c5ee0e611839abb398581ac45a7cbc89ac27ec286bfec542a05391e1f23b3986a41d21c95e7f9e33cfa6037d5966c991b5830966dd0bb2f30a4e93a617394f8c29a77fe9faf28c79849ff869508cde5a257fcf8ccbb648abd05cb475fb6009c8f3757a5ef8d2fef349e4337399119afb3df8e60ba5388eb03ce40d8083314465874e28393cf4dfccc93b8f3be513eda3d7056f589306c037d5e1d7a85b005d3e3ccabf1f989158a8553aecb569fa63cfc018206"}]}]}, 0x1f0}, 0x1, 0x0, 0x0, 0x40000}, 0x24000001) 11:18:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r2, 0x100, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20040001}, 0x24000010) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r4 = socket$phonet(0x23, 0x2, 0x1) ioctl$SIOCPNGETOBJECT(r4, 0x89e0, &(0x7f00000009c0)) ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000000)={'vcan0\x00'}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000380)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x54, r2, 0x20, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fffffff}]}, 0x54}, 0x1, 0x0, 0x0, 0x4}, 0x4008000) [ 550.659001] nbd: must specify a size in bytes for the device 11:18:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = bpf$ITER_CREATE(0x21, &(0x7f0000000100), 0x8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) (async, rerun: 64) r4 = openat$full(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000580)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x80, 0x0, 0x400, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\'\xea,^\\&}+'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x80}, 0x1, 0x0, 0x0, 0x400c0}, 0x840) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="ffb199d9", @ANYRES16=r5, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) (async, rerun: 32) sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x1f0, 0x0, 0x400, 0x70bd2a, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_WANTED={0xbc, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_MASK={0x42, 0x5, "0ee3cecd9c1db96caaaeb4f8730a54f6ee3b0647f107a8ab45d43f72de6b1df16c72f1d7f88cf128ffb5b71e2a74972d43c7bf6669ba9cfea2bbad1447eb"}, @ETHTOOL_A_BITSET_MASK={0x6c, 0x5, "4efaeba4e4ce774e6985e48d7904a6394a9a2c4e7c7fce0a7203505653e9651270a2dba0ac376f9fbfaa8125a1be7d45ebe1efe1fd1c77fbd95fcc118c15bf008afb11c88d5d70351a174aa2ea5ad20cb520b207944b40db8954bc9f34707b6d2ee4061bb0c9b98b"}, @ETHTOOL_A_BITSET_SIZE={0x8}]}, @ETHTOOL_A_FEATURES_WANTED={0x120, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_MASK={0xc, 0x5, "d12fdf13e3a77e81"}, @ETHTOOL_A_BITSET_BITS={0x8, 0x3, 0x0, 0x1, [{0x4}]}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0xfff}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x100}, @ETHTOOL_A_BITSET_MASK={0xf6, 0x5, "e4f15d24ec12b3448b72d961f5127ba76fb2cc096743ce654a2081f4ef43005186d0341e58c700acfd5febc649976ae4e078c3336e3e920f6e9ae13ebb1c1c5ee0e611839abb398581ac45a7cbc89ac27ec286bfec542a05391e1f23b3986a41d21c95e7f9e33cfa6037d5966c991b5830966dd0bb2f30a4e93a617394f8c29a77fe9faf28c79849ff869508cde5a257fcf8ccbb648abd05cb475fb6009c8f3757a5ef8d2fef349e4337399119afb3df8e60ba5388eb03ce40d8083314465874e28393cf4dfccc93b8f3be513eda3d7056f589306c037d5e1d7a85b005d3e3ccabf1f989158a8553aecb569fa63cfc018206"}]}]}, 0x1f0}, 0x1, 0x0, 0x0, 0x40000}, 0x24000001) (rerun: 32) 11:18:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:22 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 11:18:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x0) 11:18:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="3336fa06", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, r4, 0x800, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x96}, @NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '#*&+{),'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24000080}, 0x20040004) 11:18:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x0) 11:18:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) 11:18:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = bpf$ITER_CREATE(0x21, &(0x7f0000000100), 0x8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) (async) r4 = openat$full(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000580)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x80, 0x0, 0x400, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\'\xea,^\\&}+'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x80}, 0x1, 0x0, 0x0, 0x400c0}, 0x840) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="ffb199d9", @ANYRES16=r5, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) (async) sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000040)={&(0x7f00000002c0)={0x1f0, 0x0, 0x400, 0x70bd2a, 0x25dfdbfc, {}, [@ETHTOOL_A_FEATURES_WANTED={0xbc, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_MASK={0x42, 0x5, "0ee3cecd9c1db96caaaeb4f8730a54f6ee3b0647f107a8ab45d43f72de6b1df16c72f1d7f88cf128ffb5b71e2a74972d43c7bf6669ba9cfea2bbad1447eb"}, @ETHTOOL_A_BITSET_MASK={0x6c, 0x5, "4efaeba4e4ce774e6985e48d7904a6394a9a2c4e7c7fce0a7203505653e9651270a2dba0ac376f9fbfaa8125a1be7d45ebe1efe1fd1c77fbd95fcc118c15bf008afb11c88d5d70351a174aa2ea5ad20cb520b207944b40db8954bc9f34707b6d2ee4061bb0c9b98b"}, @ETHTOOL_A_BITSET_SIZE={0x8}]}, @ETHTOOL_A_FEATURES_WANTED={0x120, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_MASK={0xc, 0x5, "d12fdf13e3a77e81"}, @ETHTOOL_A_BITSET_BITS={0x8, 0x3, 0x0, 0x1, [{0x4}]}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0xfff}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x100}, @ETHTOOL_A_BITSET_MASK={0xf6, 0x5, "e4f15d24ec12b3448b72d961f5127ba76fb2cc096743ce654a2081f4ef43005186d0341e58c700acfd5febc649976ae4e078c3336e3e920f6e9ae13ebb1c1c5ee0e611839abb398581ac45a7cbc89ac27ec286bfec542a05391e1f23b3986a41d21c95e7f9e33cfa6037d5966c991b5830966dd0bb2f30a4e93a617394f8c29a77fe9faf28c79849ff869508cde5a257fcf8ccbb648abd05cb475fb6009c8f3757a5ef8d2fef349e4337399119afb3df8e60ba5388eb03ce40d8083314465874e28393cf4dfccc93b8f3be513eda3d7056f589306c037d5e1d7a85b005d3e3ccabf1f989158a8553aecb569fa63cfc018206"}]}]}, 0x1f0}, 0x1, 0x0, 0x0, 0x40000}, 0x24000001) 11:18:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:22 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x34}}, 0x0) 11:18:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) 11:18:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="3336fa06", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, r4, 0x800, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x96}, @NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '#*&+{),'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24000080}, 0x20040004) 11:18:23 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$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) 11:18:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 11:18:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:23 executing program 2: r0 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$RDMA_NLDEV_CMD_RES_PD_GET(r0, &(0x7f0000000140)={&(0x7f0000000040), 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, 0x140e, 0xb04, 0x70bd29, 0x25dfdbfb, "", [@RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @RDMA_NLDEV_ATTR_RES_PDN={0x8, 0x3c, 0x4}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x4}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0xfffffffffffffe49}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_RES_PDN={0x8, 0x3c, 0x1}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x3}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x800}, 0x10084) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[], 0x18}}, 0x80) 11:18:23 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$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x0) 11:18:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="3336fa06", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, r4, 0x800, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x96}, @NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '#*&+{),'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24000080}, 0x20040004) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="3336fa06", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, r4, 0x800, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x96}, @NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '#*&+{),'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24000080}, 0x20040004) (async) 11:18:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) 11:18:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:23 executing program 2: r0 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$RDMA_NLDEV_CMD_RES_PD_GET(r0, &(0x7f0000000140)={&(0x7f0000000040), 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, 0x140e, 0xb04, 0x70bd29, 0x25dfdbfb, "", [@RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @RDMA_NLDEV_ATTR_RES_PDN={0x8, 0x3c, 0x4}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x4}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0xfffffffffffffe49}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_RES_PDN={0x8, 0x3c, 0x1}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x3}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x800}, 0x10084) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[], 0x18}}, 0x80) 11:18:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 11:18:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x0) 11:18:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f0000000080)='ns/uts\x00') sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:23 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$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) 11:18:23 executing program 2: r0 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$RDMA_NLDEV_CMD_RES_PD_GET(r0, &(0x7f0000000140)={&(0x7f0000000040), 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, 0x140e, 0xb04, 0x70bd29, 0x25dfdbfb, "", [@RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @RDMA_NLDEV_ATTR_RES_PDN={0x8, 0x3c, 0x4}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x4}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0xfffffffffffffe49}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_RES_PDN={0x8, 0x3c, 0x1}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x3}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x800}, 0x10084) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[], 0x18}}, 0x80) 11:18:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 11:18:23 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$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x0) 11:18:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x50) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) 11:18:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f0000000080)='ns/uts\x00') sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 551.382404] nbd: must specify a size in bytes for the device 11:18:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f0000000080)='ns/uts\x00') (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x34}}, 0x0) 11:18:23 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$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) [ 551.499862] nbd: must specify a size in bytes for the device 11:18:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 11:18:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x50) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) 11:18:23 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$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 551.549499] nbd: must specify a size in bytes for the device 11:18:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) 11:18:23 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$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x34}}, 0x0) [ 551.610054] nbd: must specify at least one socket 11:18:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 11:18:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x50) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async, rerun: 32) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (async, rerun: 32) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) 11:18:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x34}}, 0x0) 11:18:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 551.650674] nbd: must specify a size in bytes for the device [ 551.679300] nbd: must specify a size in bytes for the device 11:18:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) 11:18:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) [ 551.717240] nbd: must specify at least one socket 11:18:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 551.761571] nbd: must specify a size in bytes for the device [ 551.789375] nbd: must specify a size in bytes for the device 11:18:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) 11:18:23 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$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x34}}, 0x0) 11:18:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) [ 551.815231] nbd: must specify at least one socket 11:18:23 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$ethtool(&(0x7f0000000200), 0xffffffffffffffff) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000640), 0x141000, 0x0) syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x34}}, 0x0) 11:18:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x2c}}, 0x0) 11:18:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) read$proc_mixer(0xffffffffffffffff, &(0x7f0000000000)=""/243, 0xf3) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) sendmsg$L2TP_CMD_SESSION_CREATE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000140)={&(0x7f00000002c0)={0x6c, 0x0, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@L2TP_ATTR_IP_DADDR={0x8, 0x19, @broadcast}, @L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @empty}, @L2TP_ATTR_VLAN_ID={0x6, 0xe, 0x8000}, @L2TP_ATTR_L2SPEC_TYPE={0x5, 0x5, 0x3}, @L2TP_ATTR_RECV_SEQ={0x5, 0x12, 0x7}, @L2TP_ATTR_MTU={0x6}, @L2TP_ATTR_COOKIE={0xc, 0xf, 0xcb000000000000}, @L2TP_ATTR_PROTO_VERSION={0x5, 0x7, 0x2}, @L2TP_ATTR_PW_TYPE={0x6, 0x1, 0x7}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4000000}, 0x40000) [ 551.912657] nbd: must specify a size in bytes for the device 11:18:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x34}}, 0x0) 11:18:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) 11:18:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x2c}}, 0x0) 11:18:23 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$ethtool(&(0x7f0000000200), 0xffffffffffffffff) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000640), 0x141000, 0x0) syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000200), 0xffffffffffffffff) (async) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000640), 0x141000, 0x0) (async) syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) [ 551.985612] nbd: must specify a size in bytes for the device [ 552.006744] nbd: must specify a size in bytes for the device 11:18:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) read$proc_mixer(0xffffffffffffffff, &(0x7f0000000000)=""/243, 0xf3) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) sendmsg$L2TP_CMD_SESSION_CREATE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000140)={&(0x7f00000002c0)={0x6c, 0x0, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@L2TP_ATTR_IP_DADDR={0x8, 0x19, @broadcast}, @L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @empty}, @L2TP_ATTR_VLAN_ID={0x6, 0xe, 0x8000}, @L2TP_ATTR_L2SPEC_TYPE={0x5, 0x5, 0x3}, @L2TP_ATTR_RECV_SEQ={0x5, 0x12, 0x7}, @L2TP_ATTR_MTU={0x6}, @L2TP_ATTR_COOKIE={0xc, 0xf, 0xcb000000000000}, @L2TP_ATTR_PROTO_VERSION={0x5, 0x7, 0x2}, @L2TP_ATTR_PW_TYPE={0x6, 0x1, 0x7}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4000000}, 0x40000) 11:18:24 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$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 11:18:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x34}}, 0x0) 11:18:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) 11:18:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x2c}}, 0x0) 11:18:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) read$proc_mixer(0xffffffffffffffff, &(0x7f0000000000)=""/243, 0xf3) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async, rerun: 32) sendmsg$L2TP_CMD_SESSION_CREATE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000140)={&(0x7f00000002c0)={0x6c, 0x0, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@L2TP_ATTR_IP_DADDR={0x8, 0x19, @broadcast}, @L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @empty}, @L2TP_ATTR_VLAN_ID={0x6, 0xe, 0x8000}, @L2TP_ATTR_L2SPEC_TYPE={0x5, 0x5, 0x3}, @L2TP_ATTR_RECV_SEQ={0x5, 0x12, 0x7}, @L2TP_ATTR_MTU={0x6}, @L2TP_ATTR_COOKIE={0xc, 0xf, 0xcb000000000000}, @L2TP_ATTR_PROTO_VERSION={0x5, 0x7, 0x2}, @L2TP_ATTR_PW_TYPE={0x6, 0x1, 0x7}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4000000}, 0x40000) (rerun: 32) [ 552.156954] nbd: must specify at least one socket [ 552.162837] nbd: must specify a size in bytes for the device [ 552.169602] nbd: must specify a size in bytes for the device [ 552.186678] nla_parse: 76 callbacks suppressed [ 552.186687] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 11:18:24 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$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 11:18:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x2c}}, 0x0) [ 552.209013] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 552.225586] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 552.244610] nbd: must specify a size in bytes for the device 11:18:24 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x28}}, 0x0) [ 552.257704] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 11:18:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x20, r2, 0x5, 0x4, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x8880}, 0x0) 11:18:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000200), 0xffffffffffffffff) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000640), 0x141000, 0x0) syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000200), 0xffffffffffffffff) (async) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000640), 0x141000, 0x0) (async) syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) [ 552.352082] nbd: must specify a size in bytes for the device [ 552.364501] nbd: must specify at least one socket 11:18:24 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$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0) 11:18:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x28}}, 0x0) [ 552.410939] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 552.446645] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 11:18:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x2c}}, 0x0) [ 552.468228] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 11:18:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) [ 552.534113] nbd: must specify a size in bytes for the device [ 552.542261] nbd: must specify a size in bytes for the device [ 552.557632] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 552.578710] nbd: must specify at least one socket 11:18:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async, rerun: 32) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (rerun: 32) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x20, r2, 0x5, 0x4, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x8880}, 0x0) 11:18:24 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(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="0500000000000000f3ff0100000004000780"], 0x18}}, 0x0) [ 552.588130] nbd: must specify a size in bytes for the device 11:18:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) 11:18:24 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x28}}, 0x0) 11:18:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x2c}}, 0x0) [ 552.631410] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 552.681694] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 11:18:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:24 executing program 2: syz_init_net_socket$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$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="0500000000000000f3ff0100000004000780"], 0x18}}, 0x0) [ 552.728305] nbd: must specify a size in bytes for the device [ 552.743017] nbd: must specify a size in bytes for the device 11:18:24 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$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) 11:18:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 11:18:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x20, r2, 0x5, 0x4, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x8880}, 0x0) 11:18:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x28}}, 0x0) [ 552.817907] nbd: must specify a size in bytes for the device 11:18:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x2c}}, 0x0) 11:18:24 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="0500000000000000f3ff0100000004000780"], 0x18}}, 0x0) 11:18:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) 11:18:24 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x40001, 0x0) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r8) r9 = bpf$ITER_CREATE(0x21, &(0x7f0000000140), 0x8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) r11 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r11) r12 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r12) r13 = bpf$ITER_CREATE(0x21, &(0x7f00000002c0), 0x8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff}) r15 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r15) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000004c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000340)={0x11c, r5, 0x2, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8, 0x1, r11}, {0x8}, {0x8, 0x1, r12}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8}, {0x8, 0x1, r15}, {0x8}, {0x8}, {0x8}]}]}, 0x11c}, 0x1, 0x0, 0x0, 0x50}, 0x200c0) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) 11:18:24 executing program 2: r0 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r0) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r0, 0xc0502100, &(0x7f0000000000)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x28}}, 0x0) 11:18:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) 11:18:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 11:18:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:25 executing program 2: r0 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r0) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r0, 0xc0502100, &(0x7f0000000000)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r0) (async) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r0, 0xc0502100, &(0x7f0000000000)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) [ 553.100344] nbd: must specify a size in bytes for the device [ 553.129641] nbd: must specify a size in bytes for the device [ 553.138503] nbd: must specify a size in bytes for the device 11:18:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x28}}, 0x0) 11:18:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 11:18:25 executing program 2: r0 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r0) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r0, 0xc0502100, &(0x7f0000000000)) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x40001, 0x0) (async) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) (async) r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r8) (async) r9 = bpf$ITER_CREATE(0x21, &(0x7f0000000140), 0x8) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) (async) r11 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r11) r12 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r12) (async, rerun: 64) r13 = bpf$ITER_CREATE(0x21, &(0x7f00000002c0), 0x8) (rerun: 64) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff}) (async) r15 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r15) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000004c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000340)={0x11c, r5, 0x2, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8, 0x1, r11}, {0x8}, {0x8, 0x1, r12}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8}, {0x8, 0x1, r15}, {0x8}, {0x8}, {0x8}]}]}, 0x11c}, 0x1, 0x0, 0x0, 0x50}, 0x200c0) (async, rerun: 32) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) 11:18:25 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$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x34}}, 0x0) 11:18:25 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$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:25 executing program 2: syz_init_net_socket$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) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0500000000000000000001008a27f1b248d06187000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x850}, 0x0) [ 553.494120] nbd: must specify a size in bytes for the device [ 553.500178] nbd: must specify a size in bytes for the device 11:18:25 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1) (async, rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0500000000000000000001008a27f1b248d06187000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x850}, 0x0) [ 553.563433] nbd: must specify at least one socket 11:18:25 executing program 1: syz_init_net_socket$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) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0500000000000000000001008a27f1b248d06187000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x850}, 0x0) 11:18:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x34}}, 0x0) 11:18:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (rerun: 64) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x40001, 0x0) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r8) (async, rerun: 64) r9 = bpf$ITER_CREATE(0x21, &(0x7f0000000140), 0x8) (async, rerun: 64) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) (async, rerun: 64) r11 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (rerun: 64) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r11) (async, rerun: 64) r12 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (rerun: 64) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r12) r13 = bpf$ITER_CREATE(0x21, &(0x7f00000002c0), 0x8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff}) (async) r15 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r15) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000004c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000340)={0x11c, r5, 0x2, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8, 0x1, r11}, {0x8}, {0x8, 0x1, r12}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8}, {0x8, 0x1, r15}, {0x8}, {0x8}, {0x8}]}]}, 0x11c}, 0x1, 0x0, 0x0, 0x50}, 0x200c0) (async, rerun: 64) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) (async, rerun: 64) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) 11:18:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:25 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 11:18:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:25 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 11:18:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) [ 553.901764] nbd: must specify a size in bytes for the device [ 553.930093] nbd: must specify a size in bytes for the device 11:18:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) [ 553.960915] nbd: must specify at least one socket 11:18:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="051a00000000000000000100000004009ace"], 0x18}}, 0x0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000140), 0x10002, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r4) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r2, 0x2, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}]}, 0x40}, 0x1, 0x0, 0x0, 0x810}, 0x0) 11:18:25 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 11:18:26 executing program 2: syz_init_net_socket$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) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0500000000000000000001008a27f1b248d06187000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x850}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0500000000000000000001008a27f1b248d06187000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x850}, 0x0) (async) 11:18:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) 11:18:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 11:18:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x34}}, 0x0) [ 554.176631] nbd: must specify at least one socket 11:18:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) 11:18:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) [ 554.239741] nbd: must specify at least one socket 11:18:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="051a00000000000000000100000004009ace"], 0x18}}, 0x0) (async) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000140), 0x10002, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r4) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r2, 0x2, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}]}, 0x40}, 0x1, 0x0, 0x0, 0x810}, 0x0) 11:18:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x3c, 0x0, 0x400, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40400f0}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="18000000ce82b122f60b42d50c28ff6a8a78936821645f5706a24a30f22253aef2bf4d314d5221c06c87f8fa67e061e8a06f90cfd0fa987aec03d01db4efaab63b47c6386e73135cb3ad515aa9cb8c2cdd92e6d04f5516146f8944c0c772d41e9943691dfee3792fcca04e316e7e600f11a33f2abea95c94", @ANYRES16=r2, @ANYBLOB="050000000014510b97008100000004000780"], 0x18}}, 0x0) 11:18:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) 11:18:26 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x34}}, 0x0) 11:18:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x34}}, 0x0) 11:18:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x3c, 0x0, 0x400, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40400f0}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="18000000ce82b122f60b42d50c28ff6a8a78936821645f5706a24a30f22253aef2bf4d314d5221c06c87f8fa67e061e8a06f90cfd0fa987aec03d01db4efaab63b47c6386e73135cb3ad515aa9cb8c2cdd92e6d04f5516146f8944c0c772d41e9943691dfee3792fcca04e316e7e600f11a33f2abea95c94", @ANYRES16=r2, @ANYBLOB="050000000014510b97008100000004000780"], 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x3c, 0x0, 0x400, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40400f0}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="18000000ce82b122f60b42d50c28ff6a8a78936821645f5706a24a30f22253aef2bf4d314d5221c06c87f8fa67e061e8a06f90cfd0fa987aec03d01db4efaab63b47c6386e73135cb3ad515aa9cb8c2cdd92e6d04f5516146f8944c0c772d41e9943691dfee3792fcca04e316e7e600f11a33f2abea95c94", @ANYRES16=r2, @ANYBLOB="050000000014510b97008100000004000780"], 0x18}}, 0x0) (async) 11:18:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) 11:18:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) 11:18:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x34}}, 0x0) 11:18:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x34}}, 0x0) 11:18:26 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="051a00000000000000000100000004009ace"], 0x18}}, 0x0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000140), 0x10002, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r4) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r2, 0x2, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}]}, 0x40}, 0x1, 0x0, 0x0, 0x810}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="051a00000000000000000100000004009ace"], 0x18}}, 0x0) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000140), 0x10002, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r4) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) (async) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r2, 0x2, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}]}, 0x40}, 0x1, 0x0, 0x0, 0x810}, 0x0) (async) 11:18:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) 11:18:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x34}}, 0x0) 11:18:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x3c, 0x0, 0x400, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40400f0}, 0x0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="18000000ce82b122f60b42d50c28ff6a8a78936821645f5706a24a30f22253aef2bf4d314d5221c06c87f8fa67e061e8a06f90cfd0fa987aec03d01db4efaab63b47c6386e73135cb3ad515aa9cb8c2cdd92e6d04f5516146f8944c0c772d41e9943691dfee3792fcca04e316e7e600f11a33f2abea95c94", @ANYRES16=r2, @ANYBLOB="050000000014510b97008100000004000780"], 0x18}}, 0x0) 11:18:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) 11:18:26 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) [ 554.525821] nbd: must specify at least one socket 11:18:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x40001, 0x0) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r8) r9 = bpf$ITER_CREATE(0x21, &(0x7f0000000140), 0x8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) r11 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r11) r12 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r12) r13 = bpf$ITER_CREATE(0x21, &(0x7f00000002c0), 0x8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff}) r15 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r15) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000004c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000480)={&(0x7f0000000340)={0x11c, r5, 0x2, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r10}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8, 0x1, r11}, {0x8}, {0x8, 0x1, r12}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8}, {0x8, 0x1, r15}, {0x8}, {0x8}, {0x8}]}]}, 0x11c}, 0x1, 0x0, 0x0, 0x50}, 0x200c0) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) 11:18:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x2c}}, 0x0) 11:18:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x1c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '^{'}]}, 0x1c}}, 0x0) 11:18:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x34}}, 0x0) 11:18:26 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_SET_LINK_PRI(r0, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r1, 0x1, 0x0, 0x0, {{}, {}, {0x4c, 0x18, {0xb4e, @media='ib\x00'}}}}, 0x68}}, 0x0) sendmsg$TIPC_CMD_SET_LINK_TOL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x68, r1, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {}, {0x4c, 0x18, {0x0, @media='udp\x00'}}}, ["", "", "", ""]}, 0x68}, 0x1, 0x0, 0x0, 0x20044800}, 0x4040015) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 554.670787] nbd: must specify at least one socket 11:18:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x2c}}, 0x0) 11:18:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) 11:18:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x1c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '^{'}]}, 0x1c}}, 0x0) 11:18:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x34}}, 0x0) [ 554.692075] nbd: must specify a size in bytes for the device 11:18:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x2c}}, 0x0) 11:18:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x34}}, 0x0) 11:18:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x34}}, 0x0) 11:18:26 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$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x34}}, 0x0) 11:18:26 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_SET_LINK_PRI(r0, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r1, 0x1, 0x0, 0x0, {{}, {}, {0x4c, 0x18, {0xb4e, @media='ib\x00'}}}}, 0x68}}, 0x0) (async) sendmsg$TIPC_CMD_SET_LINK_TOL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x68, r1, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {}, {0x4c, 0x18, {0x0, @media='udp\x00'}}}, ["", "", "", ""]}, 0x68}, 0x1, 0x0, 0x0, 0x20044800}, 0x4040015) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x28}}, 0x0) [ 554.770047] nbd: must specify a size in bytes for the device [ 554.797568] nbd: must specify at least one socket 11:18:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x1c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '^{'}]}, 0x1c}}, 0x0) 11:18:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x28}}, 0x0) 11:18:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x2c}}, 0x0) 11:18:26 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$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) 11:18:26 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_SET_LINK_PRI(r0, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x68, r1, 0x1, 0x0, 0x0, {{}, {}, {0x4c, 0x18, {0xb4e, @media='ib\x00'}}}}, 0x68}}, 0x0) (async) sendmsg$TIPC_CMD_SET_LINK_TOL(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x68, r1, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {}, {0x4c, 0x18, {0x0, @media='udp\x00'}}}, ["", "", "", ""]}, 0x68}, 0x1, 0x0, 0x0, 0x20044800}, 0x4040015) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) [ 554.895434] nbd: must specify a size in bytes for the device [ 554.914985] nbd: must specify a size in bytes for the device [ 554.931012] nbd: must specify at least one socket 11:18:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x2c}}, 0x0) 11:18:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$RDMA_NLDEV_CMD_STAT_SET(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x50, 0x1410, 0x10, 0x70bd29, 0x25dfdbff, "", [@RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x2}, @RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x4}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK={0x8, 0x4c, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_STAT_RES={0x8}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x2}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x5}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000001}, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x28}}, 0x0) [ 554.947823] nbd: must specify a size in bytes for the device 11:18:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x28}}, 0x0) 11:18:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$RDMA_NLDEV_CMD_STAT_SET(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x50, 0x1410, 0x10, 0x70bd29, 0x25dfdbff, "", [@RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x2}, @RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x4}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK={0x8, 0x4c, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_STAT_RES={0x8}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x2}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x5}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000001}, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x2c}}, 0x0) 11:18:27 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x28}}, 0x0) [ 555.049467] nbd: must specify a size in bytes for the device [ 555.067964] nbd: must specify a size in bytes for the device [ 555.076095] nbd: must specify a size in bytes for the device 11:18:27 executing program 0: sendmsg$TIPC_CMD_SHOW_NAME_TABLE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x30, 0x0, 0x300, 0x70bd28, 0x25dfdbfb, {{}, {}, {0x14, 0x19, {0xffffffff, 0x34, 0xfffffffe, 0x1}}}, ["", "", "", "", "", "", ""]}, 0x30}}, 0x800) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000003c0)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="00030000000000000000010000000c000780080001005f9ec6b3b00afaabf523e4ca1ea5783658ee5461d2b345c1c084051424a0fd99cf21a4cf6138761a0fe88580cea094a8cf8d54c3f40e3898624a218095cc116dd3c0fe826f7ea5bfd1ac6f9989310c589f87a7cc27ebc93e94d912b2e2c08610c58fb6dbdf78cb7a705213737709267e5f424508d7093d430cf996d8f310ff540fe8bd4b35ee8d117e34ed850c5866566157c20e80ef1cd747aeb0b82e2e8d8743a4f8963320fcef2f08bcd4c87e1d6f0191d2f0ae5b33c63b00"/219, @ANYRES32=r3, @ANYBLOB], 0x20}, 0x1, 0x0, 0x0, 0x401}, 0x20000800) 11:18:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$RDMA_NLDEV_CMD_STAT_SET(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x50, 0x1410, 0x10, 0x70bd29, 0x25dfdbff, "", [@RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x2}, @RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x4}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK={0x8, 0x4c, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_STAT_RES={0x8}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x2}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x5}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000001}, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$RDMA_NLDEV_CMD_STAT_SET(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x50, 0x1410, 0x10, 0x70bd29, 0x25dfdbff, "", [@RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x2}, @RDMA_NLDEV_ATTR_STAT_COUNTER_ID={0x8, 0x4f, 0x4}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK={0x8, 0x4c, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_STAT_RES={0x8}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x2}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x5}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000001}, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 11:18:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x2c}}, 0x0) [ 555.126389] nbd: must specify a size in bytes for the device [ 555.135861] nbd: must specify a size in bytes for the device 11:18:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x2c}}, 0x0) [ 555.188828] nbd: must specify a size in bytes for the device [ 555.203696] nbd: must specify a size in bytes for the device 11:18:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) [ 555.230530] nbd: must specify a size in bytes for the device 11:18:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 11:18:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x28}}, 0x0) 11:18:27 executing program 0: sendmsg$TIPC_CMD_SHOW_NAME_TABLE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x30, 0x0, 0x300, 0x70bd28, 0x25dfdbfb, {{}, {}, {0x14, 0x19, {0xffffffff, 0x34, 0xfffffffe, 0x1}}}, ["", "", "", "", "", "", ""]}, 0x30}}, 0x800) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000003c0)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="00030000000000000000010000000c000780080001005f9ec6b3b00afaabf523e4ca1ea5783658ee5461d2b345c1c084051424a0fd99cf21a4cf6138761a0fe88580cea094a8cf8d54c3f40e3898624a218095cc116dd3c0fe826f7ea5bfd1ac6f9989310c589f87a7cc27ebc93e94d912b2e2c08610c58fb6dbdf78cb7a705213737709267e5f424508d7093d430cf996d8f310ff540fe8bd4b35ee8d117e34ed850c5866566157c20e80ef1cd747aeb0b82e2e8d8743a4f8963320fcef2f08bcd4c87e1d6f0191d2f0ae5b33c63b00"/219, @ANYRES32=r3, @ANYBLOB], 0x20}, 0x1, 0x0, 0x0, 0x401}, 0x20000800) 11:18:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r10 = bpf$ITER_CREATE(0x21, &(0x7f00000000c0), 0x8) socketpair(0x22, 0x2, 0x8, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040), 0xc, &(0x7f0000000140)={&(0x7f00000002c0)={0x98, r6, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6aff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xd}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r11}]}]}, 0x98}, 0x1, 0x0, 0x0, 0x2000000}, 0x4001) 11:18:27 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x2c}}, 0x0) [ 555.338443] nbd: must specify a size in bytes for the device 11:18:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x28}}, 0x0) 11:18:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x28}}, 0x0) 11:18:27 executing program 0: sendmsg$TIPC_CMD_SHOW_NAME_TABLE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x30, 0x0, 0x300, 0x70bd28, 0x25dfdbfb, {{}, {}, {0x14, 0x19, {0xffffffff, 0x34, 0xfffffffe, 0x1}}}, ["", "", "", "", "", "", ""]}, 0x30}}, 0x800) (async, rerun: 64) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000003c0)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="00030000000000000000010000000c000780080001005f9ec6b3b00afaabf523e4ca1ea5783658ee5461d2b345c1c084051424a0fd99cf21a4cf6138761a0fe88580cea094a8cf8d54c3f40e3898624a218095cc116dd3c0fe826f7ea5bfd1ac6f9989310c589f87a7cc27ebc93e94d912b2e2c08610c58fb6dbdf78cb7a705213737709267e5f424508d7093d430cf996d8f310ff540fe8bd4b35ee8d117e34ed850c5866566157c20e80ef1cd747aeb0b82e2e8d8743a4f8963320fcef2f08bcd4c87e1d6f0191d2f0ae5b33c63b00"/219, @ANYRES32=r3, @ANYBLOB], 0x20}, 0x1, 0x0, 0x0, 0x401}, 0x20000800) 11:18:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x28, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x28}}, 0x0) 11:18:27 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$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) [ 555.477361] nbd: must specify a size in bytes for the device 11:18:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x2c}}, 0x0) 11:18:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) (async) r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r8) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r10 = bpf$ITER_CREATE(0x21, &(0x7f00000000c0), 0x8) (async) socketpair(0x22, 0x2, 0x8, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040), 0xc, &(0x7f0000000140)={&(0x7f00000002c0)={0x98, r6, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6aff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xd}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r11}]}]}, 0x98}, 0x1, 0x0, 0x0, 0x2000000}, 0x4001) 11:18:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) [ 555.535588] nbd: must specify a size in bytes for the device [ 555.569731] nbd: must specify a size in bytes for the device 11:18:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x34}}, 0x0) 11:18:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x2c}}, 0x0) 11:18:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) 11:18:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="05000000000001008efd4631c1cc00002c000300af71f4f0a89b"], 0x20}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r7) r10 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r10) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f00000003c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r9, 0x5, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xffffffffffffff07, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}]}]}, 0x38}}, 0x0) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r13 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r13) sendmsg$NBD_CMD_RECONFIGURE(r11, &(0x7f0000000540)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x80000800}, 0xc, &(0x7f0000000500)={&(0x7f0000000480)={0x6c, r12, 0x20, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r13}, {0x8, 0x1, r10}, {0x8, 0x1, r10}, {0x8, 0x1, r10}, {0x8, 0x1, r10}, {0x8, 0x1, r10}, {0x8, 0x1, r10}, {0x8, 0x1, r10}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '*\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x6c}, 0x1, 0x0, 0x0, 0x20008080}, 0x6c845) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000380)={&(0x7f00000002c0), 0xc, &(0x7f0000000340)={&(0x7f0000000300)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r9, @ANYBLOB="02002dbd7000fedbdf25050000000c00060000000027f28cbadbdc970600010000000000000008000a006e626400"], 0x34}, 0x1, 0x0, 0x0, 0x800}, 0x4c051) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000001c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="080026bd7000fbdbdf25050000000c000200020000000000000008000100000000000c000200ff0000000000000008000100000000000c0002000000000000000000838416c5ad73a94e69c256c3"], 0x48}, 0x1, 0x0, 0x0, 0x24000004}, 0x90) 11:18:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) 11:18:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)={0x18, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r7) r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r8) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r10 = bpf$ITER_CREATE(0x21, &(0x7f00000000c0), 0x8) (async) socketpair(0x22, 0x2, 0x8, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040), 0xc, &(0x7f0000000140)={&(0x7f00000002c0)={0x98, r6, 0x400, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6aff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xd}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffd}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r11}]}]}, 0x98}, 0x1, 0x0, 0x0, 0x2000000}, 0x4001) 11:18:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x34}}, 0x0) 11:18:27 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x34}}, 0x0) 11:18:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 11:18:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB='&\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) 11:18:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x0) 11:18:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x2c, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) 11:18:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB='&\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) [ 556.023209] nbd: must specify at least one socket 11:18:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="05000000000001008efd4631c1cc00002c000300af71f4f0a89b"], 0x20}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r7) (async) r10 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r10) (async) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f00000003c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r9, 0x5, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xffffffffffffff07, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}]}]}, 0x38}}, 0x0) (async) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r13 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r13) (async) sendmsg$NBD_CMD_RECONFIGURE(r11, &(0x7f0000000540)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x80000800}, 0xc, &(0x7f0000000500)={&(0x7f0000000480)={0x6c, r12, 0x20, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r13}, {0x8, 0x1, r10}, {0x8, 0x1, r10}, {0x8, 0x1, r10}, {0x8, 0x1, r10}, {0x8, 0x1, r10}, {0x8, 0x1, r10}, {0x8, 0x1, r10}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '*\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x6c}, 0x1, 0x0, 0x0, 0x20008080}, 0x6c845) (async) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000380)={&(0x7f00000002c0), 0xc, &(0x7f0000000340)={&(0x7f0000000300)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r9, @ANYBLOB="02002dbd7000fedbdf25050000000c00060000000027f28cbadbdc970600010000000000000008000a006e626400"], 0x34}, 0x1, 0x0, 0x0, 0x800}, 0x4c051) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000001c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="080026bd7000fbdbdf25050000000c000200020000000000000008000100000000000c000200ff0000000000000008000100000000000c0002000000000000000000838416c5ad73a94e69c256c3"], 0x48}, 0x1, 0x0, 0x0, 0x24000004}, 0x90) 11:18:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB='&\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB='&\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) (async) 11:18:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, 0x0, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}]}]}, 0x40}}, 0x0) 11:18:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x34, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x34}}, 0x0) 11:18:28 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$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="3336fa06", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, r4, 0x800, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x96}, @NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '#*&+{),'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24000080}, 0x20040004) 11:18:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="3336fa06", @ANYRES16=r2, @ANYBLOB="050000000000000000000100000004000780"], 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r5) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x7c, r4, 0x800, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x96}, @NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '#*&+{),'}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24000080}, 0x20040004) 11:18:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r4) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r5) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r7, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000300)={0x84, r7, 0x200, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x401}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x60}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/full\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x84}, 0x1, 0x0, 0x0, 0xc1}, 0x4000) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r8) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r10, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) r11 = openat$full(0xffffffffffffff9c, &(0x7f0000000080), 0xa021, 0x0) r12 = bpf$ITER_CREATE(0x21, &(0x7f00000000c0), 0x8) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x6c, r10, 0x8, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r11}, {0x8}, {0x8}, {0x8, 0x1, r12}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x525}]}, 0x6c}, 0x1, 0x0, 0x0, 0x24000000}, 0x4000000) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x1}, 0x0) 11:18:28 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 11:18:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x0) 11:18:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x0) 11:18:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000580), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="05000000000001008efd4631c1cc00002c000300af71f4f0a89b"], 0x20}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r7) (async) r10 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r10) (async) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f00000003c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r9, 0x5, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xffffffffffffff07, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}]}]}, 0x38}}, 0x0) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r12 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r13 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r13) (async) sendmsg$NBD_CMD_RECONFIGURE(r11, &(0x7f0000000540)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x80000800}, 0xc, &(0x7f0000000500)={&(0x7f0000000480)={0x6c, r12, 0x20, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r13}, {0x8, 0x1, r10}, {0x8, 0x1, r10}, {0x8, 0x1, r10}, {0x8, 0x1, r10}, {0x8, 0x1, r10}, {0x8, 0x1, r10}, {0x8, 0x1, r10}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '*\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x6c}, 0x1, 0x0, 0x0, 0x20008080}, 0x6c845) (async) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000380)={&(0x7f00000002c0), 0xc, &(0x7f0000000340)={&(0x7f0000000300)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r9, @ANYBLOB="02002dbd7000fedbdf25050000000c00060000000027f28cbadbdc970600010000000000000008000a006e626400"], 0x34}, 0x1, 0x0, 0x0, 0x800}, 0x4c051) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000001c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="080026bd7000fbdbdf25050000000c000200020000000000000008000100000000000c000200ff0000000000000008000100000000000c0002000000000000000000838416c5ad73a94e69c256c3"], 0x48}, 0x1, 0x0, 0x0, 0x24000004}, 0x90) 11:18:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x0) [ 556.503467] nbd: must specify a size in bytes for the device 11:18:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r4) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r5) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r7, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000300)={0x84, r7, 0x200, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x401}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x60}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/full\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x84}, 0x1, 0x0, 0x0, 0xc1}, 0x4000) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r8) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r10, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async) r11 = openat$full(0xffffffffffffff9c, &(0x7f0000000080), 0xa021, 0x0) r12 = bpf$ITER_CREATE(0x21, &(0x7f00000000c0), 0x8) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x6c, r10, 0x8, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r11}, {0x8}, {0x8}, {0x8, 0x1, r12}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x525}]}, 0x6c}, 0x1, 0x0, 0x0, 0x24000000}, 0x4000000) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x1}, 0x0) 11:18:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:28 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 11:18:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x38}}, 0x0) 11:18:28 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$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) 11:18:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:28 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$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair(0x1f, 0x80d, 0x2, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x70, 0x0, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, 'C'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}, 0x1, 0x0, 0x0, 0x20000000}, 0x9d7f2524a6856b3a) socket$nl_rdma(0x10, 0x3, 0x14) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 11:18:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) [ 556.853411] nbd: must specify a size in bytes for the device 11:18:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r4) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r5) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r7, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000300)={0x84, r7, 0x200, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x401}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x60}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/full\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x84}, 0x1, 0x0, 0x0, 0xc1}, 0x4000) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r8) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r10, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) r11 = openat$full(0xffffffffffffff9c, &(0x7f0000000080), 0xa021, 0x0) r12 = bpf$ITER_CREATE(0x21, &(0x7f00000000c0), 0x8) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x6c, r10, 0x8, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r11}, {0x8}, {0x8}, {0x8, 0x1, r12}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x525}]}, 0x6c}, 0x1, 0x0, 0x0, 0x24000000}, 0x4000000) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x1}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r5) (async) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r7, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000300)={0x84, r7, 0x200, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x401}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x60}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/full\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x84}, 0x1, 0x0, 0x0, 0xc1}, 0x4000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r8) (async) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r10, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async) openat$full(0xffffffffffffff9c, &(0x7f0000000080), 0xa021, 0x0) (async) bpf$ITER_CREATE(0x21, &(0x7f00000000c0), 0x8) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x6c, r10, 0x8, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r11}, {0x8}, {0x8}, {0x8, 0x1, r12}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7fff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x525}]}, 0x6c}, 0x1, 0x0, 0x0, 0x24000000}, 0x4000000) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x1}, 0x0) (async) 11:18:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x38, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) 11:18:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SIOCX25GCAUSEDIAG(0xffffffffffffffff, 0x89e6, &(0x7f0000000140)={0x5, 0x9}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x44, r2, 0x400, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9a}]}, 0x44}, 0x1, 0x0, 0x0, 0x800}, 0x40) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) (async) socketpair(0x1f, 0x80d, 0x2, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x70, 0x0, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, 'C'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}, 0x1, 0x0, 0x0, 0x20000000}, 0x9d7f2524a6856b3a) socket$nl_rdma(0x10, 0x3, 0x14) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:29 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_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair(0x1f, 0x80d, 0x2, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x70, 0x0, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, 'C'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}, 0x1, 0x0, 0x0, 0x20000000}, 0x9d7f2524a6856b3a) socket$nl_rdma(0x10, 0x3, 0x14) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x14, r2, 0x8}, 0x14}}, 0x400c885) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x3c, r4, 0x8, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x800}]}, 0x3c}, 0x1, 0x0, 0x0, 0x800}, 0x48080) [ 557.103395] nbd: must specify a size in bytes for the device 11:18:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x0) 11:18:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x14, r2, 0x8}, 0x14}}, 0x400c885) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x3c, r4, 0x8, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x800}]}, 0x3c}, 0x1, 0x0, 0x0, 0x800}, 0x48080) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x14, r2, 0x8}, 0x14}}, 0x400c885) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x3c, r4, 0x8, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x800}]}, 0x3c}, 0x1, 0x0, 0x0, 0x800}, 0x48080) (async) 11:18:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x14, r2, 0x8}, 0x14}}, 0x400c885) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x3c, r4, 0x8, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x800}]}, 0x3c}, 0x1, 0x0, 0x0, 0x800}, 0x48080) 11:18:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair(0x1f, 0x80d, 0x2, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x70, 0x0, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, 'C'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}, 0x1, 0x0, 0x0, 0x20000000}, 0x9d7f2524a6856b3a) socket$nl_rdma(0x10, 0x3, 0x14) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x14, r2, 0x8}, 0x14}}, 0x400c885) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x3c, r4, 0x8, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x800}]}, 0x3c}, 0x1, 0x0, 0x0, 0x800}, 0x48080) [ 557.233428] nbd: must specify a size in bytes for the device [ 557.240496] nbd: must specify a size in bytes for the device [ 557.253738] nbd: must specify a size in bytes for the device 11:18:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) (async) socketpair(0x1f, 0x80d, 0x2, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x70, 0x0, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, 'C'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}, 0x1, 0x0, 0x0, 0x20000000}, 0x9d7f2524a6856b3a) socket$nl_rdma(0x10, 0x3, 0x14) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:29 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r6, 0x4, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x40}, 0x1, 0x0, 0x0, 0x44040}, 0x20000080) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:29 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_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair(0x1f, 0x80d, 0x2, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x70, 0x0, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, 'C'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}, 0x1, 0x0, 0x0, 0x20000000}, 0x9d7f2524a6856b3a) socket$nl_rdma(0x10, 0x3, 0x14) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x75, r2, 0x5, 0x0, 0x3, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 557.348323] nbd: must specify a size in bytes for the device [ 557.380615] nbd: must specify a size in bytes for the device 11:18:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r6, 0x4, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x40}, 0x1, 0x0, 0x0, 0x44040}, 0x20000080) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) utimensat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x100) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x70bd2a, 0x2000000, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 557.440013] nla_parse: 114 callbacks suppressed [ 557.440023] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 557.471189] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 11:18:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair(0x1f, 0x80d, 0x2, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x70, 0x0, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, 'C'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}, 0x1, 0x0, 0x0, 0x20000000}, 0x9d7f2524a6856b3a) socket$nl_rdma(0x10, 0x3, 0x14) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) 11:18:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x75, r2, 0x5, 0x0, 0x3, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) utimensat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x100) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x70bd2a, 0x2000000, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 557.515332] nbd: must specify a size in bytes for the device [ 557.548474] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 11:18:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) utimensat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x100) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x70bd2a, 0x2000000, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x75, r2, 0x5, 0x0, 0x3, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:29 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair(0x1f, 0x80d, 0x2, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x70, 0x0, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8, 0x1, r3}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, 'C'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}, 0x1, 0x0, 0x0, 0x20000000}, 0x9d7f2524a6856b3a) socket$nl_rdma(0x10, 0x3, 0x14) [ 557.625957] nbd: must specify a size in bytes for the device [ 557.643646] nbd: must specify a size in bytes for the device 11:18:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) utimensat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x100) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x70bd2a, 0x2000000, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:29 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) [ 557.678532] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 11:18:29 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair(0x1f, 0x80d, 0x2, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x70, 0x0, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8, 0x1, r3}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, 'C'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}, 0x1, 0x0, 0x0, 0x20000000}, 0x9d7f2524a6856b3a) 11:18:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r2, 0x400, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x20}, 0x1, 0x0, 0x0, 0x4040000}, 0x80) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) sendmsg$RDMA_NLDEV_CMD_STAT_SET(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x20, 0x1410, 0x20, 0x70bd29, 0x25dfdbff, "", [@RDMA_NLDEV_ATTR_STAT_RES={0x8}, @RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK={0x8, 0x4c, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x4001}, 0x8000) [ 557.793190] nbd: must specify a size in bytes for the device [ 557.799989] nbd: must specify a size in bytes for the device [ 557.830642] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 11:18:29 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) socketpair(0x1f, 0x80d, 0x2, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x70, 0x0, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8, 0x1, r3}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, 'C'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}, 0x1, 0x0, 0x0, 0x20000000}, 0x9d7f2524a6856b3a) socket$nl_rdma(0x10, 0x3, 0x14) 11:18:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) utimensat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x100) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x70bd2a, 0x2000000, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:29 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) socketpair(0x1f, 0x80d, 0x2, &(0x7f0000000080)) [ 557.868126] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 11:18:29 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r0) socketpair(0x1f, 0x80d, 0x2, &(0x7f0000000080)) 11:18:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r2, 0x400, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x20}, 0x1, 0x0, 0x0, 0x4040000}, 0x80) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) sendmsg$RDMA_NLDEV_CMD_STAT_SET(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x20, 0x1410, 0x20, 0x70bd29, 0x25dfdbff, "", [@RDMA_NLDEV_ATTR_STAT_RES={0x8}, @RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK={0x8, 0x4c, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x4001}, 0x8000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r2, 0x400, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x20}, 0x1, 0x0, 0x0, 0x4040000}, 0x80) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) sendmsg$RDMA_NLDEV_CMD_STAT_SET(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x20, 0x1410, 0x20, 0x70bd29, 0x25dfdbff, "", [@RDMA_NLDEV_ATTR_STAT_RES={0x8}, @RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK={0x8, 0x4c, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x4001}, 0x8000) (async) [ 557.921067] nbd: must specify a size in bytes for the device 11:18:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:29 executing program 2: r0 = syz_init_net_socket$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$nbd(&(0x7f0000000180), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) socketpair(0x6, 0x3, 0x8f28, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$ETHTOOL_MSG_RINGS_GET(r4, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)={0x108, 0x0, 0x2, 0x70bd29, 0x25dfdbfd, {}, [@HEADER={0x7c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netpci0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}]}, @HEADER={0x78, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6gre0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'rose0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}]}]}, 0x108}, 0x1, 0x0, 0x0, 0x4000080}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000080)={0x28, r2, 0x5, 0x70bd2b, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r5}]}]}, 0x28}}, 0x0) 11:18:29 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:29 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) socketpair(0x1f, 0x80d, 0x2, &(0x7f0000000080)) [ 558.024782] nbd: must specify a size in bytes for the device 11:18:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) utimensat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x100) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x70bd2a, 0x2000000, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 558.065785] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 558.079712] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 11:18:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) (async, rerun: 64) socketpair(0x6, 0x3, 0x8f28, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) (rerun: 64) sendmsg$ETHTOOL_MSG_RINGS_GET(r4, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)={0x108, 0x0, 0x2, 0x70bd29, 0x25dfdbfd, {}, [@HEADER={0x7c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netpci0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}]}, @HEADER={0x78, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6gre0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'rose0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}]}]}, 0x108}, 0x1, 0x0, 0x0, 0x4000080}, 0x20000000) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000080)={0x28, r2, 0x5, 0x70bd2b, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r5}]}]}, 0x28}}, 0x0) 11:18:30 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair(0x1f, 0x80d, 0x2, &(0x7f0000000080)) 11:18:30 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) [ 558.140203] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 558.186575] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 11:18:30 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair(0x1f, 0x80d, 0x2, &(0x7f0000000080)) 11:18:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) utimensat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x100) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) 11:18:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r2, 0x400, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x20}, 0x1, 0x0, 0x0, 0x4040000}, 0x80) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) sendmsg$RDMA_NLDEV_CMD_STAT_SET(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x20, 0x1410, 0x20, 0x70bd29, 0x25dfdbff, "", [@RDMA_NLDEV_ATTR_STAT_RES={0x8}, @RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK={0x8, 0x4c, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x4001}, 0x8000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r2, 0x400, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x20}, 0x1, 0x0, 0x0, 0x4040000}, 0x80) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) sendmsg$RDMA_NLDEV_CMD_STAT_SET(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x20, 0x1410, 0x20, 0x70bd29, 0x25dfdbff, "", [@RDMA_NLDEV_ATTR_STAT_RES={0x8}, @RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK={0x8, 0x4c, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x4001}, 0x8000) (async) [ 558.253296] nbd: must specify a size in bytes for the device 11:18:30 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair(0x1f, 0x80d, 0x2, &(0x7f0000000080)) 11:18:30 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) utimensat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x100) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 11:18:30 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(&(0x7f0000000180), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) socketpair(0x6, 0x3, 0x8f28, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$ETHTOOL_MSG_RINGS_GET(r4, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)={0x108, 0x0, 0x2, 0x70bd29, 0x25dfdbfd, {}, [@HEADER={0x7c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netpci0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}]}, @HEADER={0x78, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6gre0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'rose0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}]}]}, 0x108}, 0x1, 0x0, 0x0, 0x4000080}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000080)={0x28, r2, 0x5, 0x70bd2b, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r5}]}]}, 0x28}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) socketpair(0x6, 0x3, 0x8f28, &(0x7f0000000040)) (async) sendmsg$ETHTOOL_MSG_RINGS_GET(r4, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)={0x108, 0x0, 0x2, 0x70bd29, 0x25dfdbfd, {}, [@HEADER={0x7c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netpci0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8}]}, @HEADER={0x78, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6gre0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'rose0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}]}]}, 0x108}, 0x1, 0x0, 0x0, 0x4000080}, 0x20000000) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000080)={0x28, r2, 0x5, 0x70bd2b, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r5}]}]}, 0x28}}, 0x0) (async) 11:18:30 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:30 executing program 5: syz_init_net_socket$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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:30 executing program 4: socketpair(0x1f, 0x80d, 0x2, &(0x7f0000000080)) [ 558.378546] nbd: must specify a size in bytes for the device 11:18:30 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) utimensat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x100) 11:18:30 executing program 4: socketpair(0x0, 0x80d, 0x2, &(0x7f0000000080)) 11:18:30 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="050000000600000000000000000004000780"], 0x18}}, 0x0) 11:18:30 executing program 3: utimensat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x100) [ 558.493059] nbd: must specify a size in bytes for the device [ 558.503656] nbd: must specify a size in bytes for the device 11:18:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, 0x0, 0x2, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x8e4) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x895}, 0x0) 11:18:30 executing program 4: socketpair(0x0, 0x0, 0x2, &(0x7f0000000080)) 11:18:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}]}]}, 0x40}}, 0x0) 11:18:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="050000000600000000000000000004000780"], 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="050000000600000000000000000004000780"], 0x18}}, 0x0) (async) 11:18:30 executing program 3: utimensat(0xffffffffffffff9c, 0x0, &(0x7f0000000040), 0x100) 11:18:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="000100e80c0c000780000000ffff00000000"], 0x18}}, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz0\x00', 0x200002, 0x0) 11:18:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, 0x0, 0x2, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x8e4) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x895}, 0x0) 11:18:30 executing program 4: socketpair(0x0, 0x0, 0x2, &(0x7f0000000080)) [ 558.617140] nbd: must specify a size in bytes for the device 11:18:30 executing program 3: utimensat(0xffffffffffffff9c, 0x0, &(0x7f0000000040), 0x100) 11:18:30 executing program 5: utimensat(0xffffffffffffff9c, 0x0, &(0x7f0000000040), 0x100) 11:18:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="050000000600000000000000000004000780"], 0x18}}, 0x0) 11:18:30 executing program 5: utimensat(0xffffffffffffff9c, 0x0, &(0x7f0000000040), 0x100) 11:18:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}]}]}, 0x40}}, 0x0) 11:18:30 executing program 4: socketpair(0x0, 0x0, 0x2, &(0x7f0000000080)) 11:18:30 executing program 3: utimensat(0xffffffffffffff9c, 0x0, &(0x7f0000000040), 0x100) 11:18:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, 0x0, 0x2, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x2c}}, 0x8e4) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r3, 0x5, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x895}, 0x0) 11:18:30 executing program 3: utimensat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0, 0x100) 11:18:30 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$nbd(&(0x7f0000000180), r0) r3 = bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x74, r2, 0x0, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1f}]}, 0x74}, 0x1, 0x0, 0x0, 0x4000}, 0x1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="050000000000000000000100800004fc0780"], 0x18}}, 0x0) 11:18:30 executing program 5: utimensat(0xffffffffffffff9c, 0x0, &(0x7f0000000040), 0x100) 11:18:30 executing program 4: socketpair(0x0, 0x80d, 0x0, &(0x7f0000000080)) 11:18:30 executing program 3: utimensat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0, 0x0) 11:18:30 executing program 4: socketpair(0x0, 0x80d, 0x0, 0x0) 11:18:30 executing program 5: utimensat(0xffffffffffffff9c, 0x0, 0x0, 0x100) 11:18:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, r6, 0x200, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4c000}, 0x81) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x74, r2, 0x0, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1f}]}, 0x74}, 0x1, 0x0, 0x0, 0x4000}, 0x1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="050000000000000000000100800004fc0780"], 0x18}}, 0x0) 11:18:30 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$nbd(&(0x7f0000000180), r0) r3 = bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x74, r2, 0x0, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1f}]}, 0x74}, 0x1, 0x0, 0x0, 0x4000}, 0x1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="050000000000000000000100800004fc0780"], 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x74, r2, 0x0, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1f}]}, 0x74}, 0x1, 0x0, 0x0, 0x4000}, 0x1) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="050000000000000000000100800004fc0780"], 0x18}}, 0x0) (async) [ 558.985397] nbd: must specify a size in bytes for the device [ 558.993748] nbd: must specify at least one socket 11:18:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:30 executing program 4: socketpair(0x0, 0x80d, 0x0, 0x0) 11:18:31 executing program 5: utimensat(0xffffffffffffff9c, 0x0, 0x0, 0x0) 11:18:31 executing program 4: socketpair(0x0, 0x80d, 0x0, 0x0) 11:18:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, r6, 0x200, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4c000}, 0x81) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, r6, 0x200, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4c000}, 0x81) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) 11:18:31 executing program 4: socketpair(0x0, 0x80d, 0x0, 0x0) [ 559.126879] nbd: must specify at least one socket [ 559.136148] nbd: must specify a size in bytes for the device 11:18:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, r6, 0x200, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4c000}, 0x81) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:31 executing program 4: utimensat(0xffffffffffffff9c, 0x0, 0x0, 0x100) 11:18:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x0) 11:18:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = bpf$ITER_CREATE(0x21, &(0x7f0000000040), 0x8) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x74, r2, 0x0, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1f}]}, 0x74}, 0x1, 0x0, 0x0, 0x4000}, 0x1) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="050000000000000000000100800004fc0780"], 0x18}}, 0x0) [ 559.221244] nbd: must specify at least one socket [ 559.226172] nbd: must specify at least one socket 11:18:31 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) 11:18:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}]}, 0x40}}, 0x0) 11:18:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, r6, 0x200, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4c000}, 0x81) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, r6, 0x200, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4c000}, 0x81) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) [ 559.308420] nbd: must specify a size in bytes for the device 11:18:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r3, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}]}]}, 0x40}}, 0x0) 11:18:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000000)='/proc/asound/card0/oss_mixer\x00', 0x400800, 0x0) read$proc_mixer(r1, &(0x7f0000000280)=""/112, 0x70) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = socket$phonet(0x23, 0x2, 0x1) r3 = syz_genetlink_get_family_id$tipc(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$TIPC_CMD_SHOW_LINK_STATS(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000300)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000826bd7000fcdbdf2501000000000000000b000000000c001473797a3100000000ed4621258512631cf5"], 0x28}, 0x1, 0x0, 0x0, 0x4800}, 0x4004004) ioctl$SIOCPNGETOBJECT(r2, 0x89e0, &(0x7f00000009c0)) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000340)=ANY=[@ANYBLOB="ea4ed366a24c2d8155100a8ebf25438bc01e577304ff8b7604a918f5c9987a4677b9a939ff837f5c0b6d6185d34858c299414ca43c651c1f9d2b463547aa1d82d0628541fde7f381b1d6b05ed0bd2000d1705446", @ANYRES64=0x0, @ANYBLOB="58000034f6a9a15b8fdc00000000000000000000000000565bd17fc2aae6b09d168f145de16c0daecd37b8f6300a517bba041e99f10ad36386307e01b7a2af07eed9fc960b"], 0x18}, 0x1, 0x0, 0x0, 0x80}, 0x8000) [ 559.385031] nbd: must specify at least one socket 11:18:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r5, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}]}, 0x40}}, 0x0) [ 559.473123] nbd: must specify a size in bytes for the device [ 559.479112] nbd: must specify a size in bytes for the device 11:18:31 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$nbd(&(0x7f0000000180), r0) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}]}, 0x40}}, 0x0) [ 559.537112] nbd: must specify a size in bytes for the device 11:18:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000000)='/proc/asound/card0/oss_mixer\x00', 0x400800, 0x0) read$proc_mixer(r1, &(0x7f0000000280)=""/112, 0x70) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = socket$phonet(0x23, 0x2, 0x1) r3 = syz_genetlink_get_family_id$tipc(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$TIPC_CMD_SHOW_LINK_STATS(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000300)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000826bd7000fcdbdf2501000000000000000b000000000c001473797a3100000000ed4621258512631cf5"], 0x28}, 0x1, 0x0, 0x0, 0x4800}, 0x4004004) ioctl$SIOCPNGETOBJECT(r2, 0x89e0, &(0x7f00000009c0)) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r4) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000340)=ANY=[@ANYBLOB="ea4ed366a24c2d8155100a8ebf25438bc01e577304ff8b7604a918f5c9987a4677b9a939ff837f5c0b6d6185d34858c299414ca43c651c1f9d2b463547aa1d82d0628541fde7f381b1d6b05ed0bd2000d1705446", @ANYRES64=0x0, @ANYBLOB="58000034f6a9a15b8fdc00000000000000000000000000565bd17fc2aae6b09d168f145de16c0daecd37b8f6300a517bba041e99f10ad36386307e01b7a2af07eed9fc960b"], 0x18}, 0x1, 0x0, 0x0, 0x80}, 0x8000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000000)='/proc/asound/card0/oss_mixer\x00', 0x400800, 0x0) (async) read$proc_mixer(r1, &(0x7f0000000280)=""/112, 0x70) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) socket$phonet(0x23, 0x2, 0x1) (async) syz_genetlink_get_family_id$tipc(&(0x7f0000000100), 0xffffffffffffffff) (async) sendmsg$TIPC_CMD_SHOW_LINK_STATS(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000300)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000826bd7000fcdbdf2501000000000000000b000000000c001473797a3100000000ed4621258512631cf5"], 0x28}, 0x1, 0x0, 0x0, 0x4800}, 0x4004004) (async) ioctl$SIOCPNGETOBJECT(r2, 0x89e0, &(0x7f00000009c0)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r4) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000340)=ANY=[@ANYBLOB="ea4ed366a24c2d8155100a8ebf25438bc01e577304ff8b7604a918f5c9987a4677b9a939ff837f5c0b6d6185d34858c299414ca43c651c1f9d2b463547aa1d82d0628541fde7f381b1d6b05ed0bd2000d1705446", @ANYRES64=0x0, @ANYBLOB="58000034f6a9a15b8fdc00000000000000000000000000565bd17fc2aae6b09d168f145de16c0daecd37b8f6300a517bba041e99f10ad36386307e01b7a2af07eed9fc960b"], 0x18}, 0x1, 0x0, 0x0, 0x80}, 0x8000) (async) 11:18:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, r6, 0x20, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa3c}]}, 0x28}, 0x1, 0x0, 0x0, 0x11}, 0x10) 11:18:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_open_dev$sndctrl(&(0x7f0000000000), 0x8, 0x8001) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)={0x98, 0x0, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xa54}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '*:--}\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x98}, 0x1, 0x0, 0x0, 0x80080}, 0x20000080) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) 11:18:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_open_dev$sndctrl(&(0x7f0000000000), 0x8, 0x8001) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)={0x98, 0x0, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xa54}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '*:--}\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x98}, 0x1, 0x0, 0x0, 0x80080}, 0x20000080) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 559.585271] nbd: must specify a size in bytes for the device 11:18:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_open_dev$sndctrl(&(0x7f0000000000), 0x8, 0x8001) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r2) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f00000002c0)={0x98, 0x0, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xa54}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '*:--}\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x98}, 0x1, 0x0, 0x0, 0x80080}, 0x20000080) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) [ 559.724846] nbd: must specify a size in bytes for the device [ 559.733429] nbd: must specify a size in bytes for the device 11:18:31 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$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000040)={0x40, r4, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}]}, 0x40}}, 0x0) 11:18:31 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000000)='/proc/asound/card0/oss_mixer\x00', 0x400800, 0x0) read$proc_mixer(r1, &(0x7f0000000280)=""/112, 0x70) (async, rerun: 64) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) r2 = socket$phonet(0x23, 0x2, 0x1) r3 = syz_genetlink_get_family_id$tipc(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$TIPC_CMD_SHOW_LINK_STATS(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000300)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000826bd7000fcdbdf2501000000000000000b000000000c001473797a3100000000ed4621258512631cf5"], 0x28}, 0x1, 0x0, 0x0, 0x4800}, 0x4004004) (async, rerun: 32) ioctl$SIOCPNGETOBJECT(r2, 0x89e0, &(0x7f00000009c0)) (async, rerun: 32) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r4) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000340)=ANY=[@ANYBLOB="ea4ed366a24c2d8155100a8ebf25438bc01e577304ff8b7604a918f5c9987a4677b9a939ff837f5c0b6d6185d34858c299414ca43c651c1f9d2b463547aa1d82d0628541fde7f381b1d6b05ed0bd2000d1705446", @ANYRES64=0x0, @ANYBLOB="58000034f6a9a15b8fdc00000000000000000000000000565bd17fc2aae6b09d168f145de16c0daecd37b8f6300a517bba041e99f10ad36386307e01b7a2af07eed9fc960b"], 0x18}, 0x1, 0x0, 0x0, 0x80}, 0x8000) (rerun: 32) 11:18:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x18, r2, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r4) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r6, 0x5, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, r6, 0x20, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa3c}]}, 0x28}, 0x1, 0x0, 0x0, 0x11}, 0x10) 11:18:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000200)={0x14, r2, 0x5}, 0x14}}, 0x48085) [ 559.813035] nbd: must specify a size in bytes for the device [ 559.865870] ================================================================== [ 559.873445] BUG: KASAN: use-after-free in refcount_dec_not_one+0x71/0x1d0 [ 559.880388] Read of size 4 at addr ffff8880a10cd418 by task syz-executor.4/17046 [ 559.887964] [ 559.889603] CPU: 1 PID: 17046 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0 [ 559.897483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 559.906836] Call Trace: [ 559.909440] dump_stack+0x1fc/0x2ef [ 559.913083] print_address_description.cold+0x54/0x219 [ 559.918382] kasan_report_error.cold+0x8a/0x1b9 [ 559.923075] ? refcount_dec_not_one+0x71/0x1d0 [ 559.927676] kasan_report+0x8f/0xa0 [ 559.931341] ? refcount_dec_not_one+0x71/0x1d0 [ 559.935972] refcount_dec_not_one+0x71/0x1d0 [ 559.940406] ? refcount_dec_and_test_checked+0x20/0x20 [ 559.945708] ? nbd_config_put+0x5da/0x870 [ 559.949906] refcount_dec_and_mutex_lock+0x1c/0x80 [ 559.954865] nbd_genl_connect+0x11ee/0x1630 [ 559.959212] ? nbd_xmit_timeout+0x730/0x730 [ 559.963562] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 559.968872] ? validate_nla+0x270/0x820 [ 559.972879] ? nla_parse+0x1b2/0x290 [ 559.976621] genl_family_rcv_msg+0x642/0xc40 [ 559.981055] ? genl_rcv+0x40/0x40 [ 559.984520] ? genl_rcv_msg+0x12f/0x160 [ 559.988690] ? mutex_trylock+0x1a0/0x1a0 [ 559.992790] ? __radix_tree_lookup+0x216/0x370 [ 559.997399] genl_rcv_msg+0xbf/0x160 [ 560.001131] netlink_rcv_skb+0x160/0x440 [ 560.005206] ? genl_family_rcv_msg+0xc40/0xc40 [ 560.009799] ? netlink_ack+0xae0/0xae0 [ 560.013699] ? genl_rcv+0x15/0x40 [ 560.017173] genl_rcv+0x24/0x40 [ 560.020468] netlink_unicast+0x4d5/0x690 [ 560.024552] ? netlink_sendskb+0x110/0x110 [ 560.028808] ? _copy_from_iter_full+0x229/0x7c0 [ 560.033498] ? __phys_addr_symbol+0x2c/0x70 [ 560.037846] ? __check_object_size+0x17b/0x3e0 [ 560.042462] netlink_sendmsg+0x6c3/0xc50 [ 560.046549] ? aa_af_perm+0x230/0x230 [ 560.050372] ? nlmsg_notify+0x1f0/0x1f0 [ 560.054459] ? kernel_recvmsg+0x220/0x220 [ 560.058641] ? nlmsg_notify+0x1f0/0x1f0 [ 560.062643] sock_sendmsg+0xc3/0x120 [ 560.066387] ___sys_sendmsg+0x7bb/0x8e0 [ 560.070529] ? copy_msghdr_from_user+0x440/0x440 [ 560.075311] ? __fget+0x32f/0x510 [ 560.078793] ? lock_downgrade+0x720/0x720 [ 560.082964] ? check_preemption_disabled+0x41/0x280 [ 560.087998] ? check_preemption_disabled+0x41/0x280 [ 560.093032] ? __fget+0x356/0x510 [ 560.096502] ? do_dup2+0x450/0x450 [ 560.100051] ? debug_object_active_state+0x254/0x330 [ 560.105171] ? __fdget+0x1d0/0x230 [ 560.108734] __x64_sys_sendmsg+0x132/0x220 [ 560.112980] ? __sys_sendmsg+0x1b0/0x1b0 [ 560.117056] ? __se_sys_futex+0x298/0x3b0 [ 560.121257] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 560.126645] ? trace_hardirqs_off_caller+0x6e/0x210 [ 560.131702] ? do_syscall_64+0x21/0x620 [ 560.135705] do_syscall_64+0xf9/0x620 [ 560.139620] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 560.144825] RIP: 0033:0x7f22789960d9 [ 560.148651] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 560.167562] RSP: 002b:00007f2276f08168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 560.175287] RAX: ffffffffffffffda RBX: 00007f2278ab5f80 RCX: 00007f22789960d9 [ 560.182570] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000005 [ 560.190024] RBP: 00007f22789f1ae9 R08: 0000000000000000 R09: 0000000000000000 [ 560.197303] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 560.204581] R13: 00007ffdb269e03f R14: 00007f2276f08300 R15: 0000000000022000 [ 560.211877] [ 560.213509] Allocated by task 17053: [ 560.217237] kmem_cache_alloc_trace+0x12f/0x380 [ 560.221927] nbd_dev_add+0x44/0x890 [ 560.225587] nbd_genl_connect+0x4cc/0x1630 [ 560.236703] genl_family_rcv_msg+0x642/0xc40 [ 560.241134] genl_rcv_msg+0xbf/0x160 [ 560.244872] netlink_rcv_skb+0x160/0x440 [ 560.248955] genl_rcv+0x24/0x40 [ 560.252254] netlink_unicast+0x4d5/0x690 [ 560.256338] netlink_sendmsg+0x6c3/0xc50 [ 560.260432] sock_sendmsg+0xc3/0x120 [ 560.264166] ___sys_sendmsg+0x7bb/0x8e0 [ 560.268160] __x64_sys_sendmsg+0x132/0x220 [ 560.272423] do_syscall_64+0xf9/0x620 [ 560.276249] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 560.281443] [ 560.283074] Freed by task 17046: [ 560.286454] kfree+0xcc/0x210 [ 560.289569] nbd_put.part.0+0xfe/0x140 [ 560.293459] nbd_config_put+0x6a0/0x870 [ 560.297438] nbd_genl_connect+0x11bb/0x1630 [ 560.301765] genl_family_rcv_msg+0x642/0xc40 [ 560.306176] genl_rcv_msg+0xbf/0x160 [ 560.309890] netlink_rcv_skb+0x160/0x440 [ 560.313936] genl_rcv+0x24/0x40 [ 560.317206] netlink_unicast+0x4d5/0x690 [ 560.321288] netlink_sendmsg+0x6c3/0xc50 [ 560.325358] sock_sendmsg+0xc3/0x120 [ 560.329068] ___sys_sendmsg+0x7bb/0x8e0 [ 560.333039] __x64_sys_sendmsg+0x132/0x220 [ 560.337264] do_syscall_64+0xf9/0x620 [ 560.341057] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 560.346341] [ 560.347976] The buggy address belongs to the object at ffff8880a10cd340 [ 560.347976] which belongs to the cache kmalloc-512 of size 512 [ 560.360639] The buggy address is located 216 bytes inside of [ 560.360639] 512-byte region [ffff8880a10cd340, ffff8880a10cd540) [ 560.372501] The buggy address belongs to the page: [ 560.377542] page:ffffea0002843340 count:1 mapcount:0 mapping:ffff88813bff0940 index:0xffff8880a10cd840 [ 560.386978] flags: 0xfff00000000100(slab) [ 560.391115] raw: 00fff00000000100 ffffea0002968c48 ffffea0002a53148 ffff88813bff0940 [ 560.398997] raw: ffff8880a10cd840 ffff8880a10cd0c0 0000000100000005 0000000000000000 [ 560.406864] page dumped because: kasan: bad access detected [ 560.412554] [ 560.414160] Memory state around the buggy address: [ 560.419074] ffff8880a10cd300: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 560.426425] ffff8880a10cd380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 560.433803] >ffff8880a10cd400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 560.441177] ^ [ 560.445322] ffff8880a10cd480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 560.452682] ffff8880a10cd500: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 560.460028] ================================================================== [ 560.467810] Disabling lock debugging due to kernel taint [ 560.499029] Kernel panic - not syncing: panic_on_warn set ... [ 560.499029] [ 560.507396] CPU: 1 PID: 17046 Comm: syz-executor.4 Tainted: G B 4.19.211-syzkaller #0 [ 560.516753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 560.526369] Call Trace: [ 560.529061] dump_stack+0x1fc/0x2ef [ 560.532887] panic+0x26a/0x50e [ 560.536097] ? __warn_printk+0xf3/0xf3 [ 560.539999] ? preempt_schedule_common+0x45/0xc0 [ 560.544866] ? ___preempt_schedule+0x16/0x18 [ 560.549282] ? trace_hardirqs_on+0x55/0x210 [ 560.553716] kasan_end_report+0x43/0x49 [ 560.557694] kasan_report_error.cold+0xa7/0x1b9 [ 560.562380] ? refcount_dec_not_one+0x71/0x1d0 [ 560.566972] kasan_report+0x8f/0xa0 [ 560.570601] ? refcount_dec_not_one+0x71/0x1d0 [ 560.575186] refcount_dec_not_one+0x71/0x1d0 [ 560.579600] ? refcount_dec_and_test_checked+0x20/0x20 [ 560.586212] ? nbd_config_put+0x5da/0x870 [ 560.590445] refcount_dec_and_mutex_lock+0x1c/0x80 [ 560.595394] nbd_genl_connect+0x11ee/0x1630 [ 560.599703] ? nbd_xmit_timeout+0x730/0x730 [ 560.604017] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 560.609194] ? validate_nla+0x270/0x820 [ 560.613155] ? nla_parse+0x1b2/0x290 [ 560.616856] genl_family_rcv_msg+0x642/0xc40 [ 560.621264] ? genl_rcv+0x40/0x40 [ 560.624712] ? genl_rcv_msg+0x12f/0x160 [ 560.628675] ? mutex_trylock+0x1a0/0x1a0 [ 560.632730] ? __radix_tree_lookup+0x216/0x370 [ 560.637309] genl_rcv_msg+0xbf/0x160 [ 560.641038] netlink_rcv_skb+0x160/0x440 [ 560.645112] ? genl_family_rcv_msg+0xc40/0xc40 [ 560.649699] ? netlink_ack+0xae0/0xae0 [ 560.653607] ? genl_rcv+0x15/0x40 [ 560.657793] genl_rcv+0x24/0x40 [ 560.661184] netlink_unicast+0x4d5/0x690 [ 560.665347] ? netlink_sendskb+0x110/0x110 [ 560.669577] ? _copy_from_iter_full+0x229/0x7c0 [ 560.674331] ? __phys_addr_symbol+0x2c/0x70 [ 560.678664] ? __check_object_size+0x17b/0x3e0 [ 560.683343] netlink_sendmsg+0x6c3/0xc50 [ 560.687398] ? aa_af_perm+0x230/0x230 [ 560.691193] ? nlmsg_notify+0x1f0/0x1f0 [ 560.695156] ? kernel_recvmsg+0x220/0x220 [ 560.699310] ? nlmsg_notify+0x1f0/0x1f0 [ 560.703291] sock_sendmsg+0xc3/0x120 [ 560.706993] ___sys_sendmsg+0x7bb/0x8e0 [ 560.710962] ? copy_msghdr_from_user+0x440/0x440 [ 560.715710] ? __fget+0x32f/0x510 [ 560.719151] ? lock_downgrade+0x720/0x720 [ 560.723293] ? check_preemption_disabled+0x41/0x280 [ 560.728424] ? check_preemption_disabled+0x41/0x280 [ 560.733534] ? __fget+0x356/0x510 [ 560.736987] ? do_dup2+0x450/0x450 [ 560.740536] ? debug_object_active_state+0x254/0x330 [ 560.745719] ? __fdget+0x1d0/0x230 [ 560.749262] __x64_sys_sendmsg+0x132/0x220 [ 560.753508] ? __sys_sendmsg+0x1b0/0x1b0 [ 560.757557] ? __se_sys_futex+0x298/0x3b0 [ 560.761886] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 560.767269] ? trace_hardirqs_off_caller+0x6e/0x210 [ 560.772295] ? do_syscall_64+0x21/0x620 [ 560.776289] do_syscall_64+0xf9/0x620 [ 560.780219] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 560.785502] RIP: 0033:0x7f22789960d9 [ 560.789323] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 560.808385] RSP: 002b:00007f2276f08168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 560.816077] RAX: ffffffffffffffda RBX: 00007f2278ab5f80 RCX: 00007f22789960d9 [ 560.823331] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000005 [ 560.830594] RBP: 00007f22789f1ae9 R08: 0000000000000000 R09: 0000000000000000 [ 560.837857] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 560.845209] R13: 00007ffdb269e03f R14: 00007f2276f08300 R15: 0000000000022000 [ 560.852668] Kernel Offset: disabled [ 560.856379] Rebooting in 86400 seconds..